Hoʻohana ʻia nā ʻano membrane like ʻole i ka ʻoihana mālama wai, a ʻo nā mea maʻamau ka ultrafiltration membranes a me ka reverse osmosis membranes. ʻO nā membrane ultrafiltration ʻelua a me nā membrane reverse osmosis nā mea hoʻohana i nā lako mālama wai. ʻO ka nui o ka pore o ka reverse osmosis membrane he 1/100 wale nō ia o ka ultrafiltration membrane, no laila hiki i ka reverse osmosis wai nā mea lapaʻau wai hiki ke hoʻopau pono i nā metala kaumaha, pesticides, chloroform, a me nā mea haumia ʻē aʻe i ka maikaʻi o ka wai. ʻAʻole mana nā mea hoʻomaʻemaʻe wai Ultrafiltration. Hiki i ka mea hoʻomaʻemaʻe wai ultrafiltration ke hoʻoneʻe i nā pollutant particulate a me nā bacteria, hiki ke hoʻoneʻe ʻia e ka reverse osmosis.
1. ʻO ka ʻokoʻa o nā waiwai ma waena o ka membrane ultrafiltration a me ka membrane reverse osmosis:
ʻO ka reverse osmosis membrane he membrane semi-permeable artificial me kekahi mau hiʻohiʻona i hana ʻia e ka hoʻohālikelike ʻana i kahi membrane semi-permeable biological. Hana ʻia me nā mea polymer. ʻO ke anawaena o nā pores membrane ma waena o 0.5 a me 10 nm, a pili ka permeability i ke ʻano kemika o ka membrane ponoʻī.
ʻO ka membrane Ultrafiltration kahi ʻano o ka membrane kānana microporous me ka nui o ka nui o ka pore kikoʻī a me ka nui o ka pore nui o 0.001-0.02 microns. ʻO ka hoʻohana ʻana i ke kaomi kūpono ma kekahi ʻaoʻao o ka membrane hiki ke pale i nā molekala solute liʻiliʻi ma mua o ka nui o ka pore e hoʻokaʻawale i nā ʻāpana me ke kaumaha molekala ʻoi aku ka nui ma mua o 500 Daltons (nā ʻāpana atomika) a me ka nui o ka nui ma mua o 10 nanometer. ʻO ka membrane ultrafiltration kekahi o nā membrane hoʻokaʻawale polymer mua i kūkulu ʻia, a ua hana ʻia ka mea hana ultrafiltration i nā makahiki 1960.
2. ʻO nā pono a me nā pōʻino o ka membrane ultrafiltration a me ka membrane reverse osmosis:
ʻO nā mea maikaʻi o ka ultrafiltration: maʻamau ʻaʻohe pamu, ʻaʻohe mana mana, ʻaʻohe pilikia palekana uila; liʻiliʻi nā hui, haʻahaʻa ka wai, haʻahaʻa haʻahaʻa haʻahaʻa, a me ka hiki ke kahe wai; hale maʻalahi a me ke kumu kūʻai haʻahaʻa;
Nā pōʻino: ka hopena maikaʻi ʻole o ka wehe ʻana i nā mea haumia kemika i ka wai; hopena maikaʻi ʻole i nā hanana kūikawā o ka hoʻolako wai; ka ʻono iki o ka wai; ʻaʻole hiki ke hōʻemi i ka paʻakikī o ka wai, e like me ka paʻakikī kiʻekiʻe o ka wai paipu, hiki ke ʻino ka ipu wai paila.
Hiki i ka membrane Ultrafiltration ke wehe i nā macromolecules, colloids, proteins, particles, etc. Ma ka hoʻāʻo ʻana i ka hopena lapaʻau o ka mea hollow fiber ultrafiltration membrane no ka hoʻomaʻemaʻe hohonu o ka wai, ua hōʻike ʻia e hiki i ka ultrafiltration membrane wai hoʻomaʻemaʻe ke hoʻopau pono i ka lua o ka haumia o ka wai i loko o ka pūnaewele paipu a hoʻomaikaʻi hou i ka maikaʻi o ka wai.
ʻO nā mea maikaʻi o ka reverse osmosis wai lāʻau lapaʻau: maikaʻi ka wai maikaʻi, hiki ke hoʻopau pono i nā ʻano mea ʻino ʻino i ka maikaʻi o ka wai; ka hopena maikaʻi no nā hanana kūikawā o ka hoʻolako wai; ʻoi aku ka maikaʻi o ka wai; hiki ke hoʻemi pono i ka paʻakikī o ka maikaʻi o ka wai, a ʻaʻole maʻalahi ka palaki ʻana o ka ipu wai paila;
Nā pōʻino: nā paila, ka hoʻohana mana, nā pilikia palekana uila; ka nui o na ami, ke kaomi wai ki'eki'e, ki'eki'e ka hā'ule 'ole, a me ka leakage wai; hale paʻakikī, a me ke kumu kūʻai pipiʻi.
3. Ka hoʻohana ʻana o ka membrane ultrafiltration a me ka membrane reverse osmosis:
ʻO ka laulā hoʻohana o ka membrane reverse osmosis
ʻO ka uila, ka petrochemical, ka hao a me ke kila, ka uila, ka lāʻau lapaʻau, ka meaʻai a me ka mea inu, ka hoʻokele aupuni a me ka mālama ʻana i ke kaiapuni a me nā māla ʻē aʻe, i ka desalination o ke kai a me ka wai brackish, ka wai hānai paila, ka wai maʻemaʻe ʻenehana a me ka hoʻomākaukau ʻana i ka wai maʻemaʻe ultra-maʻemaʻe.
Ka hoʻohana ʻana o ka membrane ultrafiltration
Hoʻohana ʻia ka wai maʻemaʻe a me ka wai ultrapure e like me ka reverse osmosis pretreatment a me ka ultrapure water terminal treatment i ka hoʻomākaukau ʻana; hoʻohana ʻia ka wai ʻoihana e hoʻokaʻawale i nā hua bacteria, nā kumu wela, nā colloids, nā mea haumia i hoʻokuʻu ʻia, a me nā mea kanu macromolecular; wai inu, hoʻomaʻemaʻe wai mineral; fermentation, ʻoihana hoʻomākaukau Enzyme a me ka ʻoihana lāʻau lapaʻau, hoʻomaʻemaʻe, a wehewehe; ka nui o ka wai a me ka hoʻokaʻawale ʻana; ka soya, ka waiu, ka ʻoihana kō, ka waina, ka wai kī, ka vīneka, etc. ka hoʻokaʻawale ʻana, ka noʻonoʻo a me ka wehewehe; ka hoʻomaʻemaʻe a me ka hoʻihoʻi hou ʻana i ka wai ʻino ʻoihana a me ka hoʻomaʻemaʻe hale; Hoʻihoʻi hou i ka pena electrophoretic.
Mākaukau e aʻo hou aku? E kelepona mai iā mākou i kēia lā no kahi ʻōlelo manuahi!
Ka manawa hoʻouna: Sep-24-2020