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Vacuum Pressure Swing Adsorption (VPSA) technology can produce the desired gas(es) much more efficiently. The system segregates certain gases from a gaseous mixture at near ambient pressure; the process then swings to a vacuum to regenerate the adsorbent material, zeolite molecular sieves. It draws the gas through the separation process with a vacuum, typically generated by a blower, The systems apply pressurized gas to the separation process and also apply a vacuum to the purge gas. Doer can supply VPSA oxygen plant with capacity ranging from 100-10,000 m3/h for industrial, medical or commercial applications.
In early March 2021, shortly after the Chinese spring Festival, Hunan Hualing Lianyuan Iron and Steel Co., LTD. (hereinafter referred to as "Lian Steel") had already started intensive production and construction. After the short 3-day rest during...
(1) Construction quality problem had been the principle cause of oxygen pipeline explosion. 1) Iron oxide was found in the piping, and rust was found in the molten peeling layer, indicating that the pipeline pickling was not carried out thoroughly;...
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