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2 030 573

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(51)

IPC

(21) (22)

Application

5025488/03, 1992-01-31

(22)

Actual filing date

1992-01-31

(45)

Published

1995-03-10

(72)

Inventor

Darvin Igor' Serafimovich[Kz]Plotnikov Jurij Vladimirovich[Kz]Bubnov Vasilij Karpovich[Kz]Evseev Leonid Ivanovich[Kz]Toktamysov Muslim Toktamysovich[Kz]Namsaraev Ananda Tsidandarzhievich[Kz]Jakovlev Aleksandr Petrovich[Kz]Dumkin Aleksandr Aleksandrovich[Kz]

(73)

Holder

Proizvodstvennoe Ob"Edinenie Gorno-Khimicheskij Kombinat"Maloe Sovmestnoe Predprijatie

METHOD FOR DUMP LEACHING OF USEFUL MINERALS Russian patent published in 1995 - IPC

Abstract RU 2030573 C1

FIELD: treatment of nonferrous ores and ores of rare metals. SUBSTANCE: method for dump leaching of useful minerals includes spraying of dump filled on hydraulically impervious base with leaching solution, collection of productive solution and elimination of solution losses. Novelty consists in that cone of influence is formed in underlying rocks and maintained during the entire period of leaching. Within cone of influence parallel to dump base, holes are drilled to catch losses. Upon completion of dump treatment these holes are used as receiving when heap bottom is hydraulically isolated. EFFECT: higher efficiency of leaching due to reduced impoverishment of productive solutions and improved environmental control. 2 cl

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RU 2 030 573 C1

Authors

Darvin Igor' Serafimovich[Kz]

Plotnikov Jurij Vladimirovich[Kz]

Bubnov Vasilij Karpovich[Kz]

Evseev Leonid Ivanovich[Kz]

Toktamysov Muslim Toktamysovich[Kz]

Namsaraev Ananda Tsidandarzhievich[Kz]

Jakovlev Aleksandr Petrovich[Kz]

Dumkin Aleksandr Aleksandrovich[Kz]

Dates

1995-03-10—Published

1992-01-31—Filed