Ukuphelelwa amanzi ngodaka kuyingxenye ebalulekile yenqubo yokuhlanza indle. Inhloso yayo ukukhipha ngokuphumelelayo amanzi ku-sludge, ukuze inani le-sludge libe lincane, futhi izindleko zokulahla kanye nendawo yomhlaba ziyancipha. Kule nqubo, ukukhethwa kweI-Flocculantukhiye, kanye ne-PolyDADMAC, njengendlela ephumelelayoI-Cationic Polymer flocculant, idlala indima ebaluleke kakhulu.
Okokuqala, sidinga ukuqonda ukwakheka kanye nezakhiwo ze-sludge. Udaka luyinhlabathi eqinile ekhiqizwa ngesikhathi sokukhuculula indle. Iqukethe izingxenye eziyinkimbinkimbi ezifana nemfucumfucu yezinto eziphilayo, amaqembu amancane, izinhlayiya ze-inorganic kanye nama-colloid. Izinto eziqinile ezimisiwe odaka zishajwa kabi futhi ziyaxoshana, kuyilapho amanzi egcwalisa phakathi kwezinto eziqinile ezimisiwe, ngakho-ke okuqukethwe kwamanzi okuqala odaka kungafinyelela ku-95%. Ngakho-ke, indlela yokufeza ngempumelelo ukuchithwa kwe-sludge kuye kwaba yinkinga ebalulekile emkhakheni wokuhlanza indle.
Enqubweni yokukhipha amanzi ngodaka,Ama-flocculants okukhipha amanzi ngodakaiyisici esibalulekile esinomthelela. I-flocculant ihlanganisa izinhlayiya ezincane odaka zibe yizinhlayiya ezinkulu ngokusebenzisa i-electric neutralization, i-adsorption bridging, njll., isheshisa inqubo yayo yokukhipha inzika kanye nokuphelelwa amanzi emzimbeni. Njengomkhiqizo wamakhemikhali osetshenziswa ngokukhethekile ekwelapheni kwamanzi angcolile kanye nokuphelelwa amandla kwamanzi ngodaka, i-PolyDADMAC yenza kahle ekuphelelweni kwamanzi kwe-sludge ngenxa yesakhiwo sayo esiyingqayizivele samangqamuzana kanye nokuminyana kweshaja.
Isakhiwo samangqamuzana e-PolyDADMAC siyinikeza ukuminyana kweshaji ephezulu kanye nezakhiwo ezinhle kakhulu ze-adsorption. Phakathi nenqubo yokuqeda amanzi ngodaka, i-PolyDADMAC ingakwazi ukukhangisa ngokushesha ebusweni bezinhlayiya ze-sludge, inciphise amandla aphikisayo phakathi kwezinhlayiya ngokusebenzisa i-neutralization kagesi, futhi ikhuthaze ukwakheka kwama-flocs amakhulu phakathi kwezinhlayiya. Ngesikhathi esifanayo, amaketanga amangqamuzana e-PolyDADMAC angakwazi futhi ukwakha isakhiwo senethiwekhi esiphumelelayo, abambe izinhlayiya eziningi ze-sludge ndawonye, ukukhama amanzi aphume phakathi kwezinhlayiya ze-sludge, futhi enze ama-clumps alula ukukhipha amanzi, ukuze umthamo wamanzi ungancishiswa ube ngu-60-80% noma ngisho nangaphansi, futhi umthamo ungancishiswa ngo-75-8%.
Uma kuqhathaniswa nama-flocculants endabuko e-inorganic, i-PolyDADMAC inesisindo samangqamuzana aphezulu kanye nokuminyana kokushaja, okuyinikeza amandla aqinile wokuntanta. Ngaphezu kwalokho,I-PolyDADMACinokusebenza okuhle kakhulu kokuncibilika, kulula ukuyisebenzisa, futhi ayikhiqizi ukungcoliswa kwesibili. I-PD ngokwayo ayikhiqizi i-sedimentation njenge-alum, ngakho-ke inani le-sludge eyengeziwe lingancishiswa.Lezi zinzuzo zenza i-PolyDADMAC ibe nethemba elibanzi lokufaka isicelo emkhakheni wokukhipha amanzi ngodaka.
Isakhiwo samangqamuzana e-PolyDADMAC siyinikeza ukuminyana kweshaji ephezulu kanye nezakhiwo ezinhle kakhulu ze-adsorption. Amaqembu amaningi e-cationic ochungechungeni lwawo lwamangqamuzana angasabela ngamaqembu e-anionic ebusweni bezinhlayiya ze-sludge ukuze akhe amabhondi e-ionic azinzile, okuholela ekukhangiseni okuqinile. Lokhu kukhangiswa akusizi nje kuphela ukunciphisa ukucasuka phakathi kwezinhlayiya, kodwa futhi kusiza ukwakha ama-flocs amakhulu.
Ngaphezu kwesakhiwo samangqamuzana kanye nezakhiwo zokushaja ze-PolyDADMAC, ukugxila kwayo kanye nomthamo nakho kuyizici ezibalulekile ezithinta umphumela wokuphelelwa amanzi ngodaka. Phakathi kwebanga elithile, njengoba ukugcwala kwe-PolyDADMAC kukhuphuka noma umthamo ukhuphuka, ukusebenza kokukhipha amanzi kwe-sludge kungathuthukiswa. Kodwa-ke, ukugxila okuphezulu kakhulu noma umthamo kungaholela kumphumela ophambene, okuholela ekuvikelekeni kwe-colloid, okubuye kunciphise umphumela wokuphelelwa amanzi emzimbeni. Ngakho-ke, ekusetshenzisweni okungokoqobo, ukuhlolwa kanye nokwenza kahle kufanele kwenziwe ngokuya ngohlelo oluthile lokuhlanza indle kanye nezakhiwo ze-sludge ukuze kunqunywe ukugxiliswa kwe-PolyDADMAC okuphelele nomthamo.
Isikhathi sokuthumela: Sep-26-2024