1. Taw qhia txog dej qab zib, kev paub tseeb paub ua Sodium hydroxide (Naoh), yog ib qho muaj zog alkali nrog kev ua kom xeb. Nws muaj ob daim ntawv: khoom thiab kua. Cov khoom qab zib tau muaj cov dej qab zib yog dawb thiab muaj cov plaub ya ri, granules, thiab lwm yam; Ua kua Caustic Soda yog cov kua tsis muaj kob thiab pob tshab. Nws yog yooj yim soluble hauv dej los ua ib qho kev daws teeb meem alkaline, thiab nws tseem hygroscopic thiab detherids thaum nws nqus cov roj carbon dioxide. Caustic Soda yog ib qho tshuaj raw tshuaj yooj yim, thiab nws yog ib qho ntawm ob alkalis hauv "peb cov acids thiab ob alkalis" ua ke nrog dej qab zib. Caustic soda muaj ntau yam ntawm kev siv, feem ntau yog siv nyob rau hauv alumina, pulp, cov roj hmab, tshuaj lom neeg ua tiav, cov roj hmab, tshuaj lom neeg ua zaub mov, ntoo ua khoom, tshuab Kev lag luam, tshuaj lom neeg kev lag luam, thiab lwm yam raws li cov khoom sib txawv, Causic Soda tuaj yeem faib ua kua caustic dej qab zib thiab khoom noj. Ua Kua Caustic Soda Soda Soda yog xa mus rau ua kua caustic dej qab zib, uas feem ntau yog cov kua tsis muaj xim thiab pob tshab. Raws li cov pawg feem ntawm cov sodium hydroxide, kua caustic ua kua caustic dej qab zib, 48% ua kua caustic dej qab zib, 49% ua kua caustic ua kua dej qab zib, 50% ua kua caustic dej qab zib, thiab lwm yam, ntawm 32% ua kua caustic noj thiab 50% ua kua caustic dej qab zib yog cov qauv tseem ceeb. Tau xa cov dej qab zib tau xa mus rau cov khoom noj dej khov kho Fine capustic dej qab zib yog tsuas yog siv nyob rau hauv Suav teb. Raws li cov pawg feem ntawm cov sodium hydroxide, khoom noj qab zib los ntawm 73% khoom noj qab zib, 99% khoom noj qab zib, 99% khoom noj qab zib, thiab lwm yam, ntawm uas 99% flake caustic dej qab zib yog cov qauv tseem ceeb.
2. Cov txheej txheem ntau lawm lub caustic soda cov txheej txheem ntau lawm suav nrog CAusticizing hom thiab electrolysis txoj kev. Txoj kev causionizing yog cov txheej txheem dej qab zib, thiab cov qauv electrolysis tuaj yeem faib ua cov qauv kev sib xyaw ua yeeb yam, thiab ion txauv cov qauv. Lub ion Membrane Txauv txoj kev yog cov txheej txheem sib txuam hauv ntiaj teb no nyob rau hauv lub ntiaj teb tam sim no, thiab 99% ntawm caustic dej qab zib hauv kuv lub teb chaws adopts cov txheej txheem no. Ion pauv membra Etrolysis yog ib txoj kev uas tau txais caustic dej qab zib thiab chlorine ruaj khov ua kom nyias muaj motode chamber thiab cathode chamber ntawm electrolytic cell. IION sib pauv Membrane muaj tus xaiv tshwj xeeb xaiv, uas tsuas yog tso cai rau cations mus dhau thiab blocks Actions thiab gases los ntawm kev hla dhau. Yog li ntawd, tom qab electrolysis, tsuas yog electrolyte na + thiab h + ions kis los ntawm electrolysis cl-, hydrogen tsis tuaj yeem hla dhau, yog li cov roj ntsha tau dhau los, yog li tsis muaj kev pheej hmoo ntawm kev tawg tshwm sim los ntawm kev sib xyaw ntawm Ob lub roj av, thiab tseem yuav zam rau tiam neeg uas cuam tshuam txog kev coj dawb huv ntawm caustic. Cov txheej txheem ntau lawm ntawm ion Membrance electrolysis tau muab faib ua cov kauj ruam: electrolysis kho, kua alkali elaaporation, thiab cov khoom alkali. Nws cov mis mis yog: 2NACK + 2h2o = 2Nsoh + 2h2 ↑ + Cl2 ↑
3. Taw qhia rau cov saw hlau los ntawm kev pom ntawm kev muaj kev lag luam qauv, cov nce dej ntawm caustic soda yog hluav taws xob thiab ntsev nyoos. Nws yuav siv sijhawm 2300-2400 kWh ntawm hluav taws xob thiab 1.4-1.6 tons ntawm raw ntsev kom 60% thiab 20% ntawm kev tsim khoom ntawm CleTic dej qab zib. Feem ntau chlor-alkali qhauj tsim lawv tus kheej cov nroj tsuag fais fab kom txo cov nqi, yog li cov nqi thee muaj qee yam cuam tshuam rau tus nqi ntawm caustic dej qab zib. Zuag qhia tag nrho, tus nqi hloov ntawm kev lag luam hluav taws xob thiab ntsev nyoos hauv kuv lub tebchaws yog qhov ruaj khov, yog li kev hloov hluav taws xob ntawm cov nqi sab tsis loj. Raws li ib qho tseem ceeb ntawm cov khoom siv raw, caustic dej qab zib muaj ntau cov kev siv hauv qab daus, luam tawm thiab dyeing, tshuaj lom neeg, tshuaj lom neeg kev lag luam thiab lwm daim teb. Ntawm lawv, Alumina yog cov neeg siv khoom lag luam loj tshaj plaws ntawm Ceustric dej qab zib, suav rau ntau dua 30% ntawm Caustic Soda noj kev lag luam; Luam Ntawv thiab Dyeing, Tshuaj Fiber Kev Lag Luam Nyiaj Accounts rau 12.6%; Kev lag luam tshuaj lom neeg, kev siv nyiaj suav rau txog 12%; Cov khoom lag luam ntxiv yog qhov tawg tau tawg, suav nyiaj tsawg dua 10%.
Lub Sijhawm Post: Dec-17-2024
