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Metallo aluminophosphate molecular sieve with cubic crystal morphology and methanol to olefin process using the sieve
Metallo aluminophosphate molecular sieve with cubic crystal morphology and methanol to olefin process using the sieve
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机译:具有立方晶体形态的金属铝磷酸盐分子筛和使用该筛的甲醇制烯烃工艺
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摘要
A catalyst for converting methanol to light olefins along with the process itself are disclosed and claimed. The catalyst is a metalloaluminophosphate molecular sieve having the empirical formula (ELxAlyPz)O2 where EL is a metal such as silicon or magnesium and x, y and z are the mole fractions of EL, Al and P respectively. The molecular sieve has predominantly a plate crystal morphology in which the average smallest crystal dimension is at least 0.1 microns and has an aspect ratio of no greater than 5. Use of this catalyst gives a product with a larger amount of ethylene versus propylene.
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