PAM Flocculant: mankhwala amphamvu ochizira madzi m'mafakitale

Polyacrylamide(PAM) ndi polima yopangidwa ndi hydrophilic yomwe imagwiritsidwa ntchito kwambiri pokonza madzi. Imagwiritsidwa ntchito makamaka ngati flocculant ndi coagulant, mankhwala omwe amachititsa kuti tinthu tomwe timapachikidwa m'madzi tigwirizane kukhala ma floc akuluakulu, motero zimathandiza kuti tichotsedwe kudzera mu clearing kapena sefa. Kutengera mtundu wa madzi otayidwa, gwiritsani ntchito cationic, anionic, kapena non-ionic PAM. Polyacrylamide imapereka zabwino zingapo pakukonza madzi, kuphatikizapo kugwira ntchito kwake pamitundu yosiyanasiyana ya pH, kutentha, ndi turbidity. Zotsatira za coagulation zitha kuyesedwa pogwiritsa ntchito mayeso a Jar kapena muyeso wa turbidity.

Polyacrylamide ingagwiritsidwe ntchito kwambiri poyeretsa madzi m'mafakitale, kuyeretsa zinyalala, kuyeretsa madzi otayidwa, ndi zina zotero. M'malo oyeretsera madzi, polyacrylamide imagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo kuyeretsa koyamba ndi kwachiwiri, kusefa, ndi kupha tizilombo toyambitsa matenda. Panthawi yoyeretsa koyamba, imawonjezedwa ku madzi osaphika kuti ilimbikitse kukhazikika kwa zinthu zolimba zomwe zimayimitsidwa, zomwe zimachotsedwa ndi sedimentation kapena flotation. Pakuyeretsa kwachiwiri, polyacrylamide imagwiritsidwa ntchito kuyeretsa madzi oyeretsera mwa kuchotsa zinthu zolimba zomwe zimayimitsidwa ndi zinthu zachilengedwe zomwe zimayamwa.

Mfundo yogwirira ntchito yapolyacrylamide flocculantndi: mutatha kuwonjezera yankho la PAM, PAM imakoka tinthu tating'onoting'ono, ndikupanga mipata pakati pawo. Mu dziwe loyambirira, limamatira kuti lipange ma floc akuluakulu, ndipo madzi amakhala oundana panthawiyi. Ma floc ambiri akakula ndikukhala okhuthala, amasamuka ndikumira pang'onopang'ono pakapita nthawi, ndipo pamwamba pa madzi osaphika padzakhala poyera. Njira yosonkhanitsirayi imawongolera mawonekedwe okhazikika a tinthu tating'onoting'ono, zomwe zimapangitsa kuti zikhale zosavuta kuchotsa panthawi yoyeretsa kapena kusefa. Polyacrylamide nthawi zambiri imagwiritsidwa ntchito limodzi ndi ma coagulants ena ndi ma flocculants kuti akwaniritse bwino kwambiri komanso magwiridwe antchito osefa.

Polyacrylamide imagwiranso ntchito yofunika kwambiri pakusefa madzi. Nthawi zambiri imagwiritsidwa ntchito ngati chosefera mu zosefera kapena njira zina zosefera zakuthupi kuti ichotse zinthu zolimba zomwe zapachikidwa ndi kutayikira. Mwa kukonza kuchotsa tinthu timeneti, polyacrylamide imathandiza kutsimikizira kuti zosefera zimakhala zoyera komanso zomveka bwino.

Polyacrylamide ndi polima yokhazikika komanso yopanda poizoni yomwe imasweka kudzera munjira zachilengedwe kapena njira zochizira zamoyo. Dziwani kuti madzi otayikira angayambitse pansi kukhala oterera kwambiri, zomwe zingayambitse kugwa.

Komabe, kuchuluka kwa PAM komwe kumagwiritsidwa ntchito kumadalira mtundu wa madzi otayidwa ndi kuchuluka kwa tinthu tolimba tomwe timapachikidwa, komanso kupezeka kwa mankhwala ena, ma acid, ndi zinthu zina zodetsa m'madzi. Zinthu izi zitha kukhudza momwe PAM imagwirira ntchito, kotero kusintha koyenera kuyenera kupangidwa panthawi yogwiritsa ntchito. Zogulitsa za PAM zokhala ndi kulemera kosiyanasiyana kwa mamolekyulu, madigiri a ionic, ndi mlingo wake ziyenera kusankhidwa mosamala pamitundu yosiyanasiyana ya madzi otayidwa.