Hauv kev lag luam papermaking,Aminosulfonic acidYog siv dav hauv pulp tshuaj dawb, ntawv sizing thiab lwm yam txuas vim nws cov nqi zoo rau kev txhim kho cov ntawv zoo thiab txo cov nqi ntau lawm. Kab lus no yuav tob rau cov ntaub ntawv tshwj xeeb, mechanism ntawm kev ua thiab kev cuam tshuam ntawm aminosulfonic acid ntawm kev txhim kho kev lag luam papermaking.
Aminosulfonic acid (aminosulfuric acid) yog ib tug dawb crystal uas yog yooj yim soluble hauv dej thiab muaj zog acidity. Nws cov qauv molecular muaj amino thiab sulfonic acid, uas muab nws cov kev cuam tshuam nws txawv. Hauv cov txheej txheem papermakaking, aminosulfonic acid ua si tau txoj haujlwm hauv qab no:
Kev nyuaj: aminosulfonic acid tuaj yeem tsim cov khoom ruaj khov nrog hlau, tooj liab, thiab txwv tsis pub siv cov hlau thiab tiv thaiv cellulose.
Txo: Raws li qee qhov xwm txheej, aminosulfonic acid tuaj yeem siv los ua tus neeg sawv cev txo los koom nrog cov txheej txheem tshuaj dawb thiab tshem tawm impurities xws li ligignin.
PH hloov kho: aminosulfonic acid muaj lub peev xwm tsis muaj zog thiab tuaj yeem kho tus nqi ntawm pulp los muab ib puag ncig zoo rau kev ua si enzyme.
Daim ntawv thov ntawm aminosulfonic acid nyob rau hauv papermaking
Pulp Tshuaj Dawb
Pulp kev ua tshuaj dawb yog qhov tseem ceeb txuas hauv cov txheej txheem papermakaking, lub hom phiaj ntawm cov pulp thiab pigments nyob rau hauv lub sam thiaj thiab txhim kho lub ci ci thiab huv ntawm daim ntawv.
Lub luag haujlwm tseem ceeb ntawm aminosulfonic acid yog los txhawb lub decomposition ntawm cov teeb meem organic nyob rau hauv lub pulp thiab impurities los ntawm kev muab cov acidic ib puag ncig. Thaum lub sij hawm tshuaj dawb acid tuaj yeem txhim kho qhov ci ci ntawm cov kev tsis zoo ntawm cov kev puas tsuaj me me thaum ua kom muaj kev puas tsuaj ntau, xws li kev ua haujlwm hnyav lossis kev ua haujlwm ntau dhau ntawm lub sam thiaj.
Ntawv sizing:
Txhim kho kev txav mus los: cov npoo ntawm daim ntawv tom qab sizing yog duizing yog du thiab tiaj tus, tus mem kua tsis yooj yim rau kev nkag mus, thiab cov ntawv luam tawm zoo dua.
Twj huam
Aminosulfonic acid tuaj yeem siv ua catalyst rau qee cov tshuaj tiv thaiv qee yam, xws li kev kho cov urea resin.
PHOONATION
Hauv cov txheej txheem papermakaking, tshuaj dawb, tshuaj kho mob hlwb, kev kho kom dej khib nyiab thiab lwm qhov txuas yuav tsum tau lees paub txog tus nqi PHY. Ntau dhau lawm lossis qis heev pH tus nqi yuav cuam tshuam ntau ntau yam kev ua haujlwm thiab cov khoom zoo. Yog li ntawd, nws yog ib qho kev ua haujlwm los siv aminosulfonic acid los kho tus nqi ntawm cov tshuaj.
Aminosulfonic acid tuaj yeem txo cov nqi ntawm PHO sai li sai tau ntawm kev daws teeb meem thiab ruaj khov nws nyob hauv ib qho kev haum. Nyob rau hauv txoj kev no, nws tsis tuaj yeem txhim kho cov tshuaj dawb, tab sis kuj txhim kho kev ua haujlwm ntawm kev kho dej kom tsis tiav lossis lwm yam kev tsis zoo tshwm sim los ntawm PH tsis tsim nyog.
Hlau Ions Muab Tshem Tawm
Hauv kev tsim khoom thiab kev kho ntawm purp, hlau ion paug feem ntau cuam tshuam rau qhov zoo ntawm cov khoom kawg. Piv txwv li, hlau ions xws li hlau ions thiab tooj liab muaj qhov tsis zoo rau cov xim, lub zog thiab hnov ntawm daim ntawv. Aminosulfonic acid muaj kev muaj peev xwm ua tau zoo thiab muaj peev xwm hnov nrog cov hlau siv soluble hlau, yog li tshem tawm cov hlau impurities los ntawm pulp.
Los ntawm kev ntxiv aminosulfonic acid, tsis tsuas yog tuaj yeem tshem tawm cov kabmob oxidation oxidation, thiab muaj kev txo tus mob caj dab los ntawm pulp thiab kom muaj kev ruaj khov ntawm qhov zoo ntawm cov khoom kawg.
Tiv thaiv kev ntsuas
Hauv cov txheej txheem papermakakaking, tshwj xeeb tshaj yog thaum siv chav dej thiab dej kho tshuab, cov teeb meem tag nrho yog teeb meem ntau. Cov kev sib txuam ntawm nplai tsis tsuas yog txo qis kev ua haujlwm ua kom sov, tab sis kuj yuav ua rau cov khoom puas tsuaj. Aminosulfonic acid muaj lub luag haujlwm tshwj xeeb hauv qhov no, thiab nws tuaj yeem tiv thaiv kev tsim cov nplai.
Yam cuam tshuam rau tus nqi ntawm aminosulforonic acid
Tus nqi ntawm aminosulfonic acid yuav cuam tshuam los ntawm ntau yam, suav nrog:
Pulp Hom:Txawv ntau hom PARP muaj cov yam ntxwv sib txawv, thiab lwm yam, thiab qhov kev thov rau aminosulfonic acid tseem txawv.
Cov txheej txheem tshuaj dawb:Cov txheej txheem ua kom sib txawv cov txheej txheem muaj cov sib txawv rau tus nqi ntawm aminosulforonic acid.
Cov Hom Phiaj Ua:Yog tias lub sam thiaj yuav tsum muaj ntau dua whiteness lossis lub zog, tus nqi ntawm aminosulfonic acid yuav tsum tau nce.
Lwm yam kev ntxiv ntxiv:Qhov sib xyaw nrog lwm cov tshuaj ntxiv kuj tseem yuav cuam tshuam tus nqi ntawm aminosulfonic acid.
Kev tswj hwm tus nqi ntawm aminosulfonic acid
Txhawm rau kom ua tiav cov tshuaj dawb zoo tshaj plaws, tus nqi ntawm aminosulfonic acid yuav tsum tau ua kom meej. Feem ntau, cov kev kuaj sim thiab sim sim sim los txiav txim siab ntawm aminosulfonic acid los ntsuas kev ntsuas hniav dawb, lub zog thiab lwm yam ntsuas ntawm cov pulp.
Raws li ib qho tseem ceeb papermaking additive, aminosulfonic acid ua si ntau dua cov haujlwm tseem ceeb hauv kev lag luam papermaking. Nws cov tshuaj tshwj xeeb thiab cov lus qhia ua kom muaj kev vam meej ntawm cov pa tshuaj ntxuav tes, thiab lwm yam kev txhim kho lub luag haujlwm ntawm kev txhim kho kev lag luam papermaking.
Lub Sijhawm Post: Jan-02-2025