Qaabka kiimikada: Na5P3O10
Miisaanka molecular: 367.86
Guryaha: Budada cad ama granules, si fudud ugu milmi biyaha. Marka loo eego shuruudaha codsiga iyo habaynta, waxaan ku siin karnaa badeecooyin tilmaamo kala duwan ah sida cufnaanta muuqda ee kala duwan (0.5-0.9g / cm3), solubilities kala duwan (10g, 20g / 100ml biyo), tripolyphosphate sodium degdeg ah, sodium tripolyphosphate, qayb weyn. iwm.
Adeegsada:
1.In warshadaha cuntada, waxaa inta badan loo isticmaalaa sidii hagaajin tayada cuntada qasacadaysan, waxyaabaha caanaha, cabitaanka casiirka khudradda iyo caanaha soy; biyo ceejinta iyo hindisada hilibka hilibka sida ham iyo hilibka qadada; waxay hayn kartaa biyaha, hindise, balaadhin kartaa oo warankijin kartaa habaynta alaabta biyaha; waxay jilcisaa maqaarka digirta ballaaran ee digirta ballaaran ee qasacadaysan; Waxa kale oo loo isticmaali karaa sidii jilciye biyo ah, wakiilka chelating, nidaamiyaha PH iyo dhumuclaha, iyo sidoo kale warshadaha biirka.
2. In duurka warshadaha, waxaa si weyn loo isticmaalaa in saabuunta sida wakiilka kaaliyaha ah, saabuun synergist iyo si looga hortago saabuunta bar ka crystallizing iyo ubax, jilciya biyaha warshadaha, wakiilka pretanning maqaarka, dheeh kaabayaal, saliid ceel ceel dhoobada wakiilka, ka hortagga wasakhowga saliidda wakiilka warqad-samaynta, firdhiyo wax ku ool ah oo loogu talagalay daawaynta ganaaxyada sida rinjiga, kaolin, magnesium oxide, calcium carbonate, iwm. iyo walaxda dhoobada dhoobada iyo biyo yareeya ee warshadaha dhoobada.
Habka diyaarinta dhaqameed ee sodium polyphosphate waa in la baabi'iyo fosfooraska kulul oo leh jajab ballaaran oo ah 75% H3PO4 oo leh hakin dambas soodhaha ah si loo helo slurry dhexdhexaad ah oo leh saamiga Na / P ee 5: 3, oo ku ilaali diirimaad 70 ℃ ~ 90℃; dabadeed ku buufi dareeraha la helay foornada polymerization ee fuuqbaxa heerkulka sare, oo ku dheji sodium tripolyphosphate qiyaastii 400 ℃. Habkan dhaqameed kaliya uma baahna oo kaliya qaaliga fosfooraska kulul, laakiin sidoo kale wuxuu cunaa tamar kulayl badan; Intaa waxaa dheer, marka la diyaarinayo slurry by dhexdhexaadinta, waa lagama maarmaan in la kululeeyo oo laga saaro CO2, iyo geeddi-socodka waa mid adag. Inkasta oo fosfooraska qoyan ee qoyan ee kiimikaad ah loo isticmaali karo in lagu beddelo fosfooraska kulul si loo soo saaro sodium tripolyphosphate, sababtoo ah maadada sare ee birta birta ee fosfooraska qoyan, way adagtahay in la buuxiyo shuruudaha tayada ee hadda jira alaabta sodium tripolyphosphate, sidoo kale waa adag tahay in la buuxiyo tilmaamayaasha lagu qeexay heerarka qaranka.
Waqtigan xaadirka ah, dadku waxay barteen qaar ka mid ah hababka wax soo saarka cusub ee sodium tripolyphosphate, sida codsiga patentka Shiinaha No. 94110486.9 "Habka soo saarida sodium tripolyphosphate", No. 200310105368.6 "Hannaan cusub oo loogu talagalay soo saarista sodium tripolyphosphate", No. 200410040357 "Habka A. si loo soo saaro sodium tripolyphosphate by qalalan-qoyan dhamaystiran Habka ", No. 200510020871.0 "Habka lagu soo saaro sodium tripolyphosphate by Glauber's salt double decomposition method", 200810197998.3 "Habka lagu soo saaro sodium tripolyphosphate iyo soo saarida ammonium chloride", iwm .; inkasta oo xalalkan farsamo ay leeyihiin sifooyin u gaar ah, intooda badani waa inay beddelaan walxaha cayriin ee dhexdhexaadinta.
Habka loo soo saaro sodium tripolyphosphate iyadoo la isticmaalayo sodium pyrophosphate cayriin
Sodium pyrophosphate-ka cayriin marka hore waxa ay gashaa haanta dhaqida milixda si ay uga saarto inta badan chloride sodium-ka, ka dibna waxa ay gashaa saxanka iyo saxanka shaandhaynta sifaynta aasaasiga ah. Keega filterku wuxuu ka kooban yahay xaddi badan oo sodium pyrophosphate ah, iyo xoojinta tirada badan ee chloride sodium waa in ka yar 2.5%. Kadibna, xalku waa la kululeeyaa ilaa 85 ° C haanta kala dirida leh uumiga walaaqaya iyo kala dirida. Sodium sulfide ayaa lagu daraa inta lagu jiro kala diris si looga saaro ions birta. Maaddada aan la milmi karin waa wasakh sida naxaas hydroxide. Mar labaad ayaa la sifeeyaa. Sifeynta waa xal sodium pyrophosphate ah. Kaarboon firfircoon ayaa lagu daraa sifeynta si looga saaro midabada, fosfooraska acid waxaa lagu daraa acidify iyo dardargelinta kala dirida, ugu dambeyntii alkali dareere ah ayaa lagu daraa si loo hagaajiyo qiimaha pH ilaa 7.5-8.5 si loo diyaariyo dareeraha la safeeyey.
Qayb ka mid ah dareeraha la safeeyey ayaa si toos ah loogu isticmaalaa qaybta diyaarinta dareeraha dhexdhexaadinta sodium tripolyphosphate, iyo qaybta kale ee dareeraha la safeeyey waxaa lagu shubaa crystallizer DTB. Dareeraha la safeeyey ee ku jira crystallizer-ka DTB waxaa lagu qaboojiyaa kulaylka bamka wareegga wareegga ah ee qasabka ah iyo 5°C biyo uu soo diro qaboojiyaha. Marka heerkulku xalku hoos ugu dhaco 15°C, waxa la qurxiyay oo la geeyaa taangiga heerka sare ah waxaana la dhexdhigayaa centrifuge si loo kala saaro centrifugal si loo helo kiristaalo sodium pyrophosphates. Kareemayaasha sodium pyrophosphate waxaa lagu daraa qaybta diyaarinta dareeraha dhexdhexaadinta ee habka wax soo saarka sodium tripolyphosphate waxaana lagu qasi karaa fosfooraska acid iyo dareeraha caustic soda si loogu diyaariyo dareeraha dhexdhexaadinta sida alaabta ceeriin ee soo saarista sodium tripolyphosphate. brine-ka sare lagu soo sheegay ayaa lagu soo celiyaa si loo dhaqo sodium pyrophosphate ceeriin; Marka maadada sodium chloride ee brine ay gaadho dhereg, brine ayaa lagu shubaa haanta kaydka, brine ku jira taangiga kaydka waxa lagu shubaa jaakada tuubada gaaska dabada sodium tripolyphosphate si ay kulaylka ugu badasho gaasta dabada heerkulka sare leh. brine ka dib kulaylka beddelashada wuxuu ku soo noqdaa haanta kaydinta si uu uumi u buufiyo.
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