Scale le corrosion inhibition katleho ea diethylenetriamine penta (methylenephosphonic acid) letsoai la hexasodium (DTPMPNA7)

Diethylene triamine penta (methylene phosphonic acid) letsoai la heptasodium, le tsejoang hape e le DTPMPNA7, ke motsoako o sebetsang hantle haholo oa organic phosphonic acid-based.Sehlahisoa sena se na le foromo ea lik'hemik'hale C9H28N3O15P5Na7 le boima ba molar ea 683.15 g / mol, e leng se etsang hore e be sehlahisoa se matla mesebetsing e fapaneng ea indasteri.Sekala sa eona se setle haholo le thepa ea ho thibela kutu e etsa hore e be letlotlo la bohlokoa kalafong ea metsi, ts'ebetsong ea masimo a oli le lits'ebetsong tse ling tsa indasteri.

E 'ngoe ea melemo ea mantlha ea DTPMPNA7 ke thepa ea eona e ntle ea chelating.Sena se bolela hore se ka etsa li-complexes tse tsitsitseng tse nang le li-ion tse sa tšoaneng tsa tšepe, ka katleho ho thibela ho thehoa ha sekhahla le ho felisa li-deposit tse teng.Lits'ebetsong tsa kalafo ea metsi, boteng ba li-ion tsa tšepe tse kang calcium, magnesium, le tšepe li ka baka pula e ngata, ka hona ho fokotsa ts'ebetso ea phetisetso ea mocheso le ho eketsa tšebeliso ea matla.DTPMPNA7 e arola ka katleho li-ion tsena tsa tšepe, ho thibela sebopeho sa sekala le ho boloka ts'ebetso ea sistimi.

Ntle le thepa ea eona ea chelating, DTPMPNA7 e na le bokhoni bo botle ba ho thibela kutu.Ho senyeha ha lits'ebetso tsa indasteri ho ka lebisa ho senyeha ha lisebelisoa, ho lutla, 'me qetellong ho hloleha ha sistimi.Ka ho etsa filimi e sireletsang holim'a tšepe, DTPMPNA7 e fokotsa liphello tsa lintho tse senyang ka metsing, ho lelefatsa bophelo ba tsamaiso le ho fokotsa litšenyehelo tsa tlhokomelo.

Ho phaella moo, DTPMPNA7 e sebetsa haholo ho tsitsisa likaroloana tsa tšepe ea oxide, e leng se etsang hore e be motsoako oa bohlokoa ho hloekisa tšepe le ho theola liforomo.Bokhoni ba eona ba ho hasanya le ho thibela ho tsosolosoa ha likaroloana tsa tšepe tsa oxide ho netefatsa ts'ebetso e phethahetseng le e sebetsang ea ho hloekisa, ka hona ho eketsa ts'ebetso ea lisebelisoa le bophelo ba tšebeletso.

Ho feto-fetoha ha DTPMPNA7 ho boetse ho bonahala ka ho lumellana ha eona le lik'hemik'hale tse ling le li-additives tse atisang ho sebelisoa lits'ebetsong tsa indasteri.Ho sa tsotellehe hore na e kenyelelitsoe mefuteng ea ho hloekisa metsi a pholileng, lihlahisoa tsa ho hlatsoa le ho hloekisa, kapa li-antiscalants tsa oli, DTPMPNA7 e ntlafatsa ts'ebetso ea kakaretso ea lihlahisoa tsena, e leng se etsang hore li atlehe haholoanyane lits'ebetsong tsa tsona.

Ka kakaretso, diethylenetriamine penta (methylenephosphonic acid) heptasodium salt (DTPMPNA7) ke sehlahisoa se nang le mefuta e mengata e nang le tekanyo e kholo le thepa ea ho thibela ho bola.Bokhoni ba eona ba ho chelate li-ion tsa tšepe, ho thibela kutu le ho tsitsisa likaroloana tsa tšepe tsa oxide e etsa hore e be letlotlo la bohlokoa lits'ebetsong tse fapaneng tsa indasteri.Ha liindasteri li ntse li tsoela pele ho batla litharollo tse sebetsang hantle, tse tsitsitseng litlhoko tsa bona tsa ho hloekisa metsi le tlhokomelo ea metsi, bohlokoa ba DTPMPNA7 ho netefatsa hore ts'ebetso e sebetsang hantle le bophelo bo bolelele bo ke ke ba nyenyefatsoa.Bakeng sa lik'hamphani tse batlang ho ntlafatsa lits'ebetso tsa indasteri, ho kenyelletsa DTPMPNA7 mefuteng ea bona ea lik'hemik'hale ke khetho e bohlale le e sebetsang.