Peb yog ib lub tuam txhab kev lag luam engineering uas siv lub ntiaj teb kev tswj hwm cov cuab yeej siv siab tshaj plaws thiab cov cuab yeej siv rau peb cov neeg siv khoom. Lub tuam txhab engineering thiab kev teeb tsa pab pawg suav nrog ntau tus neeg ua haujlwm nrog ntau tshaj 40 xyoo ntawm kev ua haujlwm. Raws li lawv txoj haujlwm nplua nuj, cov chaw tsim khoom sib txawv tuaj yeem ua tiav raws li qhov sib txawv ntawm cov neeg siv khoom.
Chlorine, cov khoom siv tshuaj lom neeg paub dav rau nws cov tshuaj tua kab mob, txuas ntxiv hloov pauv kev lag luam kho dej. Kev tsim kho tshiab tsis ntev los no hauv chlorine-based technologies yog kev siv zog los txhim kho cov dej zoo thiab kev nyab xeeb.
Ib qho ntawm cov kev nce qib tseem ceeb yog kev txhim kho cov tshuaj chlorine siab heev, tso cai kom meej thiab siv tau cov tshuaj chlorine rau hauv cov khoom siv dej. Cov thev naus laus zis no tsis yog tsuas yog ua kom zoo rau kev tua kab mob xwb tab sis kuj txo qis qhov cuam tshuam ib puag ncig ntawm cov tshuaj chlorine los ntawm kev ua kom nws cov kev siv tau ua tib zoo tswj.
Tsis tas li ntawd, kev sib koom ua ke ntawm kev saib xyuas ntse thiab kev tswj hwm muab cov ntaub ntawv tiag tiag ntawm cov tshuaj chlorine thoob plaws hauv txoj kev kho dej. Cov ntaub ntawv no tso cai rau kev hloov kho tam sim ntawd, optimizing chlorine dosing rau qhov ua tau zoo tshaj plaws thaum ua kom cov dej tseem muaj kev nyab xeeb rau kev noj.
Cov chaw kho dej tau txais cov kev tsim kho tshiab no los txhim kho lawv txoj haujlwm thiab muab cov zej zog muaj dej huv, nyab xeeb. Qhov kev hloov pauv tsis tu ncua ntawm cov tshuaj chlorine ntsig txog cov haujlwm qhia txog kev cog lus ntawm kev lag luam rau kev siv cov thev naus laus zis niaj hnub rau kev noj qab haus huv thiab kev noj qab haus huv yav tom ntej.
Cov lus nug thiab lus teb rau cov neeg siv khoom:
Q1: Dab tsi yog qee qhov piv txwv ntawm chlorine allied tej yaam num?
A1: Qee qhov piv txwv ntawm cov tshuaj chlorine ua haujlwm yog calcium chloride, sodium hypochlorite, calcium hypochlorite, potassium chlorate, thiab chlorinated paraffin. Cov khoom no muaj ntau yam kev siv hauv kev lag luam, kev ua liaj ua teb, thiab ib puag ncig.
Q2: Dab tsi yog qhov zoo ntawm kev siv hydrochloric acid thiab limestone ua raw khoom rau kev tsim cov calcium chloride anhydrous?
A2: Hydrochloric acid thiab limestone yog pheej yig thiab muaj ntau cov ntaub ntawv raw uas tuaj yeem siv los tsim cov calcium chloride anhydrous, uas yog cov khoom siv tshuaj lom neeg. Cov txheej txheem ntawm kev siv hydrochloric acid thiab limestone muaj dav adaptation rau ntau qhov chaw ntawm hydrochloric acid, xws li byproducts los ntawm caustic soda, phosphorus trichloride, monochloroacetic acid, sodium sulfate,
potassium sulfate, thiab lwm yam. Cov txheej txheem kuj muaj kev ua haujlwm siab thiab tsis muaj zog noj.
Q3: Dab tsi yog kev siv sodium hypochlorite?
A3: Sodium hypochlorite yog ib qho muaj zog oxidizing tus neeg sawv cev uas tuaj yeem siv los ua tshuaj tua kab mob, tshuaj dawb, tshuaj kho dej, thiab organic synthesis intermediate. Sodium hypochlorite tuaj yeem tua cov kab mob, kab mob, fungi, thiab algae hauv dej thiab qhov chaw. Nws kuj tseem tuaj yeem ua cov ntaub, ntawv, thiab lwm yam ntaub ntawv. Nws tuaj yeem oxidize cov organic tebchaw los tsim cov tshuaj muaj txiaj ntsig, xws li chloroform, chloroacetic acid, thiab lwm yam.
Q4: Calcium hypochlorite ua li cas?
