Yuav Ua Li Cas Xaiv Qhov Zoo Tshaj Plaws Polyaluminium Chloride (PAC) Los Ntawm Kev Xeem? —— Ua kom tiav Daim Ntawv Qhia Kev Ntsuas thiab Kev Txhim Kho Kom Zoo

Yuav Ua Li Cas Txog Kev Xaiv Txoj Cai PAC Cov Khoom Siv los ntawm Jar Test?

Rau cov chaw kho dej, cov chaw kho dej khib nyiab, thiab ntau yam kev kho dej khib nyiab,Polyaluminium Chloride(lub npe hu ua PAC)yog ib qho ntawm feem ntau siv inorganic polymer coagulants. Txawm hais tias nyob rau hauv cov dej huv huv, kev kho dej khib nyiab hauv nroog, lossis kev lag luam xws li papermaking, printing thiab dyeing, mining, thiab food processing, kev xaiv ntawm PAC cov khoom ncaj qha cuam tshuam rau coagulation efficiency, floc tsim ceev, sedimentation efficiency, thiab cov nqi ua haujlwm kawg.

Txawm li cas los xij, thaum yuav cov khoom lag luam PAC, ntau lub lag luam feem ntau xa mus rau cov kev ntsuas tsis zoo, cov ntawv xeem, lossis lwm yam kev tshawb fawb cov neeg siv khoom los ntawm cov neeg muag khoom. Thaum cov ntaub ntawv no muaj qee tus nqi siv, lawv tsis tuaj yeem cuam tshuam qhov kev kho mob tiag tiag ntawm cov khoom PAC tshwj xeeb hauv lawv tus kheej cov dej nyoos.

Cov kev sib txawv pom muaj nyob hauv cov dej tsis zoo thoob plaws cheeb tsam sib txawv, piv txwv li:

Kev hloov pauv hauv cov dej nyoos turbidity;

Qhov sib txawv ntawm cov ntsiab lus organic;

Qhov txawv pH ntau;

Tshaj tawm raws caij nyoog hloov pauv;

Sib txawv alkalinity thiab ionic compositions.

Cov xwm txheej no txhua tus cuam tshuam cov tshuaj tiv thaiv hydrolysis thiab coagulation kev ua tau zoo ntawm PAC; Yog li ntawd, tib yam khoom PAC yuav pom tau tias muaj kev kho mob sib txawv hauv cov nroj tsuag dej sib txawv.

Precisely vim hais tias ntawm no, lub Jar Test tau dhau los ua tus txheej txheem thoob ntiaj teb kev soj ntsuam PAC nyob rau hauv kev lag luam kho dej, thiab nws kuj yog ib qho tseem ceeb ntawm kev sim rau kev txiav txim siab Optimal PAC Dosage, optimizing coagulation txheej txheem, thiab ntsuam xyuas cov kev ua tau zoo ntawm cov khoom tshiab khoom.

Rau cov chaw lag luam npaj los hloov PAC cov chaw muag khoom, txhim kho cov nqi tshuaj lom neeg, lossis ua kom cov dej ntws zoo, ua tiav cov txheej txheem Jar Test tsis tsuas yog txo cov kev pheej hmoo ntawm kev yuav khoom tab sis kuj muab cov ntaub ntawv txhim khu kev qha rau kev txhim kho cov txheej txheem tom ntej.

Raws li tus kws tshaj lij kev kho dej kev daws teeb meem, ECOLINK TECHNOLOGY tau muab cov neeg siv khoom thoob ntiaj teb ntev nrog Industrial Qib PAC,Haus Dej Qib PAC, nrog rau cov kev pabcuam kev txhawb nqa dav dav. Peb pab neeg ua haujlwm engineering tuaj yeem pab tsim kev tshawb fawb txog Jar Test schemes raws li cov neeg siv khoom 'cov dej zoo tiag tiag, thiab pom zoo kom zoo dua PAC qauv ua ke nrog cov txiaj ntsig kev sim, pab cov neeg siv khoom kom ua tiav cov txiaj ntsig zoo ntawm cov nqi tshuaj thiab cov nqi ua haujlwm thaum lav kev kho mob.

Yog vim li cas lub thawv kuaj yog txoj kev ntseeg siab tshaj plaws rau xaiv PAC cov khoom?

Thaum lub sij hawm PAC cov txheej txheem xaiv cov khoom, cov lus nug nram qab no nquag ntsib:

Ob tus neeg muag khoom thov lawv PAC muab qhov zoo tshaj plaws coagulation kev ua tau zoo; Peb yuav tsum ntseeg leej twg?

Cov khoom ntsuas ntsuas yog qhov zoo ib yam, yog li vim li cas thiaj li muaj qhov sib txawv ntawm kev ua haujlwm tiag tiag?

Vim li cas qhov koob tshuaj tau nce ntxiv rau cov khoom lag luam tshiab PAC, tab sis nws tsis ua tiav qhov kev xav tau ntawm kev kho mob?

Peb tuaj yeem txiav txim siab seb PAC tam sim no puas tau mus txog nws qhov kev pom zoo?

Puas yog nws tsim nyog los ntxiv PAM (Polyacrylamide) ib txhij los txhim kho cov nyhuv flocculation?

Cov lus nug no feem ntau tsis tuaj yeem teb kom raug los ntawm kev cia siab rau cov ntaub ntawv cov khoom lag luam lossis kev ua haujlwm keeb kwm.

