Cov tshuaj kho dej feem ntau yog siv rau hauv plaub qhov loj: kev kho dej hauv nroog, kev kho dej hauv nroog thiab dej haus, kev kho dej phwj thiab dej khib nyiab, thiab dej hiav txwv desalination.
** Kev Kho Dej Kev Lag Luam: ** Siv rau cov dej txias txias ( nplai inhibitors, corrosion inhibitors, biocides), boiler dej (softeners, oxygen scavengers), thiab cov txheej txheem dej (hauv kev lag luam xws li roj av, tshuaj, hluav taws xob, thiab metallurgy) los tiv thaiv scaling, corrosion, thiab microbial kev loj hlob.
**Kev Kho Dej Hauv Nroog thiab Dej Haus:** Cov neeg ua haujlwm flocculants (xws li, PAC, PAM), tshuaj tua kab mob (xws li sodium hypochlorite, chlorine dioxide), pH regulators, thiab adsorbents (xws li, activated carbon) kom tshem tawm cov khib nyiab, cov kab mob, ntxhiab tsw, thiab cov hlau hnyav, yog li ua kom cov dej haus tau zoo.
** Kev kho dej phwj thiab dej khib nyiab: ** Npog ob lub nroog thiab cov dej khib nyiab; siv flocculants/coagulant aids (piv txwv li, polyacrylamide), dewatering agents, demulsifiers (rau oily wastewater), decolorizing agents, redox agents (rau kho cyanide thiab chromium residues), thiab tshuaj tua kab mob kom ua tiav cov khoom ua kua-kua sib cais, txo cov COD/BOD cov qauv, kom ntseeg tau tias muaj ntau ntau cov khoom pov tseg.
** Seawater Desalination:** Koom nrog qhov sib ntxiv ntawm scale inhibitors (piv txwv li, polyphosphates, organic phosphonates), flocculants, thiab ntxuav cov neeg ua haujlwm rau daim nyias nyias -raws li (rov qab osmosis) thiab cov txheej txheem distillation los tiv thaiv daim nyias nyias scaling thiab fouling, yog li txhim kho kev ua haujlwm zoo.
Tsis tas li ntawd, cov ntawv thov tshwj xeeb - xws li roj av rov ua dej (siv cov tshuaj ntxuav kom huv thiab biocides), cov dej rov qab siv dua, kev kho cov sludge (chaw ua haujlwm txias thiab dewatering agents), thiab cov tshuab txias ntauwd - kuj vam khom ntau ntawm cov tshuaj kho dej sib xyaw.