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2 683 319

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IPC

B01J37/03(2006-01-01)

B01J23/28(2006-01-01)

(21) (22)

Application

2018145168, 2018-12-18

(24)

Start date

2018-12-18

(22)

Actual filing date

2018-12-18

(45)

Published

2019-03-28

(72)

Inventor

Kharlampidi Kharlampij EvklidovichGajfullin Anvar AkhmetovichElimanova Galina GennadevnaMiroshkin Nikolaj PetrovichTuntseva Svetlana NikolaevnaGajfullin Ruslan AnvarovichDenisova Marina Nikolaevna

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Natsionalnyj Issledovatelskij Tekhnologicheskij Universitet" Vo

METHOD FOR PRODUCING CATALYST FOR EPOXYDATION OF OLEFINS Russian patent published in 2019 - IPC B01J37/03 B01J23/28

Abstract RU 2683319 C1

FIELD: technological processes.

SUBSTANCE: invention relates to a method for producing molybdenum catalyst soluble in hydrocarbons for epoxidation of olefinic hydrocarbons with organic hydroperoxides. Method of producing molybdenum catalyst for epoxidation of olefins is carried out by dissolving metallic powdered molybdenum in waste water with a peroxide concentration of 0.25–1.10 mol/l at 30–50 °C, formed during co-production of styrene and propylene oxide at the stage of water washing of ethylbenzene oxide at a mass ratio of waste water:molybdenum 1:(0.006–0.025), respectively. After dissolving molybdenum in wastewater, molybdenum is precipitated with 8-oxyquinoline at a molybdenum:8-oxyquinoline weight ratio of 1:2, respectively. Molybdenum sediments is carried out with stirring for 30 minutes and a temperature of 50 °C.

EFFECT: invention allows to simplify method of obtaining molybdenum-containing catalyst for epoxidation of olefins using wastewater industrial production of styrene and propylene oxide, as it does not require dewatering step and further dissolution of the catalyst in hydrocarbon solvent before epoxidation process.

1 cl, 2 tbl, 5 ex

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RU 2 683 319 C1

Authors

Kharlampidi Kharlampij Evklidovich

Gajfullin Anvar Akhmetovich

Elimanova Galina Gennadevna

Miroshkin Nikolaj Petrovich

Tuntseva Svetlana Nikolaevna

Gajfullin Ruslan Anvarovich

Denisova Marina Nikolaevna

Dates

2019-03-28—Published

2018-12-18—Filed