Ma ke ao nei, he mau pono a he mau pōʻino ko nā mea āpau. ʻO ka holomua o ke kaiāulu a me ka hoʻomaikaʻi ʻana i ke kūlana ola o kānaka ke alakaʻi mau nei i ka haumia o ke kaiapuni. ʻO ka wai ʻino kekahi o ia mau pilikia. Me ka wikiwiki o ka hoʻomohala ʻana o nā ʻoihana e like me nā petrochemicals, nā lole, ka hana pepa, nā pesticides, nā lāʻau lapaʻau, ka metallurgy, a me ka hana ʻana i ka meaʻai, ua piʻi nui ka hoʻokuʻu ʻana o ka wai ʻino ma ka honua holoʻokoʻa. Eia kekahi, loaʻa pinepine i ka wai ʻino nā ʻano kiʻekiʻe, ka ʻawaʻawa kiʻekiʻe, ka paʻakai kiʻekiʻe, a me nā ʻāpana kala kiʻekiʻe, e paʻakikī ai ke hoʻohaumia a mālama ʻia, e alakaʻi ana i ka haumia nui o ka wai.
No ka hoʻoponopono ʻana i nā nui nui o ka wai ʻino ʻoihana i hana ʻia i kēlā me kēia lā, ua hoʻohana ka poʻe i nā ʻano hana like ʻole, e hoʻohui ana i nā ʻano kino, kemika, a me nā mea olaola, a me ka hoʻohana ʻana i nā mana e like me ka uila, ke kani, ka mālamalama, a me ka magnetism. Hōʻuluʻulu kēia ʻatikala i ka hoʻohana ʻana o ka "uila" i loko o ka ʻenehana mālama wai electrochemical e hoʻoponopono ai i kēia pilikia.
ʻO ka ʻenehana mālama wai electrochemical e pili ana i ke kaʻina hana o ka hoʻohaʻahaʻa ʻana i nā mea haumia i loko o ka wai hoʻoneoneo ma o nā hopena electrochemical kikoʻī, nā kaʻina hana electrochemical, a i ʻole nā kaʻina hana kino i loko o kahi reactor electrochemical kikoʻī, ma lalo o ka mana o nā electrodes a i ʻole kahi kahua uila i hoʻopili ʻia. He maʻalahi nā ʻōnaehana electrochemical a me nā lako, noho i kahi kapuaʻi liʻiliʻi, loaʻa nā kumukūʻai hana a me ka mālama haʻahaʻa, pale pono i ka haumia lua, hāʻawi i ka hiki ke hoʻokele kiʻekiʻe o nā hopena, a kūpono i ka automation ʻoihana, e loaʻa ana iā lākou ka lepili o ka ʻenehana "aloha i ke kaiapuni".
Hoʻokomo pū ka ʻenehana mālama wai electrochemical i nā ʻano hana like ʻole e like me ka electrocoagulation-electroflotation, electrodialysis, electroadsorption, electro-Fenton, a me ka electrocatalytic advanced oxidation. He ʻokoʻa kēia mau ʻano hana a he pono nā noi a me nā wahi o kēlā me kēia.
Electrocoagulation-Electroflotation
ʻO ka electrocoagulation, ʻo ia hoʻi, he electroflotation, ʻoiai ke hana ʻia nei ke kaʻina hana coagulation me ka flotation. No laila, hiki ke kapa ʻia ʻo "electrocoagulation-electroflotation."
Hilinaʻi kēia ʻano hana i ka hoʻopili ʻana o kahi uila uila waho, kahi e hoʻopuka ai i nā cation hiki ke hoʻoheheʻe ʻia ma ka anode. Loaʻa i kēia mau cation kahi hopena coagulating i nā mea haumia colloidal. I ka manawa like, ua hana ʻia kahi nui o ke kinoea hydrogen ma ka cathode ma lalo o ka mana o ka uila, kahi e kōkua ai i ka mea flocculated e piʻi i luna. Ma kēia ʻano, hoʻokō ka electrocoagulation i ka hoʻokaʻawale ʻana o nā mea haumia a me ka hoʻomaʻemaʻe ʻana i ka wai ma o ka anode coagulation a me ka cathode flotation.
