METHOD FOR PRODUCING ION-EXCHANGE MOLDED CATALYST Russian patent published in 2018 - IPC B01J31/10 B01J37/00 C07C31/12

Abstract RU 2650503 C1

FIELD: chemistry.

SUBSTANCE: invention relates to production of ion-exchange catalysts that can be used in processes catalyzed by cation exchangers. Method for producing ion-exchange catalysts is carried out by extruding a powder mixture at the optimum point of melting a molding polymer consisting of a sulfonated styrene copolymer and divinylbenzene macroporous structure, taken in an amount of 5–89 wt%, sulfonated styrene copolymer and divinylbenzene gel structure taken in an amount of 5–89 wt%, and thermoplastic binders – polypropylene in an amount of 5–50 wt% and low density polyethylene in an amount of 1–5 wt%.

EFFECT: method provides obtaining a catalyst in the form of pellets having the shape of a cylindrical ring that have a sufficient total static exchange capacity and catalytic activity in dehydration of tert-butyl alcohol.

1 cl, 1 tbl, 6 ex

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RU 2 650 503 C1

Authors

Rakhmatullin Elvir Maratovich

Dates

2018-04-16—Published

2017-04-20—Filed