Txoj kev siv PAC/PAM

Polyaluminum chloride: PAC luv luv, tseem hu ua basic aluminium chloride lossis hydroxyl aluminium chloride.

Lub Ntsiab Cai: los ntawm cov khoom hydrolysis ntawm polyaluminum chloride lossis polyaluminum chloride, cov dej nag colloidal hauv cov dej phwj lossis sludge yog tsim sai, uas yooj yim cais cov khoom loj ntawm cov nag lossis daus. Kev Ua Tau Zoo: Qhov tsos thiab kev ua tau zoo ntawm PAC muaj feem cuam tshuam nrog alkalinity, txoj kev npaj, cov khoom tsis huv thiab cov ntsiab lus alumina.

1, thaum lub alkalinity ntawm cov kua ntshiab polyaluminum chloride yog nyob rau hauv qhov ntau ntawm 40% ~ 60%, nws yog ib lub teeb daj pob tshab kua. Thaum lub alkalinity yog ntau tshaj 60%, nws maj mam ua ib tug xim pob tshab kua.

2, thaum lub alkalinity tsawg dua 30%, cov khoom polyaluminum chloride yog lub lens.

3, thaum lub alkalinity nyob rau hauv qhov ntau ntawm 30% ~ 60%, nws yog ib qho khoom siv colloidal.

4, thaum lub alkalinity ntau dua 60%, nws maj mam ua iav lossis resin. Khoom polyaluminum chloride ua los ntawm bauxite lossis av nplaum mineral yog daj lossis xim av.

Duab kos ntawm cov khoom

Kev faib tawm dav dav

22-24% cov ntsiab lus: Cov txheej txheem ziab nruas, tsis muaj phaj thiab thav duab lim dej, cov khoom tsis yaj dej siab dua, yog tus nqi lag luam tam sim no ntawm cov khoom lag luam, feem ntau yog siv rau kev kho dej khib nyiab hauv kev lag luam.

26% cov ntsiab lus: Cov txheej txheem ziab nruas, tsis muaj phaj thiab thav duab lim dej, cov khoom tsis yaj hauv dej qis dua 22-24%, cov khoom no yog tus qauv hauv tebchaws ntawm qib kev lag luam, tus nqi siab dua me ntsis, feem ntau yog siv rau hauv kev kho dej khib nyiab.

28% cov ntsiab lus: Qhov no muaj ob hom txheej txheem ntawm lub nruas ziab thiab tshuaj tsuag ziab, kua los ntawm lub phaj lim, dej tsis yaj dua li ob qho qis thawj, koom nrog PAC cov khoom qib siab, tuaj yeem siv rau kev kho dej phwj tsawg turbidity thiab kev kho dej ntawm cov kais dej ua ntej.

30% cov ntsiab lus: Muaj ob hom kev ziab nruas thiab kev ziab tsuag, cov kua niam los ntawm lub phaj lim, yog cov khoom PAC zoo, feem ntau siv rau hauv cov kais dej thiab kev kho dej hauv tsev uas tsis muaj turbidity.

32% cov ntsiab lus: qhov no yog ua los ntawm kev tsuag kom qhuav, txawv ntawm lwm cov khoom, qhov PAC no zoo li dawb, yog cov khoom siv siab purity non-ferrous polyaluminum chloride, feem ntau yog siv rau hauv kev lag luam tshuaj zoo thiab kev tsim khoom siv tshuaj pleev ib ce, koom nrog qib zaub mov.

Polyacrylamide: hu ua PA M, feem ntau hu ua flocculant lossis coagulant

Lub Ntsiab Cai: PAM molecular saw thiab dispersed theem los ntawm ntau yam mechanical, physical, chemical thiab lwm yam teebmeem, qhov dispersed theem txuas ua ke, tsim ib lub network, yog li txhim kho lub luag haujlwm.

Kev Ua Tau Zoo: PAM yog hmoov dawb, yaj hauv dej, yuav luag tsis yaj hauv benzene, ether, lipids, acetone thiab lwm yam organic solvents, polyacrylamide aqueous kua yog yuav luag pob tshab viscous kua, yog cov khoom tsis txaus ntshai, tsis muaj tshuaj lom, tsis corrosive, khoom PAM muaj hygroscopicity, hygroscopicity nce nrog rau qhov nce ntawm ionic degree.

