RHENIUM DESORPTION METHOD

申请公布号：RU2258756(C2)

申请号：RU20030120720

申请日期：2003.07.10

申请公布日期：2005.08.20

发明人：TROSHKINA I.D.;USHANOVA O.N.;JAKUSHENKOV N.A.;CHEKMAREV A.M.

分类号：C22B61/00;C22B3/24

主分类号：C22B61/00

摘要：FIELD: precious metal hydrometallurgy. ^ SUBSTANCE: rhenium-loaded sorbent is treated with 4-5 M hydrochloric acid in contact with another sorbent, in particular solid extractant containing asymmetric phosphine oxide, after which sorbent is separated from mixture and treated with ammonia or ammonium carbonate solution. ^ EFFECT: combined rhenium desorption and eluate purification operations. ^ 7 ex

INTEGRATING EQUIPMENT OF FLEXIBLE SHEET

OIL PRESSURE CONTROL VALVE

RECIPROCAL MOTION EXTERNAL CONBUSTION ENGINE ACTUATING IN ACCORDANCE WITH CARNOT'S CYCLE

PRODUCTION OF FINE POWDER OF CERVI PARVUM CORNU

NETWORK CONTROLLER

COIN IDENTIFYING DEVICE

SOLD-OUT CONTROLLER FOR VENDING MACHINE

VACUUM EXHAUST DEVICE

METHOD FOR PURIFYING POLYMER DISPERSION

THROWAWAY CUTTER

X-RAY IMAGE PICKUP DEVICE

FACSIMILE EQUIPMENT

FOERBAETTRAT FOERFARANDE FOER FOERSTAERKNING AV NUKLEINSYROR.

DIGITALISKT RADIOSYSTEM.

METHOD FOR DECIDING MAINTENANCE TIMING FOR INJECTION PLUNGER MECHANISM

WHEEL CRANE

ABNORMALITY DETECTING DEVICE OF PASSENGER CONVEYER

SHEET STORAGE AND RESUPPLY DEVICE

GUIDE-PLATE RELEASING METHOD IN DOCUMENT TRANSFER STRUCTURE

PAPER SHEET FEEDING DEVICE