Refined Paj Rwb-Qhib-Alkalization-Alkalization-Netagation-Suming-Cov Khoom Siv-Ua Ntej-Zais-Cais Lub pulverized tshiab paj rwb yog nyob rau hauv daim ntawv ntawm hmoov, nrog particle loj ntawm 80 mesh thiab kev hloov pauv ntawm 100%. Txwv tsis pub, nws yog qhov yooj yim rau Coalesce ua ke thaum lub sijhawm cov tshuaj tiv thaiv thiab txo qhov kev ua tau zoo.
Alkalization: Ntxiv cov hmoov txhuv paj rwb tom qab cov paj rwb qhib rau ntawm lub cev nqaij daim tawv nqaij thiab txhim kho cov kev sib tw ntawm kev sib raug zoo ntawm kev tawm tsam ntawm lub Ehere Ethegation. Lub alkali siv rau kev ua kom muaj kev sib dhos yog ib qho hlau hydroxide lossis ib tus organic alkali. Tus nqi ntawm alkali ntxiv (los ntawm huab hwm coj, zoo li qub hauv qab) yog 0.1-0.6 lub sij hawm uas ntawm refined paj rwb, tus nqi ntawm cov muag muag ntxiv yog 0.3-1.0 zaug uas ntawm recined rwb rwb; Cov kuab tshuaj inert yog sib xyaw ntawm dej cawv thiab hydrocarbon, thiab tus nqi ntawm cov kuab tshuaj ntxiv yog 0.3-1.0 lub sijhawm uas ntawm recined paj rwb. 7 -15 lub sij hawm ntawm qhov ntawd: 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. Qhov kev hloov kho ntawm qhov kub thiab sijhawm tuaj yeem txiav txim siab raws li cov khoom siv thiab cov khoom lag luam.
Ethetification: kev kho mob ua kev sib xyaws, nyob rau hauv lub tshuab nqus tsev, sawv cev rau lub xeev Aletheration yog Propylene Oxide. Txhawm rau kom txo qis kev noj ntawm lub txim ntawm lub txim tus neeg sawv cev ntawm lub hnub nyoog, thaum lub sij hawm thib ob ntxiv yog 1,5-4 zaug yog 1.5-4 zaug uas ntawm refined rwb paj rwb. lub sij hawm. Tom qab ntxiv lub hnub ci tus neeg sawv cev rau thawj zaug, do ntawm qhov kub ntawm itharing rau 1-5, ces tsav lub sij hawm rau 1-5, ces tsav lub sijhawm yog 30-120min, thiab tom qab ntawd rhuab rau? ? ? Nqa tawm etherification, lub sijhawm yog 1-4h, nyob rau lub sijhawm no, lub rauv rwb refined tag nrho cov neeg sawv cev kom tsim H-HPC.
Kev sib tsoo thiab ntim: Crushing thiab sieving cov khoom qhuav, cov particle loj ntawm cov khoom tam sim no tom qab crusher yog 4096, lossis raws li cov neeg xav tau kev pab. Tom qab ntawd ntim lub Hoobkas
Lub Sijhawm Post: Feb-21-2025