A cikin maganin najasa, polyacrylamide da polyaluminum chloride sune mafi yawan amfani da flocculants. Daga cikin su, polyaluminum chloride yana da nau'i guda ɗaya, kuma kawai wajibi ne don zaɓar abubuwan da ke cikin alumina daban-daban bisa ga bukatun jiyya. Koyaya, PAM ya bambanta. An raba nau'in ionic guda ɗaya zuwa anion, cation da wadanda ba ion ba, kuma kowane nau'in ionic yana da takamaiman bayani. Don haka a cikin yawancin nau'ikan PAM, me yasa polyacrylamide anion ake amfani da shi sosai a cikin maganin najasa?
Akwai manyan dalilai guda biyu don zaɓar PAM anionic don kula da najasa:
1. Farashin yana da ƙasa. Idan aka kwatanta da sauran samfuran ionic, farashin sarrafawa ya yi ƙasa da ƙasa a ainihin amfani.
2. Yana da karfi applicability da fadi da kwayoyin nauyi kewayon, wanda zai iya m saduwa da bukatun mafi yawan najasa najasa magani da kuma tsarkakewa. Farashin yana da ƙasa, farashin magani yana da ƙasa, tasirin jiyya yana da kyau, kuma aikace-aikacen yana da ƙarfi. A zahiri, akwai ƙarin zaɓuɓɓuka a cikin maganin najasa.
Anion yana daya daga cikin manyan nau'ikan ionic guda uku na PAM, yana da babban nauyin kwayoyin halitta, kuma shi ne polymer mai narkewar ruwa na linzamin kwamfuta. Matsakaicin nauyin kwayoyin yana tsakanin miliyan 8 da miliyan 20, yayin da nauyin kwayoyin halitta na cations yana tsakanin miliyan 8 da 16 kawai. The cajin narkar da anion kungiyar, a karkashin mataki na briding ko neutralizing cajin, ya sa barbashi zuwa agglomerate su samar da manyan flocs, don haka zai iya hanzarta sedimentation na barbashi a cikin dakatarwa, game da shi kafa flocs, kuma aka sani da "vanadium". flower". ", ta hanyar ci gaba da aiki, furen vanadium ya zama babba kuma mai yawa, don yin hazo, cimma tasirin rabuwa da laka da ruwa, kuma ya sa mai girma ya bayyana kuma a fili.
Bayan kwatancen na dogon lokaci, an gano cewa anion polyacrylamide yana da sakamako mai kyau: bayani da tsarkakewa, haɓakar lalata, haɓakar tacewa, thickening da thickening, da sauransu. daban-daban na najasa magani, kamar yashi wanki shuka, kwal wanke shuka, bugu da rini shuka, da dai sauransu. 2. Farashin fa'ida yana da girma. Kamar yadda muka sani, farashin PAM shine mafi girma a cikin cation, sannan kuma ba ion ba, kuma farashin anion yana da rahusa sosai. Zaɓin anions don maganin sharar gida na iya rage farashi. 3. Sakamakon magani yana da kyau. Daga ra'ayi na flocculation da sedimentation, anions suna da rawar da ba za a iya maye gurbinsu ba, kuma yawancin najasa na masana'antu sun ƙunshi ions masu cajin cationically, don haka tasirin amfani da anions yana da kyau. Ana amfani da shi musamman a fannin gyaran takarda, gyaran najasa na wanke yashi, da gyaran najasa na kwal. Barbashi a cikin irin wannan najasa ne mafi yawa tabbatacce, kuma kwayoyin jerin anionic kungiyoyin iya taka mai kyau flocculation sakamako, don haka yana da irreplaceable rawa.
Lokacin aikawa: Afrilu-21-2022