Tsarin sinadarai: Na5P3O10
Nauyin kwayoyin halitta: 367.86
Halaye: Farin foda ko granules, mai narkewa cikin sauƙi a cikin ruwa. Dangane da buƙatun aikace-aikace da sarrafawa, za mu iya samar da samfuran takamaiman bayanai daban-daban kamar yawan da aka bayyana daban-daban (0.5-0.9g/cm3), narkewar abubuwa daban-daban (10g, 20g/100ml ruwa), sodium tripolyphosphate nan take, babban barbashi sodium tripolyphosphate, da sauransu.
Amfani:
1. A fannin abinci, ana amfani da shi ne a matsayin ingantaccen inganci ga abincin gwangwani, kayayyakin kiwo, abubuwan sha na ruwan 'ya'yan itace da madarar waken soya; abin riƙe ruwa da taushi ga kayayyakin nama kamar naman alade da naman abincin rana; yana iya riƙe ruwa, ya jiƙa, ya faɗaɗa da kuma bleach a cikin sarrafa kayayyakin ruwa; yana iya laushi fatar wake mai faɗi a cikin wake mai faɗi; kuma ana iya amfani da shi azaman mai laushin ruwa, wakili mai lanƙwasa, mai daidaita PH da mai kauri, da kuma a masana'antar giya.
2. A fannin masana'antu, ana amfani da shi sosai a cikin sabulun wanka a matsayin maganin taimako, maganin haɗa sabulu da kuma hana sabulun bar yin lu'ulu'u da fure, mai laushin ruwa na masana'antu, maganin hana tanning fata, maganin rini, maganin kula da laka na rijiyar mai, maganin hana gurɓatar mai don yin takarda, mai watsawa mai tasiri don magance dakatarwa kamar fenti, kaolin, magnesium oxide, calcium carbonate, da sauransu, da kuma maganin rage gurɓatar yumbu da rage ruwa a masana'antar yumbu.
Hanyar shiri ta gargajiya ta sodium polyphosphate ita ce a rage sinadarin phosphoric acid mai zafi tare da kaso 75% na H3PO4 tare da dakatarwar ash ta soda don samun slurry mai narkewa tare da rabon Na/P na 5:3, kuma a ajiye shi a ɗumi a 70℃ ~ 90℃; sannan a fesa slurry da aka samu a cikin tanderu mai polymerization don bushewa a babban zafin jiki, sannan a narkar da shi cikin sodium tripolyphosphate a kusan 400℃. Wannan hanyar gargajiya ba wai kawai tana buƙatar acid mai zafi mai tsada ba, har ma tana cinye kuzarin zafi mai yawa; bugu da ƙari, lokacin shirya slurry ta hanyar hana shi, yana da mahimmanci a dumama da cire CO2, kuma tsarin yana da rikitarwa. Kodayake ana iya amfani da acid mai phosphoric acid mai tsafta da aka tsarkake ta hanyar sinadarai don maye gurbin acid mai zafi na phosphoric acid don samar da sodium tripolyphosphate, saboda yawan sinadarin ƙarfe na ƙarfe a cikin acid mai rigar phosphoric acid, yana da wuya a cika buƙatun ingancin samfuran sodium tripolyphosphate na yanzu, kuma yana da wuya a cika alamun da aka ƙayyade a cikin ƙa'idodin ƙasa.
A halin yanzu, mutane sun yi nazarin wasu sabbin hanyoyin samar da sodium tripolyphosphate, kamar aikace-aikacen haƙƙin mallaka na ƙasar Sin mai lamba 94110486.9 "Hanya don samar da sodium tripolyphosphate", Lamba 200310105368.6 "Sabon tsari don samar da sodium tripolyphosphate", Lamba 200410040357.9 "Hanya don samar da sodium tripolyphosphate ta hanyar busasshen hanya mai cike da ruwa", Lamba 200510020871.0 "Hanya don samar da sodium tripolyphosphate ta hanyar hanyar narkewar gishirin Glauber", 200810197998.3 "Hanya don samar da sodium tripolyphosphate da samar da ammonium chloride ta hanyar amfani da shi", da sauransu; kodayake waɗannan hanyoyin fasaha suna da nasu halaye, yawancinsu suna canza kayan aikin da ba su da alaƙa da juna.
Hanyar samar da sodium tripolyphosphate ta amfani da danyen sodium pyrophosphate
Da farko dai sinadarin sodium pyrophosphate mai ɗanɗanon ruwa yana shiga tankin wanke gishiri don cire yawancin sinadarin sodium chloride, sannan ya shiga matsewar filtata da firam don tacewa ta farko. Kek ɗin tacewa yana ɗauke da babban adadin sodium pyrophosphate, kuma yawan sinadarin sodium chloride bai kai kashi 2.5% ba. Sannan, ana dumama maganin zuwa digiri 85 a cikin tankin narkewa tare da tururi don juyawa da narkewa. Ana ƙara sodium sulfide yayin narkewa don cire ions na ƙarfe. Abubuwan da ba sa narkewa suna da ƙazanta kamar jan ƙarfe hydroxide. Ana sake tace shi a karo na biyu. Tacewar maganin sodium pyrophosphate ne. Ana ƙara carbon da aka kunna a cikin tacewa don cire launuka, ana ƙara phosphoric acid don ƙara acid da hanzarta narkewa, kuma a ƙarshe ana ƙara ruwa alkali don daidaita ƙimar pH zuwa 7.5-8.5 don shirya ruwa mai tsafta.
Ana amfani da wani ɓangare na ruwan da aka tace kai tsaye a cikin sashin shirya ruwa na sodium tripolyphosphate, sannan a tura ɗayan ɓangaren ruwan da aka tace zuwa cikin crystallizer na DTB. Ruwan da aka tace a cikin crystallizer na DTB ana sanyaya shi a cikin mai musayar zafi ta hanyar famfon da aka tilasta wa zagayawa da ruwan 5°C da mai sanyaya ya aika. Lokacin da zafin maganin ya faɗi zuwa 15°C, ana mayar da shi cikin flocs sannan a kai shi zuwa babban tanki sannan a sanya shi cikin centrifuge don rabuwar centrifugal don samun lu'ulu'u na sodium pyrophosphate. Ana ƙara lu'ulu'u na sodium pyrophosphate zuwa sashin shirya ruwa na neutralization a cikin tsarin samar da sodium tripolyphosphate kuma a haɗa shi da phosphoric acid da ruwa mai caustic soda don shirya ruwan neutralization azaman kayan aiki don samar da sodium tripolyphosphate. Ana mayar da ruwan da aka ambata a sama don wanke ɗanyen sodium pyrophosphate; Idan sinadarin sodium chloride da ke cikin ruwan gishirin ya cika, sai a zuba ruwan gishirin a cikin tankin buffer, sannan a zuba ruwan gishirin da ke cikin tankin buffer a cikin jakar iskar gas ta sodium tripolyphosphate don musanya zafi da iskar wutsiya mai zafi. Ruwan gishirin bayan musayar zafi yana komawa zuwa tankin buffer don fitar da iskar feshi.
Tuntuɓi:
Kamfanin Shipuller na Beijing, Ltd.
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Yanar gizo: https://www.yumartfood.com/
Lokacin Saƙo: Nuwamba-11-2024