Kedu ihe kpatara eji ehicha akpụkpọ ahụ nanofiltration mgbe niile?
N'ihi na a ga-eji akpụkpọ ahụ nanofiltration mee ihe ruo ogologo oge na usoro eji eme ihe, ihe ndị a kwụsịtụrụ na ụfọdụ adịghị ọcha na mmiri ga-egbochi oghere nke nzacha akpụkpọ anụ ahụ, na-eme ka akpụkpọ ahụ kwụsị, na nkwụsị ogologo oge ga-eme ka mmepụta mmiri na-ebelata, ọ ga-emetụtakwa mmewere nanofiltration. Na-akpata mmebi na-enweghị mgbagha.
Ogologo oge ole ka usoro nhicha nke nanofiltration membranes dị?
N'ozuzu, a na-ekpebi usoro nhicha nke akpụkpọ ahụ nanofiltration dị ka ojiji nke membrane element si dị, ọ na-abụkarị ihe dị ka ọnwa atọ, ma mgbe mmepụta mmiri nke akpụkpọ ahụ na-ebelata, akpụkpọ ahụ nanofiltration ga-ehichapụ n'oge.
Kedu ihe m kwesịrị ịṅa ntị na mgbe ị na-ehicha akpụkpọ ahụ nanofiltration?
Jiri mmiri oxidant dị elu na-enweghị chlorine fọdụrụnụ na oxidants ndị ọzọ maka ịsacha
Mgbe ị na-akwadebe ihe ngwọta ihicha, jide n'aka na kemịkalụ niile na-ehicha ya na-agbaze nke ọma ma gwakọta ya tupu ịbanye n'usoro ihe mejupụtara.
Mgbe ekesachara kemịkalụ ihicha na ihe ndị na-ahụ maka akpụkpọ ahụ, a ga-eji mmiri dị elu na-asachapụ ihe ndị ahụ akpụkpọ ahụ nke na-enweghị chlorine fọdụrụnụ na oxidants ndị ọzọ (opekempe okpomọkụ>20 ℃).
Okpomọkụ na PH uru
N'oge okirikiri nke ngwọta nhicha, okpomọkụ ekwesịghị gafere 50C na pH 2-10, okpomọkụ ekwesịghị gafere 35C na pH 1-11, na okpomọkụ ekwesịghị gafere 30C na pH 1-12.
The eruba ntụziaka nke ihicha mmiri mmiri
N'ihi na components na a dayameta karịa 6 sentimita asatọ, eruba direction nke ihicha mmiri kwesịrị ịbụ otu ihe ahụ nkịtị na-agba ọsọ direction iji gbochie akụrụngwa si na-amụba "telescope" onu, n'ihi na ntinye mgbanaka na nrụgide arịa bụ nanị arụnyere na ndọpụ mmiri ọgwụgwụ nke arịa mgbali. A na-atụ aro ka ị ṅaa ntị na nke a mgbe ị na-ehicha usoro nke obere ihe.
Hichaa ncha nke fọdụrụ nke ọma
Mgbe ị na-ehicha ihe, ṅaa ntị ka ihicha nke ọma ihe na-ehicha ihe nke fọdụrụ na akpụkpọ ahụ. Ọ bụrụ na onye na-ehicha ihe adịghị ehichapụ nke ọma, ọ dị oke mfe ịkwakọba unyi na usoro nhazi akpụkpọ ahụ, na ọbụna belata ọrụ ndụ nke nanofiltration akpụkpọ ahụ. Ndị na-ehicha alkaline nwere ike nhicha dị ala iji wepụ ntụpọ.
Olee otú ịgbatị okirikiri nhicha nke nanofiltration membranes?
Mụbaa ọgwụgwọ mbụ
Ịbawanye usoro nhazi ahụ bụ ihe kachasị ogologo oge, na mmiri ọkụ nwere ike ịmalite ọgwụgwọ site na usoro dịka nzacha multi-media na ultrafiltration membranes iji meziwanye àgwà mmiri, nke nwere ike ibelata mmetọ nke nanofiltration membrane ọcha.
Tinye acid
CaCO3 dị n'ọtụtụ mmiri dị n'elu na mmiri ala fọrọ nke nta ka ọ jupụta. Ya mere, site n'ịgbakwụnye akwụkwọ H n'ime acid ahụ, enwere ike ịtụgharị nguzozi kemịkalụ gaa n'aka ekpe iji mee ka calcium carbonate nọrọ n'ọnọdụ mgbaze. Ogo acid a na-eji ga-abụ ọkwa nri. N'ọtụtụ mba na mpaghara, sulfuric acid dị mfe iji karịa hydrochloric acid, ma n'aka nke ọzọ, ọdịnaya nke sulfate radicals na mmiri na-emetụta na-abawanye. N'ihe gbasara ọnụ ọgụgụ sulfate, nsogbu ahụ ga-adị njọ.
Tinye antiscalant
Enwere ike iji ihe mgbochi na-eme ihe iji chịkwaa carbonate carbonate, sulfate scale, na calcium fluoride scale. A na-enwekarị ụdị ihe mgbochi akpịrịkpa atọ: sodium hexametaphosphate (SHMP), organic phosphate, na polyacrylate. Ọ dị mma maka igbochi scaling nke aluminom na ígwè na-adịghị edozi, na nnukwu polyacrylate dị arọ nwere ike ibelata nhazi nke SiO2 site na mmetụta mgbasa.
Tinye resin na-adị nro
Enwere ike iji Na+z ion dochie ma wepu cations dị ka Ca2+, Ba2+ na Sr2+ na mmiri. N'oge ọgwụgwọ a, pH nke mmiri na-emetụta agaghị agbanwe. Ya mere, ọ dịghị degassing ọrụ a chọrọ.
Oge nzipu: Jun-28-2021