Tus nqi tseem ceeb ntawm Jar Test yog nyob rau hauv nws lub peev xwm los simulate tag nrho cov coagulation, flocculation, thiab sedimentation txheej txheem nyob rau hauv lub chaw soj nstuam, tso cai rau txawv PAC khoom mus rau undergo kab rov tav sib piv nyob rau hauv zoo tib yam kev sim tej yam kev mob, yog li yielding piv cov ntaub ntawv sim.

Piv nrog rau kev txiav txim siab, Jar Test muaj cov txiaj ntsig hauv qab no:

1. Kev txiav txim siab ceev ntawm qhov zoo tshaj plaws PAC Dosage

Los ntawm kev teeb tsa ntau qhov sib txawv ntawm PAC dosing concentrations, ua tiav PAC Dose Response Curve tuaj yeem tsim tau, pab cov neeg ua haujlwm nrhiav pom cov tshuaj noj kom zoo sib xws rau qhov qis tshaj plaws turbidity, es tsis yog cia siab rau qhov kwv yees kwv yees. Qhov no tsis yog tsuas yog txo PAC pov tseg xwb tab sis kuj pab txo cov nqi ua haujlwm thiab txhim kho kev kho mob tag nrho.

2. Lub Hom Phiaj Sib piv ntawm cov khoom sib txawv PAC 'Kev ua tau zoo

Thaum lub tuam txhab npaj yuav hloov PAC cov neeg xa khoom, tsuas yog muab piv rau cov khoom lag luam alumina cov ntsiab lus lossis tus nqi tsis txaus. Los ntawm Kev Xeem Lub Thawv, kev sim sib npaug tuaj yeem ua rau ntau hom lossis qauv ntawm PAC nyob rau hauv tib cov dej nyoos, tib qhov kub thiab txias, thiab tib lub zog sib xyaw kom ntsuas cov khoom ua tau zoo hla ntau qhov ntev, xws li:

Kev hloov pauv ntawm cov kua dej turbidity;

Floc tsim ceev;

Floc particle loj;

Sedimentation tshaj tawm;

Supernatant pob tshab;

Dosage adaptability ntau yam.

Txoj kev sim no tiv thaiv kev txiav txim tsis raug los ntawm kev hloov pauv ntawm -qhov chaw ua haujlwm, txhim kho qhov tseeb ntawm kev txiav txim siab yuav khoom.

3. Kev ua kom zoo ntawm cov txheej txheem coagulation tsis

Kev kho mob ntawm PAC tsis yog tsuas yog cuam tshuam nrog cov khoom zoo tab sis kuj cuam tshuam los ntawm ntau yam xws li kev sib xyaw siv, lub sijhawm tshuaj tiv thaiv, pH dej nyoos, thiab dej kub. Kev ua tiav ntawm Jar Test tuaj yeem ntsuas ntxiv:

Seb PAC coagulation efficiency hloov nyob rau hauv txawv pH tej yam kev mob;

Txawm hais tias PAC ntau npaum li cas yuav tsum tau nce nyob rau hauv qis -kub lub caij ntuj no;

Seb lub sij hawm flocculation cov tshuaj tiv thaiv yuav tsum tau ncua;

Seb nws yuav tsum tau siv ua ke nrogPolyacrylamide (PAM)txhawm rau txhim kho floc qauv thiab sedimentation kev ua tau zoo.

Rau kev kho dej khib nyiab hauv kev lag luam, cov txiaj ntsig kev sim no tuaj yeem coj ncaj qha rau kev ua kom zoo ntawm - qhov chaw ua haujlwm tsis ua haujlwm.

4. Kev txo qis ntawm kev pheej hmoo coj los ntawm kev hloov PAC cov neeg muab khoom

Ntau lub tuam txhab hloov PAC cov chaw muag khoom thiab muab cov khoom lag luam raws li tus nqi nqe lus lossis cov khoom lag luam, tsuas yog nrhiav tau tom qab:

Siab effluent turbidity;

Nce sludge ntim;

Kev siv PAC ntau dua;

Nce load rau tom ntej pom systems.

Cov teeb meem no feem ntau txhais tau hais tias cov nqi ua haujlwm tiag tiag nce es tsis txhob poob. Kev txheeb xyuas qhov ua tau zoo ntawm cov khoom sib txawv ntawm PAC ua ntej ntawm Jar Test tuaj yeem zam qhov kev pheej hmoo ntawm kev ua haujlwm los ntawm qhov muag tsis pom kev, thiab tseem tuaj yeem pab pawg neeg muag khoom tsim kom muaj kev soj ntsuam kev lag luam ntau dua.

Dab tsi yog Qhov Ntsuas Qhov Ntsuas Qhov Ntsuas Qhov Ntsuas Ntsuas Ntsuas Qhov Ntsuas?

Ib tug qauv Jar Test tsis yog hais txog kev soj ntsuam seb flocs daim ntawv; Qhov tseem ceeb tshaj, nws yog hais txog kev tsim kom muaj kev txheeb xyuas cov ntaub ntawv qhia txog kev ua kom muaj nuj nqis rau PAC cov khoom xaiv. Feem ntau, tus qauv PAC Jar Test tuaj yeem pab cov engineers tau txais cov ntaub ntawv tseem ceeb hauv qab no:

① Optimal PAC Dosage

Qhov no yog lub hom phiaj tseem ceeb tshaj plaws ntawm kev xeem ntawm Jar Test. Los ntawm ntau qhov kev ntsuas gradient, qhov ntau npaum li cas ntawm PAC ua tiav nws qhov kev ua tau zoo tshaj plaws ntawm coagulation tuaj yeem txiav txim siab, thaum tsis txhob ua tiav coagulation vim tsis muaj tshuaj ntxiv, lossis kev them nqi rov qab los ntawm kev noj ntau dhau, uas ua rau txo qis hauv kev kho mob.

