Hauv cov txheej txheem ntau lawm ntawm cov hmoov av, carboxymethyl cellulose (cmc) yog ntxiv los txhim kho nws cov kev ua tau zoo thiab siv cov nyhuv. CMC yog cov tshuaj ntxuav tes tseem ceeb, uas feem ntau cuam tshuam txog cov khaub ncaws ntxhua khaub ncaws los ntawm kev txhim kho cov hmoov nplej ntawm kev ntxhua khaub ncaws.
1. Tiv thaiv cov av ntawm redeposition
Qhov tseem ceeb ntawm cov hmoov nplej yog kom tshem tawm cov av ntawm cov khaub ncaws. Thaum lub sij hawm ntxuav, cov av ntog tawm ntawm cov khaub ncaws thiab raug tshem tawm hauv dej, tab sis yog tias tsis muaj lub zog zoo rau cov khaub ncaws, ua rau cov khaub ncaws tsis huv. CMC muaj qhov muaj peev xwm ua tau zoo. Nws tuaj yeem tiv thaiv cov av ntxuav tawm los ntawm kev sib sau ua yeeb yaj kiab ntawm cov ntses fiber ntau, tshwj xeeb tshaj yog thaum ntxuav cov paj rwb thiab cov tshuab ntxhua khaub ncaws thiab ntxhua khaub ncaws. Yog li no, ntxiv rau ntawm CMC tuaj yeem txhim kho kev ntxuav tag nrho ntawm kev ntxuav hmoov thiab ua kom cov khaub ncaws huv si tom qab ntxuav.
2. Txhim kho qhov ruaj khov ntawm cov xab npum
CMC yog dej-soluble polymer sib txuas nrog cov nyhuv zoo. Hauv kev ntxhua khaub ncaws, CMC tuaj yeem txhim kho qhov ruaj khov ntawm cov tshuaj ntxuav tes thiab tiv thaiv cov khoom sib xyaw los ntawm kev tawm tsam lossis daus lossis daus. Qhov no yog qhov tshwj xeeb tshaj yog thaum lub sijhawm khaws cia ntawm kev ntxuav hmoov, vim tias cov khaub ncaws sib txawv ntawm cov khoom sib txawv muaj qhov cuam tshuam zoo ntawm nws cov nyhuv zoo heev. Los ntawm kev nce viscosity, cmc tuaj yeem ua rau cov particle hauv kev ntxhua khaub ncaws kom huv si kom tau faib tawm, kom ua tiav cov nyhuv yuav ua tiav thaum siv.
3. Txhim kho lub tshuab rho tawm
Txawm hais tias qhov kev txiav txim siab tseem ceeb hauv kev ntxhua khaub ncaws hmoov yog surfactant, ntxiv rau CMC tuaj yeem ua lub luag haujlwm snesgistic. Nws tuaj yeem pab txhawb ntau dua kom tshem tawm cov av los ntawm cov khaub ncaws ua tau zoo dua los ntawm kev hloov cov neeg lis dej num thiab kos npe rau lub cev. Tsis tas li ntawd, CMC tuaj yeem tiv thaiv cov hmoov av los ntawm agglomerating rau hauv cov lus loj, yog li kev txhim kho cov nyhuv ntxuav. Tshwj xeeb tshaj yog rau cov av granular, xws li av thiab hmoov av, cmc tuaj yeem ua kom nws yooj yim dua thiab ntxuav nrog dej.
4. Kev yoog raws li cov ntaub ntawv fiber ntau
Khaub ncaws ntawm cov khoom sib txawv nyias muaj nyias yuav tsum muaj xab npum. Cov ntaub ntawv fiber ntau xws li cov paj rwb, ntaub pua chaw, cov ntaub tawv nqaij, ua rau cov tshuaj ntxuav, ua rau cov kab ntxuav, ua rau cov nplaim tawg lossis tsaus dua xim. CMC muaj cov yeeb yaj kiab zoo thiab ua cov yeeb yaj kiab tiv thaiv nyob rau saum npoo ntawm cov fibers los tiv thaiv cov khoom xyaw muaj zog xws li kev ua kom huv si thaum lub sijhawm ntxuav. Cov nyhuv tiv thaiv no tseem tuaj yeem ua kom cov khaub ncaws mos thiab ci tom qab ntau yam ntxuav.
