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2022-10-28

What Will Happen to The Competition Between Hydrogen-powered Vehicles and Compete with EV?

Hydrogen Powered Car to Compete with EV Market Unique Hydrogen Technology Developed over 7 years to Address Future Clean Green Automotive Industry with Complete New Direction in Protecting the Environment from Fossil Fuel Hydrocarbon Emissions TITR will be looking for strategic partners in 2023 for bringing this unique clean energy technology from the lab to marketable products. The production of hydrogen from a water source for PEM fuel cells. The prototype of the Thomas Hydrogen Gas Generator is now working for over 7 years with very little maintenance and will be designed to fit in the trunk of a car or truck. Major cost savings for families. Many new energy products are on the horizon. The only advanced hydrogen automotive system in the world that will produce 100% hydrogen H2 that can run 3 Kw PEM fuel cell and Up using water as a fuel source. Safe, Cheap, and No travel limits. 300 watts of 12-volt battery or car DC/DC converter to produce green clean hydrogen gas (THG) which is carbon neutral. TITR (Thomas Institute for Technology Research) has technology that will enable the SAFE manufacture and production of Thomas Hydrogen Gas (THG). Technology allows continuous THG production 24 x 7. TITR's invention is a unique gas production technology that will allow THG gas production from water in high volumes. Easy to manufacture THG gas with our technology
2022-10-24

Hydrogen Production From Water Electrolysis

Hydrogen Production - Hydrogen Production By Electrolysis Of Water As a clean and efficient secondary energy, hydrogen energy is of great significance for building a clean, low-carbon, safe and efficient energy system. Under the action of direct current, the water electrolysis hydrogen production technology decomposes water into pure hydrogen and pure oxygen. As an energy carrier, hydrogen can realize the recycling of carbon-free energy, and can efficiently utilize the fluctuating renewable energy power through the method of "electricity-hydrogen-electricity (or chemical raw materials)", which is both green and efficient. Hydrogen production from water electrolysis mainly includes three technical routes: alkaline electrolysis (AWE), proton exchange membrane (PEM) electrolysis, and solid oxide (SOEC) electrolysis. The technical route of hydrogen production from alkaline electrolysis water is mature, the equipment cost is low, and it is more economical. Hydrogen production by water electrolysis in alkaline liquid electrolyzers The alkaline liquid water electrolysis technology uses KOH and NaOH aqueous solutions as electrolytes, such as asbestos cloth as a diaphragm, and under the action of direct current, water is electrolyzed to generate hydrogen and oxygen. PEM water electrolyzer uses solid proton exchange membrane PEM as elec
2022-09-09

How to Prolong the Lifespan of Your Nitrogen Gas Generator

It's a well known saying that "Time is Money" and for laboratories this is especially true. Given the volume of specialist equipment needed to function, there is certainly plenty of opportunity for downtime to have an effect. What can I do to optimize my generator's performance? At KUNGPENG, we produce a range of laboratory nitrogen generators which are primarily used for LC-MS and GC applications. No matter what your laboratory analysis is, it is essential that your gas generator is working at full capacity to ensure maximum uptime for your lab. There are a number of ways that you can ensure your lab is working to the best of its ability: Maintain the room temperature below 35°C and the relative humidity below 80%. Ensure your nitrogen generator is in a dust-free room which is cleaned daily. Utilize atmospheric air; there should be a minimum air gap of 3 inches surrounding the generator. Don`t install the generator close to an air conditioning outlet as this can affect your generators performance. Drain tubing should be connected to a suitable transparent container which must be emptied regularly. The seal must not be air tight as water and air are expelled at pressure. Given how frequently a nitrogen generation system is used in laboratories though, even the best equipment
2022-09-08

How Nitrogen Gas Benefits the Food Packaging Industry?

In the following, we will help explain how on-site nitrogen can benefit the food packaging industry in maintaining freshness, food quality and integrity through this article. 1. The properties of nitrogen: Nitrogen is unique and its physical properties make it best suited for food processing. Nitrogen is inherently inert and does not react with food ingredients, maintaining aroma and flavor. It excels at effectively replacing other gases that cause oxidation or support microbial growth. 2. Approved for use in food packaging: Nitrogen is approved and used under good manufacturing practices. Nitrogen is considered a "Generally Recognized as Safe" GRAS gas. This means nitrogen flushing used in food packaging is safe for you. 3. Product shelf life increases: Bacteria need oxygen to thrive. Blowing food packaging with nitrogen removes oxygen, so mold, mildew or harmful bacteria cannot spoil the product once it leaves your facility. 4. Maintain food quality: Moisture can destroy food. Nitrogen is dry and it takes up the entire empty space inside the food packaging. This ensures t
2022-07-15

