焙烧

The effective recovery new technologies,such as optimum roasting conditions and molybdic acid preparation,etc.

对焙烧最佳条件、钼酸及七钼酸铵制备等问题进行了详实阐述，新工艺具有显著的技术经济效果。

In order to recover Mo and Cu,the acidic from the production process of molybdic ammonium was disposed by DK macropous cation exchange resin,AH compex resin and general cation exchange resin,respectively.Other heavy metals in wastewater were deposited by adding ammonia liquor in the proess.

钼酸铵[分子式为(NH4)2Mo4O13·2H2O或(NH4)6Mo7O24·4H2O]是石油化学工业和高分子合成工业催化剂、陶瓷彩釉和颜料、特殊分析试剂和药物以及生产金属钼丝、片等的重要原料[1]，工业上通常采用将精钼砂焙烧、硝酸浸洗、氨水浸出、净化和加酸沉淀等一系列工艺流程。

Effects of sonic factors, including dosage of catalyst, calcination temperature of catalyst, nitrated reaction time and recovered catalyst, on the selectivity of toluene in mononitration at the presence of silicotungstic acid catalyst were studied by gas chromatography.

通过气相色谱研究了诸如催化剂用量、催化剂焙烧温度、硝化反应时间、硝化反应温度及催化剂的重复使用等因素对甲苯硝酸硝化区域选择性的影响。

The catalytic performance of mordenite exchanged by calcium ion is superior to the domestic commercial product. This CaHM was prepared by being roasted with adhesive, and can be directly used in pilot plant.

自制的这种钙离子改性丝光沸石催化剂的催化性能优于目前国内工业化的甲胺生产催化剂，而且CaHM是经添加粘接剂焙烧成型的样品，可直接供产品的中试放大。

The rules and relationships betweenspectroscopic characters of〓ions inzeolites ZSM-5,Beta,Mordenite and L,and calciningconditions were obtained.

得到了含稀土离子的ZSM-5、Beta、丝光沸石和L型沸石中〓〓等离子的光谱变化规律及与焙烧处理条件的变化关系。

This result laid a foundation of theory and experiment for the development of mordenite sorbent to separate ethene.NaY was firstly modified using two ion-exchange and two calcinations method which was heated by microwave.

首次采用微波加热二次离子交换二次焙烧的方法改性NaY分子筛，制得CeY、CeY、CuY、AgY、KY、MgY和SrY，并用于吸附噻吩和苯，其中CeY分子筛对噻吩具有最好的吸附容量和选择性。

The process of selective reduction roasting- ammonia leaching is adopted to extract nickel,cobalt and recover iron from low grade nickeliferous laterite ore.

本研究采用选择性还原焙烧—氨浸工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了该工艺氨浸的试验研究。

Selective reduction roasting ; ammonia leaching ; nickeliferous laterite ore ; nickeliferous iron ore ; nickel and cobalt extraction

选择性还原焙烧；氨浸；低品位红土镍矿；镍铁矿；镍钴提取

A series of niobic acids at different calcination temperatures was prepared.

在不同焙烧温度下制备了一系列固体铌酸催化剂。

The nitration of toluene was carried out in the presence of acetic anhydride with CCl4 as solvent, 95% nitric acid as nitrating reagent, and niobic acid calcinated at 300℃ for 3 h as catalyst for 60 min at 40℃.

实验结果表明，当反应温度为40℃，反应时间为60min时，以CCl4为溶剂，以质量分数为95%的硝酸为硝化剂，在醋酐存在条件下，以经300℃焙烧3h后的铌酸作为催化剂，甲苯硝化产物中异构体的邻对比达1.26，较硝硫混酸的1.67显著降低，产物得率达99.3%。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。