5. Kev tiv thaiv ib puag ncig thiab biodegradability
Piv nrog qee cov tshuaj ntxiv cov tshuaj sib ntxiv, cmc yog qhov sib xyaw ua ke los ntawm cov ntaub ntawv ntuj thiab muaj cov biodegradability. Qhov no txhais tau hais tias nyob rau hauv cov txheej txheem ntawm kev siv khaub ncaws ntxhua khaub ncaws, cmc yuav tsis ua kom muaj kuab paug ntxiv rau ib puag ncig. Nws tuaj yeem decomposed rau hauv cov pa roj carbon dioxide thiab cov dej los ntawm cov kab mob me kom tsis txhob muaj kuab paug rau hauv av thiab dej ntev. Nrog rau cov kev tiv thaiv ib puag ncig ib puag ncig hnub no, kev siv cov tshuaj ntxuav cov khaub ncaws tsis huv, tab sis kuj ua raws li cov tswvyim kev txhim kho.
6. Txhim kho kev siv cov tshuaj ntxhua khaub ncaws
CMC tsis tuaj yeem txhim kho kev tshem tawm lub peev xwm ntawm cov tshuaj ntxhua khaub ncaws, tab sis kuj txhim kho cov neeg siv kev paub. Piv txwv li, cov nyhuv tuab ntawm CMC ua rau nws nyuaj rau cov tshuaj ntxuav ntxhua khaub ncaws kom siv cov tshuaj ntxuav txhua lub sijhawm thiab txo cov khib nyiab. Ib qho ntxiv, CMC muaj qee yam cuam tshuam zoo, uas tuaj yeem ua rau cov khaub ncaws softer softer, txo rau lawv hnav kom zoo dua.
7. Txo cov teeb meem ntawm kev ua npuas dej ntau dhau
Thaum lub sij hawm ntxuav, ua npuas ncauj ntau dhau qee zaum cuam tshuam rau kev ua haujlwm ib txwm ntawm lub tshuab ntxhua khaub ncaws thiab ua rau kev ntxuav tu tsis tiav. Qhov sib ntxiv ntawm cmc pab kom kho lub peev xwm foaming ntawm kev ntxhua khaub ncaws, tswj tus nqi ntawm ua npuas ncauj, thiab ua kom cov txheej txheem ntxuav. Ib qho ntxiv, ua npuas ncauj ntau dhau yuav ua rau kev siv dej ntau thaum muab cov hmoov av, tab sis kuj tseem ua tau zoo rau kev txuag hluav taws xob thiab emission txo.
8. Dej tsis kam
Lub hardness ntawm dej yuav cuam tshuam rau kev ua haujlwm ntawm xab npum, tshwj xeeb tshaj yog nyob rau hauv cov xab npum yog nquag txo thiab ntxuav cov nyhuv yog txo qis. CMC tuaj yeem tsim charates nrog calcium thiab magnesium e hauv dej, yog li txo qhov tsis zoo ntawm kev ntxuav dej ntawm kev ntxhua khaub ncaws. Qhov no tso cai rau kev ntxhua khaub ncaws kom muaj kev siv cov dej tsis zoo nyob hauv cov khoom siv nyuaj, nthuav dav cov khoom siv ntawm cov khoom.
Qhov sib ntxiv ntawm carboxymethyl cellulose hauv kev tsim cov khaub ncaws ntxhua khaub ncaws ntau yam tseem ceeb. Nws tsis tuaj yeem tiv thaiv cov av los ntawm kev rov qab, txhim kho kev ruaj ntseg ntawm kev ntxuav, thiab tseem tiv thaiv cov khaub ncaws hnav thiab txhim kho cov neeg siv khoom siv. Nyob rau tib lub sijhawm, CMC ib puag ncig kev tiv thaiv thiab dej hardness kuj tseem ua rau nws zoo tshaj plaws addergitive uas tau raws li cov tshuaj ntxuav niaj hnub. Nrog rau kev loj hlob ntawm kev ntxuav kev lag luam hnub no, kev siv cov cellulose tau dhau los txhim kho kev ua haujlwm ntawm kev ntxhua khaub ncaws thiab ntsib cov kev xav tau ntawm cov neeg siv khoom.
Lub Sijhawm Post: Kaum-15-2024