The ST Equipment & Technology (STET) separator awade uru a dịgasị iche iche nke ọrụ na ngwaahịa. The STET separator bụ kpamkpam akọrọ, ka a na-enweghị mmiri ma ọ bụ kemịkal. The separator erepịakwa naanị a obere ego nke eletriki ume, nke na-eji na-arụ ọrụ na belt Motors. The STET separator erepịakwa n'etiti 1-4 kWhr kwa ton nke oriri esichara, dabere na njupụta nke powder esichara. The separator na-adị mfe kwere, dị ka nanị anwuru akara ngwaọrụ chọrọ bụ a ájá mkpoko maka mmekpahu ájá. Ọtụtụ mgbe, e nwere obere ma ọ bụ ọ tupu nhazi chọrọ maka oriri na ihe onwunwe na separator ọzọ karịa size Mbelata na kwesịrị ekwesị urughuru size. N'adịghị ka ndị ọzọ electrostatic nhazi akụrụngwa, elu okpomọkụ thermal tupu ọgwụgwọ adịghị mkpa.
Ọzọkwa, na separator imewe bụ dịtụ mfe na kọmpat. A igwe iji hazie ruo 40 ton kwa hour (njupụta dabere) bụ mkpokọta 30 ft (9 m) ogologo, 5 ft (1.5 m) obosara na 9 ft (2.8 m) ogologo. The belt na metụtara rollers bụ naanị na-akpụ akpụ akụkụ, na-eme ka mmezi ma dị mfe ma ugboro ugboro. The electrodes bụ anyịnya na-ekewet nke a ukwuu inogide ihe.