Njira Yopangira Oxalic Acid ku China ndi Opanga

Njira Yopangira Oxalic Acid mu Glyoxal Oxidation
Glyoxal imatha kuchepetsedwa kwambiri, kotero imatha kusungunuka mwachangu kukhala oxalic acid pogwiritsa ntchito nitric acid yolimba. Chifukwa cha zinthu monga kupezeka kwa zinthu zopangira, mtengo, ndi ukadaulo, njira iyi ili ndi mpikisano wotsika pamsika ndipo sinapangidwe kukhala mafakitale.
Kuphatikiza apo, pali njira zina zopangira oxalic acid:
(1) Njira yokonzekera mpweya wa kaboni dayokisaidi: Mpweya wa kaboni dayokisaidi umachepetsedwa poyamba kukhala wapakati
CO2
kenako n’kusanduka zinthu zina zachilengedwe. Oxalic acid imapezeka powunikira machitidwe osiyanasiyana a carbon dioxide pogwiritsa ntchito njira zamagetsi ndi ma γ-ray, kuwala kwa dzuwa, kapena nyali za mercury zothamanga kwambiri.
(2) Njira yosungunula zinthu pogwiritsa ntchito zinthu zokhala ndi cellulose: Chisakanizo cha zinthu zokhala ndi cellulose (monga matabwa, mankhusu, ndi zina zotero) ndi alkali wamphamvu wosapangidwa ndi zinthu zina zimasungunuka pa 513–558 K kuti apange oxalate yoposa 50%. Makristalo a oxalate amasungunuka ndi crystallization, kenako sulfuric acid imagwiritsidwa ntchito kupeza oxalic acid yomalizidwa. Njirayi ili ndi njira yosavuta yokonzekera oxalic acid, koma mlingo wosinthira wa single-pass ndi wotsika (osakwana 35%), kugwiritsa ntchito alkali ndi kwakukulu, ndipo kuipitsa chilengedwe ndi kwakukulu.
(3) Njira yopangira zinthu zopangira malasha: Yokonzedwa kuchokera ku mitundu yosiyanasiyana ya peat ngati zinthu zopangira. Mwachitsanzo, oxalic acid imapangidwa kuchokera ku peat ya mtundu wa Sphagnum ndi Polytrichum kudzera mu nitric acid oxidation. Kuchitapo kanthu kumachitika pa 343 K kwa maola 8-9, ndi phindu lofika 95%. Pamene zinthu zopangira monga malasha tar zimagwiritsidwa ntchito popanga oxalic acid, phindu limafikanso 51%.

Shandong Pulisi Chemical Co., Ltd. – Katswiri wa Oxalic Acid (Ethanedioic Acid)

Shandong Pulisi Chemical, kampani yotsogola yopanga mankhwala yomwe idakhazikitsidwa mu 2006 ku Zibo, China, imadziwika kwambiri popanga oxalic acid yoyera kwambiri komanso yopereka padziko lonse lapansi. Mzere wathu waukulu wa oxalic acid uli ndi mitundu yosiyanasiyana ya mafakitale (99.6% kuyera kwa mphindi) ndi mitundu ya chakudya (99.8% kuyera kwa mphindi), yomwe imapezeka mu mitundu yonse ya dihydrate (H₂C₂O₄·2H₂O, CAS 6153-56-6) ndi anhydrous (H₂C₂O₄, CAS 144-62-7) kuti ikwaniritse zosowa zosiyanasiyana zamafakitale.

Popangidwa ndi ukadaulo wapamwamba wopanga komanso kuwongolera bwino khalidwe mogwirizana ndi miyezo ya ISO 9001:2015, oxalic acid yathu ili ndi milingo yotsika ya kuipitsidwa—sulfate ≤0.07%, zitsulo zolemera (Pb) ≤0.0005%, ndi chitsulo (Fe) ≤0.0005%—kutsimikizira kudalirika kwa ntchito kuyambira kuyeretsa zitsulo ndi kupukuta khungu mpaka kukonza madzi ndi kukonza chakudya. Tili ndi ziphaso zovomerezeka kuphatikiza kutsatira REACH ndi kulembetsa kwa FAMI-QS, kutsimikizira kutsatira kwathu malamulo achitetezo apadziko lonse lapansi komanso khalidwe labwino.

Pokhala ndi matumba a PP opangidwa ndi nsalu okwana 25kg (omwe angasinthidwe ndi logo yosindikizidwa) kuti agwiritsidwe ntchito m'mafakitale ambiri, oxalic acid yathu imapezeka kuti itumizidwe kuchokera ku madoko a Qingdao, Tianjin, kapena Shanghai. Popeza timapanga matani 3,000 pamwezi komanso gulu lodzipereka la kafukufuku ndi chitukuko, timapereka mayankho okonzedwa bwino: maoda ang'onoang'ono, ma CD okonzedwa mwamakonda, komanso chithandizo chaukadaulo pamapulojekiti a makasitomala. Monga ogulitsa odalirika kumayiko opitilira 30, timaika patsogolo zinthu zoyendera panthawi yake komanso kulankhulana momveka bwino, zomwe zimatipangitsa kukhala chisankho chabwino kwambiri chogula oxalic acid padziko lonse lapansi.

Nthawi yotumizira: Epulo-20-2026