Usoro kemịkalụ: Na5P3O10
Ibu molekụla: 367.86
Àgwà: Ntụ ntụ ọcha ma ọ bụ granules, nke a na-agbaze ngwa ngwa na mmiri. Dịka ihe achọrọ maka itinye ya na nhazi ya si dị, anyị nwere ike inye ngwaahịa dị iche iche dịka njupụta dị iche iche (0.5-0.9g/cm3), mmiri dị iche iche (10g, 20g/100ml mmiri), sodium tripolyphosphate ozugbo, sodium tripolyphosphate nnukwu-particle, wdg.
Ojiji:
1. N'ụlọ ọrụ nri, a na-ejikarị ya eme ihe dị ka ihe na-eme ka nri mkpọ, ihe ndị e ji mmiri ara ehi mee, ihe ọṅụṅụ ihe ọṅụṅụ mkpụrụ osisi na mmiri ara ehi soy dị mma; ihe na-eme ka mmiri dị nro ma na-eme ka anụ dị nro dịka anụ ham na anụ nri ehihie; ọ nwere ike idobe mmiri, mee ka ọ dị nro, gbasaa ma kpụọ ọbara n'ime mmiri; ọ nwere ike ime ka akpụkpọ anụ dị nro n'ime agwa mkpọ; a pụkwara iji ya dị ka ihe na-eme ka mmiri dị nro, ihe na-eme ka ọ dị nro, ihe na-achịkwa PH na ihe na-eme ka ọ dị arọ, yana n'ụlọ ọrụ biya.
2. N'ọrụ mmepụta ihe, a na-ejikarị ya eme ihe ncha dị ka ihe enyemaka, ihe na-eme ka ncha dị nro, na iji gbochie ncha mmanya ka ọ ghara ịgbapụta ma na-ama ifuru, ihe na-eme ka mmiri dị nro, ihe na-eme ka akpụkpọ anụ dị nro, ihe na-eme ka agba dị nro, ihe na-achịkwa apịtị mmanụ, ihe na-egbochi mmetọ mmanụ maka ime akwụkwọ, ihe na-agbasa nke ọma maka ọgwụgwọ nke ihe nkwụsịtụ dịka agba, kaolin, magnesium oxide, calcium carbonate, wdg, na ihe na-eme ka seramiiki dị ọcha na ihe na-ebelata mmiri na ụlọ ọrụ seramiiki.
Usoro nkwadebe ọdịnala nke sodium polyphosphate bụ iwepụ phosphoric acid ọkụ site na oke nke 75% H3PO4 na soda ash suspension iji nweta slurry a gwakọtara agwakọta nke nwere oke Na/P nke 5:3, ma mee ka ọ dị ọkụ na 70℃~90℃; wee fesa slurry enwetara n'ime ọkụ polymerization maka mmiri ịkpọ nkụ na oke okpomọkụ dị elu, wee tinye ya na sodium tripolyphosphate na ihe dị ka 400℃. Usoro ọdịnala a anaghị achọ naanị phosphoric acid ọkụ dị oke ọnụ, kamakwa ọ na-eri nnukwu ike okpomọkụ; na mgbakwunye, mgbe ị na-akwadebe slurry site na neutralization, ọ dị mkpa ikpo ọkụ na iwepụ CO2, usoro ahụ dịkwa mgbagwoju anya. Ọ bụ ezie na enwere ike iji phosphoric acid mmiri dị ọcha dochie phosphoric acid ọkụ iji mepụta sodium tripolyphosphate, n'ihi nnukwu ọdịnaya nke ígwè ígwè na phosphoric acid mmiri mmiri, ọ na-esiri ike iru ihe achọrọ maka mma nke ngwaahịa sodium tripolyphosphate dị ugbu a, ọ na-esikwa ike iru ihe ngosi akọwapụtara na ọkọlọtọ mba.
