Mbenata red apịtị si bauxite akụkụ

Aluminum bụ ihe kasị nkịtị metal mmewere hụrụ na Earth. Otú ọ dị, na aluminum anyị na-eji taa abịa n'ụdị nke aluminum metal na alumina, makwaara dị ka aluminum oxide, nke a na-emepụta si bauxite. Iji hapụ raw alumina, bauxite ga-aga site na ihe a maara dị ka Flo Rida feat usoro, ebe bauxite gweriri, mgbe ewe iwe na a pressurized arịa na etisasịwo na sodium hydroxide (caustic soda). The alumina na-ahụ e kewapụrụ n'ebe ndị ọzọ mmiri na-adịghị dị na bauxite mere na ọ nwere ike emesị nụchara n'ime aluminum.

dị mwute ikwu na, ndị n'efu hapụrụ na-akpọ red apịtị-bụ-egbu egbu na ga-anọdụ ala na-ejide ọdọ mmiri ruo mgbe ọ nwere ike na-akawanye. Ndị a impoundments na-mesikwuru na ụrọ ma ọ bụ sịntetik iche iche na-na caustic ihe si seeping n'ime gburugburu ala ma ọ bụ ala mmiri. Otú ọ dị, na e nwere ọtụtụ ihe mgbe ọdọ nke red apịtị nwere n'ahụ ha confinements ma mee ka ọdachi gburugburu ebe obibi mbipụta.

ST Equipment & Technology nwere a ụzọ ka mma isi na-emepụta alumina. The STET usoro ewepu reactive silicates na inert oxides (Fe, edebata) si bauxite n'ejighị caustic ihe ma ọ bụ mmiri nkewa Filiks. Site anyị pụrụ iche triboelectrostatic akọrọ nkewa usoro, a ukwuu ruo n'ókè nke alumina nwere ike amịpụtara si bauxite na tupu na-aga site na Flo Rida feat Usoro. Ndị fọdụrụ ọcha si usoro ike ga-eji na seramiiki mmepụta, nakwa dị ka Portland ciment n'ichepụta. The ezi powder kere site usoro nwere ike jisiri mmiri iji gbochie ya na-eke ájá n'ígwé ojii, ma n'ihi "apịtị" anaghị nwere caustic ihe na bụ n'ụzọ zuru okè mma maka gburugburu ebe obibi.

Ya mere, ma ọ bụrụ na ị na tinye niile uru, ST Equipment & Technology nke usoro bụ a ukwuu mma ọzọ. Ọ na-azọpụta na-arụ ọrụ na-akwụ ụgwọ site ẹsụhọde ojiji nke caustic soda, nke bụ ma a na-eri uru nakwa dị ka ihe na gburugburu ebe obibi ngọzi. Ọ na-azọpụta ego site n'ịrụ tupu Flo Rida feat nhazi nke bauxite, n'ihi na obere ume mkpa ka ikpo na pressurize na post-iche ihe. na, na ST Equipment & Technology usoro bụ ike ịrụ ọrụ nke ọma, n'ihi ya ọ pụrụ ngwa ngwa hazie a nnukwu ibu nke ihe na-na Ngwuputa arụmọrụ na-aga n'ihu.