MAKAHIKI TON KEMIKALE E kālele ana ma ka alumina kemika

ʻO ke ʻano hana o ka hana ʻana i ka alumini hydroxide

Hoʻohana: i ka hana ʻana o ka alumini hydroxide. ʻO ka alumini hydroxide hana hou i kuʻi ʻia i ka mahu ma 120 a 250°C, hoʻopili ʻia ka hui ʻana o ka profilebuy a hoʻomānoanoa e loaʻa ai kahi wai hoʻokuʻu me ka nui o nā mea paʻa o 50 a 300 g/l a me ka sodium oxide i loko o ka pae wai o 0.05 - 5 g/l. Hoʻokomo ʻia ka wai hoʻokuʻu i loko o kahi hopena aluminate supersaturated, e kau ana i ka extract i loaʻa ka hoʻokuʻu ma lalo o ka hoʻoulu ʻana, e hoʻokaʻawale ana i ka alumini hydroxide i hoʻokaʻawale ʻia mai ka wai makuahine a holoi ʻia. 1 Cp f-crystals, 1 Il., papa 1.

 

Pili ka mea i hana ʻia i ka hana ʻana o ka alumini hydroxide, a ma ke ʻano kikoʻī i ka hana ʻana o ka alumini hydroxide maikaʻi mai nā hopena wai o ka sodium aluminate.

 

ʻO ke ʻano hana no ka loaʻa ʻana o ka alumini hydroxide maikaʻi [1] kahi e hana ʻia ai ke kaʻina hana i ʻelua mau pae. I ke kahua mua, ua hoʻopau ʻia ka hopena aluminate me ka waikawa hydrochloric, a ua hoʻohana ʻia ka hopena alumini hydroxide ma ke ʻano he decomposition hua o ka supersaturated aluminate solution decomposition i ke kahua ʻelua. ʻO ka hopena, ʻo ka alumini hydroxide me ke ʻano o ka hydrargillite, i hoʻohana ʻia no nā kumu like ʻole, no ka laʻana no ka prigotovit kahi hopena o ka neutralization o ka hopena caustic alkali aluminate. ʻO ka hopena o ka hopena alumini hydroxide ua hōʻike ʻia e ka hoʻolaha kiʻekiʻe a me ke ʻano amorphous o nā ʻāpana, e hōʻike ana i kāna hana hua kiʻekiʻe i ka decomposition o nā hopena aluminate.

 

Eia nō naʻe, hiki ke hana ʻia kēia ʻano hana o ka hua i ka wā e hoʻohana ai i nā hopena aluminate i hoʻomākaukau kūikawā ʻia, ʻaʻohe ona haumia. A i ʻole, hoʻopili ka aluminium hydroxide hopena i nā haumia mai ka hopena a emi iho ka hana o ka hua. Eia kekahi, me ka hoʻokō ʻana o kēia ʻano hana ma muli o ka wikiwiki o ka hoʻonohonoho ʻana a me ke kānana ʻana i ka hua, ua lawelawe ʻia ka alumini hydroxide hua ma ke kahua ʻelua ma ke ʻano o kahi hoʻokuʻu. I kēia hihia, hāʻule nā ​​​​mea a pau i hana ʻia ma ke kahua mua o ka paʻakai ma ke kahua ʻelua, e hoʻohaumia ana i ka huahana mua a e kaʻapuni ana i ka ʻāpana o nā hopena hana.

 

ʻO ka mea kokoke loa i ka mea i hana ʻia i ke ʻano loea a me ka hopena i loaʻa ʻia he ʻano hana no ka loaʻa ʻana o ka alumini hydroxide maikaʻi e like me ka hoʻohana ʻana i ka alumini hydroxide hua, i wili ʻia i ka ʻili kikoʻī, ʻoi aku ma mua o 1 m2/g, ʻoiai ua hoʻokomo ʻia ka hua i loko o ka hopena aluminate ma kahi nui i ʻike ʻia ai ka ʻili holoʻokoʻa i kona kemika a no laila, ua haʻahaʻa ka hana o ka hua, kahi e pono ai ka hoʻohana ʻana i nā nui he nui o ka hua a me nā kumukūʻai ikehu kiʻekiʻe i kona hoʻomākaukau ʻana.

