Oxalic Acid Carbon Monoxide ƒe Kpekpeɖeŋunamɔnu
Mɔnu sia zã palladium kple akɔbli dzewo le gɔmedzedzea me abe nusiwo naa nu ʋãna ene, eye wòwɔ tsi ƒe akpa si nye carbon monoxide, oxygen, aha, kple nitric acid si woɖe ɖe tsi me ƒe kadodo ƒe dɔwɔwɔ le 8–11 MPa kple 90–100 °C me. Nuwɔna sia naa oxalate ester gbã, si wotsɔa tsi ƒua gbe le dzoxɔxɔ ƒe nɔnɔmewo me tsɔ wɔa oxalic acid kple aha si sɔ kplii.
Mɔnu sia ƒe nuwɔna ɖeka koe nye nusi naa nu ʋãna, eƒe dɔwɔwɔ lolo, tiatia nyui, eƒe gbugbɔgaxɔ bɔbɔe, nusiwo wowɔ ƒe dzadzɛnyenye lolo, kple ɖiƒoƒo si mebɔ o le ewɔwɔ me. Gake nudidi geɖe le esi be wòanɔ carbon monoxide ƒe dzadzɛnyenye me, ezãnɛ geɖe, nusiwo naa nu ʋãna xɔasiwo, kple ga geɖe de eme.
Ne wozã Pd/C abe nusi naa nu ʋãna ene la, wotsɔa carbon monoxide kple nitrite ester ƒoa ƒui tsɔ wɔa oxalate ester le 130 °C kple yame ƒe nyaƒoɖeamenu me, eye nitric oxide nye nusi dona tso eme. Wokpɔa oxalic acid kple aha si sɔ kplii to oxalate ester la tsɔtsɔ ƒu gbe me. Wogbugbɔa aha sesẽ si woɖe ɖe vovo la ƒe dzoxɔxɔ wɔa nitrite ester, si woate ŋu agbugbɔ awɔ.
Fujian Institute of Structure of Matter, China Academy of Sciences, wɔ numekuku le nusiwo wotsɔ wɔe ƒe sɔsɔme kple yamenutome ƒe sesẽme ƒe nɔnɔme vovovowo ŋu le dimethyl oxalate ƒe catalytic synthesis ŋu le numekuku le catalysts na yame ƒe nyaƒoɖeamenu catalytic coupling of CO kple oxalic acid, eye wotia nuwɔna ƒe nɔnɔme siwo sɔ. Pd (2.0%)/α-Al2O3 ƒe nusi nyo wu la kpɔ yamenutome-ɣeyiɣi ƒe kutsetse si nye 999 g/L·h le yame ƒe nyaƒoɖeamenu, 140 °C, CO/CH3ONO=1.5, kple yamenutome ƒe duƒuƒu 3000/h ƒe nɔnɔmewo me. Dɔwɔƒea wɔ dɔ aduadu kple Fujian Petrochemical Design Institute kple Fujian Nanqing Ammonia Dɔwɔƒe be woawɔ dodokpɔ dodokpɔ si ƒe kpekpeme nye t 100 le ɖeka me atsɔ axɔ CO tso amonia akɔbli si wowɔ me, yame ƒe nyaƒoɖeamenu si naa dimethyl oxalate ƒe wɔwɔme, kple tsi me ʋuʋu wòazu oxalic acid.
Ne wotsɔ mɔnu sia sɔ kple tsi-fase mɔnu la, tiatia geɖe le esi, eƒe dɔwɔwɔ le bɔbɔe, eƒe adzɔnuwo ƒe dzadzɛnyenye lolo, eye ga si wozãna ɖe ewɔwɔ ŋu le sue. Ate ŋu azã dzɔdzɔmeŋusẽ ƒe gas alo dzotsinuwo abe nu xoxowo ene, eye ate ŋu azã carbon monoxide si wokpɔ tso ammonia copper scrubbing alo yellow phosphorus furnace, blast furnace, kple converter tail gas hã abe carbon monoxide gas dzɔtsoƒe ene. Le ɣeyiɣi ma ke me la, ate ŋu ana nu xoxo siwo ƒe asi bɔbɔ hena ethylene glycol wɔwɔ kple nuwɔwɔ ɖekae kple oxalate ester abe domedonu ene.

Shandong Pulisi Atikewɔƒe, Ltd. | Oxalic Acid ƒe Dɔwɔƒe si Naa Nu Nyuitɔ
Woɖo Pulisi Chemical le ƒe 2006 me, eye wòbi ɖe oxalic acid si me kɔ ŋutɔ (CAS 144-62-7) si wɔ ɖeka kple dukɔwo dome dzidzenu siwo woɖo ɖe duta na dɔwɔƒewo kple esiwo ŋu wokɔ siaa. Míaƒe dɔwɔƒe si wotu ɖe Zibo dzi kpɔa egbɔ be wokpɔa eƒe nyonyome dzi vevie, eye oxalic acid si wozãna le dɔwɔƒewo ƒoa adegbe le dzadzɛnyenye 96% ya teti ŋu eye esi wowɔna si ŋu wokɔ la ɖoa dzadzɛnyenye 99.6% gbɔ—eɖoa dɔwɔƒewo ƒe nudidi vovovowo gbɔ.
Míaƒe oxalic acid to vovo le eƒe ʋeʋẽ nyuie kple atike ƒe nɔnɔme siwo li ke ta, eye wònyea nu xoxo si woate ŋu azã le mɔ vovovowo nu le akpa vovovowo me. Le gaŋutiɖoɖo me la, eɖea gbeɖuɖɔ kple oxide siwo le anyigba dzi ɖa le gakpo, aluminum, kple akɔbli ŋu nyuie, si wɔnɛ be nusiwo wotsɔ blaa nu la léna ɖe ʋuwo, yamenutomeyimɔ̃wo, kple elektrikŋusẽ zazã ŋu. Le avɔwo me la, ewɔa dɔ abe nusi gblẽa nu le nutome ŋu ene eye wòléa amadede ɖe te, si wɔnɛ be avɔ ƒe amadede te ŋu nɔa te sesĩe eye wòklẽna nyuie wu.
Tsɔ kpe ɖe eŋu la, wozãnɛ geɖe le atikewo wɔwɔ, atiwo ŋudɔwɔwɔ, ga si mebɔ o ɖeɖe, kple tsi ƒe ʋeʋẽ me. Woɖo kpe edzi kple ISO 9001 kple EU REACH, míetsɔa 25kg ƒe agba siwo woɖo ɖe ɖoɖo nu naa nudɔdɔ gbogbowo, si naa kakaɖedzi le xexeame katã ƒe nudɔdɔwo ŋu. Eɖanye dɔwɔƒe gãwo ƒe nuwɔwɔ alo dɔwɔwɔ deŋgɔwo o, Pulisi Chemical naa nyonyome kple dɔnyala ƒe kpekpeɖeŋu si nɔa anyi ɖaa.