Hauj lwm lawm

Kev tsis

DAPcog

Diammonium phosphate (DAP) kev taw qhia

Diammonium phosphate, yog ib qho tseem ceeb inorganic compound. Nws yog xim tsis muaj pob tshab monoclinic siv lead ua lossis hmoov dawb, yooj yim soluble hauv dej thiab insoluble hauv cawv.

Cov mis mos molecular: (NH4)₂HPO 4

Molecular Luj: 132

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Daim ntawv thov Diammonium phosphate (DAP).

Akev ua liaj ua teb

Diammonium phosphate yog ib qho tshuaj chiv uas muaj ob qho khoom noj, nitrogen thiab phosphorus. Nws yog ib tug siab concentration ceev acting fertilizer nrog cov khoom uas tsis muaj cov ntsiab lus tom qab dissolution, haum rau ntau yam qoob loo thiab av, tshwj xeeb tshaj yog rau cov qoob loo uas nyiam thiab xav tau nitrogen thiab phosphorus. Nws tuaj yeem siv los ua cov chiv chiv los yog topdressing. Thaum siv rau cov av acidic, nws tuaj yeem txo qhov kev txhim kho ntawm cov hlau thiab txhuas ntawm phosphorus, tswj kev ua haujlwm siab ntawm phosphorus, thiab tsim nyog rau kev sib sib zog nqus. Nws tuaj yeem siv los ua cov khoom noj ntxiv rau cov ruminants hauv tsiaj txhu. Kev lag luam qib ammonium phosphate yog siv dav hauv kev ua liaj ua teb raws li kev ua tau zoo, tag nrho cov dej-soluble drip irrigation fertilizer thiab tshuaj tsuag chiv.

Tshuaj ikev lag luamntau lawm

Diammonium phosphate tuaj yeem siv rau cov nplaim hluav taws kub nyhiab ntawm cov ntaub, ntawv, ntoo, thiab cov nroj tsuag fibers, impregnation kev kho mob ntawm wicks kom lawv durability, thiab nws tus kheej tua kev kho mob tom qab sib tw ignition. Nws tuaj yeem siv ua hmoov qhuav tua hluav taws thiab phosphorus hauv cov teeb fluorescent. Nws tuaj yeem siv los ua vuam yaj rau tin, tooj liab, tooj liab, thiab zinc. Nws yog siv rau hauv kev luam ntawv thiab phaj ua, hluav taws xob tube tsim, ceramics thiab enamel industries, thiab lwm yam kev lag luam. Nws yog siv rau chrome dyeing ntawm woolen fabrics hauv kev luam ntawv thiab dyeing kev lag luam.

Kev lag luam zaub mov

Raws li cov khoom noj leavening agent, khob noom cookie txias, buffering tus neeg sawv cev, poov xab pub, khob cij improver, thiab fermentation pab rau brewing. Nws kuj siv tau rau refining qab zib.

Kev kho dej

Raws li cov tshuaj tiv thaiv corrosion thiab cov kab mob hauv cov tshuaj biochemical kho cov dej khib nyiab. Nws kuj yog siv los ua ib feem ntawm boiler dej softener.

Cov txheej txheem ntau lawm

Neutralization txoj kev

Dilute lub thermal phosphoric acid rau hauv dilute phosphoric acid nrog dej distilled, xa mus rau seem tubular reactor nrog ib tug acid twj tso kua mis rau neutralization cov tshuaj tiv thaiv nrog ammonia, thiab ces tso cov tshuaj tiv thaiv mus rau lub thib ob seem tubular reactor rau ntxiv cov tshuaj tiv thaiv nrog ammonia. pH tus nqi ntawm cov tshuaj tiv thaiv muaj txog li 8.0. Cov tshuaj raug xa mus rau lub tank zoo tuning kom kho tus nqi pH rau 7.8-8.0, thiab tom qab ntawd xa mus rau lub evaporator rau evaporation thiab concentration rau qhov sib txheeb ze ntawm 1.3. Tom qab ntawd nws raug xa mus rau lub txias crystallizer kom txias thiab crystallizing. Cov khoom tiav ntawm diammonium phosphate yog tau tom qab sib cais nrog niam kua los ntawm centrifuging thiab ziab. Niam cawv yog siv rau kev rov ua dua tshiab.

Cov txheej txheem ntub dej phosphoric acid txoj kev

Cov txheej txheem ntub dej phosphoric acid raug xa mus rau hauv cov khoom siv tshuaj tiv thaiv tom qab dhau los ntawm cov pa roj purification system. Los ntawm peb-theem ammonification, impurities yog tsim rau hauv yooj yim lim precipitates. Tom qab cov nag lossis daus tau sib cais los ntawm cov xovxwm lim, cov lim dej xa mus rau lwm cov khoom siv tshuaj tiv thaiv rau ammonia saturation, thiab tom qab ntawd txias rau hauv cov dej txias kom crystallize rau hauv triammonium phosphate. Cov crystals nyob rau hauv centrifuged thiab lub cev qhuav dej, thiab tom qab ntawd xa mus rau hauv lub cub tawg rau pyrolysis los tsim Diammonium phosphate (DAP). Tom qab ziab, cov khoom kawg ntawm Diammonium phosphate (DAP) tau txais.

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