 

ʻO ke kumu o ka mea i hana ʻia, ʻo ia ka hoʻomohala ʻana i kahi ʻano hana no ka hoʻomākaukau ʻana i ka alumini hydroxide hua, ka mea e hōʻoiaʻiʻo ai i kāna hana hua kiʻekiʻe a me ka maʻemaʻe kemika, kahi e alakaʻi ai i ka hoʻemi ʻana i ka hoʻohana ʻana i nā kumuwaiwai mea a me ka ikehu.

 

No kēia kumu, ʻo ke ʻano o ka hana ʻana i ka alumini hydroxide, me ka wili ʻana i ka hua alumini hydroxide, ke kāwili ʻana i ka hua i kuʻi ʻia me ka hopena supersaturated a unuhi i ka hopena o ka hoʻokuʻu ʻana me ka hoʻoulu ʻana, ka hua alumini hydroxide i kuʻi ʻia ka mahu ma 120-250e pili anaC. condense profilebuy mix me ka wai hoʻokuʻu e loaʻa ana he 50-300 kg/m3ka pauka alumini hydroxide, i hoʻohana ʻia ma ke ʻano he hua.

 

ʻO ka nui kūpono o ka sodium oxide i loko o ka pae wai o ka hoʻokuʻu ʻana e mālama ʻia ma waena o 0.05 a 5 g/L.

 

Ke wili ʻana i ka mahu aluminum hydroxide ma 120-250e pili anaHāʻawi i ka loaʻa ʻana o ka alumini hydroxide maʻemaʻe kemika i ka hana hua kiʻekiʻe. E noiʻi i ka helu o nā māwae, nā ʻāpana a me nā ledges, nona kahi ʻano amorphous.

 

ʻO ke ʻano o ka ʻili i kuhikuhi ʻia e hoʻoholo ai i kāna hana hua kiʻekiʻe i ka wā e hoʻohana ai i ka alumini hydroxide ma ke ʻano he hua.

 

Hoʻokō ʻia ka hopena kiʻekiʻe loa ke hiki i ka mahana o ka mahu i loko o ke keʻena wili 120-250e pili anaC.

 

Ke hāʻule ka mahana ma lalo o 120e pili anaMe ka hana kemika o ka ʻili o ka alumini hydroxide i kuʻi ʻia ua like ia me nā ʻano hana wili ʻē aʻe.

 

Piʻi ka mahana ma luna o 250e pili anaʻAʻole ia e hoʻonui i ka hana kemika o ka ʻili, akā naʻe, e ulu ana ke kumukūʻai o ka ikehu wela ma ka hoʻomākaukau ʻana o ka hua.

 

I ka wā i loaʻa ai ka ʻike paʻa i loko o ka hoʻokuʻu wai ma hope o ka hui ʻana o ka condensation paraphilias, 50-300 g/l hua hana hoʻokuʻu kiʻekiʻe loa.

 

ʻO ka emi ʻana o ka nui o nā mea paʻa i loko o ka hoʻokuʻu ʻana ma lalo o 50 g/l ʻaʻohe hopena i kāna hana ʻōlohelohe, akā i ke kaʻina hana ua hoʻolauna ʻia kahi nui o ka wai, kahi e pono ai ke kumukūʻai hou no kona mahu ʻana.

 

Ke emi nei ka hoʻonui ʻana i ka nui o nā mea paʻa i loko o ka wai ma luna o 300 g/l o kāna hana ʻōlohelohe. Hoʻokumu ʻia kēia e ka emi ʻana o ka x he ʻano acid-base.

 

ʻO ka nui o ka sodium oxide i loko o ka pae wai o ka hoʻokuʻu wai ma ka pae o 0.05-5 g/l e hāʻawi i kāna hana hua kiʻekiʻe loa.

