Phosphoric Acid Siv hauv Fertilizer

Kev siv

Phosphoric acid muaj kev siv ntau hauv kev lag luam, xws li kev lag luam khoom noj, kev lag luam hluav taws xob, kev lag luam tsim khoom thiab lwm yam lag luam. Ntawm lawv, kev ua liaj ua teb thiab kev lag luam yog ib qho ntawm cov ntawv thov tseem ceeb.

Phosphorus yog ib qho tseem ceeb ntawm cov nroj tsuag cov zaub mov thiab yog coj los ntawm cov hauv paus hniav, feem ntau yog dihydrogenphosphate ion, H2PO4-, muab los ntawm phosphoric acid, H3PO4. Kev tsim cov chiv uas siv los kho cov phosphorus tsis txaus hauv cov av nyob ntawm qhov muaj cov khoom siv ntawm phosphoric acid. Kev siv cov phosphoric acid hauv kev ua liaj ua teb: Kwv yees li 90% ntawm cov phosphoric acid tsim tau siv los ua chiv. Nws yog tsuas yog hloov mus rau hauv peb phosphate ntsev uas yog siv los ua chiv. Lawv yog triple superphosphate (TSP), diamonium hydrogenphosphate (DAP) thiab monoammonium dihydrogenphosphate (MAP).

Phosphoric acid yog ib qho tseem ceeb ntawm cov chiv. Nws yog feem ntau siv los txhawb cov av los ntawm kev muab cov nroj tsuag nrog cov as-ham tsim nyog rau kev loj hlob. Cov kua qaub no yog tsim los ntawm kev kho pob zeb phosphate nrog sulfuric acid, uas yog txheej txheem hu ua cov txheej txheem ntub dej. Tom qab ntawd cov phosphoric acid uas tau tshwm sim yog siv los ua ntau hom chiv, suav nrog cov chiv NPK nrov.

Phosphoric acid yog qhov tseem ceeb tshwj xeeb vim nws muaj phosphorus, uas yog ib qho tseem ceeb ntawm cov khoom noj rau cov nroj tsuag loj hlob. Phosphorus yog qhov xav tau rau kev loj hlob ntawm cov hauv paus hniav muaj zog nrog rau kev tsim cov paj thiab txiv hmab txiv ntoo. Yog tias tsis muaj phosphorus txaus, cov nroj tsuag yuav tawm tsam kom loj hlob thiab tsis tuaj yeem tsim cov qoob loo zoo. Ntxiv phosphorus-nplua nuj chiv rau hauv av tuaj yeem pab xyuas kom cov nroj tsuag muaj kev nkag mus rau cov khoom noj tseem ceeb no.

Lwm qhov txiaj ntsig ntawm kev siv phosphoric acid hauv chiv yog tias nws pab txo cov av pH. Qhov no yog qhov tseem ceeb vim tias cov av uas muaj alkaline dhau tuaj yeem txwv kev loj hlob ntawm cov nroj tsuag los ntawm kev ua kom muaj cov as-ham tsawg. Los ntawm kev ntxiv phosphoric acid rau hauv av, pH qib qis dua, ua kom yooj yim rau cov nroj tsuag kom nkag tau cov as-ham uas lawv xav tau.

Nws tseem tsim nyog sau cia tias phosphoric acid yog cov khoom muaj kev nyab xeeb thiab ruaj khov rau kev siv chiv. Nws yog ib txwm tshwm sim thiab twb pom nyob rau hauv ntau yam sib txawv ntawm pob zeb thiab minerals. Tsis tas li ntawd, los ntawm kev siv phosphoric acid hauv cov chiv, cov neeg ua liaj ua teb tuaj yeem pab txo lawv txoj kev cia siab rau cov chiv chiv, uas tuaj yeem tsim kev puas tsuaj rau ib puag ncig.