Izalathisi ezintathu eziphambili zokulinganisa ukusebenza kwe-reverse osmosis membrane elements yi-flux yemveliso yamanzi, izinga le-desalination kunye nokuhla koxinzelelo lwe-membrane, ezibonakaliswe kakhulu ngoxinzelelo oluthile lwamanzi okutya.
Okwangoku, kukho ezininzi ii-membrane ze-osmosis ezithengiswa kwimarike, kwaye ngokugxila kwizinto ezahlukeneyo, ulwahlulo alufani.Iimpawu ezahlukeneyo zihlelwa ngokwahlukileyo, kwaye iintlobo kunye neemodeli zihlukile.Namhlanje, makhe sithethe ngokuhlelwa kwee-membrane ze-osmosis eziguqukayo ngokwezinto eziphathekayo kunye neentlobo zento ye-membrane yeempawu ezinkulu.
Iintlobo zeembrane ze-osmosis ezibuyela umva:
1.Ngokohlobo lwe-membrane element, inokwahlulwa ibe yi-homogeneous membrane, i-membrane ye-asymmetric kunye ne-composite membrane.
2. Ngokuhambelana neempawu ze-membrane, inokwahlulwa ibe yi-membrane yoxinzelelo oluphantsi, i-membrane ye-ultra-low, i-membrane ye-ultra-low, i-membrane yokusetyenziswa kwamandla aphantsi, i-membrane yokusetyenziswa kwamandla aphantsi, i-membrane ye-desalination ephezulu, I-ultra-high desalination inwebu, i-membrane yokususwa kwe-boron ephezulu, inwebu enkulu ye-flux, inwebu yokuchasana nongcoliseko njalo njalo.
3.Ngokuhambelana nokusetyenziswa kwe-membrane ye-osmosis eguquguqukayo, inokwahlulwa ibe yimpompo yamanzi epompo, inwebu yamanzi e-brackish, inwebu yamanzi olwandle, i-membrane ye-semiconductor grade, i-membrane yokwahlukana egxininisiweyo, inwebu ye-disinfection ye-thermal kunye nokunye.
4.Ngokwezinto zayo eziluhlaza, inokuphinda ihlulwe kwi-cellulose acetate membrane, i-polyamide membrane, i-membrane edibeneyo.
5.Ngokobukhulu be-membrane element, inokwahlulwa ibe yi-reverse osmosis inwebu encinci, i-4040 inwebu kunye ne-8040 inwebu.
6.Ngokwesakhiwo, sinokuhlulwa kwi-membrane ye-inorganic, i-membrane ye-organic, i-disc tube reverse osmosis membrane uhlobo / DTRO.
Ukuhlelwa kweemembrane ze-osmosis ezibuyela umva:
1.I-Cellulose acetate:
I-cellulose acetate, ekwabizwa ngokuba yi-acetyl cellulose okanye i-cellulose acetate, ihlala isebenzisa umqhaphu kunye nomthi njengezinto ezikrwada ukwenza i-cellulose acetate nge-esterification kunye ne-hydrolysis.Ngokuhamba kwexesha, isantya se-desalination yolu hlobo lwe-membrane element iya kuncipha ngokuthe ngcembe, kwaye umngcipheko wongcoliseko mkhulu.
2.Polyamide:
I-Polyamides inokohlulwa ibe yi-aliphatic polyamides kunye ne-aromamides enamakha.Okwangoku, iipolyamides ezinevumba elimnandi zisetyenziswa ikakhulu kwimarike, eneemfuno eziphantsi zexabiso le-PH, kodwa iklorini yasimahla inokubangela ungcoliseko olukhulu kuyo.
3.Inwebu edibeneyo:
I-composite inwebu yeyona inwebu ye-osmosis ixhaphakileyo kwimarike ngoku, yenziwe ikakhulu ngezi zinto zimbini zingasentla, umaleko womphezulu wale membrane ye-osmosis ilusu olukhuselayo, olunokuthi luthintele kwaye lwahlule ngokufanelekileyo ityuwa, eyaziwa ngokuba yi-osmosis. umaleko wokukhupha ityuwa, ubukhulu buqhele ukuba yi-50nm.Apha ngezantsi kukho umaleko owomeleleyo weporous, owaziwa ngokuba yi-base inwebu, kwaye umaleko ongezantsi usebenzisa izinto ezingalukwanga njengomaleko wenkxaso.I-membrane edibeneyo ixazulula ngokugqibeleleyo iintsilelo zezi zinto zimbini zingentla, kwaye ineenzuzo zempembelelo ephezulu yokungena, ukuhamba kwamanzi amakhulu kunye nobukhulu bokusetyenziswa.
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Ixesha lokuposa: Sep-15-2023