② PAC Dose-Response Relationship

Raws li PAC ntau npaum li cas yog kauj ruam - los ntawm - kauj ruam nce, cov dej turbidity feem ntau ua raws li cov txheej txheem evolutionary hauv qab no:

Coagulation kev ua tau zoo zuj zus tuaj;

Qhov kev kho kom zoo tshaj plaws tau mus txog;

Kev ua tau zoo pib poob qis tom qab ntau tshaj qhov kev pom zoo;

Qhov tshwm sim ntawm overdosing tshwm sim.

Ib koob tshuaj tiav -cov lus teb nkhaus tuaj yeem pab cov tswv lag luam tsim kom muaj kev tswj hwm kev noj tshuaj kom ruaj khov dua, tsis yog kev cia siab rau qhov muaj txiaj ntsig zoo.

③ Kev sib piv kev ua tau zoo ntawm cov khoom sib txawv PAC

Rau cov chaw muag khoom, tsuas yog sib piv cov nqi tuaj yeem ua tsis tau raws li cov kev xav tau ntawm kev kho dej niaj hnub no. Lub Jar Test tuaj yeem ntsuas qhov sib txawv ntawm cov khoom PAC raws li tib yam kev ua haujlwm ntawm lawv:

Coagulation efficiency;

Floc zoo;

Sedimentation tshaj tawm;

Dej zoo stability;

Dosage adaptability ntau yam;

Txheej txheem kev ua haujlwm kev nyab xeeb margin.

Cov ntsuas no suav nrog txiav txim siab seb PAC cov khoom puas tsim nyog rau kev ua haujlwm ntev -.

Tus Txheej Txheem Kev Ua Haujlwm rau PAC Jar Test: Yuav Ua Li Cas Kom Tau Txais Qhov Tseeb thiab Rov Ua Dua Kev Xeem?

Tom qab ua tiav qhov kev tshuaj ntsuam xyuas ua ntej ntawm PAC cov khoom, cov kauj ruam tom ntej yog ua qhov Jar Test raws li kev sib koom ua ke thiab cov txheej txheem kev sim. Txawm hais tias qhov kev sim tsim yog kev tshawb fawb ncaj qha txiav txim siab seb qhov kev xeem tau muaj txiaj ntsig siv.

Rau kev ntsuam xyuas ntawmPolyaluminium Chloride (PAC)cov khoom, txhua qhov sib txawv yuav tsum tau khaws cia zoo ib yam nkaus thaum lub sijhawm sim, suav nrog cov qauv dej nyoos, PAC dosing txoj kev, nplawm nrawm, lub sijhawm tshuaj tiv thaiv, thiab cov txheej txheem tshuaj xyuas. Tsuas yog nyob rau hauv txoj kev no tuaj yeem ua tau qhov sib txawv ntawm cov khoom sib txawv PAC tuaj yeem cuam tshuam tiag tiag.

ECOLINK TECHNOLOGY pom zoo kom tsim kom muaj Tus Txheej Txheem Kev Ua Haujlwm (SOP) rau Kev Xeem Lub Thawv ua ntej muab cov khoom tshiab los yog ua kom zoo dua cov txheej txheem, kom ntseeg tau tias txhua qhov kev sim muaj qhov rov ua tau zoo thiab sib piv.

Dab tsi yog Cov Khoom Siv Chav Ua Haujlwm Xav Tau rau Kev Xeem Lub Thawv?

Txhawm rau kom ntseeg tau tias cov ntaub ntawv sim ua kom raug thiab txhim khu kev qha, nws raug nquahu kom nruab cov cuab yeej hauv qab no:

Rau -paddle Jar Test stirrer (nrog rau kev tswj ceev ceev)

Rau 1000 mL beakers los yog pob tshab square cov tshuaj tiv thaiv hub

Calibrated Turbidity Meter

pH Meter

Pipette phom, pipettes, thiab kawm tiav cylinders

Precision hluav taws xob sib npaug

Stopwatch los yog timer

Daim ntawv teev cov ntaub ntawv

Ntawm cov no, rau -paddle Jar Test cov cuab yeej tuaj yeem ua kom ntseeg tau tias tag nrho cov qauv raug sim nyob rau hauv cov xwm txheej zoo sib xws, ua rau nws yog qhov tseem ceeb tshaj plaws rau kev sim ntsuas kev ua haujlwm ntawmPAC Coagulant.

Raw Water Sample Collection Requirements

Yog vim li cas vim li cas ntau lub lag luam 'Jar Test cov txiaj ntsig sib txawv ntawm - qhov chaw ua haujlwm tsis yog qhov teeb meem nrog PAC cov khoom nws tus kheej, tab sis tsis muaj tus sawv cev hauv cov qauv dej nyoos. Yog li ntawd, ua ntej ua PAC Jar Test, qhov tseem ceeb yuav tsum tau muab los xyuas kom meej tias cov dej nyoos uas tau sau tseg tuaj yeem cuam tshuam txog kev kho mob tam sim no.

