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- silver catalyst bed 银网催化床
- Initial temperature of catalyst bed is wholly too high. 提高起始反应温度使催化剂床层温度整体过高导致飞温。
- A method for the determination of cesium in silver catalyst by FAAS is described. 利用火焰原子吸收光谱法测定银催化剂中的铯。
- The microscopic feature of silver catalyst pro-and-aft reaction was investigated by use of the instruments SEM, XPS and TPR-TPD. 使用SEM、XPS和TPR-TPD等仪器表征了工业银催化剂反应前后的微观形态。
- Silver catalyst is not so often used.It is mainly used for producing epoxy ethane with ethylene,formaldehyde with methanol and producing ethylene glycol. 银作催化剂用的场合不多,主要用于乙烯氧化制环氧乙烷、甲醇氧化制甲醛及乙二醇的生产。
- In a cold model reactor,the effects of simulated feedstock oil and gas flow on the expanding ratio of the catalyst bed were studied. 在冷模反应器内，考察了模拟原料油和气体流动对催化剂床层膨胀率的影响；
- Abstract:The research trend for silver catalyst in production of ethylene oxide on adsorbent performance,surface reaction, active composition, selection of carrier, promoter etc. was reviewed. 介绍乙烯环氧化反应中，银催化剂在吸附性能、表面反应、活性组分、载体选择、助催化剂等方面的研究新动向。
- The diameter of a fixed-bed adiabatic reactor,height of catalyst bed and catalyst loading were calculated by using Runge-Kutta numerical solution method. 采用龙格-库塔数值解法，计算了不同设计方案时，固定床绝热反应器的直径、催化剂床层高度及装量；
- Theresults showed that at residence time 2.4s and the reaction temperature of 393K and403K, the ethyl nitrite was converted completely at the catalyst bed height of 2m and1.5m respectively. 模拟结果表明停留时间为2.;4s;反应温度为393K和403K时;在反应器内床层高度为2m和1
- silver catalyst for ethylene oxide 环氧乙烷银催化剂
- This article discusses the relation among the height of catalyst bed -layer,the dissociated height of transporation(TDH),the operation of cyclone separator and the loss of catalyst in the regenerator. 讨论了再生器中催化剂床层高度,输送分离高度(TDH),旋风分离器操作与催化剂跑损的关系,提供了监控再生操作,降低催化剂跑损的措施。
- Promoting Effects of Cs on Silver Catalyst 铯对银催化剂的助催化作用
- Modified supported silver catalysts used for oxidation with air of 1,2-propylene glycol(PGO) to methylglyoxal(MGX) were prepared and their activities were evaluated. 研制用于1,2-丙二醇空气氧化合成丙酮醛的负载型改性银催化剂。
- When operation shut down, the valency of vanadium in some catalysts rose owing to penetration of air through the catalyst bed. 有些催化剂在停车状况下,空气通过催化剂床层而导致催化剂中钒价态升高,催化剂活性下降。
- Eric J Werninmont,Dick Durant.State of art high performance hydrogen peroxide catalyst beds[R].AIAA 2004-4147. 杨黄河.;过氧化氢分解反应及其催化剂的研究[D]
- There is a problem of pressure drop rising during coker gasoline hydrorefining in the catalyst beds of unit1-B of SINOPEC Guangzhou Company. 广州分公司加氢精制(一)B装置在进行焦化汽油加氢精制过程中存在催化剂床层压降升高过快的问题。
- The ammonia synthesis catalyst is activated by circulating syngas through the catalyst beds under slowly increasing temperature. 这是关于合成氨催化剂升温活化的内容。
- The overall height of catalyst bed as well as the optimal feeding point was obtained for different detritiation efficiency under specific mass transfer coefficient of catalysts. 根据不同的催化剂传质性能,计算了为达到特定脱氚率和电解池浓缩倍数所要求的交换床总高度和进液位置。
- The brook warbled over its rocky bed. 小溪潺潺流过多石的河床。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