CRYOGENIC AIR SEPARATION PLANT INTERNAL COMPRESSION AND EXTERNAL COMPRESSION PROCESS BRIEF INTRODUCTION

INTERNAL COMPRESSION PROCESS LOX is pumped and vaporized in the cold box and send to user as GOX products. Such kind of process is especially used to meet the customer's large demand of liquid product and the requirement for the high pressure of oxygen and nitrogen products in the chemical industry. Technology of molecular sieve pre-purification, high/medium pressure Heat exchangers, structural packing upper column and full rectification argon recovery is used in the air separation unit with such process, which has got the features of stable reliable and safe operation, big output of liquid product, high pressure of oxygen and nitrogen products with different level as required. EXTERNAL COMPRESSION PROCESS A typical kind of process that the low-pressure oxygen is produced by the plant and then compressed by the oxygen turbo compressor to the required pressure as the oxygen product. Such kind of process is specially applied in the metallurgical industry for the requirements that oxygen pressure is ≤3.0Mpa (G) and the demand of liquid product is not much. The technology of molecular sieve pre-purification, full low-pressure Heat exchangers, expanded air to the upper column, structural packing upper column and full rectification argon recovery are used in such process, which has got the features of strong variable-load capability; stable and reliable running, flexible and convenient
2022-07-15

High-purity xenon and helium prices may continue to rise

According to the analysis of the SPECIAL GAS NETWORK, recently, the domestic noble gas market has performed well. Under the influence of the intensified contradiction between supply and demand, the price of related noble gases has risen sharply again. As the current domestic high-purity krypton xenon market supply is increasingly tight, and the downstream semiconductor, scientific research and other industries are in good demand, which intensifies the contradiction between supply and demand in the industry, and the price of high-purity xenon in the downstream market continues to rise. Due to the decrease in the output of the main upstream enterprises and the reduction in planned shipments, the actual volume of goods in circulation is relatively small, and high-purity xenon gas is hard to find. Holders have a good bullish attitude, and the products are up for sale.
2022-07-07

Analysis of the market status of the global and Chinese gas industry in 2021, the gas demand structure is continuously optimized.

Analysis of the market status of the global and Chinese gas industry in 2021, the gas demand structure is continuously optimized. 1.Industrial gas industry chain The upstream Raw Material of the industrial gas industry are mainly air, industrial waste gases, basic chemical raw materials, etc. Upstream industries are mainly equipment suppliers (air separation equipment, purification equipment, storage container equipment such as storage tanks, and transportation equipment such as tanker trucks), energy suppliers, suppliers of basic chemical raw materials, etc. The downstream industries of the industrial gas industry are mainly electronic semiconductors, biomedicine, new energy, metallurgy, chemical industry, machinery, electrical power, building materials, lighting, food, agriculture and other less affected industries. Among them, the general industrial gas end-user market is mainly concentrated in traditional industries such as metallurgy and chemical industry, and the special gas end-user market is mainly located in the fields of electronic semiconductors, biomedicine, and new energies. 2. Market scale of the global industrial gases industry The global industrial gases industry has been constantly developing for more than 200 years. In an environment of steady global economic growth and stable industrial development, the global industrial gases market will continue to grow steadily, from 720.2 billion yuan in 2017
2022-07-07

Laboratory liquid nitrogen safety issues

Liquid nitrogen, (also referred to as LN2) is a cryogenic liquid commonly used in labs. In biology research settings its primary use is for preserving biological materials such as tissue samples and cells. This is a critical application in many research settings, which means if you work in a biology lab you are probably going to have to handle liquid nitrogen at some point. What I want to share today is about liquid nitrogen danger. Liquid Nitrogen Dangers (1)It`s Extremely Cold The boiling point of liquid nitrogen is -196ºC and it freezes at -210ºC. Between these values, liquid nitrogen is in the liquid state. The extreme cold of this liquid means t
2022-06-28

SMT Industry Nitrogen Generator Overview

SMT Industry Nitrogen Generator The Nitrogen Generator for SMT industry is developed on the basis of the general nitrogen making device and combined with the process characteristics of lead-free welding in SMT industry. Purity between 99.9%~99.999%, stable performance, simple operation, easy maintenance, effectively reduce the user cost. Technical characteristics of nitrogen generator in SMT industry 1, perfect fluent design, optimal use effect; 2, reasonable internal components, uniform air distribution, reduce the high speed impact of air; 3, special molecular s
2022-06-24