Duab kos ntawm cov khoom

Kev faib tawm dav dav

PAM raws li nws cov yam ntxwv ntawm pawg dissociable yog muab faib ua anionic polyacrylamide, cationic polyacrylamide thiab non-ionic polyacrylamide. Ionic polyacrylamide.

Cationic PAM: Cov sludge ua haujlwm uas tsim los ntawm txoj kev biochemical

Anionic PAM: dej phwj thiab sludge nrog tus nqi zoo, xws li hlau cog, electroplating cog, metallurgy, thee ntxuav, plua plav tshem tawm thiab lwm yam dej phwj, muaj cov nyhuv zoo dua

PAM uas tsis yog ionic: rau cationic thiab anionic muaj cov nyhuv zoo, tab sis tus nqi chav tsev kim heev, feem ntau tsis tshua siv

Ob qho tib si ntxiv rau kev siv cov lus qhia

Kev ua kom cov dej ntws tawm yog dab tsi? Tom qab ntxiv cov coagulant rau hauv cov dej nyoos, sib tov tag nrho nrog lub cev dej, feem ntau ntawm cov khoom tsis huv hauv dej poob qhov ruaj khov, thiab cov khoom tsis ruaj khov colloid sib tsoo thiab sib xyaw ua ke hauv pas dej ua kom cov dej ntws tawm, thiab tom qab ntawd tsim cov floc uas tuaj yeem tshem tawm los ntawm txoj kev nag lossis daus.

Cov yam cuam tshuam ntawm flocculation

Cov txheej txheem ntawm kev loj hlob ntawm floc yog cov txheej txheem ntawm kev sib cuag thiab kev sib tsoo ntawm cov khoom me me.

Qhov zoo ntawm cov nyhuv flocculation nyob ntawm ob yam hauv qab no:

1 lub peev xwm ntawm cov polymer complexes tsim los ntawm coagulant hydrolysis los tsim cov adsorption thav duab choj, uas yog txiav txim siab los ntawm cov khoom ntawm coagulants

2 qhov feem pua ​​ntawm kev sib tsoo ntawm cov khoom me me thiab yuav ua li cas tswj lawv kom muaj kev sib tsoo zoo thiab ua tau zoo. Cov kev kawm txog kev kho dej ntseeg tias yuav kom muaj feem pua ​​ntawm kev sib tsoo ntau ntxiv, yuav tsum nce qhov ceev gradient, thiab kev siv zog ntawm lub cev dej yuav tsum nce los ntawm kev nce qhov ceev gradient, uas yog, nce qhov ceev ntawm lub pas dej flocculation (ntxiv: yog tias cov khoom sib sau ua ke thiab loj hlob sai dhau hauv flocculation, lawv yuav raug rhuav tshem. Muaj ob qhov teeb meem: 1 floc loj hlob sai dhau nws lub zog tsis muaj zog, hauv cov txheej txheem ntws ntsib kev txiav muaj zog yuav ua rau lub choj adsorption raug txiav tawm, qhov txiav tawm adsorption thav duab choj nyuaj rau txuas ntxiv mus, yog li cov txheej txheem flocculation kuj yog ib qho txheej txheem txwv, nrog rau kev loj hlob ntawm floc, qhov ceev ntws yuav tsum txo qis, yog li cov floc tsim tsis yooj yim tawg; 2 qee qhov floc loj hlob sai dhau yuav ua rau thaj chaw tshwj xeeb ntawm cov dej floc txo qis, qee qhov kev tsis sib haum xeeb tsis zoo tag nrho cov khoom me me poob cov xwm txheej kev tsis sib haum xeeb, cov khoom me me thiab cov khoom loj no qhov feem pua ​​sib tsoo txo ​​qis, nws nyuaj rau loj hlob dua, cov khoom no tsis tsuas yog khaws cia rau hauv lub tank sedimentation, nws kuj nyuaj rau khaws cia rau lub lim.)

Ntxiv cov kev cai

Thaum ntxov ntawm cov tshuaj tiv thaiv ntawm kev ntxiv cov coagulant, nws yog qhov tsim nyog los ua kom muaj feem cuam tshuam nrog cov dej phwj ntau li ntau tau, nce qhov sib tov lossis ntws nrawm. Nyob ntawm qhov sib tsoo ntawm cov dej ntws thiab lub phaj folding thiab cov dej ntws ntawm lub phaj folding kom nce qhov ceev, yog li ntawd cov dej me me sib tsoo lub sijhawm nce, yog li ntawd cov floc condensation. Thiab rau qhov tshuaj tiv thaiv lig, txhawm rau txo qhov ceev gradient, tuaj yeem tau txais cov flocculation zoo dua, cov nyhuv nag lossis daus.

