Draft biya, nke a makwaara dị ka biya biya, bụ ụdị aseptic nzacha na aseptic na-ejuputa biya na-enweghị pasteurization ma ọ bụ nnukwu okpomọkụ ozugbo.Ọ nwere amino acid bara ụba, carbohydrates, salts inorganic, vitamin dị iche iche na enzymes dị iche iche na-arụ ọrụ, nke nwere ike ime ka agụụ dịkwuo elu ma kwalite mgbaze.
Draft biya bụ nke klaasị biya.Nchacha na sterilization bụ isi njikọ nke mmepụta.Teknụzụ nkewa nke membrane nwere ike idowe ụdị nri niile dị na nri site na iji ụkpụrụ nyocha.Mgbe etinyere ya na mmepụta nke biya biya, ihe ọṅụṅụ na-aba n'anya na-eme ka ọ pụta ìhè na nke doro anya, njide afụ ahụ dị ogologo, na protein na-emetụ n'ahụ na ntụ oyi oyi dị ihe karịrị 30% dị ala karịa nzacha nke ụwa puku.Agbanyeghị, mmetọ akpụkpọ ahụ a na-apụghị izere ezere na-emetụta arụmọrụ nzacha nke ọma, na oyi akwa nha nhata kwụsiri ike bụ naanị ihe dịka 10L/(m²/h), nke na-egbochi itinye teknụzụ nzacha akpụkpọ ahụ na mmepụta biya.
Usoro nnwale
Ekpebiri nkesa nha pore nke akpụkpọ ahụ PVDF site n'ụdị afụ nke ejiri aka ya mee - ngwa ngwa nkesa nha nha nha.A na-ebipụ diaphragm okirikiri site na ihe nkiri akọrọ, tinye ya na otu puku mmiri na-ekpo ọkụ ruo mgbe translucent, wepụ ya ma kpoo ya na akwụkwọ nzacha, wee gbasaa na onye nchọpụta maka nchọpụta.Ihe ngwọta na-edozi ahụ bụ isopropanol, ebe nrụgide bụ nitrogen.
Maka nha nkuku kọntaktị, a na-egbutu diaphragm square 2cmx2cm, dozie ya na slide ahụ, ma tinye ya na tebụl nlele maka nchọpụta.Edekọbara akụkụ kọntaktị nke ụmụ irighiri mmiri si n'elu ihe nkiri ahụ pụọ kpamkpam.
A na-ejikọta elu na elu elu nke ihe nkiri ihe nkiri nnọchiteanya na tebụl ihe atụ na nrapado conductive n'otu n'otu.A na-ekpochasị akụkụ obe ahụ ma jiri mmiri mmiri meenyụ ya, a na-etinyekwa akụkụ obe ahụ na tebụl ihe atụ na nrapado na-eduzi.A kpọchiri ihe nlele ahụ na oghere ma tinye ya n'elu ikpo okwu microscope eletrọn maka nlele.
Ọnụọgụ microbial E. coli: Were nlele a ga-anwale, rụtụ aka na GB4789.3-2010 maka nnwale.Ngụkọta ọnụ ọgụgụ biya biya: A na-ewere ihe nlele biya tupu na mgbe emechara wee nwalee dịka GB4789.2-2010 siri dị.Ọnụọgụ yist: Were ihe nlele biya tupu na nzacha, rụtụ aka na GB4789.15
A na-etinye akpụkpọ ahụ hydrophilic pvdf-n ma ọ bụ pvdf-f microfiltration n'ime ọdọ mmiri akpụkpọ ahụ wee mee ka uzuo mmiri dị elu 121 Celsius C maka 20min.A na-eji ngwaọrụ nzacha nke emebere onwe ya (lee ihe osise 1) iji tụọ mgbanwe dị iche iche nke ntinye biya biya na oge nzacha n'okpuru lOOkPa filtration repulsion force, na usoro nnwale gosipụtara na Figure 2. Usoro nhazi mbụ nke akpụkpọ ahụ ọhụrụ bụ. akọwapụtara dị ka C. Mgbe nzacha ruo nwa oge ruo mgbe mwepu flux attenuation ruru uru kwụsiri ike, a na-ehicha akpụkpọ ahụ ka ọ gbakee n'ọkpụkpụ akpụkpọ ahụ, na akpụkpọ ahụ dị ọcha na-aga n'ihu na-enyocha biya biya.A na-eji mmiri na-asachapụ usoro anọ nke mbụ nke akpụkpọ anụ, ma jiri mmiri 0.05mo1 / L NaOH, 0.05mo1 / L HCl ngwọta na mmiri na-asachapụ nke anọ ikpeazụ.
Oge nzipu: Sep-15-2022