Air Separation Plants Overview

Nitrogen, oxygen and argon have many applications in industry. Like, gaseous nitrogen (GAN) is used as raw material or inert gas, while liquid nitrogen (LIN) is used for refrigeration. Oxygen has a variety of uses in steelmaking and other metal refining and manufacturing processes, in chemicals, pharmaceuticals, petroleum processing, glass and ceramic manufacturing, and pulp and paper. It is also used for environmental protection in municipal and industrial wastewater treatment plants and facilities. Like nitrogen, the inert gas argon is used because of its low reactivity, which provides greater inertness than nitrogen as well as lower thermal conductivity and improved solubility in water and oil. Additionally, argon is more common and more cost-effective than the noble gases helium, neon, krypton and xenon. Nitrogen, oxygen and argon are almost completely separated and recovered from the atmosphere. A cryogenic air separation unit (ASU) is a process unit in which air is separated into its component gases by cryogenic distillation.The plant includes a range of equipment such as distillation columns, heat exchangers, adsorbers and ancillary machinery for compressing, expanding and controlling gases and liquids. Component gases are sold and distributed to customers upon request for a variety of industrial, medical and other professional applications. Air separation plants are constructed differently depending on the product produced and the customer's capacity and purity requirements. I
2022-06-24

Cryogenic nitrogen plant

Cryogenic nitrogen plant Nitrogen, as an element of great technical importance, can be produced in a cryogenic nitrogen plant with a purity of more than 99.9999%. Air inside a distillation column is separated at cryogenic temperatures (about 100K/-173°C) to produce high purity nitrogen with 1ppm of impurities. How the plant works Warm end process Atmospheric air is roughly filtered and pressurised by a compressor, which provides the product pressure to deliver to the customer. The amount of air sucked in depends on the customer`s nitrogen demand. The Air Receiver collects condensate and minimises pressure drop. The dry and compressed air leaves the air to refrigerant heat exchanger at about 10°C.
2022-06-16

How does a liquid nitrogen plant work?

How does a liquid nitrogen plant work? Liquid nitrogen is a colorless, odorless, non-flammable, non-corrosive and extremely cold element that finds a lot of applications including research and development. Liquid Nitrogen Liquefaction : Liquid Nitrogen Plant (LNP) draws out Nitrogen gas from the atmospheric air and then liquefies it with the help of Cryo cooler. There are two methods through which Nitrogen can be liquefied: 1.Pressure Swing Adsorption with Cryo generator. 2.Distillation of liquid air. Working principle of Liquid Nitrogen Plant In a Liquid Nitrogen plant, the atmospheric air is first compressed to 7 bar pressure into compressor. This high temperature compressed air is then cooled in the external refrigeration system. Then, the cooled compressed air is passed through moisture separator to trap the moisture from the air. This dry compressed air is then passed through a bed of carbon molecular sieves where Nitrogen and Oxygen are separated from the air. Separated Nitrogen is then allowed to get through Cryo cooler which cools the gaseous Nitrogen to a liquid state at the boiling point of Nitrogen (77.2 Kelvin). Finally, the Liquid Nitrogen gets collected in Dewar`s vessel where it gets stored for several industrial purposes. Uses of Liquid Nitrogen Liquid Nitrogen
2022-06-16

Liquid Nitrogen Generator Composition And Working Principle

What is Liquid Nitrogen Generator? Liquid nitrogen generators consist of a nitrogen gas generator that divides and extracts nitrogen gas from the oxygen molecules in the air. The generator has a cryocooler that is used for turning the nitrogen gas into a liquid by reducing its temperature to below its evaporation point of approx. -195.8 °C (-320 °F) and a vacuum-heat insulated vessel that stores the liquid nitrogen. How Does a Liquid Nitrogen Generator Work? Cryoplants typically comprise a pre-treatment, a cryogenic, and a compressor/expander section. During pre-treatment, freezable components which may damage cryogenic equipment - such as water and carbon dioxide - are removed by absorption. Other impurities (such as mercury) may also be removed by catalysis. In a cryoplant`s liquid nitrogen generator, atmospheric air is pressurized by a compressor a
2022-06-16

Who needs a psa oxygen generator?

