搜索结果: 1-15 共查到“化学工程 selective”相关记录17条 . 查询时间(0.464 秒)
Highly selective production of renewable p-xylene from bio-based2,5-dimethylfuran and ethylene over Al-modified H-Beta zeolites
p-xylene ethylene Al-modified H-Beta zeolites
2023/6/19
Highly selective synthesis of renewable p-xylene (PX) from bio-based 2,5-dimethylfuran (DMF) and ethylene was successfully realized on H-Beta zeolite catalysts with further Al-modifications. The influ...
Selective separation could help alleviate critical metals shortage（图）
选择性分离 关键金属短缺 加工稀土 材料分离
2023/6/7
New processing methods developed by MIT researchers could help ease looming shortages of the essential metals that power everything from phones to automotive batteries, by making it easier to separate...
Effects of crystallinity of ZSM-5 zeolite on para-selective tert-butylation of ethylbenzene（图）
ZSM-5, Fluoride medium p-selectivity Ethylbenzene Tert-butylation, Zeolite
2013/9/27
Highly crystalline ZSM-5 zeolites are important for para-selective alkylation of alkyl aromatics, because they carry few external acid sites for isomerization of p-dialkyl products. Such zeolites (Si/...
Solvent-Free Selective Cross-Aldol Condensation of Ketones with Aromatic Aldehydes Efficiently Catalyzed by a Reusable Supported Acidic Ionic Liquid（图）
cross-aldol condensation solvent-free condition supported acidic ionic liquid ketone aromatic aldehyde
2013/10/4
A newly prepared catalyst consisting of acidic ionic liquid 1-(4-sulfonic acid)butylpyridinium hydrogen sulfate supported on silica was used to catalyze the cross-aldol condensation of ketones with ar...
Selective Oxidation of Diphenylmethane to Benzophenone over CeAlPO-5 Molecular Sieves（图）
CeAlPO-5 molecular sieve hydrothermal synthesis oxidation diphenylmethane benzophenone
2013/10/7
Selective oxidation of diphenylmethane to benzophenone requires active and selective catalysts. The framework incorporation of cerium in AlPO-5 molecular sieves creates active cerium sites in isolatio...
The Role of Vanadia for the Selective Oxidation of Benzyl Alcohol over Heteropolymolybdate Supported Alumina Catalysts（图）
molybdophosphoric acid vanadia alumina oxidation benzyl alcohol
2013/10/10
A series of 12-molybdophosphoric acid (MPA) supported on V2O5 dispersed γ-Al2O3 catalysts with different vanadia loadings were prepared by impregnation and characterized by N2 adsorption-desorption, X...
Rh/ZnO-Al2O3 Catalysts for Selective Hydrogenation of Crotonaldehyde（图）
rhodium-based catalyst crotonaldehyde hydrogenation zinc oxide selectivity
2013/10/12
Gas phase hydrogenation of crotonaldehyde was performed over 1 wt% Rh/ZnO-Al2O3 catalysts with various Zn/Rh atomic ratios. Monometallic Rh/Al2O3 was also prepared for comparison. The samples were pre...
Heterogeneization of [Cu(2,2'-bpy)Cl2] and [Cu(1,10-phen)Cl2] on Polyoxometalates: New Catalysts for the Selective Oxidation of Tetralin（图）
tetralin partial oxidation Cu(II) complexes 2,2'-bipyridine 1,10-phenantroline hydrogen peroxide polyoxometalate
2013/10/13
Mononuclear Cu(II) bipyridine (1) and phenantroline complexes (2) were synthesized and immobilized by different procedures on H3PW12O40 polyoxometalate (POM). Characterization by XRD and SEM-EDX were ...
PURIFICATION OF WHITE WATERS BY SELECTIVE FLOTATION
PURIFICATION WHITE WATERS SELECTIVE FLOTATION
2010/10/25
Removal of detrimental contaminants from paper machine circulation waters is known to benefit process runnability and paper quality. The applicability of selective flotation to remove substances of a ...
Selective Depolymerization and Effects of Homolysis of Poly(L-lactic acid) in a Blend with Polypropylene
Selective Depolymerization Homolysis Poly(L-lactic acid) Polypropylene
2009/9/2
Blends of poly(L-lactic acid) (PLLA) and polypropylene (PP), which are candidates for the practical use of PLLA, were investigated for selective degradation of PLLA, resulting in quantitative conversi...
Identification of Active Sites and Influence of Real Structure of Gold Catalysts in the Selective Hydrogenation of Acrolein to Allyl Alcohol
Gold Catalysts Selective Hydrogenation
2009/7/29
We have successfully employed oxide supported gold
catalysts in the gas-phase hydrogenation of acrolein, the
,-unsaturated aldehyde being most difficult to
hydrogenate at the carbonyl group. The ...
Selective Removal of Low-Density Lipoproteins from Blood by Induced Precipitation with AAS in Vitro (I)
bioseparation plasmapheresis LDL-purification
2009/3/25
Selective Removal of Low-Density Lipoproteins from Blood by Induced Precipitation with AAS in Vitro (I)。
Selective hydrogenation of cyclopentadiene to cyclopentene over an amorphous NiB/SiO2 catalyst
2007/7/28
期刊信息
篇名
Selective hydrogenation of cyclopentadiene to cyclopentene over an amorphous NiB/SiO2 catalyst
语种
英文
撰写或编译
作者
Wei-Jiang Wang,Jing-Fa Deng
第一作者单位
刊物名称
Applied Catalysis A:General
页面
1997,163,10...
期刊信息
篇名
Highly selective amorphous Ni-Cr-B catalyst in 2-ethylanthraquinone hydrogenation to2-ethylanthrahydroquinone
语种
英文
撰写或编译
作者
Liu B,Qiao MH,Wang JQ,Fan KN
第一作者单位
刊物名称
Chemical Comminucations 11...
期刊信息
篇名
The NO selective reduction on the La1-xSrxMnO3 catalysts
语种
英文
撰写或编译
作者
Xiaodong Wu,Luhua Xu,Duan Weng
第一作者单位
刊物名称
Catalyst Today
页面
2004, 90(3-4): 199-2
出版日期
2004年
月
日
文章标识(ISSN)
相关项目
等离子制备陶瓷...