 

Ua kaupalena ʻia ka palena haʻahaʻa o ka noʻonoʻo ʻana e ka nui o ka intracrystalline alkali-washed aluminum hydroxide, e hele mai ana i ka wili ʻana.

 

Ke hoʻemi ʻia ka nui o ka sodium oxide ma luna o 5 g/l, ua hoʻemi ʻia ka hana hoʻokuʻu ʻana o ka hua ma muli o ka hoʻoheheʻe ʻia ʻana o nā ʻano amorphous o ka ʻili o ka hua.

 

Hoʻokō ʻia ke ʻano hana i manaʻo ʻia no ka hana ʻana i ka alumini hydroxide me ka hoʻohana ʻana i nā lako hana i hana ʻia a hoʻohana ʻia ma nā hale hana home: ʻano wili jet ʻano ES-06; SP-1, etc.

 

I loko o ka wili jet, hana ʻia ka wili ʻana me ka ʻole o ka hoʻohana ʻana i nā mea wili i hoʻohana ʻia ke kumumanaʻo o ka mea uahi i ka wā e kuʻi ai nā ʻāpana. Pono ka hoʻohana ʻana i nā wili jet e hōʻoia i nā palena i manaʻo ʻia o ke kaʻina hana a loaʻa ka hopena loea i koi ʻia.

 

I loko o ka boron e hāʻawi i ka hoʻoluʻolu i nā kānaka e kahe ana. Hoʻoluʻolu o ka wai i hana ʻia. Ke hoʻopili ʻia kēia mahu a hana i kahi hoʻokuʻu ʻana o ka alumini hydroxide i loko o ka wai, kahi ma hope o ka condensation e hoʻohana ʻia ma Kea.

 

ʻO ka aluminiuma hydroxide mai ka hopper 1 e kahi wili 2 e hānai ʻia i ka wili jet paipu wikiwiki 3. ʻO ka hoʻolalelale ʻana i nā paipu aluminia hydroxide e hoʻolalelale i ke kaomi mahu. ʻO nā ʻāpana e kuʻi ana i nā kaola e kuʻi ana e kuʻi, kuʻi a lawe ʻia i waho i ka mahu i loko o kahi mea hoʻokaʻawale centrifugal 4. Hoʻihoʻi ʻia nā ʻāpana nui i ka wili ma Dorisol, a kuʻi ʻia i ka nui o ka ʻāpana i makemake ʻia e mālama ʻia i loko o ka ʻōnaehana hōʻiliʻili lepo 5. Hoʻomaʻalili ʻia ke kahawai Paraphilias, hoʻopili ʻia, hoʻopili ʻia ka wai hoʻoheheʻe 6 i loko o ka thickener 7, hui ʻia me ka hopena aluminate supersaturated 8 a komo i loko o ka reactor 9, kahi e mālama ʻia ma lalo o ka hoʻoulu ʻana. Ma hope o ka hoʻomoʻa ʻana, hoʻokaʻawale ʻia ka aluminia hydroxide mai ka wai makuahine i loko o ke kānana 10, holoi ʻia a hoʻouna ʻia i ka mea kūʻai.

 

ʻO ka hoʻohālikelike ʻana i ka ʻikepili mai nā hoʻokolohua he nui e hōʻike ana i ka wili ʻana o ka alumini hydroxide i loko o ka mīkini wili jet ma 120-250e pili anaMe ka hoʻohana ʻana ma hope o ka hoʻokuʻu wai o ka pauka i loaʻa he 50-300 g/l paʻa e like me ka hua, hoʻomaikaʻi i ka pono o ke kaʻina hana a me ka maikaʻi o ka huahana i hoʻopau ʻia ma muli o ka hana ʻana o ka hua maʻemaʻe kemika, ka hana hua kiʻekiʻe.

