Lapho ubheka okwakhoUkwelashwa kwamanzi amdakaInqubo, qala ngokunquma ukuthi yini okudingeka uyisuse emanzini ukuze uhlangabezane nezidingo zokuphuma. Ngokuphathwa okufanele kwamakhemikhali, ungasusa ama-ions kanye nama-solid amancane ancibilikisiwe avela emanzini, kanye nama-solids amisiwe. Amakhemikhali asetshenziswa ezitshalweni zokwelashwa kwendle afaka ikakhulukazi: Umlawuli we-PH, ohlanganisiwe,i-flecculontant.
I-flecculontant
Ama-Flocculatants asetshenziswa ezinhlobonhlobo zezimboni kanye nezicelo zokusiza ukususa ama-solids amisiwe kusuka kumanzi angcolile ngokugxila ebusweni noma axazulule ezansi. Zingasetshenziswa futhi ukuthambisa i-lime, gxila i-sludge kanye nama-dehyddrate solids. Ama-flocculants wemvelo noma amaminerali afaka i-silica esebenzayo kanye nama-polysaccharides, ngenkathi ama-flocculant zokwenziwa ajwayelekileI-Polyacrylamide.
Ngokuya ngecala lokushaja kanye nokwakheka kwamakhemikhali amanzi amdaka, ama-flocculant angasetshenziswa yedwa noma ahlangane nama-coagulants.Ama-Flocculatants ahlukile kuma-coagulantsKulokho zivame ukuba ama-polymers, kanti ama-coagulants ajwayele usawoti. Ubukhulu bawo be-molecular (isisindo) kanye nokukhokhisa ukuqina (amaphesenti ama-molecule anemali ekhokhwayo ye-anionic noma ye-cationic) kungahluka 'ekusetshenzisweni kwezinhlayiya emanzini futhi kubangele ukuba kube ndawonye futhi kubenze bahlangane ndawonye. Ngokuvamile, i-anionic flocculants isetshenziselwa ukubopha izinhlayiya zamaminerali, kanti ama-cotionic flocculant asetshenziselwa ukubopha izinhlayiya eziphilayo.
PH umsilawu
Ukususa izinsimbi nokunye ukungcola okuncibilikisiwe kusuka emanzini angcolile, kusetshenziswa umlawuli we-PH. Ngokukhulisa i-PH ye-PH, futhi ngaleyo ndlela ukwandisa inani lama-ion amabi we-hydroxide, lokhu kuzodala ama-metal ion abikwe kahle ngenhlanganisela ama-hydroxide ion. Lokhu kuphumela ekuhlungeleni izinhlayiya zensimbi eziminyene futhi ezingabonakali.
-Nobutshekele
Noma iyiphi inqubo yokwelashwa kwamanzi owayeyi-wastewater ophatha ama-solids amisiwe, ama-coabulents angahlanganisa ukungcola okumisiwe ukuze asuswe kalula. Ama-Chemical Chearants asetshenziselwa ukwenziwa kwamanzi angcolile wezimboni ahlukaniswe ngenye yezigaba ezimbili: i-organic ne-inorganic.
Ama-inorganic ahlanganisiwe ayabiza kakhulu futhi angasetshenziselwa ububanzi bezicelo ezibanzi. Basebenza ngokukhethekile ngokulwa namanzi avundwayo anoma yikuphi ukuguquguquka okuphansi, futhi lolu hlelo lokusebenza alulungele ama-organic ahlanganisiwe. Uma ungezwe kumanzi, ama-coagulants we-inorganic avela ku-aluminium noma insimbi evuthayo, edonsa ukungcola emanzini futhi ehlanza. Lokhu kwaziwa ngokuthi yindlela "yokushanela ne-flocccate". Ngenkathi esebenza ngempumelelo, inqubo inyusa inani eliphelele le-sludge elidinga ukususwa emanzini. Ama-coagulants ajwayelekile we-inorganic afaka i-aluminium sulfate, i-aluminium chloride, ne-ferfit sulfate.
Ama-Organic Coolants anezinzuzo zemithamo ephansi, ukukhiqizwa okuncane kwe-sludge futhi akukho mthelela ku-PH yamanzi aphethwe. Izibonelo zama-coagulants ajwayelekile ezi-organic zifaka ama-polyamines kanye ne-polydimethyl
Umugqa wethu we-Flocculants kanye nabakhokhi benzelwe ukuthuthukisa ukwelashwa kwamanzi amdaka futhi banciphise izindleko eziphelele zezinhlelo zokusebenza zokucubungula amaminerali, bahlangabezana nesidingo samakhemikhali wokulashwa kwamanzi ezinhlobonhlobo zezimo zohlelo lokusebenza.
Isikhathi sePosi: Feb-15-2023