Jawaabta gaaban waa haa. Cyanuric acid waxay hoos u dhigi doontaa pH-ga biyaha barkadda.
Aashitada Cyanuricwaa asiidh dhab ah pH-ga 0.1% xalka cyanuric acid waa 4.5. Uma muuqato inuu aad u asiidh badan yahay halka pH-ga 0.1% xalka sodium bisulfate uu yahay 2.2 pH-ga 0.1% hydrochloric acid uu yahay 1.6. Laakiin fadlan ogow in pH-ga barkadaha dabaasha uu u dhexeeyo 7.2 iyo 7.8 pKa-ga ugu horreeya ee cyanuric acid waa 6.88. Taas macnaheedu waa in inta badan molecules-ka cyanuric acid ee barkadda dabaasha ay sii deyn karaan aayoon haydarojiin ah awoodda cyanuric acid ay u leedahay hoos u dhigista pH-ga aad ayey ugu dhowdahay tan sodium bisulfate oo badanaa loo isticmaalo sidii wax yareeya pH-ga.
Tusaale ahaan:
Waxaa jira barkad dabaasha oo bannaanka ah. pH-ga bilowga ah ee biyaha barkadda waa 7.50, wadarta guud ee alkalinity-gu waa 120 ppm halka heerka cyanuric acid uu yahay 10 ppm. Wax walba si fiican ayay u shaqeynayaan marka laga reebo heerka eber ee cyanuric acid. Aan ku darno 20 ppm oo cyanuric acid qalalan. Cyanuric acid si tartiib tartiib ah ayuu u milmaa, badanaa wuxuu qaataa 2 ilaa 3 maalmood. Marka cyanuric acid si buuxda u milmo pH-ga biyaha barkadda waxay noqon doonaan 7.12 taasoo ka hooseysa xadka hoose ee lagu taliyay ee pH (7.20). 12 ppm oo sodium carbonate ah ama 5 ppm oo sodium hydroxide ah ayaa loo baahan yahay si loogu daro si loo hagaajiyo dhibaatada pH.
Dareere ama slurry Monosodium cyanurate ah ayaa laga heli karaa qaar ka mid ah dukaamada barkadaha. 1 ppm monosodium cyanurate wuxuu kordhin doonaa heerka cyanuric acid 0.85 ppm. Monosodium cyanurate si dhakhso ah ayuu ugu milmaa biyaha, sidaa darteed way ku habboon tahay in la isticmaalo waxayna si dhakhso ah u kordhin kartaa heerarka cyanuric acid ee barkadda dabaasha. Si ka duwan cyanuric acid, dareeraha cyanurate monosodium waa alkaline (pH ee 35% slurry waa inta u dhaxaysa 8.0 ilaa 8.5) wuxuuna si yar u kordhiyaa pH-ga biyaha barkadda. Barkadda kor ku xusan, pH-ga biyaha barkadda waxay kordhi doontaa 7.68 ka dib marka lagu daro 23.5 ppm oo cyanurate monosodium saafi ah.
Ha iloobin in asiidhka cyanuric iyo monosodium cyanurate ee ku jira biyaha barkadda ay sidoo kale u shaqeeyaan sidii kaydiyayaal. Taasi waa, marka heerka asiidhka cyanuric uu sarreeyo, waxay u badan tahay in pH-gu uu hoos u dhaco. Markaa fadlan xasuuso inaad dib u tijaabiso guud ahaan alkalinity-ga marka pH-ga biyaha barkadda loo baahdo si loo hagaajiyo.
Sidoo kale ogow in aashitada cyanuric ay tahay kayd ka xoog badan sodium carbonate, sidaa darteed hagaajinta pH waxay u baahan tahay in lagu daro aashito ama alkali ka badan inta aan lahayn aashitada cyanuric.
Barkadda dabaasha oo pH-ga bilowga ah uu yahay 7.2 pH-na la rabo uu yahay 7.5, wadarta alkalinity-gu waa 120 ppm halka heerka cyanuric acid-ku uu yahay 0, 7 ppm oo sodium carbonate ah ayaa loo baahan yahay si loo daboolo pH-ga la rabo. Ha ahaato pH-ga bilowga ah, pH-ga la rabo iyo guud ahaan alkalinity-gu waa 120 ppm laakiin heerka cyanuric acid-ka u beddel 50 ppm, 10 ppm oo sodium carbonate ah ayaa hadda loo baahan yahay.
Marka pH-ga loo baahdo in la dhimo, asiidhka cyanuric wuxuu leeyahay saameyn yar. Barkadda dabaasha oo pH-ga bilowga ah uu yahay 7.8 pH-ga la rabona uu yahay 7.5, wadarta guud ee alkaliintu waa 120 ppm heerka asiidhka cyanuric-na waa 0, 6.8 ppm oo sodium bisulfate ah ayaa loo baahan yahay si loo daboolo pH-ga la rabo. Ha ahaato pH-ga bilowga ah, pH-ga la rabo iyo guud ahaan alkalinity-gu waa 120 ppm laakiin heerka cyanuric acid-ka u beddel 50 ppm, 7.2 ppm oo sodium bisulfate ah ayaa loo baahan yahay - oo keliya 6% oo ah kordhinta qiyaasta sodium bisulfate.
Cyanuric acid sidoo kale wuxuu leeyahay faa'iido ah in uusan la jaanqaadi doonin kalsiyum ama biraha kale.
Waqtiga boostada: Luulyo-31-2024