Furfural thiab pob kws cob ua cov txheej txheem furfural
Cov ntsiab lus
Pentosan cog fiber ntau cov ntaub ntawv (xws li pob kws cob, txiv laum huab xeeb plhaub, paj rwb hulls, nplej hulls, sawdust, paj rwb ntoo) yuav hydrolysis rau pentose nyob rau hauv lub fluence ntawm tej yam kub thiab catalyst, Pentoses tawm tawm peb dej molecules los tsim furfural.
Cov pob kws cob yog siv los ntawm cov ntaub ntawv feem ntau, thiab tom qab ib tug series ntawm cov txheej txheem uas muaj xws li Purification, crushing, nrog acid hydrolysis, mash distillation, neutralization, dewatering, refining tau qhov tsim nyog furfural thaum kawg.
"Cov khib nyiab" yuav raug xa mus rau lub boiler combustion, cov tshauv tuaj yeem siv los ua cov khoom ntim rau hauv cov txheej txheem lossis cov organic.
Thib peb, cov txheej txheem flow chart:
Tshuaj lom neeg
Vim hais tias furfural muaj aldehyde thiab dienyl ether functional pawg, furfural muaj cov khoom ntawm aldehydes, ethers, dienes thiab lwm yam tebchaw, tshwj xeeb tshaj yog zoo li benzaldehyde. Hauv qee qhov xwm txheej, furfural tuaj yeem ua rau cov tshuaj lom neeg hauv qab no:
Furfural yog oxidized los tsim cov txiv neej acid, maleic anhydride, furoic acid, thiab furanic acid.
Nyob rau hauv cov roj theem, furfural yog oxidized los ntawm ib tug catalyst los tsim anhydrous malic acid.
Furfural hydrogenation tuaj yeem tsim tau furfuryl cawv, tetrahydrofurfuryl cawv, methyl furan, methyl tetrahydrofuran.
Furan tuaj yeem tsim los ntawm furfural chav thiab dej chav dej tom qab decarburization nrog cov catalyst tsim nyog.
Furfural undergoes Conicaro cov tshuaj tiv thaiv nyob rau hauv qhov kev txiav txim ntawm muaj zog alkali los tsim furfuryl cawv thiab sodium furoate.
Furfural tuaj yeem ua rau Boqin cov tshuaj tiv thaiv raws li kev ua ntawm fatty acid ntsev los yog organic puag thiab condense nrog acid anhydride los ua furan acrylic acid.
Furfural yog condensed nrog phenolic tebchaw los tsim cov thermoplastic cob; nws yog condensed nrog urea thiab melamine ua yas; thiab nws yog condensed nrog acetone los ua furfurone resin.
Corncob siv
1. Nws tuaj yeem siv los tshem tawm cov hlau hnyav los ntawm cov dej khib nyiab, thiab nws tuaj yeem siv los tiv thaiv cov hlau nyias nyias los ntawm kev sib txuas ua ke.
2. Nws tuaj yeem siv rau hauv kev tsim cov duab los qhia, cov cement board thiab cement cib, thiab nws tuaj yeem siv los ua cov khoom siv rau cov kua nplaum los yog muab tshuaj txhuam.
3. Nws tuaj yeem siv ua zaub mov premix, methionine, lysine, lysine protein hmoov, betaine, ntau yam pwm npaj, tshuaj tua kab mob, vitamins, phospholipids, phytase, flavoring agents thiab madurin, kev nyab xeeb Common enzyme choline chloride, thiab lwm yam., Veterinary tshuaj additives , cov khoom noj khoom haus, tuaj yeem hloov cov hmoov thib ob, thiab tseem yog ib qho ntawm cov khoom siv tseem ceeb rau cov fermentation ntawm cov khoom siv roj ntsha.
4. Siv rau kev ua furfural thiab xylitol.
Cov khoom muaj feem xyuam
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