1) modified deposition-precipitation
改性沉积-沉淀法
1.
The Au/Fe2O3 catalyst was prepared by co-precipitation,deposition-precipitation,and modified deposition-precipitation methods and was characterized by X-ray diffraction,X-ray photoelectron spectroscopy,and transmission electron microscopy.
采用共沉淀法、沉积-沉淀法和改性沉积-沉淀法制备了Au/Fe2O3催化剂,运用N2吸附、X射线衍射、X射线光电子能谱和透射电镜等技术对其进行了表征,考察了制备方法对Au/Fe2O3催化剂水煤气变换反应催化活性的影响。
2) deposition-precipitation
沉积-沉淀法
1.
5% Au/Fe2O3 was prepared by co-precipitation,deposition-precipitation and impregnation separately.
采用共沉淀法、沉积-沉淀法和浸渍法制备了1。
2.
ZrO2 support and Au/ZrO2 catalyst were prepared by aqueous solution precipitation and deposition-precipitation method, respectively.
采用水溶液沉淀和沉积-沉淀法分别制备了ZrO2载体及相应的Au/ZrO2催化剂,通过CO氧化反应考察了载体的制备条件、催化剂的焙烧温度和预处理温度对催化剂活性的影响;通过X射线衍射、氢程序升温还原(H2-TPR)、X射线光电子能谱(XPS)表征,分析了影响催化剂活性的原因。
3.
Some oxides(Al2O3,SiO2,TiO2,MgO)and H-ZSM-5 zeolite were used as supports to prepare Au catalysts by deposition-precipitation(DP)with urea as a precipitator.
选择不同氧化物(Al2O3,SiO2,TiO2,MgO)和H-ZSM-5分子筛作为载体,以尿素为沉淀剂,采用沉积-沉淀法制备了一系列负载型金催化剂。
3) deposition-precipitation
沉积沉淀法
1.
Pd catalysts derived from MgAl hydrotalcite precursors were prepared by three different methods: deposition-precipitation(DP),impregnation(IM),and co-precipitation(CP),which were characterized by ICP,XRD,SEM,TEM,EDS,TPR and surface area measurement.
以沉积沉淀法(DP)、浸渍法(IM)和共沉淀法(CP)制备MgAl水滑石衍生氧化物负载钯催化剂,用ICP、XRD、SEM、TEM、EDS、TPR以及比表面测定等手段对催化剂进行了表征。
2.
5O 2 (CZ) catalysts were prepared by deposition-precipitation (DP), mixing (MIX) and conventional impregnation (IMP) methods, and the effects of the preparation methods on the three-way catalytic behaviors were investigated.
结果表明沉积沉淀法制备的Pd/Ce0 5Zr0 5O2 催化剂 (Pd DP)表现出最强的Pd 载体作用及最优活性 ,原位红外实验发现Pd DP上存在与传统的浸渍法制备的Pd IMP催化剂不同的NO催化还原途径 ,推测Pd 载体间相互作用引起NO还原机理差异 ,进而导致活性差
4) deposition-precipitation method
沉积沉淀法
1.
The Au/TiO_2 photocatalyst was prepared by the deposition-precipitation method and characterized by transmission electron microscopy, diffuse reflectance spectroscopy, and X-ray photoelectron spectroscopy.
采用沉积沉淀法制备了Au/TiO2催化剂,用透射电子显微镜、紫外可见漫反射光谱和X射线光电子能谱进行了表征,结果表明,样品在空气中于200℃处理后,金以金属态Au0的形式沉积在TiO2表面。
2.
Using ZnCl2,Al2O3 and Na2CO3 as raw materials,ZnO/Al2O3 composite oxide was prepared by deposition-precipitation method.
以ZnCl2、Al2O3和Na2CO3为主要原料,采用沉积沉淀法制得纳米ZnO/Al2O3光催化剂。
3.
CuO/ZnO catalysts with different CuO content were prepared by deposition-precipitation method for water-gas shift reaction,using Cu(OH)2 as the precursor of CuO.
首次采用沉积沉淀法,以Cu(OH)2为前驱体制备不同CuO负载质量分数的CuO/ZnO水煤气变换(WGS)催化剂,并运用XRD、N2物理吸附和TPR等方法对催化剂进行结构表征。
5) modified precipitation method
改性的沉淀法
1.
Nano-sized Y_2O_3 powder preparaed by modified precipitation method;
改性的沉淀法制备三氧化二钇粉体
6) co-deposition-precipitation
共沉积沉淀法
1.
The preparation procedures and conditions,including co-deposition-precipitation (CP), sequential deposition-precipitation (SP), and deposition-precipitation temperature, had great impacts on the catalytic activity.
考察了制备条件(共沉积沉淀法、分步沉积沉淀法以及沉积沉淀温度)对催化活性的影响。
补充资料：电解沉积法生产镉
电解沉积法生产镉
production of cadmium by electrowinning
d一anJ一e ehenjifo shengehon ge电解沉积法生产镐(produetion of cadmiumby eleetrowinning)从含福原料制得的纯净福电解液，经电解沉积生产金属镐的过程，为福生产方法之一。主要用于处理铜福渣，工艺流程如图。主要包括铜福渣硫酸浸出、锌粉置换沉淀海绵福、海绵福溶解造液、福电解沉积和福熔铸等过程。 铜锡渣硫酸浸出铜锡渣为湿法炼锌厂的副产物，含福2.5%一12%;此外，还含锌35%一60%、铜4%一17%、铁0.05%~2.0%和少量砷、锑、5102、钻、镍、佗、锢等杂质。在浸出前将其堆放在空气中氧化，可加速浸出过程，但同时也增加了铜的溶解损失，只宜用于处理含铜较低的铜锡渣。 铜锡渣的浸出使用硫酸或福电解及锌电解的废液，在机械或空气一机械搅拌槽(见浸出糟)中进行。将硫酸缓慢加入盛有铜福渣的浸出槽中，在保持含游离酸10一159/L的最高浸出酸度和353一363K温度下，浸出6一sh。当酸度降至5一49/L时加入软锰矿，在_二敏化锰铜锅渣硫酸公 福锭 电积法从铜锡渣生产锡工艺流程pHd.8一尔。时加氧化锌粉中和至pHS.2一5.4以除去浸出液中的铜，停止搅拌。浸出的主要反应为: Cd十ZH+一一(:dZ干一衬HZ Cd()斗一ZH十一一二二CdZ书十HZO Zn十ZH长一~之ZnZ千十H: Cu(〕升一ZH辛=一州二uZ十十H:O Cu洲十Cd一一气!dZ未一粉Cu除锌锅外，镍、钻、锢、铭等杂质也进入溶液。 锌粉置换沉派海绵锅净化除杂质后过滤所得的滤液，又重新加硫酸酸化至pH3一4，然后缓慢加入锌粉置换沉淀福，至溶液含锡小于10009/L时进行压滤所得海绵福含福60%~80%。 海绵锅溶解造液将海绵福和浓硫酸加入机械搅拌槽中进行溶解造液，在维持358一363K温度下溶解2一3h待溶液酸度降至。，5一19/I，，便加KMnO。氧化除铁。接着用石灰乳中和溶液至pHS.4使部分杂质水解而除去。然后再加入海绵镐使溶液pH降至3·8一4.。，置换除铜后便可送去过滤。所得滤液即为纯净的铜电解液，其主要成分(质量浓度尸/g·l‘)为: (二d Zn Fc(二。;八s斗S十， 200一250 20~30长0.05<口.‘)0‘)5<().(jol 锅电解沉积与锌电解沉积过程相似以铝板作阴极，用纯铅或铅银合金(含银
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条