Maqolada gidrometallurgik korhonalarning chiqindilari bo׳lgan, eritmalardan tarkibida nikel' va boshqa ranglimetallar bo׳lgan mahsulotlarni ishlab olish ko׳rsatilgan.

Tayanch iboralar: dekantatsiya, cho׳ktirish, sul'fat-anionlar, dissotsiatsiya, chiqarib olish, aralashmalar,ionalmashish smola, natriy sul'fidi, karbonat-angidridli natriy, ammoniy gidrosul'fidi.

The article describes the preparation of a product containing nickel and other non-ferrous metals from solutions thatare wastes from hydrometallurgical production.

Key words: decantation, precipitation, sulfate anions, sulfide, dissociation, extraction, impurities, ion exchange resin, sodium sulfide, sodium carbonate, ammonium hydrosulfide.