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中国地质大学科学技术发展院刘邓,王红梅 等. 环境学院 Geochimica et Cosmochimica Acta, 2019, The catalytic role of planktonic aerobic heterotrophic bacteria in protodolomite formation: Results from Lake Jibuhulangtu Nuur, Inner Mongolia, China（图）
白云石之谜；沉积岩
2021/10/20
近日，自然指数期刊Geochimica et Cosmochimica Acta刊发了中国地质大学环境学院王红梅教授和刘邓副教授团队在“白云石之谜”领域取得新进展——The catalytic role of planktonic aerobic heterotrophic bacteria in protodolomite formation: Results from Lake Jibuhul...
Synthesis, Characterization and Performance of Ce0.8La0.2O1.9-ATP Composite Catalyst for Phenol Catalytic Oxidation
Catalytic Activity Ce0.8La0.2O1.9-ATP Co-Precipitation Nano Composite
2011/11/22
Ce0.8La0.2O1.9-attapulgite (Ce0.8La0.2O1.9-ATP) nanocomposite materials were synthesized by co-precipitation method. The microstructure and phase composition of the as-prepared samples were characteri...
Study of Catalytic Hydrolysis of Alkaline NaBH4 Solution by Ru/Ni Foam Catalyst
Catalyst Chemical Hydride Hydrogen Generation Sodium Borohydride
2011/11/22
A Ni metal form was used to carry the Ru catalyst to induce the hydrogen gas from the NaBH4 solution. Results show the Ni material was replaced by Ru material. Ru has been coating twice or more to cov...
Preparation and Catalytic Performance of Ce-Y-Palygorskite Catalysts for NO Decomposition
Catalyst Preparation Catalytic Performance NO Palygorskite
2011/11/14
Ce-Y-palygorskite catalysts were prepared by chemical blending method. The effect of preparation conditions on catalytic performance of Ce-Y-palygorskite catalyst for NO decomposition was investigated...
Effect of Additives on Catalytic Cracking of Biomass Gasification Tar over a Nickel-Based Catalyst
biomass gasification tar supported catalyst palygorskite nickel additive carbon deposition tar removal
2011/11/14
The palygorskite-supported nickel (Ni/PG) catalysts were modified by loading with several additives (Fe, Mg, Mn, and Ce) by
incipient wetness impregnation. The effect of the additives and their conte...
Catalytic thermal reactions of cumene over sepiolite and palygorskite
catalytic thermal reactions sepiolite palygorskite
2011/11/10
The catalytic activity of sepiolite and palygorskite in cracking and disproportionation reactions of cumene was studied. The formation of benzene, diisopropylbenzene and propylene characterizes Br鰊ste...
Physico-Chemical Characterization and Catalytic Properties of Copper-Doped Alumina-Pillared Montmorillonites
Alumina Copper Copper Catalyst Montmorillonite Phenol Hydroxylation Pillared Clay
2011/12/2
Abstract: Cu-doped alumina-pillared montmorillonite samples have been prepared and characterized with X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), electron spin resonance (ESR) and inductive...
Properties and Catalytic Activity of Acid-Modified Montmorillonite and Vermiculite
Acidity Benzene Catalyst Characterization Hydrocarbons Isopropylation Methanol Dehydration Montmorillonite Vermiculite
2011/12/23
Abstract: The acidic properties of acid-modified montmorillonite and vermiculite were determined by pyridine and ammonia adsorption to correlate with the alkylating and dehydrating activity of the act...
Preparation, Structural Characteristics and Catalytic Properties of Large-Pore Rare Earth Element (Ce, La)/Al-Pillared Smectites
Al13 Bentonite Hydroconversion Hydrocracking Laponite Montmorillonite Pillared Clays REE Saponite
2011/12/27
Ce/Al- and La/Al-pillared smectites were prepared by cation exchange of bentonite, saponite and laponite with hydrothermally treated (130–160 °C for 16–136 h) solutions containing mixtures of aluminum...
Synthesis and Catalytic Properties of Silicate-Intercalated Layered Double Hydroxides Formed by Intragallery Hydrolysis of Tetraethylorthosilicate
2-methyl-3-butyn-2-ol conversion Acidic and basic properties Intragallery hydrolysis Layered double hydroxides Silicate intercalation
2011/12/28
Layered double hydroxides (LDH's) interlayered with silicate anions were prepared by reaction of tetraethylorthosilicate (TEOS) with synthetic meixnerite-like precursors of the type [Mg1−xAlx(OH...
Review of the Diffusion of Water and Pyridine in the Interlayer Space of Montmorillonite: Relevance to Kinetics of Catalytic Reactions in Clays
Catalysis Diffusion Interlayer space Kinetics Montmorillonite Pyridine Water
2012/2/1
With the current interest in the use of transition metal-exchanged phyllosilicates as catalysts for novel organic syntheses, investigations into the factors which affect the movement of reactant, prod...
Surface Properties of Sepiolite from Amboseli, Tanzania, and Its Catalytic Activity for Ethanol Decomposition
Adsorption Catalysis Ethanol Pore size Sepiolite Surface area
2012/2/7
The catalytic activity of sepiolite from Amboseli, Tanzania, for the dehydration and dehydrogenation of ethanol at 150°–300°C has been studied using a flow reactor. Both reactions occur, but the catal...
Adsorption and Catalytic Decomposition of 4-Nitrobenzenesulphonylmethylcarbamate by Smectite
Adsorption Asulam Bentonite Decomposition Herbicide Nisulam
2012/2/7
Adsorption and catalytic decomposition of 4-nitrobenzenesulphonylmethylcarbamate (herbicide Nisulam) on Upton, Wyoming, bentonite saturated with different cations was studied using thin-layer chromato...
Catalytic Action of Copper on the Oxidation of Structural Iron in Vermiculitized Biotite
Biotite Catalyst Copper Iron Oxidation Vermiculite
2012/2/7
The ferrous iron content of two vermiculitized biotites decreased by treatment with 0.1 N salts of copper at 70°C from 9.1–14% to 1.8–2.6%. Presumably, interlayer copper ions acted as a catalyst (here...
SURFACE PROPERTIES OF SEPIOLITE FROM AMBOSELI,TANZANIA, AND ITS CATALYTIC ACTIVITY FOR ETHANOL DECOMPOSITION
Adsorption Catalysis Ethanol Pore size Sepiolite Surface area
2011/11/16
The catalytic activity of sepiolite from Amboseli, Tanzania, for the dehydration and dehydrogenation of ethanol at 150~176 has been studied using a flow reactor. Both reactions occur, but the catalyst...