Sodium Formate Mɔnu si Wotsɔ Wɔa Oxalic Acid
Woma oxalic acid wɔwɔ to sodium formate mɔnu dzi ɖe lead mɔnu kple calcium mɔnu me. Woxɔa carbon monoxide to sodium hydroxide solution me be woakpɔ sodium formate, eye emegbe woɖea hydrogen ɖa be wòazu sodium oxalate. Mlɔetɔa wɔa dɔ kple lead sulfate (lead mɔnu) alo calcium hydroxide (calcium mɔnu) tsɔ wɔa lead oxalate precipitate alo calcium oxalate precipitate, eye emegbe wotsɔa sulphuric acid dea acid me be woakpɔ oxalic acid.
Mɔnu si woatsɔ awɔ oxalic acid: Ne woklɔ carbon monoxide, alkali kɔklɔ, kple ke ɖeɖe ɖa vɔ la, wotsɔa nusi wotsɔ ƒoa nui ƒoa carbon monoxide wòzua 2 MPa, tsɔa sodium hydroxide 160 g/L doa dzoe do ŋgɔ va ɖoa 150 °C, eye woɖonɛ ɖe reactor be woawɔ sodium formate solution si me wode tsii. Woƒoa tsi si woɖe tso tsia me la nu ƒu wòdea abe 600 g/L ene, woɖonɛ ɖe tsi si me tsi mele o me be woatsɔ ado dzoe ahaƒoe wòazu nu sesẽ, emegbe wodoa dzoe heƒonɛ, eye woɖea tsi le eme le dzoxɔxɔ 400 °C me. Wodzraa sodium oxalate si me tsi mele o la ɖo wòzua nusi wotsɔ ƒoa ƒui, eye wotsɔa lead sulfate dea eme le ʋuʋu me esime wole pH ƒe asixɔxɔ dzi kpɔm le 3–4. Woɖea ɖiƒoƒo siwo me wodea tsii la ɖa to tsilele me, eye emegbe wotsɔa sulphuric acid si sɔ gbɔ wu dea eme be woatsɔ awɔ acide be woakpɔ oxalic acid ƒe tsi. Wotsɔa barium carbonate kple 1% polyacrylamide dea eme hena ʋuʋudedi kple tsiƒuƒu be woaɖe ɖinuwo ɖa. Wofa tsi si woɖe tso eme la, wowɔa kristalo, woɖenɛ to centrifugation me, eye woƒuna be woakpɔ nusi wowɔ vɔ.
Calcium mɔnu si wotsɔ wɔa oxalic acid: Wobua sodium oxalate suspension kple calcium hydroxide suspension si wodzra ɖo ƒe agbɔsɔsɔme eye woɖoa wo ɖe calciumization reactor hena calciumization reaction le ʋuʋu me. Woɖea calciumization tsi si wokpɔ la me eye woklɔa wo. Woƒoa sodium hydroxide si woɖe tso eme la nu ƒu eye wozãnɛ tsɔ wɔa sodium formate, eye wozãa calcium oxalate si woɖe tso keke me la hena acidification reaction. Wodzraa abolo si woɖena ɖa la wòzua calcium oxalate-tsi, si wotsɔa sulphuric acid kple oxalic acid dada aha si me wodea tsii la dea acid-ke me, eye emegbe woɖea asi le eŋu. Woklɔa filter cake (gypsum) la, eye wozãa tsi si wotsɔ klɔa nu la tsɔ dzraa calcium oxalate suspension la ɖo. Woxɔa tsi si woɖe tso eme (oxalic acid solution) la tsɔ ɖea calcium sulfate ƒe akpa nyuiwo ɖa, wofanɛ, wowɔa kristalo, eye wotsɔa wo dea tsi me be woama oxalic acid ƒuƒu si womeɖa o, si wogbugbɔna wɔa kristalo, ɖea eme, eye wòƒuna be woakpɔ nusi dze, eye wogbugbɔa aha dadaa zãna.
Sodium formate lead mɔnu la ƒe dɔwɔwɔ tsitsi, nusiwo wowɔ ƒe nyonyome li ke, kple ewɔwɔ ƒe ɣeyiɣi kpui aɖe, eye eƒe kutsetse nye 80%–90% eye oxalic acid si ŋu wokɔ ƒe dzadzɛnyenye nye 99.5%. Gake ɖiƒoƒo lifi le ewɔwɔ me, eye womate ŋu atrɔ sodium sulfate si wokpɔ tso nusi wowɔ me la ayi dɔwɔwɔa me o, eyata wozãa sulphuric acid kple caustic soda gbogbo aɖe le ewɔwɔ me. Calcium mɔnu si wozãna tsɔ wɔa oxalic acid ate ŋu aɖe ɖiƒoƒo dze dze kple sodium sulfate ɖe anyigba te tsiwo me ɖa, eye ne wotsɔ lime ɖɔ li caustic soda ate ŋu aɖe ga si wozãna ɖe ewɔwɔ ŋu dzi akpɔtɔ ŋutɔ. Woate ŋu atrɔ asi le CaSO4 si wokpɔna tso nuwɔna la me ŋu wòazu xɔtunuwo ɖiƒoƒo manɔmee. Le ɣeyiɣi ma ke me la, wozãa aha dada NaOH si wokpɔ tso nusi wowɔ me tsɔ wɔa nu kple CO tsɔ dzraa sodium formate ɖo, si wɔnɛ be woɖea nusiwo wotsɔ wɔe ƒe agbɔsɔsɔ dzi kpɔtɔna.

Shandong Pulisi Atike Oxalic Acid: Viɖe Veviwo
Shandong Pulisi Chemical ƒe oxalic acid (≥99.6% dzadzɛnyenye, CAS 144-62-7) to vovo kple ɖiƒoƒo siwo le sue ŋutɔ (sulfate ≤0.1%, ga kpekpewo ≤0.002%, gayibɔ ≤0.003%) kple ISO 9001, BV, REACH, FAMI-QS ɖaseɖigbalẽwo, si na be wowɔ ɖe seawo dzi na xexeame katã ƒe asiwo. Le megbe na ƒe 18+ ƒe atike ŋuti nunya, míetsɔa dɔwɔƒe- tẽe asixɔxɔ, blibo-nugoe logistics kple nudzraɖoƒewo le Qingdao, Tianjin, Shanghai melidzeƒewo katã, kple customized packaging (25kg / 50kg) na seamless exportShandong Pulisi Chemical Group. Míaƒe oxalic acid bi ɖe anyigba si mebɔ o ƒe ga ƒe tsidzadza, ga ƒe gbeɖuɖɔ ɖeɖeɖa, avɔwo ƒe amadede, kple kpe xɔasi si nye marble ƒoƒo me, si naa dɔwɔwɔ si mewɔa tɔtrɔ o kple egbɔkpɔnu siwo li tegbee, siwo gblẽna le nugbagbewo ŋu na dɔwɔƒewo ƒe asisiwo le xexeame katã.