Synthetic Zeolite Molecular Sieve

Synthetic Zeolite molecular sieve refers to those with the role of molecular sieves and synthetic crystalline silicate, due to its unique structure and properties, has become an independent discipline, has been widely used in petrochemical, environmental protection, biological engineering, food industry, pharmaceutical chemical and other fields.

Feature of Synthetic Zeolite molecular sieve is a kind of inorganic crystalline material, because of its regular pore structure, strong acidity and high hydrothermal stability, it is widely used in the fields of catalysis, adsorption and ion exchange, and it plays an irreplaceable role

The adsorption of zeolite is a physical process.The main reason for adsorption is a "surface force" generated by the effect of molecular gravity on the solid surface. When the fluid flows through, some molecules in the fluid collide with the surface of the adsorbent due to irregular movement, generating molecular concentration on the surface and reducing the number of such molecules in the fluid to achieve the purpose of separation and removal.Since no chemical change takes place in the adsorption, as long as the molecules concentrated on the surface are managed to drive away, zeolite molecular sieve has the adsorption ability, this process is the reverse of the adsorption process, called analysis or regeneration.

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The main application scope of Synthetic Zeolite molecular sieve:

Air separation

①　Removal of water and carbon dioxide from the air prior to liquefaction and cryogenic separation of nitrogen, oxygen and other atmospheric gases

②　Separation of oxygen and nitrogen using a pressure swing adsorption system or a vacuum pressure swing adsorption system

③　Desulfurization of high-purity food-grade CO2

Petroleum refining

①　Dehydration of alkylation feeds, refinery gas streams prior to cryogenic separation, naphtha and diesel

②　Removal of water, HCl and H2S from reformer feeds

③　Removal of oxides from etherification raffinate feed and alkylation feed

④　Removal of HF and organofluorine

⑤　Removal of H2S for testing of copper bars transported through pipes

⑥　Removal of nitrile from etherification feed

⑦　Dehydration of ethanol

⑧　Dehydration and desulfurization of LPG fluids

⑨　Separation of n-paraffins in branched and cyclic compounds

⑩　Purification by pressure swing adsorption to improve the grade of hydrocarbon fluids

⑪　Clear Hg

Petrochemicals

①　Dehydration and purification of NGL/ethane/propane feed

②　Dehydration of cracked gas, C2 and C3 splitter feeds, and hydrogen

③　Low activity adsorbents for polymer fluids

④　Dehydration and purification of ethylene, propylene and various other raw materials stored in the salt dome

⑤　Removal of water, carbon dioxide, methanol and other oxides, hydrogen sulfide and sulfide, ammonia and mercury from ethylene, propylene, butene, pentene and various solvents and comonomers

⑥　Removal of Hg, O2, CO2, H2S and/or COS

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