 

ʻO Industrial Prime p 1 kg o ka alumini hydroxide me ka nui o ke aniani awelika o 40 μm ka mahu i hoʻoheheʻe ʻia i loko o kahi wili jet hoʻokolohua. ʻO ka mahana o ka mahu ma ke komo ʻana i ka wili jet he 160e pili anaMe ke kaomi o 7 MPa. ʻO ka mahana i loko o ke keʻena wili 140e pili anaC. ʻO ka awelika o ka nui o nā kristal ma hope o ka wili ʻana i ka 2.0 μm.

 

ʻO ka pauka alumini hydroxide, i hana ʻia ma ke ʻano o ka hui paraphilias, hopu ʻia i loko o ke ʻano kiʻiʻoniʻoni me ka boron. ʻO ka condensation o ka mahu i hana ʻia e ka wai anuanu i loko o ka boron. Ma hope o ka condensation, ua loaʻa i ka poʻe kahe he 10 l o kahi hoʻokuʻu e loaʻa ana he 100 g/l o ka pauka alumini hydroxide a me 0.4 g/l o ka sodium oxide i loko o ka pae wai.

 

Ua hui pū ʻia ka 0,04 l o ka wai hoʻoheheʻe ʻia me 1 lita o ka hopena aluminate e loaʻa ana, g/l: Na2Oku130,9; ʻAl2O3137,2; ʻAʻole2CO320,3; NaCl 12,2; Na2SO45,4; kalapona organik (Corg.) 12,4. Hoʻokomo ʻia ka hopena o ka hoʻokuʻu ʻana i loko o kahi reactor a mālama ʻia ma lalo o ka hoʻoulu ʻana ma 55e pili anaC no 24 hola

 

ʻO ke kekelē o ka decomposition o ka aluminate solution he 50.2% o ka nui o ka hana ʻana o ka alumini hydroxide 109,4, ʻo ka awelika o ka nui o nā kristal i loko o ka sediment he 3.6 μm, ʻo ka nui o nā mea haumia i loko o ka alumini hydroxide, Na2ʻO 0,42; Fe2O30,021; SiO20,018.

 

ʻO nā hopena o nā hoʻokolohua i loko o nā ʻōnaehana i manaʻo ʻia, kūpono a ma ʻō aku o C ka pono o ka decomposition i hoʻokō ʻia ma kahi mahana i loko o ke keʻena wili 120-250e pili anaMe, ʻo ka nui o ka alumini hydroxide i kuʻi ʻia i loko o ka wai hoʻokuʻu ʻia he 50-300 g/l a me ka nui o ka sodium oxide i loko o ka pae wai o ka wai hoʻokuʻu ʻia he 0.05-5 g/L.

 

1. ʻO ke ʻano hana o ka hana ʻana i ka ALUMINUM HYDROXIDE, me ka wili ʻana i ka hua aluminum hydroxide, ka hoʻohuihui ʻana i ka hua aluminum hydroxide i kuʻi ʻia mai kahi hopena aluminate supersaturated, ka hoʻomānoanoa ʻana i ka hopena o ka hoʻokuʻu ʻana me ka hoʻoulu ʻana, ua hoʻokuʻu ka 'Oihana i ka alumini hydroxide mai ka waiʻona makuahine a me ka holoi ʻana, i hōʻike ʻia ma ka wili ʻana o ka alumini hydroxide i hana ʻia me ka mahu ma 120 250oMe ke kiʻi i loaʻa, kūʻai i ka hoʻokuʻu ʻana e hoʻopili a hoʻomānoanoa e loaʻa ai kahi hoʻokuʻu wai me ka nui o nā mea paʻa o 50 a 300 g/l a hoʻokomo ʻia i loko o ka hopena supersaturated.

 

2. ʻO ke ʻano hana e like me ka ʻaoʻao 1, i hōʻike ʻia ma ka mālama ʻia ʻana o ka nui o ka sodium oxide i loko o ka pae wai o ka hoʻokuʻu wai i loko o ka pae o 0.05 a 5.0 g/L.


Ka manawa hoʻouna: Iulai-09-2020
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