Nws raug pom zoo kom ua raws li cov hauv qab no:

1. Xaiv Tus Neeg Sawv Cev Cov Dej Raw

Cov kev ua haujlwm sib txawv tuaj yeem raug xaiv raws li lub tuam txhab cov kev xav tau tiag tiag, xws li:

Kev ua haujlwm ruaj khov ua haujlwm dej zoo;

Siab- dej turbidity thaum lub caij los nag;

Tsawg- dej tsis qab nyob rau lub caij ntuj no;

Tshwj xeeb kev khiav hauj lwm tej yam kev mob nrog heev fluctuating dej zoo.

Yog tias lub tuam txhab xav ua kom zoo dua PAC cov phiaj xwm kev siv tshuaj xyoo -ib puag ncig, cov ntaub ntawv cov ntaub ntawv yuav tsum raug tsim kom sib cais rau lub caij sib txawv, es tsis yog cia siab rau ib qho kev sim ib zaug xwb.

2. Txo qhov kev ncua ncua sij hawm

Txhawm rau kom muaj kev ruaj ntseg ntawm cov qauv dej cov tshuaj lom neeg, nws raug nquahu kom:

Ua kom tiav qhov kev sim Jar Test hauv 30 feeb tom qab kuaj.

Yog tias qhov kev sim tam sim no ua tsis tau:

Khaws cov qauv hauv qhov chaw txias txias ntawm 4 degree;

Ua kom tiav qhov kev sim hauv 24 teev;

Kev cia khov khov yog txwv tsis pub, vim nws zam kev hloov pauv hauv cov qauv colloidal uas yuav cuam tshuam rau PAC coagulation efficiency.

3. Ua kom muaj tus qauv tsim nyog

Nws raug pom zoo kom npaj tsawg kawg:

Ntau dua lossis sib npaug li 8 L ntawm cov qauv dej nyoos rau ib qho kev sim

Qhov no tsis tsuas yog tso cai rau kev ua tiav ntawm tag nrho cov kev xeem ntawm Jar Tests tab sis kuj tseem ua kom rov ua pov thawj, ua kom muaj kev ntseeg siab ntawm cov txiaj ntsig kev sim.

Yuav Ua Li Cas Npaj PAC Cov Lus Qhia?

Txhawm rau kom ntseeg tau tias PAC ntau npaum li cas thoob plaws txhua lub beakers yog qhov tseeb thiab zoo ib yam, nws raug nquahu kom ua ntej npaj cov txheej txheem kev daws teeb meem.

Pom zoo concentration:

1% (w/v) PAC cov khoom lag luam

Ntawd yog:

Qhov hnyav 1.0 g ntawm hmoov PAC (kua PAC yuav tsum tau hloov raws li cov ntsiab lus sib npaug);

Ntxiv dej distilled;

Nqa mus rau ib lub ntim ntawm 100 mL;

Do kom huv si kom txog thaum yaj tag.

Qhov zoo tshaj plaws ntawm txoj kev npaj no yog nyob rau hauv nws txoj kev simplicity:

Ntxiv 1 mL ntawm cov tshuaj tov rau 1000 mL ntawm cov dej nyoos=PAC ntau npaum li cas ntawm 10 mg / L

Qhov kev sib raug zoo ntawm kev hloov pauv no tuaj yeem txo qhov yuam kev ntawm kev suav phau ntawv, txhim kho kev sim ua kom zoo dua qub, thiab yog tus qauv siv los ntawm ntau lub chaw soj nstuam.

Yuav Ua Li Cas Tsim PAC Dosing Gradient?

Nyob rau hauv cov dej tsis zoo sib txawv, qhov kev pom zoo ntawm PAC ntau npaum li cas sib txawv heev; yog li ntawd, nws raug pom zoo kom txais yuav ib txoj hauv kev gradient dosing los tsim kom tiav koob tshuaj - teb nkhaus.

(I) Tsawg-Turbidity Raw Dej (< 20 NTU)

Pom zoo PAC dosing ntau yam:

2 mg/l

5 mg/l

10 mg/l

15 mg/l

20 mg/l

30 mg/l

Muaj feem xyuam rau:

Nto dej

Haus dej pretreatment

Tej yam kev lim dej hauv av

(II) Nruab nrab -Turbidity Raw Dej (20–100 NTU)

Pom zoo PAC dosing ntau yam:

5 mg/l

10 mg/l

20 mg/l

30 mg/l

50 mg/l

70 mg/l

Muaj feem xyuam rau:

Cov dej khib nyiab hauv nroog

Industrial circulating dej

General industrial wastewater kho mob

Cov theem no feem ntau kuj yog qhov kev khiav hauj lwm qhov twgMuaj Qib PACyog feem ntau siv.

(III) High-Turbidity Raw Water (>100 NTU)

Pom zoo PAC dosing ntau yam:

10 mg/l

20 mg/l

40 mg/l

60 mg/l

80 mg/l

100 mg / L

Muaj feem xyuam rau:

Dej nyab lub sij hawm

Xuab zeb- ntxuav cov dej khib nyiab

Mining dej khib nyiab

Kev tsim kho qhov chaw dej khib nyiab

Raws li turbidity nce, PAC ntau npaum li cas yuav tsum tau nthuav dav kom tsim nyog los xyuas kom meej tias qhov tseeb qhov pom kev pom zoo tuaj yeem pom.

