Kev ntsuas Hydrogen Sulfide hauv Catalyst Pre-Sulfiding Catalyst 'presulfiding'is ib qho kev xyaum uas txo cov kev ua haujlwm ntawm cov catalyst thaum ntxov los ntawm kev tiv thaiv coking (carbon deposits). Cov txheej txheem yuav dhau los ntawm cov pa roj uas muaj xws li. H2S hla lub catalyst lossis rau hauv cov tshuaj tiv thaiv feedstock.
Sulphiding yog dab tsi?
Tom qab lub hydrotreater lossis hydrocracker reactor tau ntim nrog cov catalyst tshiab, cov kauj ruam ua kom, hu ua "sulfiding", yog ua tiav los ntawm reacting cov hlau oxides nrog hydrogen sulfide(H 2S) nyob rau hauv muaj hydrogen.
Tus neeg sawv cev sulfiding yog dab tsi?
Dimethyl Disulfide (DMDS) thiab TBPS 454 yog cov tshuaj sulfiding uas siv los hloov cov hlau oxide hom mus rau cov hlau sulfide crystalline theem nyob rau hauv situ rau hydrotreating catalysts.
DMDS siv rau dab tsi?
DMDS yog siv los ua khoom noj khoom haus ntxiv hauv dos, qej, cheese, nqaij, kua zaub, savory flavors, thiab txiv hmab txiv ntoo flavorsIndustrially, DMDS yog siv hauv cov roj refineries ua sulfiding. tus neeg sawv cev. DMDS kuj yog ib qho av fumigant zoo hauv kev ua liaj ua teb, sau npe hauv ntau lub xeev hauv Asmeskas thiab thoob ntiaj teb.
Catalyst sulfidation yog dab tsi?
Ib daim ntawv thov loj ntawm sulfidation yog hloov pauv ntawm molybdenum oxides rau cov khoom siv sulfides Qhov kev hloov pauv no yog ib kauj ruam hauv kev npaj cov catalysts rau hydrodesulfurization nyob rau hauv alumina impregnated nrog molybdate ntsev yog hloov mus rau molybdenum disulfide los ntawm kev ua ntawm hydrogen sulfide.
