Rashin ruwa na sludge wani muhimmin sashi ne na tsarin kula da najasa. Manufarsa ita ce ta kawar da ruwa mai kyau a cikin sludge, don haka adadin sludge ya ragu, kuma farashin zubar da ƙasa ya ragu. A cikin wannan tsari, zaɓi naFlocculantshine mabuɗin, kuma PolyDADMAC, azaman ingantaccen aikiCationic polymer flocculant, yana taka muhimmiyar rawa.
Da fari dai, muna bukatar mu fahimci abun da ke ciki da kuma Properties na sludge. Sludge yafi ƙarfi da ƙarfi da ake samarwa yayin maganin najasa. Ya ƙunshi hadaddun abubuwa kamar tarkacen kwayoyin halitta, ƙungiyoyin ƙwayoyin cuta, ƙwayoyin inorganic da colloid. Abubuwan da aka dakatar da su a cikin sludge suna cajin da ba daidai ba kuma suna korar juna, yayin da ruwa ya cika tsakiyar da aka dakatar da shi, don haka abin da ke cikin ruwa na farko na sludge zai iya kaiwa 95%. gurbacewar muhalli. Sabili da haka, yadda za a aiwatar da sludge dewatering yadda ya kamata ya zama muhimmin batu a fagen kula da najasa.
A cikin tsarin dewatering sludge.Flocculants don sludge dewateringmuhimmin abu ne mai tasiri. Flucculant yana tara ƙananan ɓangarorin da ke cikin sludge zuwa manyan ɓangarorin ta hanyar tsaka-tsakin lantarki, haɗaɗɗen talla, da dai sauransu, yana haɓaka aikin lalata da rashin ruwa. A matsayin samfurin sinadari da aka yi amfani da shi musamman wajen maganin ruwa da sludge dehydration, PolyDADMAC yana aiki da kyau a cikin sludge dehydration saboda tsarinsa na musamman na ƙwayoyin cuta da yawan caji.
Tsarin kwayoyin halitta na PolyDADMAC yana ba shi babban caji mai yawa da kyawawan kaddarorin talla. A lokacin sludge dehydration tsari, PolyDADMAC iya sauri adsorb a saman sludge barbashi, rage m karfi tsakanin barbashi ta hanyar lantarki neutralization, da kuma inganta samuwar manyan flocs tsakanin barbashi. A lokaci guda kuma, sarƙoƙin ƙwayoyin cuta na PolyDADMAC kuma na iya samar da ingantaccen tsarin hanyar sadarwa, tare da tarko ɓangarorin sludge da yawa tare, datse ruwa daga tsakanin ɓangarorin sludge, da ƙirƙirar ƙugiya masu sauƙin bushewa, ta yadda za a iya rage girman ruwa. zuwa 60-80% ko ma ƙasa, kuma ana iya rage ƙarar ta 75-87%.
Idan aka kwatanta da flocculants na inorganic na gargajiya na gargajiya, PolyDADMAC yana da mafi girman nauyin kwayoyin halitta da yawan cajin, yana ba shi ƙarfin ɗigon ruwa. Bugu da kari,PolyDADMACyana da kyakkyawan aikin rushewa, yana da sauƙin amfani, kuma baya haifar da gurɓataccen gurɓataccen abu. PD kanta ba ya samar da lalata kamar alum, don haka adadin ƙarin sludge za a iya ragewa.Wadannan fa'idodin sun sa PolyDADMAC suna da fa'ida mai fa'ida a fagen sludge dewatering.
Tsarin kwayoyin halitta na PolyDADMAC yana ba shi babban caji mai yawa da kyawawan kaddarorin talla. Ƙungiyoyin cationic da yawa akan sarkar kwayoyin halitta zasu iya amsawa tare da ƙungiyoyin anionic a saman ɓangarorin sludge don samar da barga na ionic bond, yana haifar da adsorption mai ƙarfi. Wannan adsorption ba wai kawai yana taimakawa wajen rage ƙin jini tsakanin barbashi ba, har ma yana taimakawa wajen samar da manyan flocs.
Baya ga tsarin kwayoyin halitta da kaddarorin caji na PolyDADMAC, maida hankali da adadin sa kuma mahimman abubuwan da ke shafar tasirin bushewar sludge. A cikin wani takamaiman kewayon, yayin da tattarawar PolyDADMAC ke ƙaruwa ko adadin ya karu, ana iya haɓaka aikin cire ruwa na sludge. Duk da haka, yawan maida hankali ko sashi na iya haifar da kishiyar sakamako, yana haifar da kariyar colloid, wanda hakan yana rage tasirin rashin ruwa. Don haka, a cikin aikace-aikacen aikace-aikacen, ana buƙatar gwaji da haɓakawa bisa ga takamaiman tsarin kula da najasa da kaddarorin sludge don tantance mafi kyawun tattarawar PolyDADMAC da sashi.
Lokacin aikawa: Satumba-26-2024