Standard Jar Test Mixing Procedure

Cov txheej txheem sib xyaw ua ke yog qhov tseem ceeb rau kev tsim cov flocs ruaj khov. Nws raug nquahu kom ua qhov kev sim ua raws li cov kauj ruam hauv qab no:

Kauj Ruam 1: Ntxiv dej nyoos

Ntxiv rau txhua tus ntawm rau lub beakers:

1000 mL ntawm cov qauv dej nyoos

Xyuas kom meej tias tag nrho cov beakers siv tib cov qauv dej.

Kauj Ruam 2: Sib tov nrawm

Teem lub stirring ceev:

200-250 rpm

Sib piv kwv yees rau kev sib xyaw gradient ntawm:

G = 200–300 s⁻¹

Tom qab ntawd:

Ib txhij ntxiv cov tshuaj PAC Tshuag;

Tam sim ntawd pib lub sij hawm;

Do sai sai rau 60 vib nas this.

Lub hom phiaj ntawm theem no yog tso cai rau covPolyaluminium Chloride (PAC)kom sai thiab uniformly disperse, thiab ua kom tiav tus nqi pib neutralization cov tshuaj tiv thaiv.

Kauj Ruam 3: Slow Flocculation

Tom qab txo qhov kev sib hloov ceev:

30-40 rpm

Hais txog:

G = 20–40 s⁻¹

Do tsis tu ncua rau:

20 feeb

Kev nplawm qeeb tuaj yeem txhawb kev sib tsoo ntawm micro- cov khoom, tsim cov flocs nrog qhov loj me me thiab txhim kho kev ua kom cov sedimentation tom qab. Rau qee qhov siab -concentration industrial wastewaters, lub sij hawm flocculation kuj tuaj yeem hloov kho raws li cov xwm txheej tiag tiag, tab sis nws raug pom zoo kom khaws cov kev sim zoo ib yam rau txhua qhov qauv.

Kauj Ruam 4: Quiescent Sedimentation

Tom qab nres lub stirring:

Cia sawv ntsug li 30 feeb

Thaum lub sij hawm sedimentation:

Tsis txhob txav cov beakers;

Tsis txhob vibrations;

Tiv thaiv kom rov- cuam tshuam ntawm flocs.

Ib puag ncig zoo sedimentation tuaj yeem cuam tshuam qhov kev daws teeb meem ntawm PAC cov khoom.

Kauj Ruam 5: Sau Supernatant

Siv lub pipette los yog sampler rau:

Siv ib qho piv txwv ntawm kwv yees li 5 cm hauv qab cov kua dej.

Txoj haujlwm no tuaj yeem zam:

Kev cuam tshuam los ntawm floating flocs;

Kev cuam tshuam los ntawm cov pob zeb hauv qab;

Kev lees paub tias cov ntaub ntawv txheeb xyuas tau ruaj khov dua.

Kauj Ruam 6: Ntsuas Cov Ntsuas Qhov Ntsuas

Tom qab ua tiav cov sedimentation, cov cim tseem ceeb ntawm cov supernatant nyob rau hauv txhua lub beaker yuav tsum raug kuaj raws, suav nrog:

Dej turbidity

tus nqi pH

Xim Xim

Floc loj

Floc compactness

Sedimentation ceev

Rau cov dej haus kho cov dej num, nws tseem pom zoo kom ntxiv:

Residual Aluminium

Raws li ib qho ntawm cov cim tseem ceeb rau kev ntsuasHaus Dej Qib PAC.

Vim li cas thiaj yuav tsum tau sim tej yam kev mob kom nruj zoo ib yam?

Thaum lub sij hawm PAC cov txheej txheem sib piv cov khoom, ib qho kev hloov pauv hauv ib qho kev hloov pauv tuaj yeem ua rau cov txiaj ntsig kev sim poob lawv qhov tseem ceeb siv. Yog li ntawd, thoob plaws hauv tag nrho cov txheej txheem Jar Test, nws yuav tsum tau ua kom ntseeg tau tias cov xwm txheej hauv qab no nyob twj ywm zoo ib yam:

Cov dej tsis sib xws;

Cov dej sib xyaw ua ke ntim ib lub thawv (1000 mL);

Ua raws li PAC cov khoom lag luam kev daws teeb meem;

Synchronized dosing lub sij hawm;

Kev sib xyaw nrawm nrawm (200-250 rpm);

Lub sijhawm sib xyaw nrawm nrawm (60 vib nas this);

Kev sib txhuam qeeb qeeb (30-40 rpm);

Lub sij hawm ua kom qeeb qeeb (20 feeb);

Lub sij hawm sedimentation tsis tu ncua (30 feeb);

Cov cuab yeej ntsuas ntsuas tau ntsuas tag nrho.

Tsuas yog nyob rau hauv cov kev sim zoo tib yam yuav qhov kev sib piv cov txiaj ntsig ntawm cov khoom sib txawv PAC, polyaluminium chloride coagulants, lossis lwm tus neeg muab khoom 'Kev Kho Dej Coagulants muaj kev tshawb fawb siv tau thiab kev ntseeg siab.

Yuav txhais li cas kom raug PAC Jar Test Results?

