
Ma ke kahua o ka hana ʻana i nā minerala , he ʻano hana i hoʻohana nui ʻia ka flotation no ka hoʻokaʻawale ʻana i nā minerala waiwai nui mai ka gangue. He kuleana koʻikoʻi ko ka sodium sulfide i kēia kaʻina hana, hoʻohana nui ʻia e hoʻoponopono i ka waiwai pH o ka pulp, sulfidize, depress, a wehe i ka ʻili o nā minerala. He paʻakikī kāna mau pilina me nā Collectors , Frothers , a me Regulators a he hopena nui ia i ka pono a me ke koho ʻana o ka flotation.
Nā pilina me nā mea hōʻiliʻili
Ka hopena ma luna o nā mea hōʻiliʻili mineral sulfide
No nā mea hōʻiliʻili i hoʻohana pinepine ʻia no nā minelala sulfide e like me nā xanthates a me nā dithiophosphates, ke kūpono ka nui o ka Sodium sulfide , hiki iā ia ke hoʻonui i ka hydrophobicity o ka ʻili mineral sulfide, e hiki ai i nā mea hōʻiliʻili ke adsorb maikaʻi ma ka ʻili mineral a hoʻomaikaʻi i ka floatability o nā minelala. Eia nō naʻe, ke nui ka sodium sulfide, e hana ia i kahi kiʻiʻoniʻoni hydrophilic ma ka ʻili o nā minelala sulfide, e pale ana i ka adsorption o nā mea hōʻiliʻili a pēlā e pāʻani ai i kahi hana inhibitory. No ka laʻana, i ka flotation o ka copper-sulfur ore, hiki i kahi nui kūpono o ka sodium sulfide ke hoʻolaha i ka hōʻiliʻili ʻana o ka chalcopyrite e xanthate, ʻoiai ʻo ka nui nui e pale i ka flotation o ka chalcopyrite.
Ka hopena ma luna o nā mea hōʻiliʻili mineral oxide
I ka lele ʻana o nā mineral oxide, hiki i ka sodium sulfide ke sulfidize i ka ʻili o nā mineral oxide, e ʻae iā lākou e hōʻiliʻili ʻia e nā mea ʻohi mineral sulfide. No ka laʻana, i ka hoʻohana ʻana i nā mea ʻohi ʻakika momona e lana ai i ka cerussite, ʻo ka sodium sulfide e sulfidize mua i ka ʻili o ka cerussite a laila e launa pū me ka mea hōʻiliʻili waikawa momona, e hoʻomaikaʻi i ka hopena flotation o ka cerussite.
Nā pilina me nā Frothers
ʻO ka sodium sulfide ponoʻī ʻaʻohe waiwai huʻihuʻi, akā hiki ke hoʻopilikia i nā waiwai o ka pulp a me ke ʻano o ka ʻili o nā minela, a laila e hoʻohuli ai i ka hopena huʻihuʻi o nā frothers. ʻO ka nui kūpono o ka sodium sulfide e kūpono i ka hydrophobicity o nā minerala kūpono, kahi e kūpono ai i ka hoʻopili ʻana o nā ʻōpū i nā minerala, e hoʻomaikaʻi ai i ka hopena aeration a me ka paʻa ʻana o ka foam o nā frothers. Eia naʻe, ʻo ka nui o ka sodium sulfide e hoʻopuehu i ka slime maikaʻi i loko o ka pulp, e hoʻonui i ka viscosity pulp, e hoʻopili ai ka ʻūhā, a hoʻopilikia i ka paʻa a me ka wai o ka ʻūhā, ʻaʻole kūpono i ka ʻoki ʻana i ka pahu flotation a me ka hoʻokaʻawale ʻana o ka concentrate.
Nā pilina me nā Luna Hoʻoponopono ʻē aʻe
ʻO ka hopena Synergistic me nā mea hoʻoponopono pH
Hoʻohuihui ʻia ka sodium sulfide i mea alkaline a hiki ke hana pū me nā mea hoʻoponopono pH ʻē aʻe e like me ka lime a me ka sodium Carbon ate e hoʻoponopono pū i ka waiwai pH o ka pulp. No ka laʻana, i ka lana ʻana o ka lead-zinc ore, hoʻohana pinepine ʻia ka sodium sulfide a me ka lime i hui pū ʻia e mālama i ka pulp alkaline, kāohi i nā minelala haumia e like me ka pyrite, a hoʻomaikaʻi i ke koho flotation o ka lead-zinc ore.
Nā pilina me nā Depressants
Loaʻa i ka sodium sulfide nā hopena pale like me kekahi mau mea hoʻohaʻahaʻa e like me ka cyanide a me ke aniani wai. I kekahi mau hihia, hiki ke hoʻohana ʻia i ka hui pū ʻana e hoʻonui i ka hopena pale. No ka laʻana, i ka lana ʻana o ka hao polymetallic keleawe-lead-zinc, hiki i ka hoʻohana pū ʻana o ka sodium sulfide a me ka cyanide ke hoʻoikaika i ka pale ʻana o ka sphalerite a me ka pyrite, e hoʻokō ana i ka hoʻokaʻawale pono ʻana o ke keleawe-lead mai ka zinc-sulfur. Eia nō naʻe, pono e uku ʻia ka makaʻala i ka kaohi ʻana i ka dosage a me ke kaʻina hoʻohui; inā ʻaʻole, hiki ke hana ʻia ka pale nui ʻana, e hoʻopilikia ana i ka wikiwiki o ka hoʻōla ʻana.
Nā pilina me nā Activators
He hopena hoʻoulu ʻia ka sodium sulfide ma kekahi mau minela i kāohi ʻia a hiki ke hoʻohana pū ʻia me nā mea hoʻoulu. No ka laʻana, i ka hoʻokaʻawale ʻana o ka sulfide copper-lead ore, hiki ke hoʻāla ʻia ka galena i kāohi ʻia e ka cyanide e ka sodium sulfide a laila hōʻiliʻili ʻia e ka ethyl thionocarbamate e hoʻokō i ka hoʻokaʻawale ʻana o ke keleawe a me ke kēpau. I ka manawa like, hiki i ka sodium sulfide ke hoʻopili i ka hopena o nā mea hoʻoulu. No ka laʻana, hiki i ka nui o ka sodium sulfide ke hoʻopau i nā ion hana i loko o ka pulp, e hōʻemi ana i ka hopena hoʻāla o nā mea hoʻoulu.
I ka hopena, ʻo ka hoʻomaopopo ʻana i ka pili ʻana o ka sodium sulfide me nā reagents ʻē aʻe i ke kaʻina flotation he mea koʻikoʻi nui ia no ka hoʻomaikaʻi ʻana i ke kaʻina flotation, hoʻomaikaʻi i ka helu hoʻihoʻi a me ka helu o nā minela waiwai, a me ka hōʻemi ʻana i ke kumukūʻai o ka hoʻoili mineral. Pono e hoʻoponopono pono nā ʻenekini hoʻoheheʻe mineral i ka dosage a me ke kaʻina hoʻohui o nā reagents like ʻole e like me nā waiwai kikoʻī o ka ʻai e hoʻokō ai i nā hopena flotation maikaʻi loa.
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