
Okwu Mmalite
Ụlọ ọrụ electroplating na-arụ ọrụ dị mkpa na ụlọ ọrụ ọgbara ọhụrụ. Ọtụtụ ngwá ọrụ na ndụ anyị kwa ụbọchị bụ electroplated, ọ bụghị nanị na-eme ka ọdịdị ha mara mma ma na-egbu oge nchara na nsogbu ndị ọzọ nke ọma. Ụlọ ọrụ Electroplating nwere usoro mmepụta dị iche iche, na-ebute ụdị dị iche iche nke nsị mmiri. Ndị a gụnyere acid na alkali tupu ọgwụgwọ mmiri mkpofu, cyanide-nwere mmiri mkpofu sitere na cyanide ọla kọpa, mmiri mkpofu nwere ọla kọpa, mmiri mkpofu nwere nickel, mmiri mkpofu nwere chromium, na ndị ọzọ. nnukwu igwe mkpofu mmiris. Iji mesoo mmiri mkpofu ndị a, ndị na-ahụ maka kemịkalụ sodium sulfide na-ejikarị. Isiokwu a ga-enyocha ịdị irè nke sodium sulfide na ọgwụgwọ electroplating mmiri mkpofu.
Njirimara nke sodium sulfide
Sodium sulfide, nke a makwaara dị ka alkali na-esi ísì ụtọ, soda na-esi ísì, alkali odo, alkali na-acha uhie uhie, ma ọ bụ sulfide alkali, bụ ngwakọta inorganic. Ọ nwere ihe onwunwe hygroscopic siri ike ma na-agbaze nke ukwuu na mmiri. Ya aqueous ngwọta bụ ike alkaline na nwere ike ime ka ọkụ mgbe ọ na-abịa na kọntaktị na akpụkpọ na ntutu, otú aha sulfide alkali.
Ngwa dị na Ọgwụgwọ mmiri mkpofu Electroplating
Sodium sulfide na-arụ ọrụ nke ọma n'ịgwọ mmetọ ọla dị iche iche na electroplating mmiri mkpofu. Ọ nwere ike ijikwa ọ bụghị naanị ọla kọpa n'ime mmiri na-ekpofu ọkụ kamakwa ihe ndị na-emerụ emerụ dị ka chromium, zinc, lead, nickel, na cyanide. Mgbe ị na-emeso mmiri mkpofu ọla kọpa dị mgbagwoju anya, ụzọ a na-ahụkarị bụ ịgbakwunye sulfate ferrous ma ọ bụ ihe ndị ọzọ na-ebelata ihe dị n'okpuru ọnọdụ acid iji mebie mgbagwoju ahụ. Mgbe ahụ, dozie pH na alkaline ma gbakwunye sodium sulfide. Usoro a nwere ike ibelata ọnụọgụ sodium sulfide ejiri mee ihe ma gbochie ịmepụta na ịhapụ hydrogen sulfide gas n'okpuru ọnọdụ acidic.
Maka mmiri mkpofu ọla dị arọ n'efu, enwere ike itinye sodium sulfide ozugbo maka ọgwụgwọ. Agbanyeghị, maka mmiri mkpofu ọla dị mgbagwoju anya, a ga-achọrịrị ọgwụgwọ iji mebie ogige ahụ. Sodium sulfide hydrolyzes na-emeghachi omume na mgbagwoju arọ metal mmiri mkpofu na-etolite sulfide na-ebuli elu na nnọọ ala solubility. Ọdịmma sulfide ndị a anaghị adị mfe mgbaze ọbụlagodi n'okpuru ọnọdụ acid. Ya mere, iji sodium sulfide na-emeso mmiri mkpofu ọla dị mgbagwoju anya nwere uru nke ọnụ ala dị ala na nkwụsi ike dị mma.
Ntụle na ojiji nke sodium sulfide
Otu n'ime nsogbu ndị a na-ahụkarị na iji sodium sulfide bụ usoro onunu ogwu. Ọ bụrụ na usoro onunu ogwu dị oke ala, mmetụta mwepụ ọla kọpa adịghị mma. Ọ bụrụ na usoro onunu ogwu ahụ dị oke elu, ọ nwere ike ime ka ahụ mmiri gbachie ma mee ka COD dịkwuo ntakịrị, na-emerụ mmiri ahụ. Iji dozie nke a, tupu iji sodium sulfide, ọ dị mkpa iji dozie uru pH nke mmiri na gburugburu 9. Ọzọkwa, ịme nyocha beaker tupu oge eruo iji chọpụta usoro ọgwụgwọ kwesịrị ekwesị nwere ike inyere aka zere mmetụta ọgwụgwọ na-adịghị mma ma ọ bụ mmụba nke ọdịnaya COD na mmiri.
mmechi
Sodium sulfide nwere mmetụta ọgwụgwọ dị mma na mmiri mkpofu ọla dị arọ sitere na ụlọ ọrụ dị iche iche dị ka bọọdụ sekit e biri ebi, mgbaze ígwè, electroplating, na ịcha mmiri. Otú ọ dị, mgbe a na-eji ya na-emeso mmiri na-ekpo ọkụ eletrik, anyị kwesịrị ịṅa ntị na usoro onunu ogwu na usoro ọgwụgwọ iji mee ka uru ya dị n'ịgwọ mmiri na-ekpofu mmiri ma na-ebelata mmetụta ọjọọ ndị nwere ike ime. Site na iji nlezianya na-achịkwa ihe ndị a, sodium sulfide nwere ike ịbụ ngwá ọrụ bara uru na ọgwụgwọ dị irè nke electroplating mmiri mkpofu, na-enye aka na nchebe gburugburu ebe obibi na mmepe mmepe na ụlọ ọrụ electroplating.
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