Tom qab ua tiav qhov kev sim, qhov tseeb txiav txim siab seb PAC cov khoom puas tsim nyog rau daim ntawv thov tiag tiag tsis yog lub beaker muaj qhov loj tshaj plaws flocs, tab sis yog ib qho kev soj ntsuam ntawm tag nrho cov ntaub ntawv sim. Rau kev xaiv ntawmPolyaluminium Chloride (PAC), nws raug nquahu kom ua qhov kev ntsuam xyuas dav dav ua ke nrog cov turbidity, floc yam ntxwv, sedimentation kev ua tau zoo, thiab kev ua haujlwm ruaj khov, tsis yog kev txiav txim siab raws li ib qho qhia.

ECOLINK TECHNOLOGY pom zoo kom npaj tag nrho cov ntaub ntawv sim rau hauv ib lub rooj thiab npaj PAC Dose-Response Curve, uas tso cai rau kev txiav txim siab ntau dua ntawm qhov pom kev noj ntau thiab kev ua tau zoo ntawm cov khoom sib txawv.

Yuav Ua Li Cas Npaj PAC Dose-Response Curve?

Nws yog pom zoo kom npaj lub variation nkhaus nrog:

X-axis: PAC Dosage (mg/L)

Y-axis: Effluent Turbidity (NTU)

Qhov koob tshuaj PAC raug thiab zoo tagnrho-cov lus teb nkhaus feem ntau mus txog peb theem:

Theem 1: Dosage nce, turbidity tsis tu ncua

Raws li cov koob tshuaj PAC tau nce zuj zus, colloidal hais tsis tu ncua raug nqi nruab nrab, tsim ntau thiab loj dua flocs, thiab yog li cov dej turbidity maj mam txo. Cov theem no qhia tau hais tias PAC tseem tsis tau mus txog nws txoj kev pom kev coagulation.

Theem 2: Qhov tsawg kawg nkaus turbidity tau mus txog

Thaum PAC yog dosed mus txog rau ib tug npaum li cas, cov dej turbidity mus txog nws tus nqi qis tshaj, uas feem ntau qhia tau hais tias:

Cov tshuaj tiv thaiv coagulation tag nrho;

Qhov zoo tshaj plaws floc tsim nyhuv;

Qhov siab tshaj sedimentation efficiency;

Qhov zoo tshaj plaws tshuaj siv tus nqi.

Qhov koob tshuaj no feem ntau tuaj yeem ua haujlwm raws li qhov chaw kuaj mob - pom zoo kom noj PAC zoo.

Theem 3: Turbidity nce ntxiv tom qab txuas ntxiv nce PAC

Ntau tus neeg siv yuam kev ntseeg tias ntau PAC ntxiv, qhov txiaj ntsig zoo dua yuav yog; qhov tseeb, qhov no tsis yog li ntawd. Thaum PAC tshaj li qhov pom tau zoo, cov khoom seem tuaj yeem raug them rov qab, thiab cov flocs uas twb tau tsim lawm rov- tawg, ua rau muaj qhov tshwm sim hu uaKev them nyiaj rov qab.

Nws ib txwm manifestations muaj xws li:

Cov dej turbidity nce ntxiv;

Flocs ua me thiab looser;

Sedimentation tshaj tawm poob;

Supernatant pob tshab txo.

Yog li ntawd, PAC tsis yog rooj plaub ntawm "qhov ntau dua qhov zoo dua," thiab kev tswj xyuas qhov ntau npaum li cas yog tus yuam sij kom tau txais kev kho mob zoo tshaj plaws.

Yuav txiav txim siab npaum li cas PAC hauv Kev Ua Haujlwm Tseeb?

Nws tsis pom zoo kom siv ncaj qha rau qhov zoo tshaj plaws tau txais los ntawm Jar Test raws li nyob rau ntawm - qhov chaw ua haujlwm ntau npaum li cas. Hauv kev tsim khoom tiag tiag, dej tsis zoo, dej kub, thiab tus nqi ntws yuav hloov pauv txhua yam; yog li ntawd, qhov kev nyab xeeb margin yuav tsum tau tseg kom tsim nyog.

Nws raug pom zoo kom teeb tsa qhov kev ua haujlwm PAC ntau npaum li cas rau:

10% mus rau 15% qis dua tus nqi reversal point.

Qhov no tuaj yeem txo qhov kev pheej hmoo ntawm cov tshuaj overdosing los ntawm kev hloov pauv ntawm cov dej tsis zoo, txhim kho kev ua haujlwm ruaj khov.

Piv txwv li:

Yog tias Jar Test tau tshwm sim:

Qhov kev ua tau zoo tshaj plaws tshwm sim ntawm 30 mg / L;

Kev them nyiaj rov qab pib tshwm sim ntawm 35 mg / L;

Tom qab ntawd ntawm - qhov chaw ua haujlwm tau pom zoo kom muab qhov tseem ceeb rau kev hloov pauv hloov pauv nyob ib puag ncig 30 mg / L, es tsis yog siv cov tshuaj ntau dua 35 mg / L rau lub sijhawm ntev.

Yuav Ua Li Cas Sib Piv Ob Cov Khoom Siv PAC?

Thaum ib lub lag luam hloov PAC cov chaw muag khoom, lawv tsis tuaj yeem sib piv qhov qis tshaj plaws turbidity; lawv kuj yuav tsum tau ua tib zoo txheeb xyuas cov khoom ua tau zoo. ECOLINK TECHNOLOGY pom zoo kom siv qhov sib npaug Jar Tests los sim ob PAC cov khoom lag luam synchronously, thaum khaws txhua qhov kev sim ua kom zoo ib yam, suav nrog:

Tib cov dej nyoos;

Tib dosing gradient;

Tib stirring program;

Tib lub sijhawm xeem.

