焙烧

Their catalytic activities in the condensation reaction of cyclohexanone with ethanediol were studied.The results showed that the catalytic activity of SO_4~(2-)/ZrO_2-Ce_2O_3 in the condensation reaction ...

实验表明：(1)SO42-/ZrO2-Ce2O3在缩合反应中的催化活性比SO42-/ZrO2和SO42-/ZrO2要强；(2)引入适当数量的Ce2O3使得固体超强酸的酸强度增大；(3)当固体超强酸SO42-/ZrO2-Ce2O3的制备条件为焙烧温度550℃、焙烧时间4h、Ce2O3质量与ZrO2质量比2%时，酸对缩合反应的催化活性最高。

Comparing to the gyroidal baking technology, the newly developed flow state baking technology has the advantages of lower heat cost, less investment, simpler equipments and higher automatic standard. So it is now developing quickly.

新近发展的流态化焙烧技术相比与原有的回转焙烧，具有热耗低、投资少、设备简单、自动化程度高等优点，故得到了大力的发展。

Water and template were removed from intercrystalline pores at lower temperature, which had lower ideal selectivity and lower concentration.

对膜在不同的焙烧温度下，单组份气体N2、H2、n-C4H10、i-C4H10的渗透通量进行了测量，结果表明在焙烧过程中，膜内主要有两种不同的孔产生，低温下晶间孔内的水份和模板剂首先逸出，这些孔对气体的选择性不大，但它们所占比例也不大。

The method comprises the steps that the molybdenum bearing spent catalyst is roasted and comminuted, then the molybdenum bearing spent catalyst is leach and filter by adopting alkaline solution bearing ammonia, ammonium bicarbonate and oxyful, and the secondary roasting and leaching are performed to the solids after filtration, the twice leaching solution is acidified and the aluminum is precipitated out, then is acidified continuously to precipitate out the molybdenum in the form of molybdic acid, the molybdic acid is dissolved by using ammonia water further, the pH value is adjusted again to obtain ammonium molybdate deposition, and the ammonium molybdate product is obtained after dryness.

将含钼废催化剂进行焙烧、粉碎，然后采用含氨、碳酸氢铵和双氧水的碱性溶液浸取并过滤，过滤后的固体物进行二次焙烧和浸取，两次浸取液酸化沉淀出铝，然后继续酸化将钼以钼酸形式沉淀出来，钼酸进一步用氨水溶解，再次调节pH值获得钼酸铵沉淀，干燥后得到钼酸铵产品。

The process of selective reduction roasting-ammonia leaching-solvent extraction-electrowinning 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-溶剂萃取-电积工艺从低品位红土镍矿中综合提取镍、钴、铁，重点介绍了采用煤作还原剂，选择性还原焙烧的试验研究。

The photoactive TiO2 was deposited on the surface of magnetic particles using sol-gel coating technique to prepare a novel nanometer-sized magnetic photocatalyst TiO2/SiO2/Fe3O4,and were characterized by means of XRD and TEM,with analysis of effects of calcining temperature and time,catalyst amount as well as radiant time on papermaking wastewater degradation.

采用溶胶-凝胶法，在磁性颗粒表面包覆TiO2，制备了易于固液分离的磁载光催化剂TiO2/SiO2/Fe3O4，通过XRD和TEM对产物的晶体结构、晶粒大小、形貌进行了表征，讨论了焙烧温度、焙烧时间、催化剂用量和光照时间等对TiO2光催化剂处理造纸废水的影响。

The results indicate that the pillaring process and crystal growing of anatase can be more easily realized by increasing the acid-base ratio of pillaring agents, raising the pillaring temperature and adding proper quantities of alkali. The calcination of Ti-pillared precursor brings the growth of TiO2 grain, at the same time the layer distance is declined. In order to obtain ideal products, the right pillaring conditions are: the acid-base ratio of pillaring agents of 13, pillaring temperature of 65 ℃ and the volume of alkali (2 mol/L) in pillaring liquid of 6 mL.

结果表明：在一定范围内增大柱撑剂酸碱比、提高柱撑温度以及加入适量碱，有利于插层复合反应的进行和锐钛晶型的生长；柱撑前驱物焙烧后TiO2晶粒长大，同时焙烧引起的脱水导致膨润土层间距的下降；为获得较理想的产物，合适的柱化条件为：柱撑剂酸碱比 n n (HNO3)为13、柱撑温度65 ℃和柱撑液加碱量为(2 mol/L NaOH) 6 mL。

The morphology,crystal shape and size of nanopowder was characterized and analyzed by XRD,SEM technologies,the yield of preparation was considered,and the best technic parameters was obtained:titanium tetrachloride∶n-octanol is 1∶4,the temperature of ammonium carbonate satura...

通过XRD、SEM对纳米粉体的形貌、晶型、粒径进行了表征对比，并结合二氧化钛粉体制备的产率，确定了最佳工艺参数：四氯化钛∶正辛醇=1∶4，碳酸铵饱和溶液温度为50℃，真空干燥温度为110℃，焙烧温度350℃，焙烧时间3 h。

CO conversion of 80.27%, 78.41% and 61.14% and selectivity to C(superscript + subscript 5) of 88.54%, 88.57% and 77.95%, respectively, were obtained for Fischer-Tropsch synthesis under n(H2): n=2.0, 483 K, 1.5 MPa and 800h^(-1) over uncalcined catalyst, those calcined at 673 K and 923 K.

在原料气n(H2)：n=2.0、483K、1.5MPa和800h^(-1)条件下，未焙烧、673K和923K焙烧的催化剂上进行F-T合成反应，CO的转化率分别为80.27%、78.41%和61.14%，重质烃的选择性C(上标+下标 5)分别为88.54%、88.57%和77.95%。

Nickel oxide supported silica-pillared zirconium phosphates with high surface area have been prepared successfully by directly loading Ni〓 to uncalcined APS intercalate of α-ZrP followed by calcination.

1采用将金属盐直接负载到未焙烧的α-ZrP的胺丙基硅脂嵌入物上，然后再焙烧的方法，制备了大比表面负载氧化镍的硅柱磷酸锆。

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。