Nā ʻŌmaʻomaʻo no ka Mining Gula: Sodium Cyanide Substitutes ma Indonesia

ʻOkoʻa Sodium Cyanide Eco-Friendly no ka Mining Gula ma Indonesia

ʻO Indonesia ka ʻāina nui loa ma ASEAN, me kahi ʻāina ʻo 1.919 miliona square kilometers a me kahi kai o 3.16 miliona square kilometers (koe ka ʻāpana waiwai kūʻokoʻa). Nui ka ʻāina i nā kumu waiwai mineral. ʻO nā minerala nui ka bauxite, nickel, one hao, keleawe, tin, gula, a me ke kālā; ʻO nā minelala non-metallic ka nui o ka lanahu, ka limestone, a me ka granite. Aia kekahi mau mālama o ka zinc, mercury, manganese, lead, kaolin, andesite, quartz sand, feldspar, dolomite, bentonite, zeolite, phosphate, a me ka gypsum. Eia nō naʻe, ma muli o ka ʻenehana hulihonua kahiko, nāwaliwali ka hana helu helu, a me ka maikaʻi ʻole o ka hoʻomohala ʻana i nā kumuwaiwai a me ka hiki ke hoʻohana, ʻaʻohe ʻike piha o ke aupuni i kāna mau waiwai ponoʻī. No ka manawa lōʻihi, ua hoʻomohala mua ʻia a hoʻohana ʻia nā kumuwaiwai mineral e nā hui haole. Wahi a nā helu helu mai ke Kuhina o ka Energy and Mineral Resources o Indonesia, ʻo ka mālama ʻana a me ka hāʻawi ʻana i nā kumulāʻau gula e like me kēia: ʻo nā mālama gula ma kahi o 1.91 miliona mau tons, me nā mea i hoʻopaʻa ʻia he 3.200 tons, ka mea i māhele ʻia ma Sumatra, Sulawesi, Kalimantan, a me Papua. Ma 2023. ʻo ka hana ʻana ma kahi o 132 tons, me ka 890 kilokani o nā pahu gula i lawe ʻia i waho. Ua hoʻokipa nui ʻia nā ʻoihana kālepa Kina a me nā mea hoʻopukapuka kālā. Ma Indonesia, hoʻokaʻawale ʻia nā mines gula i loko o nā mines gula alluvial a me nā ores oxidized. Hoʻohana nui ʻia ke kaʻina hana leaching puʻu i hoʻohana ʻia no nā ores oxidized ma muli o kāna hoʻopukapuka haʻahaʻa a me ka hoʻihoʻi wikiwiki. Eia nō naʻe, kaohi ʻia ke kūkulu ʻana i ka puʻu leaching e ke kūʻai ʻana, nā kumu ʻike, a me ka ʻenehana kūkulu hale, e alakaʻi ana i ka hapa nui o nā mea nona kaʻu e hoʻohana mua. ʻO Sodium cyanide.

ʻO nā ʻōmaʻomaʻo no ka ʻeli ʻana i ke gula: ʻo Sodium Cyanide Substitutes ma Indonesia cyanide sodium price substitute environmentally friendly gold selection agent leaching mining No. 1picture

Sodium cyanide ke kau nei i kekahi mau pilikia ma Indonesia. ʻO ka mea mua, he kiʻekiʻe ke kumukūʻai kūʻai, me ke kumukūʻai kūʻai ma kahi o 50.000 a 60.000 RMB no ka ton. Ka lua, ʻO ka sodium Cyanide he mea make loa; inhalation, ingestion, or dermal absorption hiki ke alakai i ka make nui. Ke kolu, ka sodium cyanide aia ma lalo o ke kānāwai koʻikoʻi e ke aupuni Indonesia, me ka ʻae ʻana a me ka hoʻokele ʻana no ke kūʻai aku, mālama ʻana, a me ka lawe ʻana. Hoʻomaopopo maikaʻi ʻia kēia mau pilikia e kā mākou mau mea hoʻopukapuka Kina, akā aia mau ka hemahema o nā hoʻonā ʻokoʻa.

