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2 457 905

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(51)

IPC

B03D1/00(2006-01-01)

B03D1/04(2006-01-01)

(21) (22)

Application

2010142495/03, 2010-10-18

(24)

Start date

2010-10-18

(22)

Actual filing date

2010-10-18

(45)

Published

2012-08-10

(72)

Inventor

Petukhov Vasilij NikolaevichKantor Evgenij AbramovichRakhimova Inna MaratovnaVoronenko Boris IvanovichBaeva Larisa Askhatovna

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Neftjanoj Tekhnicheskij Universitet"

METHOD OF COAL FLOTATION Russian patent published in 2012 - IPC B03D1/00 B03D1/04

Abstract RU 2457905 C2

FIELD: process engineering.

SUBSTANCE: invention relates to ore dressing and may be used in coal flotation. Proposed method comprises conditioning the pulp with collector and foaming agent and extracting coal bulk into concentrate. Collector reagent represents γ-hexylthiopropyl phenol ester of general formula: .

EFFECT: higher yield, reduced consumption of reagent.

2 tbl, 1 ex

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RU 2 457 905 C2

Authors

Petukhov Vasilij Nikolaevich

Kantor Evgenij Abramovich

Rakhimova Inna Maratovna

Voronenko Boris Ivanovich

Baeva Larisa Askhatovna

Dates

2012-08-10—Published

2010-10-18—Filed