pH ntawm dej phwj tuaj
Tus nqi pH ntawm cov dej phwj tuaj yeem cuam tshuam zoo rau cov nyhuv ntawm flocculants.Tus nqi pH ntawm cov dej phwj yog cuam tshuam nrog kev xaiv ntawm flocculant hom, ntau npaum li cas ntawm flocculants thiab cov nyhuv ntawm coagulation thiab sedimentation.Thaum tus nqi pH yog<4, cov nyhuv coagulation yog qhov tsis zoo.Thaum tus nqi pH nyob nruab nrab ntawm 6.5 thiab 7.5, cov nyhuv coagulation zoo dua.Tom qab pH tus nqi>8, cov nyhuv coagulation ua tsis zoo dua.
Cov alkalinity hauv cov dej phwj tuaj muaj qee yam cuam tshuam rau PH tus nqi.Thaum cov alkalinity ntawm cov dej phwj tuaj tsis txaus, cov txiv qaub thiab lwm yam tshuaj yuav tsum tau ntxiv los ntxiv rau nws.Thaum pH tus nqi ntawm cov dej siab, nws yog ib qho tsim nyog yuav tsum tau ntxiv cov kua qaub los kho cov pH tus nqi rau nruab nrab.Hauv qhov sib piv, polymer flocculants tsis tshua cuam tshuam los ntawm pH.
qhov kub ntawm cov dej phwj tuaj
Qhov kub ntawm cov dej phwj tuaj yeem cuam tshuam rau qhov ceev ntawm flocculant.Thaum cov dej phwj tuaj ntawm qhov kub thiab txias, qhov viscosity ntawm cov dej yog siab, thiab tus naj npawb ntawm kev sib tsoo ntawm flocculant colloidal hais thiab impurity hais nyob rau hauv cov dej yog txo, uas cuam tshuam kev sib nrig sib adhesion ntawm flocs;Yog li ntawd, txawm hais tias qhov ntau npaum ntawm flocculants yog nce, qhov tsim ntawm flocs Nws tseem qeeb, thiab nws yog xoob thiab nplua-grained, ua rau nws nyuaj rau tshem tawm.
impurities hauv dej phwj tuaj
Qhov loj me me ntawm impurity hais hauv cov dej phwj tuaj yog qhov zoo rau flocculation, ntawm qhov tsis sib xws, cov khoom zoo thiab tsis zoo yuav ua rau cov nyhuv flocculation tsis zoo.Tsis tshua muaj concentration ntawm impurity hais feem ntau yog detrimental rau coagulation.Lub sijhawm no, refluxing sediment lossis ntxiv coagulation pab tuaj yeem txhim kho cov nyhuv coagulation.
Hom flocculants
Kev xaiv ntawm flocculant feem ntau yog nyob ntawm qhov xwm txheej thiab qhov concentration ntawm cov khib nyiab tshem tawm hauv cov dej phwj tuaj.Yog tias cov khib nyiab tshem tawm hauv cov dej phwj tuaj yog cov gel zoo li, cov tshuaj inorganic flocculants yuav tsum tau nyiam ua kom tsis muaj zog thiab coagulate.Yog hais tias cov flocs me me, cov polymer flocculants yuav tsum tau ntxiv los yog coagulation pab xws li activated silica gel yuav tsum tau siv.
Feem ntau, kev sib xyaw ua ke ntawm inorganic flocculants thiab polymer flocculants tuaj yeem txhim kho cov nyhuv coagulation thiab nthuav dav ntawm daim ntawv thov.
Kev noj tshuaj flocculant
Thaum siv coagulation los kho cov dej khib nyiab, muaj cov flocculants zoo tshaj plaws thiab cov tshuaj zoo tshaj plaws, uas feem ntau txiav txim siab los ntawm kev sim.Kev noj ntau dhau tuaj yeem ua rau rov ua kom muaj zog ntawm cov colloid.
Dosing sequence ntawm flocculant
Thaum siv ntau yam flocculants, qhov kev pom zoo ntawm koob tshuaj yuav tsum tau txiav txim siab los ntawm kev sim.Feem ntau hais lus, thaum inorganic flocculants thiab organic flocculants tau siv ua ke, cov inorganic flocculants yuav tsum tau ntxiv ua ntej, thiab tom qab ntawd cov organic flocculants yuav tsum tau ntxiv.
Tshaj tawm los ntawm Comet Chemical
Post lub sij hawm: Feb-17-2022