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1)  methyltrioctylammoniumtetrakis(diperoxotungstate)phosphate
磷钨杂多酸铵盐催化剂
2)  P-W-Mo-heteropolyacid catalyst
磷钨钼杂多酸催化剂
3)  quaternary ammonium heteropolyphosphatotungstate
磷钨杂多酸季铵盐
1.
A liquid-liquid catalytic oxidation system containing quaternary ammonium heteropolyphosphatotungstate and hydrogen peroxide was employed to reduce the olefin content in an FCC gasoline.
将磷钨杂多酸季铵盐相转移催化剂/双氧水(Q3[PO4(WO3)4]/H2O2)体系应用于FCC汽油的液-液高效催化氧化降烯烃。
2.
In the presence of H2O2,the epoxidation of α,β-unsaturated ketones catalyzed by quaternary ammonium heteropolyphosphatotungstate was studied.
以过氧化氢为氧源,磷钨杂多酸季铵盐为催化剂,研究了α,β-不饱和酮的环氧化反应,考察了溶剂、温度、催化剂用量、反应时间以及底物浓度等因素对环氧化反应的影响。
4)  quaternary ammonium peroxotungsto phosphate
过氧化磷钨杂多酸季铵盐
1.
By reactions of three kinds of quaternary ammonium salts such as Bu4NCl,(C8H17)3CH3NCl and π-C5H5NC16H33Br with H2WO4 or Na2WO4,a series of quaternary ammonium peroxotungsto phosphate catalysts Q+3{PO4[W(O)O4]3[W(O)O4]}3-(Q+:quaternary ammonium cationR4N+) were prepared and their catalytic activities for expoxidant of styrene were studied with 1,2-dichloroethane as solvent and H2O2 as oxidation.
分别采用不同的季铵盐四丁基氯化铵(Bu4NCl)、三辛基甲基氯化铵(C8H17)3CH3NCl和溴化十六烷基吡啶(π-C5H5NC16H33Br)与钨酸或钨酸钠、磷钨酸反应制得过氧化磷钨杂多酸季铵盐Q3+{PO4[W(O)O4]3[W(O)O4]}3-(Q+:季铵盐正离子R4N+),以其为催化剂、二氯乙烷为溶剂、H2O2为氧化剂氧化苯乙烯,结果发现过氧化磷钨三辛基甲基铵有很好的催化活性,在反应温度55℃、pH=3。
5)  ammonium molybdotungstophosphate
磷钼钨杂多酸铵
1.
Synthesized and characterization of ammonium molybdotungstophosphate and flame retardancy,smoke suppression of its composites;
磷钼钨杂多酸铵的合成、表征及其阻燃、抑烟性能研究
6)  Heteropolyacid salts
杂多酸盐催化剂
补充资料:钼酸镍催化剂
分子式:
CAS号:

性质:又称镍钼催化剂。一种用于原油油脱氮脱硫,汽油、柴油等加氢精制的催化剂。淡蓝绿色。呈片状、条状或2~3nm的小球状。堆积密度0.7~0.8 g/cm3。氧化铝为载体。含氧化镍(NiO)2.4%~4.9%,三氧化钼11.8%~14.3%,催化剂中三氧化钼活性组分增高,有利于提高脱氮性能。使用前,要进行预硫化,使钼、镍的氧化物转化成相应的硫休物,以提高活性。

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