In industrial hydrogen purification by pressure swing adsorption (PSA), the adsorbents generally adsorb the easily adsorbed components out of the gas mixture at ambient temperature and high pressure, while the not easily adsorbed components (such as hydrogen) flow out from one end of the bed as the product, and then the adsorbent bed is depressurized to desorb the adsorbates and discharge them out from the other end of the bed, thus gas separation and
purification is realized, and the adsorbents are regenerated at the meantime. However, in general PSA process, there are two ways to regenerate the adsorbents, one is to "purge" the bed with product gas to reduce the partial pressure of the adsorbed impurities and displace the desorbed impurities. The advantage is that it can be operated under normal pressure, but the disadvantage is that more product gas is lost; Another regeneration method is using vacuum, desorbing the adsorbed impurities under negative pressure, which is commonly known as vacuum pressure swing adsorption (VPSA or VSA). The advantage of VPSA process is high product yield, but the disadvantage is that a vacuum pump is required, and the energy consumption of the unit is relatively higher. In practice, which method of the above to use depends on feed gas composition, product purity and yield requirements, etc.
Tangshan Zhongsol Technology Co., Ltd..
2x5 kcf High Pure Hydrogen and Fuel Hydrogen PSA Project
Xintai Zhengda Coking Company.
Xintai Zhengda Coking 20,000 m3 hydrogen-rich gas purification PSA project
Technical features..
1-Simple, advanced and reliable process flow with strong applicability of feed gases;
2-High hydrogen product purity, from 98% to 99.999%;
3-High hydrogen recovery, from 60% to 99% depending on gas source and product conditions;
4-Wide operating pressure range of 0.2-7.0MPaG, low energy consumption, high flexibility of 20- 120%, and continuous on-stream time over 4 years;
5-High degree of automation, with functions such as self-adaptive adjustment and automatic fault diagnosis, easy startup and shutdown, and unmanned automatic control.
Applications..
Shift gas, FCC dry gas, reforming hydrogen, dehydrogenation off gas, methanol decomposit i o n g a s , f l a s h d r u m o f f g a s f r o m hydroprocessing units in refineries,synthe- sis gas, methanol purge gas, synthesis am- ammonia off gas, coke oven gas, water gas, chloro-alkali off gas and other hydrogen-containing gases.
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Order Processing Time: Please allow 2-5 business days for us to process your order before it is shipped . Orders placed after 16:00 on Fridays, or during weekends and public holidays, will begin processing on the next business day. Processing times may be extended during peak seasons or sales events.
Manufacturing Time: Some products needs manufacturing time, the manufacturing process will take approximately 10-30 business days depending on the product. This timeframe may vary depending on the complexity of the product and current demand. but this will be communicated with you during order confirmation.
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