Tom qab ntawd, tsom mus rau kev sib piv cov ntsuas hauv qab no.

1. Dose-Cov lus teb Curve

Tsis txhob cia li saib qhov qis tshaj plaws turbidity, tab sis saib xyuas tag nrho cov nkhaus. Yog tias qee qhov PAC nthuav tawm:

Kev pom zoo ntau npaum li cas;

Ib qho nkhaus nkhaus;

Nws qhia tau hais tias nws muaj qhov hloov tau zoo dua rau qhov hloov pauv ntawm cov dej nyoos, thiab ntawm - qhov chaw ua haujlwm ua haujlwm tsis raug siab dua. Hloov pauv, yog tias qhov nkhaus yog qhov tob heev, nws txhais tau hais tias me ntsis nce lossis txo qhov PAC ntau npaum li cas tuaj yeem ua rau muaj kev hloov pauv hauv kev kho mob, ua kom muaj kev xav tau ntau dua rau kev tswj xyuas kev ua haujlwm.

2. Floc Formation Zoo

Siab - zoo PAC feem ntau tuaj yeem tsim cov flocs uas muaj:

Cov khoom loj dua;

Cov qauv nruj;

Siab zog;

Kev tiv thaiv kev tawg.

Xws li flocs tuaj yeem txhim kho sedimentation efficiency thiab alleviate lub load ntawm tom ntej pom systems.

3. Kev nrawm nrawm

Ntxiv nrog rau kev soj ntsuam qhov kawg turbidity, ib qho yuav tsum tau sau tseg:

Lub sij hawm xav tau rau cov kua ntshiab kom pom tseeb;

Floc sedimentation tshaj tawm;

Supernatant clarification ceev.

Faster sedimentation feem ntau txhais tau hais tias PAC coagulation kev ua tau zoo yog qhov ruaj khov, uas yog qhov zoo rau kev txhim kho kev ua haujlwm ntawm kev kho mob.

4. Cov dej phwj tuaj txawv pH

Qhov sib ntxiv ntawm PAC yuav cuam tshuam rau lub cev pH. Yog li ntawd, ib tug yuav tsum tau sau ib txhij:

pH dej nyoos;

pH tom qab noj tshuaj;

pH variation tiam sis nyob rau hauv ntau npaum li cas.

Yog tias qee qhov PAC ua rau me me pH hloov pauv, nws yuav yooj yim dua los tswj kev ua haujlwm ruaj khov thiab txo cov nqi hloov kho tom ntej.

5. Cov dej haus dej yuav tsum tau kuaj cov khoom seem ntawm txhuas

Rau Kev Haus Dej Qib PAC, nws raug pom zoo kom ntxiv:

Residual Aluminium

Raws li cov khoom ntsuas ntsuas. Qhov seem seem aluminium feem ntau txhais tau hais tias PAC hydrolysis ua tiav, uas yog qhov zoo dua rau kev kho dej haus.

Dab tsi cuam tshuam pH muaj rau PAC Coagulation Efficacy?

PAC belongs rau qeb ntawm coagulants uas kuj rhiab heev rau pH. Txhawm rau nrhiav qhov kev ua haujlwm zoo tshaj plaws, Jar Tests nyob rau hauv pH sib txawv tuaj yeem tsim.

Piv txwv li:

pH 5.5

pH ntawm 6.5

pH 7.0 Nws

pH 7.5

pH ntawm 8.0

pH ntawm 8.5

Txhua qhov kev sim tswj xyuas qhov pom zoo PAC ntau npaum li cas tsis hloov pauv, kho tsuas yog cov dej nyoos pH. Tom qab sib piv:

Dej turbidity;

Floc loj;

Sedimentation tshaj tawm;

Supernatant pob tshab.

Los ntawm qhov kev sim no, qhov kev ua haujlwm zoo tshaj plaws ntawm cov khoom lag luam PAC tam sim no nyob rau hauv cov xwm txheej pH sib txawv tuaj yeem txiav txim siab, muab lub hauv paus rau ntawm - kev ua kom zoo ntawm qhov chaw.

Vim li cas thiaj yuav tsum qis -Tsuas kub kuj tseem raug cais raws li kev xeem lub thawv?

Lub caij ntuj no kub qis qis PAC hydrolysis ceev thiab particle sib tsoo efficiency, yog li cuam tshuam rau coagulation efficiency. Yog li ntawd, nyob rau hauv cov cheeb tsam uas muaj kev khiav hauj lwm lub caij ntuj no, nws raug nquahu kom siv cov tub yees cov dej nyoos los ua qhov ntsuas qhov ntsuas kub tsawg -Tsev Jar Tests thiab muab piv nrog ambient- ntsuas kub.

Tsom ntsoov rau kev soj ntsuam:

Seb qhov PAC ntau npaum li cas yuav tsum tau nce ntxiv;

Seb lub sij hawm stirring qeeb yuav tsum tau ncua;

Seb lub sij hawm flocculation yuav tsum tau nce;

Seb nws yuav tsum tau siv ua ke nrog PAM.