Ntxiv cov khoom siv: thawv tshuaj, lub thawv cia tshuaj, lub tshuab sib tov tshuaj, lub twj tso kua tshuaj thiab cov khoom siv ntsuas. Nruab nrog kev siv cov txheej txheem

PAC, PAM dispensing concentration (rho tawm ntawm lub hnab ntim tshuaj thiab ntxiv rau hauv lub tank yaj) PAC thiab PAM dispensing concentration Raws li kev paub dhau los: PAC dissolution pool concentration ntawm 5% -10%, PAM concentration ntawm 0.1% -0.3%, cov ntaub ntawv saum toj no sib npaug rau qhov zoo, uas yog, txhua lub cubic dej PAC 50-100kg, PAM 1-3kg. Qhov concentration no siab heev, PAM dissolution peev xwm txwv, yuav tsum tau do tag nrho qhov nruab nrab ceev kom yaj tag nrho. Thaum lub caij ntuj sov, PAM dissolution concentration tuaj yeem nce kom raug rau 0.3-0.5%. Siv PAC dissolution concentration ntawm 10%, PAM dissolution concentration ntawm 0.5%, tom qab ntawd txhua lub cubic dej yaj PAC100kg, PAM5kg, kho lub diaphragm flow meter twj tso kua mis ntws, raws li 1 cubic meter / 24 teev xam, uas yog, Q = 42 litres / teev, tuaj yeem ua tiav qhov zoo tshaj plaws kho dej phwj tuaj. PAC, PAM tshuaj kho dej phwj tuaj (yaj rau hauv dej qub) Feem ntau, PAM yog 50-100ppm, PAM yog 2-5ppm, ppm yog ib lab, yog li ntawd, hloov mus ua 50-100 grams ntawm PAC ib tuj ntawm dej phwj tuaj, 2-5 grams ntawm PAM, feem ntau raws li qhov kev sim tshuaj no. Yog tias lub peev xwm kho dej phwj tuaj txhua hnub yog 2000 cubic meters, PAC dosage concentration raws li 50ppm, PAM dosage concentration raws li 2ppm xam, ces txhua hnub PAC dosage yog 100kg, PAM dosage yog 4kg. Cov dosage saum toj no yog xam raws li kev paub dav dav, cov dosage tshwj xeeb thiab cov dosage concentration yuav tsum raws li qhov kev sim tshwj xeeb ntawm cov dej zoo. Xam tus nqi teeb tsa hauv lub twj tso kua mis dosing flow meter.

Tom qab ntxiv cov tshuaj rau hauv cov dej phwj lossis cov av nkos, nws yuav tsum tau sib xyaw kom zoo. Lub sijhawm sib tov feem ntau yog 10-30 vib nas this, feem ntau tsis pub tshaj 2 feeb. Qhov ntau npaum li cas ntawm cov tshuaj thiab qhov concentration ntawm cov khoom me me colloidal, cov khoom seem hauv cov dej phwj lossis cov av nkos, qhov xwm txheej thiab cov khoom siv kho mob muaj kev sib raug zoo heev, qhov ntau npaum li cas ntawm kev kho mob sludge rau qee qhov, qhov ntau npaum li cas zoo tshaj plaws tau txais los ntawm ntau qhov kev sim. Raws li qhov ntau npaum li cas zoo tshaj plaws (ppm1 kom ntxiv qhov concentration) thiab dej ntws (t/h) thiab qhov kev teeb tsa ntawm qhov concentration ntawm cov tshuaj (ppm2 npaj concentration), tuaj yeem xam tau ntawm tus nqi tso saib ntawm lub twj tso kua mis flowmeter (LPM). Tus nqi tso saib ntawm lub twj tso kua mis flowmeter (LPM) = dej ntws (t/h)/60 × PPM1 kom ntxiv qhov concentration /PPM2 npaj concentration.

Lus Cim: ppm yog ib feem lab; cov ntsuas dej ntws ntawm lub twj tso kua mis, LPM yog litres/feeb; GPM yog gallons/feeb