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2 455 072

(13)

(51)

IPC

B02C19/18(2006-01-01)

B03B5/00(2006-01-01)

(21) (22)

Application

2011100749/03, 2011-01-12

(24)

Start date

2011-01-12

(22)

Actual filing date

2011-01-12

(45)

Published

2012-07-10

(72)

Inventor

Khrunina Natal'Ja PetrovnaRasskazov Igor' Jur'Evich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Gornogo Dela Dal'Nevostochnogo Otdelenija Ran Dvo Ran)

METHOD OF ELECTROMAGNETIC-ULTRASONIC DISINTEGRATION OF GOLD ORE CONCENTRATE MICRO COMPONENT INTERGROWTHS Russian patent published in 2012 - IPC B02C19/18 B03B5/00

Abstract RU 2455072 C1

FIELD: process engineering.

SUBSTANCE: invention relates to extraction and processing of heavy minerals from hard-cleaning ore and complex alluvial deposits with increased content of fine and thin gold in intergrowths. Proposed method comprises opening mineral grain by wave attack. Intergrowths are destructed by electromagnetic field generating ultrasound frequency of, at least, 2·10¹¹ Hz and radiation intensity of at least 2.83·10² W/cm², and elastic deformation of 10^-8 of variable strain in intergrowths of gold ore concentrate intergrowths at consecutive effects of ultrasound along and across intergrowth.

EFFECT: higher efficiency and ecological safety.

3 dwg

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RU 2 455 072 C1

Authors

Khrunina Natal'Ja Petrovna

Rasskazov Igor' Jur'Evich

Dates

2012-07-10—Published

2011-01-12—Filed