Oxalic Acid Carbohydrate Oxidation Method
Ing paralan ayni gagamit yang starch ampo sugars bilang raw materials ampo oxidize nala gamit ing nitric acid keng 73-80 °C para mika oxalic acid. Nung gamitan me ing starch bilang alimbawa, ing prosesu makanini ya: 85% mass fraction starch mipapalwal ya keng aqueous solution a maki 10% oxalic acid o ing mother liquor da reng aliwang intermediate a produktu, papainitan keng acid, ampo mi-reflux kilub ning 6 oras para akit ing intermediate product glucose. Kaybat, ing nitric acid ampo ing iron-vanadium catalyst midagdag la keng 63 °C para keng karagdagang hydrolysis, ampo ing oxalic acid makwa ya kapamilatan ning pamagdalisay kaybat ning reaksyun.
Ing peka-reaksyun yapin ing hydrolysis ning starch para maging glucose, na kaybat mag-oxidize ya keng oxalic acid ampo ing nitric acid keng presensya ning
Fe 3+ ampo V2O5V
catalysts. Ing paralan ayni atin yang agad a available a raw materials, simpleng prosesu, mild operating conditions, ampo mababang puhunan, ampo deng bangsa malyari lang mamili miyayaliwang raw materials agpang keng karelang sariling resource conditions. keng ani ampo keng ekonomiya, ing corn starch ing pekamasanting a pilinan. Nanupata, kayabe la reng disbentaha na king mababang ani, maragul a pamangailangan king binutil, matas a gastus king pamaglalang, at maragul a dagul ning nitrogen oxides king tail gas, a matas a lasun at magdalang maragul a polusyun king kapaligiran.

Ing Shandong Pulisi Chemical metung yang propesyonal a Tsina a gagawang oxalic acid (dihydrate, H2C2O4·2H2O) a maki 99.6% minimum a kalinisan.

Textile & dyeing: Bleaching agent, color-fixing auxiliary
Pamagprosesu keng balat: Tanning & de-ashing agent
Metal & surface treatment: Pamaglako kalawang, pamaglako, pamagkintab ning marmol
Metallurgy: Precipitating agent para keng rare earth metal extraction
Organic synthesis: Intermediate para kareng fine chemicals, resins, ampo catalysts

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