Who needs a psa oxygen generator? Inhalation of oxygen means inhalation of oxygen. It is a commonly used clinical treatment method, and oxygen therapy is mainly a method to relieve hypoxia. An appropriate amount of oxygen inhalation is used to correct hypoxia, increase the level of arterial oxygen partial pressure and oxygen saturation, and promote metabolism. It is one of the important methods for adjuvant treatment of various diseases. Oxygen inhalation is used to correct hypoxia, increase the level of arterial oxygen partial pressure and oxygen saturation, and promote metabolism. It is one of the important methods for adjuvant treatment of various diseases. Such as respiratory failure, chronic bronchitis, cerebrovascular disease, and coronary heart disease. Those with no obvious symptoms of clinical hypoxia may also have oxygen debt or abnormal microcirculation metabolism, so oxygen inhalation may be required. Such as some patients before and after surgery, patients with hemorrhagic shock, poor fetal heart sounds, or long labor during childbirth,h and other patients. The relationship between oxygen concentration and oxygen flow: Inhaled oxygen concentration (%) = 21+4 × oxygen flow (L/min). Precautions for oxygen inhalation: 1. Chronic obstructive pulmonary disease (COPD) (chronic bronchitis, emphysema) should receive low-concentration oxygen in respiratory fail
2022-06-06

Why Should the Air-nitrogen Ratio be Considered when Purchasing Nitrogen Generators?

In PSA Nitrogen Generator System, air-nitrogen ratio refers to the amount of air consumed by nitrogen per unit of output. The Nitrogen Maker Machine with the same output and purity, the higher the air-nitrogen ratio, the larger the air compressor required, the greater the power consumption; The lower the air-nitrogen ratio is, the smaller the air compressor is needed, and the smaller the power consumption. Therefore, the ratio of air to nitrogen is also a very important reference factor for enterprises to purchase nitrogen system. The main factors affecting the air-nitrogen ratio are as follows (1) Molecular sieve performance; (2) Nitrogen oxygen purity; (3) Adsorption pressure and period; (4) PSA adsorption process design. Welcome to contact us for more information about Portable Nitrogen Generator Machine.
2022-06-06

How Cryogenic Oxygen Nitrogen Plant ?

How Cryogenic Oxygen Nitrogen Plant? The atmospheric air mainly consists of oxygen and nitrogen gases and small quantities of water vapor, carbon dioxide, argon, helium, etc, Oxygen and Nitrogen from the air are separated due to the difference in boiling points by distillation through a fractional column. Atmospheric air is sucked in by a multi-stage compressor through a filter and compressed to the design pressure. The compressed air is then passed through inter-coolers, an Industrial refrigerator, moisture separators, and then to the Molecular Sieve Battery for removal of Carbon dioxide, Hydrocarbons, and moisture from the process air. This pure air then passes through the first heat exchanger, where it is cooled by the outgoing Nitrogen and Oxygen. Part of this cooled air then passes through an Expansion Engine and the other part through the 2nd heat exchanger. Both the Expansion Engine and 2nd heat exchanger help in further cooling down the air, which is finally released to the bottom of the column through an expansion valve. The air becomes liquid at this stage. The column consists of two parts. Lower column and Upper column. In between the lower and upper column, there is a condenser that acts as a reflux for the lower column and as a re-boiler for the upper c
2022-05-28

Automation Boosts High-purity Nitrogen Generators

Nitrogen generator is a device that uses compressed air as raw material and uses carbon molecular sieve adsorbent to selectively adsorb nitrogen and oxygen. There are three types of nitrogen generators used in industry. Technically speaking, nitrogen generator is a nitrogen equipment designed and manufactured according to pressure swing adsorption technology. The nitrogen generator uses CMS as the adsorbent, and adopts the principle of pressure swing adsorption (PSA) to separate air at room temperature to prepare high-purity nitrogen. Generally, two adsorption towers are connected in parallel, and the imported PLC controls the automatic operation of the imported pneumatic valve. Alternately carry out pressure adsorption and decompression regeneration to complete the separation of nitrogen and oxygen to obtain the required high-purity nitrogen. In terms of work flow, the nitrogen generator is compressed by the compressor and enters the cold dryer for freeze drying to meet the dew point requirements of the raw air pressure adsorption nitrogen control system. The oil and water in the raw air are then removed through a filter into an air buffer tank to reduce pressure fluctuations. Finally, the pressure valve is adjusted according to the rated working pressure and sent to two adsorbents (containing carbon molecular sieves), where the air is separated to obtain nitrogen. The nitrogen generator has the advantages of convenient nitrogen production, fast speed, less land occupation, less investment and less investment. Nitrogen production is more economical than other nitrogen supply methods. Moreover, the PSA process is a simple and convenient method for nitrogen production, using air as the raw material, with low operating cost, low energy consumpti
2022-05-27

What Are The Routine Maintenance of Nitrogen System?

