Refined Paj Rwb-Qhib-Alkalizing-Alkalizing-Alkalming-Pulverizing-Pulverizing-Tawg-pulverhing-Pulverize-pulverhed kom tshem tawm cov hlau, thiab tom qab ntawd pulverized. Lub pulverized tshiab paj rwb yog nyob rau hauv daim ntawv ntawm hmoov, thiab nws cov particle loj yog 80 mesh thiab kev hloov pauv yog 100%. Txwv tsis pub, nws yooj yim rau agglomerate ua ke thaum cov txheej txheem cov tshuaj tiv thaiv thiab txo qhov kev ua tau zoo.
Alkalization: Ntxiv cov hmoov txhuv paj rwb tom qab qhib rau hauv cov kuab cua, thiab ua kom zoo nkauj rau cov neeg sawv cev alkali, thiab txhim kho cov kev sib txawv ntawm lub hertification cov tshuaj tiv thaiv Cov. Lub alkali siv nyob rau hauv lub alkalization yog hlau hydroxide lossis ib qho organic puag. Tus nqi ntawm alkali ntxiv (los ntawm huab hwm coj, tib yam hauv qab) yog 0.1-0.6 lub sij hawm uas ntawm cov paj rwb Refined, thiab cov nyiaj ntawm cov muag muag yog 0.3-1.0 zaug uas ntawm recined rwb rwb; Cov kuab tshuaj inert yog kev sib xyaw ntawm dej cawv thiab hydrocarbon, thiab tus nqi ntawm cov kuab tshuaj ntxiv yog cov paj rwb redined. 7-15 Times: Cov kuab tshuaj hauv Inert kuj tseem tuaj yeem yog cawv nrog 3-5 carbon atoms (xws li dej cawv, propanol), acetone. Nws kuj tseem tuaj yeem yog cov pob zeb roj av thiab cov ntxhiab hydrocarbons; Qhov kub yuav tsum tau tswj tsis pub dhau 0-35 ° C thaum lub sijhawm Alkalization; Lub sijhawm Alkalization yog li 1hr. Kev hloov kho ntawm qhov kub thiab sijhawm tuaj yeem txiav txim siab raws li cov kev xav tau ntawm cov khoom siv thiab khoom.
Ethetification: kev kho mob ua kev siv lub tshuab nqus, etherification yog nqa los ntawm kev ntxiv tus neeg sawv cev etherifying yog propylene oxide. Txhawm rau kom txo tau cov kev noj ntawm lub qhov muag tus neeg sawv cev, hauv lub nroog Etherified, ntawm tus neeg sawv cev ua ntej yog 1-3.5 zaug uas yog ob qho nyiaj ntxiv, thiab tag nrho cov nyiaj ntxiv yog 1.5-4 zaug uas yog cov paj rwb recined. lub sij hawm. Tom qab ntxiv rau lub hnub ci tus neeg sawv cev rau thawj zaug, do ntawm qhov kub ntawm ° C rau etherification, lub sijhawm yog 1-5, thiab tom qab ntawd txias rau ≤30 ° C, ntxiv rau lub ob tog Jing rau zaum ob thiab do, stirring sij hawm yog 30-120min, thiab tom qab ntawd kub txog? ? ? Nqa tawm etherification, lub sijhawm yog 1-4h, nyob rau lub sijhawm no, lub paj rwb Refined thiab Eletherifyen tus neeg sawv cev tau tsim H-HPC.
Pulverization thiab ntim: cov khoom qhuav ntawm cov kev tsim muaj tam sim no yog pulverized thiab sieved. Lub particle me me ntawm cov khoom siv pulverized thiab sieved ntawm cov kev tsim muaj tam sim no yog 40 mesh thiab kev hloov pauv yog 10096, lossis raws li cov neeg siv xav tau. Tom qab ntawd pob nws tawm ntawm lub Hoobkas.
Lub sijhawm Post: Oct-13-2022