Ugbu a, ndị mmadụ amụọla ụfọdụ usoro mmepụta ọhụrụ nke sodium tripolyphosphate, dịka ojiji patent nke ndị China Nke 94110486.9 "Usoro maka imepụta sodium tripolyphosphate", Nke 200310105368.6 "Usoro ọhụrụ maka imepụta sodium tripolyphosphate", Nke 200410040357.9 "Usoro maka imepụta sodium tripolyphosphate site na usoro akọrọ-mmiri zuru oke", Nke 200510020871.0 "Usoro maka imepụta sodium tripolyphosphate site na usoro Glauber salt double decomposition", 200810197998.3 "Usoro maka imepụta sodium tripolyphosphate na imepụta ammonium chloride site na mmepụta", wdg; ọ bụ ezie na ngwọta teknụzụ ndị a nwere njirimara nke ha, ọtụtụ n'ime ha bụ ịgbanwe ihe ndị na-adịghị mma.
Usoro esi emepụta sodium tripolyphosphate site na iji sodium pyrophosphate efu
Sodium pyrophosphate nke a na-akpọ great na-abanye na tankị ịsa nnu iji wepụ ọtụtụ sodium chloride, wee banye na efere na ihe nzacha etiti maka nzacha mbụ. Achịcha nzacha ahụ nwere nnukwu sodium pyrophosphate, oke mkpokọta sodium chloride erughị 2.5%. Mgbe ahụ, a na-ekpo ọkụ mmiri ahụ ruo 85°C na tankị mgbasa ahụ na steam maka ịkpali ma gbazee. A na-agbakwunye sodium sulfide n'oge mgbasa iji wepụ ion ígwè. Ihe na-anaghị agbaze bụ ihe ruru unyi dị ka copper hydroxide. A na-asacha ya ọzọ maka oge nke abụọ. Filtrate bụ mmiri sodium pyrophosphate. A na-agbakwunye carbon arụ ọrụ na filtrate iji wepụ agba, a na-agbakwunye phosphoric acid iji mee ka mgbaze dịkwuo ngwa ngwa, n'ikpeazụ a na-agbakwunye alkali mmiri iji gbanwee uru pH ka ọ bụrụ 7.5-8.5 iji kwadebe mmiri a nụchara anụcha.
A na-eji akụkụ nke mmiri a gwakọtara agwakọta kpọmkwem na ngalaba nkwadebe mmiri sodium tripolyphosphate neutralization, a na-etinyekwa akụkụ nke ọzọ nke mmiri a gwakọtara agwakọta n'ime kristal DTB. A na-eme ka mmiri a gwakọtara agwakọta dị na kristal DTB dị jụụ na ihe na-agbanwe okpomọkụ site na mgbapụta mgbasa ozi a manyere na mmiri 5°C nke chiller zitere. Mgbe okpomọkụ mmiri ahụ dara ruo 15°C, a na-eme ka ọ bụrụ kristal ka ọ bụrụ flocs wee buru ya gaa na tankị dị elu ma tinye ya na centrifuge maka nkewa centrifugal iji nweta kristal sodium pyrophosphate. A na-agbakwunye kristal sodium pyrophosphate na ngalaba nkwadebe mmiri a gwakọtara agwakọta na usoro mmepụta sodium tripolyphosphate ma gwakọta ya na phosphoric acid na soda mmiri caustic iji kwadebe mmiri a gwakọtara agwakọta dị ka ihe eji emepụta sodium tripolyphosphate. A na-eweghachi brine ahụ a kpọtụrụ aha n'elu iji saa sodium pyrophosphate dị ọcha; Mgbe ọdịnaya sodium chloride dị na brine ahụ ruru afọ ojuju, a na-etinye brine ahụ n'ime tankị nchekwa ahụ, a na-etinyekwa brine dị na tankị nchekwa ahụ n'ime jaket gas ọdụ sodium tripolyphosphate iji gbanwee okpomọkụ na gas ọdụ dị elu. Brine ahụ mgbe mgbanwe okpomọkụ gasịrị na-alaghachi na tankị nchekwa ahụ maka ikuku ịgbasa.
Kpọtụrụ:
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Oge ozi: Nọvemba-11-2024