Nkhani

Urea angagwiritsidwe ntchito zambiri monga zopangira kupanga melamine, urea formaldehyde utomoni, hydrazine hydrate, tetracycline, Phenobarbital, tiyi kapena khofi, yafupika bulauni BR, phthalocyanine B, phthalocyanine Bx, monosodium glutamate ndi mankhwala ena.

Lili ndi zotsatira zowala pa mankhwala kupukuta zitsulo ndi zitsulo zosapanga dzimbiri, ndipo ntchito ngati dzimbiri inhibitor mu pickling zitsulo, komanso pokonzekera palladium kutsegula njira.
M'makampani, amagwiritsidwanso ntchito ngati zopangira zopangira urea formaldehyde resin, polyurethane ndi melamine resin.Pamene aureaimatenthedwa mpaka 200 ℃, imapanga melamine yolimba (ie cyanuric acid).Zochokera ku Cyanuric acid trichloroisocyanuric acid, sodium dichloroisocyanate, tri (2-hydroxyethyl) isocyanurate, tri (Allyl gulu) isocyanurate, tri (3,5-di-tert-butyl-4-hydroxybenzyl) isocyanate, tri Glycidol ether ya isocyanic acid. , ndi melamine complex ya cyanuric acid imakhala ndi ntchito zambiri zofunika.Awiri oyambilira ndi ophera tizilombo toyambitsa matenda komanso ma bleaches atsopano, omwe amatha kupanga matani opitilira 80000 a trichloroisocyanuric acid padziko lonse lapansi.
Kusankha kuchepetsa wothandizila denitrification wa kuyaka utsi mpweya, komanso magalimoto urea, wopangidwa 32.5% mkulu-kuyera urea ndi 67.5% deionized madzi.
Selective Catalytic Reduction (SCR) enist post-treatment ndi teknoloji yomwe imathandizira kuchepetsa ma nitrogen oxides (NOx) mu gasi wotulutsa magalimoto kudzera mu pyrolysis reaction ya ammonia yopangidwa ndi urea mu utsi woyaka.Ndi ukadaulo wofunikira komanso wodziwika bwino pakuchepetsa zinthu zovulaza monga NOx pamagesi oyaka moto monga ma boilers ndi injini za dizilo.Dongosolo la SCR ndi dongosolo lofunikira kuti likwaniritse malamulo ndi malamulo okhwima a Hyundai Motor Company, monga malamulo a Euro IV/Euro V/Euro VI (national IV/ national V/ national VI).Magalimoto ureaamatchedwa AdBlue ku Europe ndi DEF ku United States.

Zipangizo zamapulasitiki apadera, makamaka Urea-formaldehyde, zida zina za rabara, feteleza ndi zopangira chakudya, m'malo mwa mchere wothira madzi amwazikana mumsewu (ubwino wake ndikuti suwononga zitsulo), kukulitsa kununkhira kwa ndudu, kupatsa mafakitale a Pretzel bulauni. Shampoo ina, zosakaniza zotsukira, zosakaniza za phukusi lafiriji yothandizira (chifukwa urea imakumana ndi madzi kuti itenge kutentha), injini yamagalimoto ya urea yochizira dizilo, injini Kutaya mpweya wochokera kumagetsi otenthetsera kumatha kuchepetsa kwambiri nitrogen oxide, kapangidwe ka mvula yolimbikitsa (zovuta). mchere), ntchito kupatutsa parafini (chifukwa urea akhoza kupanga Kuphatikizika pawiri), zipangizo refractory, zikuchokera chilengedwe injini mafuta, zikuchokera mano whitening mankhwala, mankhwala feteleza, zofunika wothandiza wothandizila utoto ndi kusindikiza.