Noi o Polyacrylamide i ka mining

11

Hoʻohana ʻia ʻo Polyacrylamide i ka mining a me ka hana ʻana o ka lānahu, ke gula, ke kālā, ke keleawe, ka hao, ka zinc, ka uranium, ka nickel, ka phosphorus, ka potassium, ka manganese a me nā minelala ʻē aʻe a me nā kaʻina hana huelo. ʻO ke kumu nui e hoʻomaikaʻi i ka pono a me ka helu hoʻihoʻi o ka hoʻokaʻawale-wai paʻa; Mawaena o lakou, i ka lanahu hana, ka sedimentation a me ka wehewehe ana o ka lānahu slurry a me nā huelo, ka paa-wai kaawale ana i ke kaʻina hana o ka huelo kānana a me ka centrifugation; i ke gula a i ʻole ke kālā a i ʻole nā ​​mines keleawe, ka sedimentation agena i hoʻohui ʻia e ka mānoanoa ma mua o ka pahu kānana; i ka waiwai PH Ma lalo (ma lalo o 4) nā wai o ka mineral, e like me ka lead-zinc ore, hoʻohana ʻia e like me nā mea hoʻoliʻiliʻi sedimentation, a pēlā aku.

Pau ka nui o ka wai i ka ʻoihana mining:

(1) ʻO ke kumu nui o ka holoi ʻana a me ka flotation ʻana o ka hoʻohana ʻana i ka ʻokoʻa i ke kino a me nā waiwai kemika o ka ʻili mineral e hana i hoʻokahi a i ʻole hui o nā minelala i ka minia e hoʻopili pono i nā huʻa a lana i ka papa o ka mea , E hoʻokaʻawale ʻia nā Minerala mai nā minela gangue. Nui nā minelala e like me ka hao, lānahu, phosphate, zinc, uranium, one, a pēlā wale nō e hoʻohana i kēia kaʻina hana. I kēia manawa, nā flocculants i:

1. E hoʻokaʻawale i ka wai mai ka gangue e hoʻohana i ka hoʻohana hou ʻana i ka wai;

Dewatering i kekahi mau o ka sludge i hana ʻia e ka sedimentation gangue;

-Inā hoʻokuʻu ʻia ka mineral pono i loko o ka wai, hoʻokaʻawale iā ia mai ka wai.

(2) I ke kaʻina hana, hoʻoheheʻe ʻia nā minelala hao i kekahi manawa i ka waikawa a i ʻole alkali. I kēia manawa,

Hoʻohana ʻia nā Flocculants e flocculate a hoʻokaʻawale i nā impurities i hoʻopau ʻole ʻia, a hoʻihoʻi ʻia nā metala i ke ʻano o nā hydroxides a i ʻole nā ​​paʻakai. Hoʻohana pinepine ʻia nā flocculants hana i luna. Hoʻohana i nā hopena acidic a i ʻole paʻakai nui.

  • Hoʻoipo tailailings

ʻO ka wai hoʻowahāwahiku ka hoʻopili ʻana i ka wai beneficiation, slurry tailings a me kaʻu wai hoʻoheheʻe. Nui aʻe nā paʻa i kāpae ʻia i ka wai wili tailings, a ʻo ka ʻike o nā minela hiki ke hoʻohana ʻia i loko o nā mea paʻa paʻa. ʻAʻole hiki ke hoʻokaʻawale hou ʻia ka ʻenehana i kēia manawa a lilo i wai wao hope loa o ka huelo. I kēia manawa, mālama nui ʻia nā huelo e ka mānoanoa a me ka press filter dewatering sludge (e like me ka press filter belt, pā a me ka press filter frame, kānana pālolo, a pēlā aku.). ʻO nā mea paʻa paʻa i lilo i pala pala ma hope o ka hana ʻia ʻana e ka mīkini paʻi. Komo hou ka wai i kānana ʻia kaomi i ka ʻōnaehana beneficiation no ka hana hou ʻana. Hoʻomaʻamaʻa i ke kaʻina hana o ka wai huewai pōmaikaʻi beneficiation: Ma hope o ka beneficiation wastewater ua coagulated me ka inorganic flocculant, nā mea ʻāpana maikaʻi i loko o nā mea paʻa paʻa i coagulate i loko o kahi liʻiliʻi nui o nā huna liʻiliʻi, a laila e komo i ka pahu sedimentation ma hope o ka hopena flocculation me ka polyacrylamide flocculate precipitant, a me ka sediment Ma hope o ka hele ʻana ma waena o ka mānoanoa i loko o ka pahu hoʻāhu, e kīkē ʻia ka lepo i hoʻohui ʻia e ka pauma lepo, a hoʻohui hou ʻia ka polyacrylamide no ka hopena flocculation lua, a laila komo i ka mīkini paʻi (hoʻohana ka hapa nui i kahi kaomi kānana kāʻei, ʻoi aku ka maikaʻi) no ka hoʻokaʻawale ʻana i ka wai lepo. Komo ka wai hoʻokaʻawale i ka ʻōnaehana holo a hoʻokuʻu ʻia ka lepo no ka landfill a hoʻohana ʻana paha. Hoʻohana ka hapanui o ka wai huewai huelo i anionic polyacrylamide me ka paona mole o 15 miliona a i ʻole 18 miliona no ka mālama ʻana, a hoʻohana kekahi i ka polyacrylamide non-ionic me ka paona molaki o 12 miliona. ʻO ke kumumanaʻo o polyacrylamide i ka mālama ʻana i ka wai hoʻonoe huelo: hopu ʻia ke kaulahao molekole lōʻihi o polyacrylamide a hoʻolaha ʻia nā mea i loko o ka wai i loko o nā huna ākea ma o nā ʻano hana e like me ka bridging adsorption, ka hopu ʻana i ka ʻupena, a me ka neenee uila. Loaʻa i nā hunaahi nui kahi umekaumaha kikoʻī nui a hiki ke neʻe wikiwiki i ka wai. Hoʻonohonoho, i mea e loaʻa ai ka hopena o ka hoʻokaʻawale ʻana i nā mea i kāpae ʻia a me ka wai, ʻo ka flocculation lua e hoʻopili i nā huna ākea e flocculate i ka lua o ka manawa e hoʻonui i nā flocs, a laila hoʻonui i ka pono hana o ka mīkini paʻi.

 

 


Ka manawa o ka manawa: Mar-27-2021
WhatsApp Online eʻauʻau kai!