研究了高温条件下无助剂沉淀铁催化剂在固定床积分反应器中的F-T合成反应。
The Fischer-Tropsch synthesis was studied in an integral fixed-bed reactor with the un promoted precipitated iron catalyst under the high temperature.
采用共沉淀沉积法制备的催化剂对于二甲醚合成的活性明显高于机械混合法制备的催化剂。
The catalyst prepared by precipitation sedimentation method had a higher catalytic activity for DME synthesis than the catalyst prepared by mechanical mixing method.
分别利用浸渍法和共沉淀法在硅衬底上制备高分散态和大部分结晶态的钼酸铋催化剂。
Silica-supported bismuth molybdate catalysts were prepared by impregnation in a highly dispersed state and by coprecipitation in a largely crystallized state.
用该催化剂合成的产品无色透明，室温下无絮状沉淀物。
The products were colourless transparent liquid without any sediment at room temperature.
实验结果证实，它们都可以作为催化剂的载体，沉淀法承载金属催化剂，直接裂解乙炔，催化合成多壁碳纳米管。
Experimental results proved that both of them could support metallic catalyst by precipitation, and directly decompose acetylene to prepare multi walled CNTs.
采用酸-碱交替沉淀法制备了一种新型的低压甲醇合成催化剂。
A new catalyst for methanol synthesis was prepared by alternant precipitation between acid and alkali.
研究了用沉淀法和化学混合法制备的用于食用油脂加氢改性的镍催化剂。
New catalysts suitable for hydrogenation of food oils have been prepared by means of precipitation method and by chemical mixing procedure.
通过沉淀法和相转移法的结合制备纳米催化剂。
Nanocatalysts were prepared by combining the method of precipitation with that of phase transfer.
固载法与共沉淀法制备的低负载量金催化剂活性相近；而共沉淀法制备的高负载量催化剂活性更高。
Compared with the OMCG method, the CP method gives a similar catalytic activity for low loadings of gold and higher activity for higher gold loadings.
用共沉淀法和沉积沉淀法可以制备高度分散的金负载氧化物催化剂。
Gold can be highly dispersed on metal oxides by coprecipitation and deposition-precipitation methods.
采用酸浸法浸出废催化剂中的钼、镍、铋、镁，将浸出液沉钼酸后，对钼酸母液中的镍、铋、镁经过多级沉淀处理后加以综合回收。
Nickel bismuth magnesian is recycled by multiprecipitate after molybdenum is deposited from molybdenum-leaching solution and industrial production is realized.
催化剂的制备方法采用共沉淀和超声波浸渍技术。
The preparation method of the catalyst adopts co-precipitation and ultrasonic impregnation techniques.
反应结束后催化剂以沉淀的形式析出，催化剂的回收率保持在86%左右。
After the reaction finished, the catalyst could be recycled from the system easily as deposit, and the catalyst recovery ratio was around 86%.
此时船长收到实验室有关燃油样品的分析结果，即含有不正常的沉淀物和催化剂污染物。
The master at this time received the laboratory analysis of the bunker samples, which indicated sediment and catalytic contamination were abnormally contaminated.
研究结果表明，用硝酸盐共沉淀法制备的催化剂，其性能和结构均优于用蒸氨法制备的催化剂。
Result showed that: the catalyst prepared by co-precipitating with nitrate showed better catalytic performance and texture than that prepared by ammonia method.
采用共沉淀法和金属有机络合物固载法，分别制备了钴氧化物负载的纳米金催化剂。
Cobalt oxide supported nanometer gold catalysts were prepared by coprecipitation and organo-gold complex grafting method respectively.
本文工作旨在考察氧化镧助剂的含量以及加入方式的不同对沉淀铁催化剂费-托合成反应性能的影响。
The present study is carried out to study the effect of La_2O_3 content and the incorporation manner on the catalytic performances of the precipitated iron catalyst for FTS.
本文工作旨在考察氧化镧助剂的含量以及加入方式的不同对沉淀铁催化剂费-托合成反应性能的影响。
The present study is carried out to study the effect of La_2O_3 content and the incorporation manner on the catalytic performances of the precipitated iron catalyst for FTS.
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