E like me ka hoʻomaka ʻana o 2016. ua hoʻomohala ʻia kekahi mau mea hoʻoneʻe gula kūlohelohe i Kina a ua hoʻohana nui ʻia. ʻO Shaanxi United Chemical He hui e pili ana i ka hana a me ka noiʻi ʻana i nā derivatives hydrogen cyanide a nā mea hoʻoheheʻe gula ʻoluʻolu. Hiki i ka hana maoli o Shaanxi United's environmentally friendly gold extraction agents ke pani i ka sodium cyanide a ua kūʻai ʻia a hoʻohana ʻia ma nā ʻāina ʻoi aku ma mua o ʻumi o ka honua, e loaʻa ana ka mahalo nui mai nā mea kūʻai aku.

  1. ʻO nā hiʻohiʻona o nā mea hoʻoheheʻe gula kūlohelohe o Shaanxi United penei:

  2. he mau mea pili i ke kaiapuni a me nā hua ʻōmaʻomaʻo (i hoʻāʻo ʻia e nā keʻena mana, ua helu ʻia nā huahana i nā waiwai maʻamau);

  3. He kiʻekiʻe ko lākou hoʻihoʻi hou (kūpono no ka hoʻoheheʻe ʻana i ka puʻu, ka wai leaching, ka hoʻoulu ʻana i ka leaching, etc.);

  4. loaʻa iā lākou ke kūpaʻa maikaʻi (me nā stabilizer kūpono i hoʻohui ʻia e hōʻemi i ka hoʻopili ʻana mai nā mea ʻino e like me S a me As);

  5. loaʻa iā lākou ka nui o nā noi (hoʻohana ʻia i nā ores oxidized gula, ores mua, sulfuric slag, concentrates gula, anode mud, etc.);

  6. maʻalahi lākou e hoʻohana (pH waiwai o 10-12. hiki ke hoʻopili piha ʻia ke ʻano a me ke ʻano me nā kaʻina cyanide);

  7. ua kūpono ke kumu kūʻai, e hōʻemi nui ana i nā kumukūʻai hoʻolimalima i hoʻohālikelike ʻia me ka sodium cyanide.

Nā ʻōkuhi hoʻohana

1. Laulā noi:

  1. Nā ʻano Ore kūpono: ʻO ke gula a me ke kālā oxide ores, ores maoli, kiʻekiʻe-sulfur a me kiʻekiʻe-arsenic ores gula, cyanide tailings, gula concentrates, sulfuric acid koena, anode mud, etc.

  2. Nā ʻenehana hana mineral kūpono: Heap leaching, loko wai leaching, Kelepona-i loko o ka pulp (hoʻoheheʻe ʻia i hoʻoulu ʻia), a pēlā aku.

2. Hua Hua: ʻO ka pauka paʻa a i ʻole ke ʻano granular

3. Keʻano hoʻopau: E hoʻoheheʻe piha ʻia i loko o ka wai ma ka lumi wela ma mua o ka hoʻohana ʻana (ma ka maʻamau, hiki ke hoʻolōʻihi ʻia ka hoʻoheheʻe ʻana i ka wai kahe a i ʻole ma ka hoʻoulu ʻana; i ka wā o ka leaching puʻu, hiki ke kūkulu ʻia kahi wai dosing ma ka lihi o ka wai hoʻonā maikaʻi ʻole e hiki ai ke hoʻihoʻi i ka wai ma hope o ka hoʻōla kalapona hoʻōla e holoi i ka mea lawe gula i loko o ka wai hoʻonā maikaʻi ʻole).

4. Hoʻoponopono pH: ʻO ka maʻamau, hoʻohana ʻia ka lime a i ʻole ka sodium hydroxide e hoʻoponopono a mālama i ka waiwai pH ma waena o 10-12; i ka wā e emi ai ka waiwai pH wai hoʻihoʻi, pono e hoʻoponopono ʻia ka alkalinity i ka manawa kūpono; inā mau ka pH kiʻekiʻe (ʻoi aku ma mua o 12) no ka manawa lōʻihi, hiki ke alakaʻi i ka hoʻokumu ʻana i ka pālākiō alkaline e pili ana i ka adsorption kalapona i hoʻāla ʻia a i ʻole ke kumu o ka passivation wai e pili ana i ka pono leaching.

5. Helu helu:

  1. Hiki ke kuhikuhi ʻia ke ʻano mai ka nui o ka sodium cyanide, a ua manaʻo ʻia e hana i nā hoʻokolohua hoʻomaʻamaʻa mineral a nānā i nā kūlana maikaʻi loa (ma kahi o 1-2 g/t no nā ores oxide gula, me ka ʻike ʻana o ka mea lawe gula e mālama mau ʻia ma 0.3-0.8 ‰, hoʻoponopono ʻia e like me nā ʻano oka a me nā mea ʻino).

