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从玉米芯、棉子壳、甘蔗渣等为原料,经水解制得糠醛后的残渣,其主要成份是纤维素和木素.每吨糠醛需用玉米芯(含水率15%以下)11—12吨,年产1000吨的慷醛厂每年有绝干废渣8000吨左右.用糠醛渣生产活性炭不仅促进糠醛生产的发展,而且开辟了新的活性炭原料.
From corncob, cottonseed shell, bagasse and other raw materials, after the hydrolysis of furfural residue, the main ingredient is cellulose and lignin .That need furfural per ton of corn cob (moisture content below 15%) 11-12 Ton, with an annual output of 1000 tons of aldehyde plant dry residue every year about 8,000 tons.Carbonated furfural production of activated carbon not only promote the development of furfural production, but also opened up a new activated carbon raw materials.