I-Polyacrylamide yelothe kunye nemigodi ye-zinc

Kwinkqubo yokuhlamba kunye ne-beneficiation ye-lead-zinc ore, inani elikhulu le-tailings slurry liya kuveliswa. Ngenxa yokuba iintsila zithwala ngokuthe ngqo ungcoliseko olunje ngesinyithi esinzima kunye neearhente ezishiyekileyo zoncedo, kulula ukubangela ungcoliseko kwendalo. Ke ngoko, udaka lwee-tailings kufuneka lulahlwe ngokufanelekileyo ngexesha elifanelekileyo. Okwangoku, indlela yonyango ephambili kukuba udaka lwe-tailings luphantsi kwemvula kunye nokugxininiswa, kwaye i-liquid ecacileyo iphinda isetyenziswe. Emva koxinaniso, ii-tailings zongezwa kwi-press filter yebhanti kunye ne-sludge dewatering agent ye-polyacrylamide i-chemical pressure filtration kunye nokuphelelwa ngamanzi emzimbeni. Emva kokuphelelwa ngamanzi emzimbeni, umthamo womswakama wekhekhe lokucoca uphantsi. , inokuqonda umqolo owomileyo, imfumba eyomileyo okanye ukusetyenziswa ngokupheleleyo.

Okwangoku, iindlela eziphambili zokunyanga amanzi amdaka e-lead-zinc beneficiation zibandakanya indlela ye-coagulation sedimentation, indlela ye-oxidation, indlela ye-adsorption, indlela ye-biological, njl., kunye nendlela ye-coagulation sedimentation kunye ne-adsorption isetyenziswa ngokubanzi ngenxa yenkqubo yabo elula kunye neendleko eziphantsi. I-coagulants esetyenziswa ngokuqhelekileyo yi-polyacrylamide kunye ne-polyaluminium chloride.

Emva kokuba i-anionic polyacrylamide inyibilika emanzini, ii-ion eziyinkimbinkimbi ze-hydrated zenziwa xa ii-cations zetsimbi kunye neemolekyuli zamanzi ezipolar kakhulu zingena kwi-hydration. I-ion eziyinkimbinkimbi eziphezulu ezihlawuliswayo ezinamaqondo ahlukeneyo e-polymerization zenziwe, kwaye ngexesha elifanayo, i-hydrolysis reaction ye-polymer iqhubeka ngokuqhubekayo, okubangelwa i-ion eziyinkimbinkimbi eziphantsi kunye ne-degrees ezahlukeneyo ze-polymerization. Ngokucinezelwa kombane ophindwe kabini kunye nesiphumo sokungathathi hlangothi kwe-ion entsonkothileyo enedigri yepolymerization ephantsi kunye nentlawulo ephezulu, i-adsorption kunye nefuthe lokudibanisa i-ion ezintsonkothileyo ezinenqanaba eliphezulu lepolymerization kunye nentlawulo ephantsi, kunye nesiphumo sokubambisa komnatha we-hydrated hydroxide precipitation. , phantsi kweemeko ezifanelekileyo zokusabela, Yenza i-flocculent alum enkulu, i-adsorb i-ion yentsimbi enzima kunye nezinto eziqinileyo ezimisiweyo kunye nolunye ungcoliseko kumanzi amdaka kumphezulu we-alum, kwaye ekugqibeleni wenze i-precipitate ukufezekisa injongo yokucocwa kwamanzi!


Ixesha lokuposa: Feb-03-2023
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