The main factor influencing the yield of maleic anhydride is the phase composition or oxidation state of vanadium in the catalyst, and is not the BET surface area of the catalyst.
实验结果表明，影响顺酐收率的主要因素是催化剂的相组成及钒的氧化态，而不是催化剂的比表面积。
The present invention relates to a heteropoly acid catalyst which is used for the production of methacrylic acid by gas phase oxidation of methacrolein and a preparing method thereof.
本发明涉及一种用于通过异丁烯醛的气相氧化制备甲基丙烯酸的杂多酸催化剂及其制备方法。
Treatment of acidic black dye wastewater by multi-phase catalytic oxidation over copper catalyst was studied.
以酸性黑染料废水为处理对象，对多相催化氧化处理工艺中的铜系催化剂进行研究。
The catalytic oxidation of cinnamic acid with phase transfer catalyst(PTC), quaternary ammonium salt benzyltrimethylammonium chloride is reported.
研究了季铵盐催化下高锰酸钾氧化肉桂酸的反应。
Fluorobenzoic acids were prepared from fluorotoluenes through liquid phase air oxidation with acetic acid as solvent and Co~(2+)-Mn~(2+)-1, 1,2,2-tetrabromoethane as catalyst.
从氟代甲苯出发，以醋酸为溶剂，采用液相空气氧化法，在钴锰盐和1，1，2，2-四溴乙烷催化体系存在下，合成了氟代苯甲酸，采用升华方法进行精制。
The invention refers to a kind of liquid phase selecting oxidation catalyst, the manufacturing method and the application.
本发明涉及一种液相选择氧化催化剂及其制备方法和应用。
The invention refers to a kind of liquid phase selecting oxidation catalyst, the manufacturing method and the application.
本发明涉及一种液相选择氧化催化剂及其制备方法和应用。
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