  2. Ke Kaʻina Hoʻohelu no ka Dosage: ʻO ke kumu hoʻohui o ka mea hoʻoheheʻe gula = (ka waiwai hoʻopaʻa maikaʻi loa - ka nui o ke ana ʻana i kēia manawa) × ka nui o ka wai i loko o ka wai dosing; no ka laʻana, inā ʻo 1.5‰ ka nui o ka hoʻopaʻa ʻana o ka mea hoʻoheheʻe gula (ma muli o ka nui o ka wai), a ʻo ka hoʻihoʻi ʻana o ka wai he 0.6‰, me 500 cubic mika o ka wai i loko o ka wai hoʻonā maikaʻi ʻole, a laila ʻo ke ʻano hoʻohui: (1.5 - 0.6) × 500 = 450 kg.

6. Ke kaʻina hana hoʻohana huahana: (Kulike me ka hoʻohana ʻana i ka sodium cyanide i nā kaʻina leʻaleʻa puʻupuʻu a me nā kaʻina leʻa kalapona)

  1. Heap Leaching a me Pond Leching Kaʻina: E ʻohi i ka ʻaila maka, hoʻopaʻa/wai ia, leach, adsorb me ka kalapona hoʻōla (zinc pauda pani), electrowinning, a me ka hoʻoheheʻe ʻana.

  2. Kaʻina Kalapona-i-Pulp (Hoʻohuʻi ʻia): E ʻoki i ka ʻaila maka, wili ʻia, ka leʻa kalapona, ka lanakila ʻana, a me ka hoʻoheheʻe ʻana.

ʻO ka hihia kūleʻa o ka mea hoʻoheheʻe gula hoʻoluʻu

Ua alakaʻi ka Lingbao Wenyu Gold Mine ma Henan i nā hoʻokolohua hoʻokolohua a me nā ʻoihana me ka hoʻohana ʻana i kahi ʻenehana reagent hoʻoheheʻe gula haʻahaʻa haʻahaʻa i kāna papahana cyanidation piha. Ua loaʻa i nā hoʻokolohua nā hōʻailona hana kūpono. I ka wā o ka wili ʻana i -0.074mm me kahi ʻike i ʻoi aku ma mua o 90%, ʻo ka helu o ka pulp he 40%, ʻo ka lime dosage he 3kg/t, ʻo ka manawa hoʻomaʻamaʻa alkaline he 2 mau hola, ʻo ke ʻano o ka lāʻau. mea hoʻoheheʻe gula ʻoluʻolu ʻO 600g / t, a ʻo ka manawa leaching he 24 mau hola, ʻo ka nui o ka leaching gula i hiki i 95.60%. Hōʻike nā hopena hoʻāʻo e hiki i kēia reagent ke pani i ka sodium cyanide i ke kaʻina ʻohi gula. I kēia manawa, hoʻohana ʻia ka reagent. Ke hoʻohālikelike ʻia me ka leaching cyanide, ua hoʻonui ʻia ka nui o ka leaching e 1.4%, ua hoʻemi ʻia ke ʻano o ka reagent e 200g/t, a ua pōkole ka manawa leaching ma mua o 12 mau hola. Eia kekahi, ua hōʻike ʻia ka loiloi leaching toxicity o nā huelo mai ka mea hoʻomaʻamaʻa gula leaching e pili ana i nā waiwai leaching toxicity o cyanide, copper, lead, zinc, a me arsenic i loko o nā huelo i loko o nā palena maʻamau, e ʻae ana i ka hoʻokuʻu pololei ʻana me ka ʻole o ka pono no ka mālama detoxification.

E pili ana i ka hoʻohana ʻana o mea koho gula pili kaiapunis, pono e loaʻa i kahi ʻenehana loea e hana i nā hoʻokolohua i ka wā mua o ka mining. ʻO kēia no ka mea e loaʻa nā hopena like ʻole me nā mea koho koho. Pono e hoʻoholo ʻia ka dosage kūpono a inā paha e hoʻohui i nā mea kemika ma muli o nā hoʻokolohua mua. I loko o kēia manawa, Shaanxi United Chemical e hāʻawi i nā lawelawe kūpono a pau e kōkua iā ʻoe i ka hoʻopau ʻana i nā hoʻokolohua.

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