Daily maintenance of air compressor: Oil and gas tank drain: Open the oil and gas tank drain valve a little before starting the machine to drain the condensed water during shutdown, and close it immediately when there is lubricating oil out. Check the oil level: the oil level should be above the alarm line. Check the changes of parameters such as exhaust temperature, lubricating oil temperature, and motor temperature when the air compressor is running. Check whether the pipeline is leaking and whether the pipe joint is loose. Whether there is any abnormal sound when the air compressor is running. Filter routine maintenance: Check whether the drain valve at the bottom of the filter works normally. Check whether the differential pressure gauge of the filter is in the normal display position. Daily maintenance of nitrogen making equipment: Whether the manually operated valve is sensitive and normal. Check whether the pressure value of the two-piece is at the set value. Check whether the instrument display is normal. Check the muffler for black powder. Kunpen
2022-05-27

PSA Pressure Swing Adsorption Oxygen Generator Technical Characteristics

1. Equipped with air purification and drying treatment device, clean and dry air is beneficial to the long-term service life of molecular sieve. 2. A new type of pneumatic valve is adopted, which has fast start-up speed, no leakage, long service life and long switching life, which can meet the frequent use of pressure swing adsorption process and has high reliability. 3. Perfect process design and selection of new molecular sieves. 4. Adopt a new process for oxygen production, and continuously optimize the device design to reduce energy consumption and cost. 5. The design of the equipment is compact and the floor space is reduced. 6. The equipment has stable performance and adopts PLC control, which can realize fully automatic operation and low operation failure rate. Kunpeng has Air Separation Plants, PSA Oxygen Generator, Liquid Oxygen Plant, Liquid Nitrogen Plant, Medical Oxygen Plant, PSA Nitrogen & Liquid Nitrogen Plant and so on. If you need, please don't hesitate to contact us.
2022-05-27

PSA Pressure Swing Adsorption Oxygen Generator System Process

1. Compressed air purification components The compressed air provided by the air compressor is first passed into the compressed air purification component. The compressed air first removes most of the oil, water and dust through the pipeline filter, and then further removes water through the freeze dryer, and the fine filter removes oil and dust. And it is deeply purified by the ultra-fine filter that follows. 2. Air storage tank The function of the air storage tank is to reduce the airflow pulsation and play a buffering role. Reduce system pressure fluctuations, allowing compressed air to smoothly pass through the compressed air purification components. At the same time, when the adsorption tower is switched, it also provides a large amount of compressed air for the PSA oxygen and nitrogen separation device to rapidly increase the pressure in a short time, so that the pressure in the adsorption tower rises quickly, ensuring the reliable and stable operation of the equipment. 3. Oxygen and nitrogen separation device There are two adsorption towers, A and B, in the 0.3Mpa industrial oxygen generator equipped with special molecular sieves. When the clean compressed air enters the inlet end of the A tower and flows to the outlet end through the molecular sieve, N2 is adsorbed by it, and the product oxygen flows out from the outlet end of the adsorption tower. After a period of time, the molecular sieve in Tower A is saturated with adsorption. At this time, tower A automatically stops adsorption, and compressed air flows into tower B to absorb nitrogen and produce oxygen, and regenerate the molecular sieve of tower A. 4. Oxygen buffer tank
2022-04-29

Nitrogen Produce Comparison Of Process Performance

Performance comparison of cryogenic separation nitrogen production, PSA nitrogen generator and membrane separation nitrogen production (1) The process flow of PSA pressure swing adsorption and membrane separation nitrogen production is simple, the number of equipment is small, the operation is simple, and it can be shut down at any time and can be shut down for a long time. Cryogenic nitrogen production not only has a complicated process flow and a large number of equipment, but also needs to be operated in a cryogenic and low temperature state. Before the equipment is put into normal operation, there is a pre-cooling start-up process, and the start-up time is generally not less than 12h from the start of the expander to the time when the nitrogen purity reaches the required level. Before the equipment enters the overhaul, there must be a period of heating and thawing time, generally 24h. Therefore, cryogenic separation nitrogen production is not suitable for occasions with frequent start and stop. Compared with PSA pressure swing adsorption, membrane separation nitrogen production not only has simpler equipment structure, but also has no switching valve, which makes operation and maintenance easier and the time required for gas production is shorter. (2) Cryogenic separation of nitrogen production can simultaneously obtain gas nitrogen and liquid nitrogen, which is suitable for the technological process that requires liquid nitrogen. Liquid nitrogen can also be stored in a liquid nitrogen storage tank as a backup. When there is a short-term sudden increase in nitrogen demand or a minor repair of nitrogen production equipment, the liquid nitrogen in the storage tank can be vaporized and sent to the nitrogen pipe network to meet the
2022-04-29

