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zeolite catalyst

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zeolite catalyst [′zē·ə‚līt ′kad·əl·əst]
(inorganic chemistry)
Hydrated aluminum and calcium (or sodium) silicates (for example, CaO·2Al2O3·5SiO2or Na2O·2Al2O3·5SiO2) made with controlled porosity; used as a catalytic cracking catalyst in petroleum refineries, or loaded with catalyst for other chemical reactions.


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The process involves the hydrocarbon molecules being smashed by hydrogen atoms under pressure, at high temperature and with a zeolite catalyst.
Catalytic cracking is the largest consumer of refinery chemicals by virtue of its heavy demand for zeolite catalysts.
The researchers mixed various types of plastic with zeolite catalysts, including HZSM-5 and tetralin, in a sand bath, then placed the slurry in a "tubing-bomb" reactor.
 
 
 
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