Kev nkag siab qis- cov ntaub ntawv ua haujlwm kub ua ntej tuaj yeem pab cov nroj tsuag dej tsim cov txheej txheem ua haujlwm raws caij nyoog, txo cov kev cuam tshuam los ntawm kev hloov pauv dej hauv lub caij ntuj no.

Yuav Siv Lub Raj Xeem Li Cas los ua kom zoo rau PAC + PAM Kev Sib Txuas?

Tom qab ua tiav qhov kev xeem rau qhov zoo tshaj plaws PAC ntau npaum, kev sib koom ua ke nrog PAC thiabPolyacrylamide (PAM)tuaj yeem ua tau ntxiv. Nws raug pom zoo kom ua kom qhov zoo tshaj plaws PAC ntau npaum li cas thiab cov kauj ruam - los ntawm - nce qib PAM ntau npaum li cas, piv txwv li:

0.5 mg / L

1.0 mg/l

1.5 mg/l

2.0 mg/l

3.0 mg/l

Tsom ntsoov rau kev sib piv:

Seb cov flocs loj dua;

Sedimentation ceev yog elevated;

Seb cov dej turbidity yog ntxiv qis dua;

Seb sludge dewatering kev ua tau zoo dua.

Rau cov dej khib nyiab hauv nroog, cov dej khib nyiab hauv kev lag luam, cov dej khib nyiab pov tseg, thiab kev siv cov dej khib nyiab pov tseg, siv PAC thiab PAM ua ke feem ntau tuaj yeem tau txais kev coagulation ruaj khov thiab flocculation.

Yuav Ua Li Cas Thov Jar Test Cov qhabnias rau Qhov Tseeb Engineering?

Lub Jar Test tuaj yeem muab cov ntaub ntawv tseem ceeb rau kev ua haujlwm engineering, tab sis qee qhov tsis sib xws tseem muaj nyob nruab nrab ntawm chav kuaj mob thiab ntawm -site systems, piv txwv li:

Yog li ntawd, nyob rau hauv -cov ntawv thov ntawm qhov chaw, cov ntaub ntawv hauv chav kuaj yuav tsum raug kho kom tsim nyog hauv kev sib xyaw nrog cov khoom siv, cov xwm txheej hydraulic, thiab cov dej tsis sib xws, thiab cov kev ua haujlwm tsis tu ncua yuav tsum tau ua kom zoo dua los ntawm kev saib xyuas online.

Cov lus nug nquag nug (FAQ)

Ua ntej hloov PAC cov neeg muab khoom, yuav tsum tau ua ntau npaum li cas Jar Tests?

Nws raug nquahu kom ua cov kev ntsuam xyuas nyob rau hauv tsawg kawg yog peb yam dej nyoos sib txawv, xws li dej tsis tu ncua, siab turbidity, thiab qis - qhov kub thiab txias. Cov ntaub ntawv tau txais txoj kev no yog tus neeg sawv cev ntau dua thiab tuaj yeem tiv thaiv kev txiav txim siab tsis zoo los ntawm ib qho kev ua haujlwm.

Cov txiaj ntsig ntawm Jar Test yog tsis sib haum nrog tus neeg muag khoom pom zoo noj; leej twg yuav tsum raug xa mus rau?

Qhov tseem ceeb yuav tsum tau muab rau kev xa mus rau Jar Test tau ua tiav raws li koj tus kheej cov dej nyoos. Tus neeg muag khoom tau pom zoo ntau npaum li cas feem ntau yog tus nqi dav dav dav dav, qhov kev xeem Jar muab cov ntaub ntawv tau txais los ntawm cov dej tsis zoo, xav txog - qhov chaw ua haujlwm xav tau ntau dua.

Lub Jar Test puas tuaj yeem txiav txim siab qhov ntev - lub sijhawm ua haujlwm ntau npaum li cas ntawm PAC?

Lub thawv ntsuas tuaj yeem ua qhov tseem ceeb siv, tab sis kev ua haujlwm tseem ceeb tseem yuav tsum tau hloov pauv hloov pauv nrog kev saib xyuas online, kev hloov pauv dej zoo, thiab cov khoom siv ua haujlwm kom tau txais cov txiaj ntsig kev kho mob ntev ntev.

Xaus

Lub Jar Test tsis yog ib qho kev sim xwb; nws yog ib qho cuab yeej tseem ceeb rau optimizing cov txheej txheem coagulation, txo cov nqi ua haujlwm, thiab xaiv kev tshawb fawbPolyaluminium Chloride (PAC). Los ntawm cov txheej txheem kev sim ua qauv thiab kev soj ntsuam cov ntaub ntawv, cov tuam txhab tuaj yeem ntsuas qhov ua tau zoo ntawm cov khoom sib txawv, txiav txim siab qhov zoo tshaj plaws, thiab muab cov hauv paus txhim khu kev qha rau kev ua haujlwm engineering.

Raws li tus kws tshaj lij kev kho dej kev daws teeb meem, ECOLINK TECHNOLOGY tuaj yeem muab cov neeg siv khoom thoob ntiaj teb nrog qib Industrial PAC, Haus Dej Qib PAC, PAM series cov khoom, thiab ua tiav Jar Test kev pabcuam kev pabcuam, suav nrog kev xaiv cov khoom, kev sim kev taw qhia, qauv kuaj, thiab cov txheej txheem kev pom zoo, pab cov neeg siv khoom ua haujlwm tau zoo dua, ruaj khov, thiab kev txuag dej.