PSA Nitrogen Generator

PSA Nitrogen Generator Work Principle Nitrogen generator takes the principle of PSA (Pressure swing adsorption) and uses the carbon molecular sieve to be the adsorbent, under the certain pressure , the N2 can be separated from the air when the purified compressed air goes through the adsorption vessels by the compressing and decompressing. Due to the property of the O2, it moves faster than N2 in the carbon molecular sieve, so the oxygen molecular has been adsorbed first and the N2 has been collected and finally get the N2 air. After then the carbon molecular sieve would be decompressed to release the O2 molecular, it is called regeneration. Normally it has two towers, one is for working the other is regeneration. They are all controlled the PLC and valves, so it can keep running without stopping. Main Feature 1. The material source is from the nature, the system only needs compressed air and power, so the cost of power and operation is less. 2.Nitrogen purity is easy to adjust, it is only affected by the capacity, purity of normal nitrogen is at the ranger of 95%~99.99%(can be adjusted) ,purity of
2022-04-23

What to Pay Attention to When Using a Nitrogen Generator

In the pharmaceutical industry, in order to improve the quality of drugs, whether it is the production of large infusions, injections, powders, freeze-dried preparations or oral liquid preparations, nitrogen filling processes are required. At the same time, economical options for nitrogen use and compliance with GMP requirements have always been the focus of pharmaceutical production. In the past, most of the nitrogen used in pharmaceuticals came from industrial nitrogen in cylinders, or from standard forms of liquid vaporization. With the modernization of my country's pharmaceutical industry and the development of pharmaceutical machinery, on the basis of the introduction of nitrogen technology, my country's pressure swing nitrogen suction machine has opened up a new field of pharmaceutical nitrogen. Correct and safe use of pressure swing nitrogen suction machine should pay attention to the following points: 1. The nitrogen production system must be transported in sections, and the equipment should be kept stable during transportation. Collision is strictly prohibited. 2. Before starting the machine, the entire nitrogen production system should be carefully checked to ensure that there are no tools, parts or other objects in the air compressor. 3. Before the operation of the nitrogen generator, the opening of the hose must be fixed to prevent the hose from hurting people. 4. When starting the nitrogen generator, the exhaust valve should be in an empty state to avoid overpressure of the air compressor. 5. When removing any pressure components, ensure that the entire system is in a pressure-free state. 6. Regularly check the re
2022-04-23

Oxygen Concentrator Buying Guide: 8 Points You Must Keep in Mind

Point 1:It is important to know who needs an oxygen concentrator and when. Any Covid-19 affected patient who is dealing with breathing issues can use a concentrator. In a normal scenario, our body operates with 21 per cent of oxygen concentration. During Covid, the demand goes up and your body may ask more than 90 per cent concentrated oxygen. The concentrators are capable of providing oxygen between 90 and 94 per cent. Point 2:The patients and their families need to keep in mind that if the oxygen level falls below 90 per cent, an oxygen concentrator might not be enough and that`s when they need to visit the hospital. This is because most oxygen concentrators can supply five to ten litres of oxygen per minute. Point 3:There are two types of concentrators. If the patient is recovering at home, you should buy a home oxygen concentrator. It is big, can supply more oxygen but weighs at least 14-15 kgs and requires direct power supply to work. Anything lighter than this might be a bad quality product. Point 4:In case the patient has to travel or needs to be admitted to the hospital, you should buy the portable oxygen concentrator. They are designed to be carried around, don`t need a direct power supply and can be charged like smartphones. However, they can supply limited oxygen per minute and are only a temporary solution. Point 5:Check the capacity of the concentrator. They largely come in two sizes - 5L and 10L. The first can provide 5 litres of oxygen in a minute, while the 10L concentrator can provide 10 litres of oxygen in a minute. You will find most portable concentrators with 5L capacity and that should be the minimum to look for. We will advise you to opt for the 10L size. Poi

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