A4: Calcium hypochlorite yog tsim los ntawm reacting slaked txiv qaub nrog chlorine gas nyob rau hauv lub reactor. Cov tshuaj tiv thaiv tsim calcium hypochlorite thiab calcium chloride ua cov khoom. Tom qab ntawd cov khoom raug cais los ntawm kev pom thiab ziab. Cov calcium hypochlorite yog tom qab ntawd ntim rau hauv hnab lossis nruas rau kev khaws cia lossis kev thauj mus los.
Q5: Dab tsi yog qhov zoo ntawm kev siv UV / chlorine AOP rau kev kho dej?
A5: UV / chlorine AOP yog cov txheej txheem oxidation siab heev uas siv lub teeb ci ultraviolet thiab tshuaj chlorine los tsim cov tshuaj reactive uas tuaj yeem degrade cov organic paug hauv dej. UV / chlorine AOP muaj ntau qhov zoo dua lwm cov txheej txheem oxidation, xws li kev ua haujlwm siab, tus nqi qis, kev ua haujlwm yooj yim, thiab siv dav. UV / chlorine AOP tuaj yeem txhim kho kev tshem tawm cov kab mob organic, kab mob, nitrosamines, thiab lwm yam khoom paug tawm hauv dej. Nws tseem tuaj yeem txhim kho biodegradability thiab tshuaj tua kab mob los ntawm cov khoom tsim muaj peev xwm ntawm dej.
Q6: Dab tsi yog qhov peev xwm los ntawm UV / chlorine AOP hauv kev kho dej?
A6: UV / chlorine AOP kuj tseem tuaj yeem tsim qee yam khoom tsis zoo hauv kev kho dej, xws li chlorate, perchlorate, bromate, thiab halogenated organic compounds. Cov khoom lag luam no tuaj yeem muaj kev cuam tshuam tsis zoo rau tib neeg kev noj qab haus huv lossis ib puag ncig yog tias lawv tsis raug tshem tawm lossis tswj tau zoo. Yog li ntawd, nws yog ib qho tseem ceeb los saib xyuas thiab ua kom zoo rau kev ua haujlwm ntawm UV / chlorine AOP, xws li UV koob tshuaj, tshuaj chlorine, pH, thiab qhov kub thiab txias, kom txo qis cov khoom tsim tawm thiab kom tshem tawm cov kab mob ntau tshaj.
Q7: Yuav ua li cas yog potassium chlorate?
A7: Potassium chlorate yog tsim los ntawm electrolyzing ib tug daws ntawm poov tshuaj chloride nyob rau hauv ib lub cell nrog ib tug graphite anode thiab ib tug hlau cathode. Cov electrolysis tsim cov roj chlorine ntawm anode thiab hydrogen gas ntawm cathode. Cov roj chlorine reacts nrog cov poov tshuaj hydroxide tsim ntawm cathode los tsim cov poov tshuaj chlorate thiab potassium chloride. Tom qab ntawd cov poov tshuaj chlorate yog crystallized los ntawm kev daws los ntawm kev txias thiab lim.
Q8: Dab tsi yog kev siv cov poov tshuaj chlorate?
A8: Potassium chlorate yog ib qho muaj zog oxidizing tus neeg sawv cev uas tuaj yeem siv los ua cov khoom tawg, foob pob hluav taws, kev sib tw, thiab kev nyab xeeb fuses. Potassium chlorate kuj tseem siv tau los ua tshuaj tua kab mob, tshuaj tua kab mob, cov pa oxygen, tshuaj tua kab mob, thiab tshuaj reagent.
Q9: chlorinated paraffin ua li cas?
A9: Chlorinated paraffin yog tsim los ntawm reacting kua paraffin nrog chlorine roj nyob rau hauv lub reactor nyob rau hauv kev tswj kub thiab siab. Cov tshuaj tiv thaiv ua rau sib xyaw ntawm chlorinated paraffin nrog ntau qib ntawm chlorination thiab cov saw ntev. Cov sib tov yog sib cais los ntawm distillation los yog fractionation rau hauv ntau qib ntawm chlorinated paraffin raws li lawv cov khoom thiab kev siv.
Q10: Dab tsi yog kev siv chlorinated paraffin?
A10: Chlorinated paraffin yog cov khoom siv tshuaj ntau yam uas tuaj yeem siv los ua cov yas yas, nplaim hluav taws xob, cov roj nplua nyeem ntxiv, cov khoom siv hlau ua haujlwm,
sealant additive, xim additive, roj hmab additive, thiab tawv additive. Chlorinated paraffin tuaj yeem txhim kho cov khoom thiab kev ua haujlwm ntawm ntau yam ntaub ntawv, xws li PVC, roj hmab, hlau, ntoo, thiab tawv.
