The chonyowa poto mphero yokoka yankho ndi wotchuka kwambiri m'mayiko ambiri Africa monga Zimbabwe, Egypt ndi Sudan,Njira zogwirira ntchito zikuphwanya→kugaya→knelson centrifugal concentrator kusankha(kuti atenge kukula kwakukulu kwa golide waulere)→kugwedeza tebulo(kusankha golide wabwino kuchokera ku ore tailing).Choyamba ikani mwala mu chophwanya nsagwada, mwachizolowezi ndi 002500 modelling 0PE,50000000000000000000000000000000000000000000000000000000000000000000000000000000000 model. 20 matani pa ola. Pambuyo kuphwanya, mwalawo umathyoledwa kukhala particles zosakwana 20mm. Tinthu tating'onoting'ono timayika mu mphero yonyowa yagolide, ndipo imasiyidwa kukhala ufa pafupifupi 100 mpaka 150 mauna (kuchokera 80 mpaka 150 micron). Kenako slurry yomwe imapangidwa mu mphero yonyowa imasamutsidwa ku golide wa centrifugal concentrator, momwe mchenga wakuda wagolide umasonkhanitsidwa. Kenako mchira umapita patebulo logwedezeka kuti upezenso golide wotsalayo.
Zida zamphamvu yokoka zagolide zidzakwezedwa mumtsuko wa 20ft kapena 40ft malinga ndi malo ndi kulemera kwake. Mpaka pano, tatumiza zida zamphamvu yokoka kumayiko ambiri, kuphatikiza Sudan, Zimbabwe, Mauritania ndi Egypt.