Ma ka hoʻohana ʻana i kahi metala ma ke ʻano he anode hiki ke hoʻoheheʻe ʻia (ʻo ia hoʻi ka alumini a i ʻole ka hao), ʻo nā ion Al3+ a i ʻole Fe3+ i hana ʻia i ka wā o ka electrolysis e lawelawe ma ke ʻano he mau coagulants electroactive. Hana kēia mau coagulants ma ke kaomi ʻana i ka papa pālua colloidal, e hoʻopau ana iā ia, a me ke alahaka a me ka hopu ʻana i nā ʻāpana colloidal ma o:
Al -3e→ Al3+ a i ʻole Fe -3e→ Fe3+
Al3+ + 3H2O → Al(OH)3 + 3H+ a i ʻole 4Fe2+ + O2 + 2H2O → 4Fe3+ + 4OH-
Ma kekahi ʻaoʻao, ua kapa ʻia ka coagulant electroactive i hoʻokumu ʻia ʻo M(OH)n he mau complexes hydroxo polymeric soluble a hana ma ke ʻano he flocculant e hoʻopili koke a maikaʻi i nā colloidal suspensions (nā kulu aila maikaʻi a me nā haumia mechanical) i loko o ka wai hoʻoneʻe ʻoiai e hoʻopili ana a hoʻopili iā lākou e hana i nā aggregates nui aʻe, e wikiwiki ana i ke kaʻina hana hoʻokaʻawale. Ma kekahi ʻaoʻao, ua hoʻopaʻa ʻia nā colloids ma lalo o ka mana o nā electrolytes e like me ka alumini a i ʻole nā paʻakai hao, e alakaʻi ana i ka coagulation ma o ka hopena Coulombic a i ʻole ka adsorption o nā coagulants.
ʻOiai he mau minuke wale nō ka hana electrochemical (lifespan) o nā coagulants electroactive, hoʻopilikia nui lākou i ka hiki ke pālua, no laila e hoʻopuka ana i nā hopena coagulation ikaika ma nā ʻāpana colloidal a i ʻole nā ʻāpana i hoʻokuʻu ʻia. ʻO ka hopena, ʻoi aku ka kiʻekiʻe o ko lākou hiki ke adsorption a me ka hana ma mua o nā ʻano kemika e pili ana i ka hoʻohui ʻana i nā reagents paʻakai alumini, a koi lākou i nā nui liʻiliʻi a he haʻahaʻa nā kumukūʻai. ʻAʻole hoʻopilikia ʻia ka Electrocoagulation e nā kūlana o ke kaiapuni, ka mahana o ka wai, a i ʻole nā mea haumia biological, a ʻaʻole ia e hana i nā hopena ʻaoʻao me nā paʻakai alumini a me nā hydroxides wai. No laila, he laulā pH kona no ka mālama ʻana i ka wai hoʻoneoneo.
Eia kekahi, ʻo ka hoʻokuʻu ʻia ʻana o nā pehu liʻiliʻi ma ka ʻili cathode e hoʻolalelale i ke kuʻi ʻana a me ka hoʻokaʻawale ʻana o nā colloids. ʻO ka electro-oxidation pololei ma ka ʻili anode a me ka electro-oxidation ʻole o Cl- i loko o ka chlorine hana he mau mana oxidative ikaika i nā mea organik hiki ke hoʻoheheʻe ʻia a me nā mea inorganic hiki ke hoʻemi ʻia i loko o ka wai. ʻO ka hydrogen i hana hou ʻia mai ka cathode a me ka oxygen mai ka anode he mau mana redox ikaika.
ʻO ka hopena, he paʻakikī loa nā kaʻina hana kemika e hana nei i loko o ka reactor electrochemical. I loko o ka reactor, hana like nā kaʻina hana electrocoagulation, electroflotation, a me electrooxidation, e hoʻololi pono ana a wehe i nā colloids i hoʻoheheʻe ʻia a me nā mea haumia i hoʻokuʻu ʻia i loko o ka wai ma o ka coagulation, flotation, a me ka oxidation.
Xingtongli GKD45-2000CVC Electrochemical DC POWER SUPPLY
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Nā kiʻi huahana:
Ka manawa hoʻouna: Sep-08-2023
