Rashin ruwa a cikin ƙasa muhimmin ɓangare ne na tsarin tsaftace najasa. Manufarsa ita ce a cire ruwan da ke cikin ƙasa yadda ya kamata, ta yadda yawan ƙasa zai ragu, kuma a rage farashin zubar da ƙasa da sararin ƙasa. A cikin wannan tsari, zaɓinFlocculantshine mabuɗin, kuma PolyDADMAC, a matsayin ingantaccenCationic Polymer Flocculant, yana taka muhimmiyar rawa.
Da farko, muna buƙatar fahimtar abubuwan da ke cikin laka da halayenta. Laka galibi laka ce mai ƙarfi da ake samarwa yayin aikin najasa. Tana ɗauke da abubuwa masu rikitarwa kamar tarkacen halitta, ƙungiyoyin ƙwayoyin cuta, barbashi marasa tsari da colloids. Daskararrun da aka dakatar a cikin laka suna da caji mara kyau kuma suna korar juna, yayin da ruwa ke cika tsakiyar daskararrun da aka dakatar, don haka yawan ruwan farko na laka zai iya kaiwa kashi 95%. Idan ba a magance wannan laka a kan lokaci ba, zai haifar da gurɓataccen yanayi. Saboda haka, yadda ake gudanar da tsaftace laka yadda ya kamata ya zama muhimmin batu a fannin maganin najasa.
A cikin tsarin cire ruwa daga laka,Flocculants don cire ruwa daga sludgewani muhimmin abu ne da ke tasiri. Flocculant ɗin yana haɗa ƙananan ƙwayoyin da ke cikin laka zuwa manyan ƙwayoyin cuta ta hanyar hana wutar lantarki, haɗa hanyoyin shaƙatawa, da sauransu, yana hanzarta tsarin lalata shi da bushewar sa. A matsayin wani sinadari da ake amfani da shi musamman wajen magance matsalar sharar gida da kuma bushewar laka, PolyDADMAC yana aiki da kyau a cikin bushewar laka saboda tsarin ƙwayoyin halitta na musamman da yawan caji.
Tsarin kwayoyin halitta na PolyDADMAC yana ba shi yawan caji mai yawa da kuma kyakkyawan halayen shaƙatawa. A lokacin aikin shaƙatawa na laka, PolyDADMAC na iya shaƙawa da sauri a saman barbashin laka, rage ƙarfin da ke tsakanin barbashi ta hanyar hana wutar lantarki, da kuma haɓaka samuwar manyan flocs tsakanin barbashi. A lokaci guda, sarƙoƙin kwayoyin halitta na PolyDADMAC kuma na iya samar da ingantaccen tsarin hanyar sadarwa, yana kama barbashi da yawa na laka tare, yana matse ruwa daga tsakanin barbashi na laka, kuma yana samar da guntu waɗanda ke da sauƙin bushewa, don haka ana iya rage yawan ruwan zuwa 60-80% ko ma ƙasa da haka, kuma ana iya rage girman da 75-87%.
Idan aka kwatanta da na gargajiya na inorganic flocculants, PolyDADMAC yana da nauyin kwayoyin halitta mafi girma da yawan caji, wanda ke ba shi ƙarfin flocculation mai ƙarfi. Bugu da ƙari,PolyDADMACyana da kyakkyawan aikin narkewa, yana da sauƙin amfani, kuma baya haifar da gurɓataccen abu na biyu. PD kanta ba ta samar da laka kamar alum, don haka ana iya rage adadin ƙarin laka. Waɗannan fa'idodin suna sa PolyDADMAC ta sami fa'idodi masu yawa na amfani a fannin cire laka.
Tsarin kwayoyin halitta na PolyDADMAC yana ba shi yawan caji mai yawa da kuma kyawawan halayen shaye-shaye. Ƙungiyoyin cationic da yawa a kan sarkar kwayoyin halitta na iya amsawa da ƙungiyoyin anionic a saman ƙwayoyin laka don samar da haɗin ionic mai ƙarfi, wanda ke haifar da shaye-shaye mai ƙarfi. Wannan shaye-shaye ba wai kawai yana taimakawa wajen rage ƙin yarda tsakanin ƙwayoyin ba, har ma yana taimakawa wajen samar da manyan flocs.
Baya ga tsarin kwayoyin halitta da halayen caji na PolyDADMAC, yawansa da yawansa suma muhimman abubuwa ne da ke shafar tasirin bushewar laka. A cikin wani takamaiman yanayi, yayin da yawan PolyDADMAC ke ƙaruwa ko kuma yawan da ake buƙata ya ƙaru, ana iya inganta aikin bushewar laka. Duk da haka, yawan ko yawan da ake buƙata zai iya haifar da akasin haka, wanda ke haifar da kariyar colloid, wanda hakan ke rage tasirin bushewar laka. Saboda haka, a aikace, ana buƙatar yin gwaji da ingantawa bisa ga takamaiman tsarin maganin najasa da halayen laka don tantance mafi kyawun yawan da kuma yawan da ake buƙata na PolyDADMAC.
Lokacin Saƙo: Satumba-26-2024