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method of producing a wirbelbettkatalysators for the extraction of maleinsaeureanhydrid
method of producing a wirbelbettkatalysators for the extraction of maleinsaeureanhydrid
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机译:尔贝塔卡塔尔裂解器的制备方法,用于提取马来酸酐
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1285075 Oxidation catalyst MITSUBISHI KASEI KOGYO KK 13 Oct 1969 [15 Oct 1968 27 Nov 1968] 50175/69 Heading B1E [Also in Division C2] A particulate catalyst composition is formed by (i) preparing a mixture containing a vanadium compound; a phosphorus compound and an aqueous silica sol, (ii) spray drying the mixture and (iii) calcining, preferably at 200- 750‹C. The vanadium compound and the phosphorus compound used both are capable of being decomposed into their oxides by calcination. The mixture of compounds of step (i) may be a suspension or a solution, and oxalic acid may be added to bring the vanadium component into solution. The silica sol may be gelled to a small extent. The composition may also contain Ti, K, Cr, W, Mo, Co, B or Ni which are incorporated into the mixture before spray drying. The catalyst composition suitably has atomic ratios of components V:P:Si:Ti (if present) of 1:0.7-4:0.5-120:0.5-120. Suitably, the mean diameter of the particles is from 60-200 microns.
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机译:1285075氧化催化剂MITSUBISHI KASEI KOGYO KK 1969年10月13日[1968年10月15日1968年11月27日] 50175/69标题B1E [也在C2分部中]通过以下方法形成颗粒状催化剂组合物:(i)制备含钒化合物的混合物;磷化合物和含水硅溶胶,(ii)喷雾干燥混合物,(iii)煅烧,最好在200-750°C下进行。所使用的钒化合物和磷化合物都能够通过煅烧分解成它们的氧化物。步骤(i)的化合物的混合物可以是悬浮液或溶液,并且可以加入草酸以使钒组分进入溶液。硅溶胶可以凝胶化到很小的程度。该组合物还可包含Ti,K,Cr,W,Mo,Co,B或Ni,在喷雾干燥之前将其掺入混合物中。催化剂组合物合适地具有组分V∶P∶Si∶Ti(如果存在的话)的原子比为1∶0.7-4∶0.5-120∶0.5-120。合适地,颗粒的平均直径为60-200微米。
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