Xov xwm kev lag luam
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Kev paub txog thiab kev kuaj dej khib nyiab ntawm textile printing thiab dyeing wastewater
Textile wastewater feem ntau yog cov dej khib nyiab uas muaj cov khoom tsis zoo, cov rog, cov hmoov txhuv nplej siab thiab lwm yam khoom siv organic tsim thaum lub sij hawm ua cov khoom siv raw, yaug, tshuaj dawb, sizing, thiab lwm yam. ..Nyeem ntxiv -
Muaj dej khib nyiab thiab kev kuaj dej zoo
Cov dej khib nyiab muaj xws li cov dej khib nyiab ntau lawm, cov dej phwj tuaj thiab cov dej txias. Nws hais txog cov dej khib nyiab thiab cov kua khib nyiab tsim tawm hauv cov txheej txheem tsim khoom, uas muaj cov khoom tsim khoom lag luam, cov khoom nruab nrab, cov khoom lag luam thiab cov pa phem tsim tawm hauv pr ...Nyeem ntxiv -
Yuav ua li cas xaiv cov khoom, kua, thiab reagent vials consumables ntawm kev kuaj dej khib nyiab? Peb cov lus qhia yog…
Kev ntsuas cov ntsuas dej zoo yog sib cais los ntawm kev siv ntau yam khoom siv. Cov ntaub ntawv siv tau zoo tuaj yeem muab faib ua peb hom: cov khoom siv khoom siv, cov khoom siv ua kua, thiab cov khoom siv reagent vials. Peb yuav ua li cas xaiv qhov zoo tshaj plaws thaum ntsib cov kev xav tau tshwj xeeb? Cov hauv qab no ...Nyeem ntxiv -
Eutrophication ntawm lub cev dej: qhov teeb meem ntsuab ntawm lub ntiaj teb dej
Eutrophication ntawm cov dej hauv lub cev yog hais txog qhov tshwm sim uas nyob rau hauv kev cuam tshuam ntawm tib neeg kev ua ub no, cov khoom noj xws li nitrogen thiab phosphorus xav tau los ntawm cov kab mob nkag mus rau hauv cov dej qeeb qeeb xws li pas dej, dej ntws, bays, thiab lwm yam, uas ua rau muaj kev loj hlob sai. algae ib...Nyeem ntxiv -
Chemical oxygen xav tau (COD): tus pas ntsuas pom tsis pom kev rau cov dej noj qab haus huv
Hauv ib puag ncig peb nyob hauv, kev nyab xeeb dej zoo yog qhov tseem ceeb txuas. Txawm li cas los xij, qhov zoo ntawm cov dej tsis yog ib txwm pom tseeb, thiab nws zais ntau yam zais cia uas peb tsis tuaj yeem pom ncaj qha nrog peb qhov muag liab qab. Tshuaj lom neeg cov pa oxygen xav tau (COD), uas yog qhov tseem ceeb hauv kev ntsuas dej zoo, zoo li kev pom tsis pom ...Nyeem ntxiv -
Kev txiav txim siab ntawm turbidity hauv dej
Dej zoo: Kev txiav txim siab ntawm turbidity (GB 13200-1991)" hais txog tus txheej txheem thoob ntiaj teb ISO 7027-1984 "Dej zoo - Kev txiav txim siab ntawm turbidity". Cov qauv no qhia ob txoj hauv kev los txiav txim siab turbidity hauv dej. Thawj ntu yog spectrophotometric, uas yog ...Nyeem ntxiv -
Cov txheej txheem rau kev tshawb pom sai ntawm cov khoom raug tshem tawm
Suspended solids, raws li lub npe txhais tau hais tias, yog cov teeb meem me me uas ntab hauv dej, feem ntau ntawm 0.1 microns thiab 100 microns loj. Lawv suav nrog tab sis tsis txwv rau cov av nplaum, av nplaum, algae, microorganisms, siab molecular organic teeb meem, thiab lwm yam, tsim ib daim duab complex ntawm underwater m ...Nyeem ntxiv -
Cov cuab yeej COD daws teeb meem dab tsi?
Cov cuab yeej COD daws qhov teeb meem sai thiab raug ntsuas cov tshuaj oxygen xav tau hauv lub cev dej, txhawm rau txiav txim siab txog qib ntawm cov pa phem hauv dej. COD (tshuaj oxygen xav tau) yog qhov taw qhia tseem ceeb rau kev ntsuas qib ntawm cov pa phem hauv dej ...Nyeem ntxiv -
Kev siv ORP hauv kev kho dej phwj tuaj
ORP sawv cev rau dab tsi hauv kev kho dej phwj? ORP sawv cev rau redox peev xwm hauv kev kho dej phwj tuaj. ORP yog siv los cuam tshuam cov macro redox zog ntawm tag nrho cov tshuaj nyob rau hauv aqueous kua. Qhov siab dua lub peev xwm redox, qhov muaj zog ntawm cov cuab yeej oxidizing, thiab qis dua qhov peev xwm redox, lub str ...Nyeem ntxiv -
Nitrogen, Nitrate Nitrogen, Nitrite Nitrogen thiab Kjeldahl Nitrogen
Nitrogen yog ib qho tseem ceeb uas tuaj yeem muaj nyob hauv ntau hom hauv dej thiab av hauv qhov xwm txheej. Niaj hnub no peb yuav tham txog cov ntsiab lus ntawm tag nrho cov nitrogen, ammonia nitrogen, nitrate nitrogen, nitrite nitrogen thiab Kjeldahl nitrogen. Tag Nrho nitrogen (TN) yog ib qho qhia feem ntau siv los ntsuas qhov tot ...Nyeem ntxiv -
Kev txhim kho ntawm BOD nrhiav pom
Biochemical oxygen xav tau (BOD) yog ib qho tseem ceeb ntsuas ntsuas lub peev xwm ntawm cov organic teeb meem hauv dej kom biochemically degraded los ntawm cov kab mob, thiab tseem yog ib qho tseem ceeb qhia rau kev ntsuam xyuas tus kheej-purification peev ntawm dej thiab ib puag ncig tej yam kev mob. Nrog lub acceleration ...Nyeem ntxiv -
Kev tsim cov tshuaj lom neeg oxygen xav tau (COD) nrhiav pom
Kev thov cov pa oxygen kuj tseem hu ua chemical oxygen xav tau (chemical oxygen xav tau), hu ua COD. Nws yog siv cov tshuaj oxidants (xws li poov tshuaj permanganate) los oxidize thiab decompose oxidizable tshuaj nyob rau hauv dej (xws li organic teeb meem, nitrite, ferrous ntsev, sulfide, thiab lwm yam), thiab ...Nyeem ntxiv
