Results 21 to 30 of about 76,034 (306)

Environmentally Friendly, Co-catalyst-Free Chemical Fixation of CO2 at Mild Conditions Using Dual-Walled Nitrogen-Rich Three-Dimensional Porous Metal–Organic Frameworks [PDF]

open access: yes, 2019
Highly porous, polyhedral metal–organic frameworks (MOFs) of Co­(II)/Ni­(II), {[M6(TATAB)4(DABCO)3(H2O)3]·12DMF·9H2O}n (where M = Co­(II) (1)/Ni­(II) (2), H3TATAB = 4,4′,4″-s-triazine-1,3,5-triyl-tri-p-aminobenzoic acid, and DABCO = 1,4-diazabicyclo[2.2 ...
C. M. Nagaraja   +7 more
core   +1 more source

Co/Ba/La2O3 catalyst for ammonia synthesis under mild reaction conditions [PDF]

open access: yes, 2021
Ruthenium catalysts may allow realization of renewable energy–based ammonia synthesis processes using mild reaction conditions (
Katsutoshi, Nagaoka   +9 more
core   +1 more source

Alkaline Earth Metal Oxide Supported on Zeolite as a Heterogenous Basic Catalyst for Clean Fuel (Biodiesel) Production: A Mini Review [PDF]

open access: yesE3S Web of Conferences
The depletion of fossil fuel reserves, worsening greenhouse gas effects, and global warming issues have driven the development of renewable energy sources, such as biodiesel.
Ulfa Nurcahyani Maria, Sumari Sumari
doaj   +1 more source

Potential of LiNO3/Al2O3 Catalyst for Heterogeneous Transesterification of Palm Oil to Biodiesel [PDF]

open access: yes, 2010
Production of biodiesel through transesterification process using heterogenous catalysts in order to avoid the saponification problem was studied. In this process, palm oil reacted with methanol to form a mixture of glycerol and biodiese over a solid ...
S. Priyanto   +5 more
core   +2 more sources

Enhanced catalytic activity for CO esterification to dimethyl oxalate via increasing Lewis basic sites in Pd/MgAl-LDO catalyst

open access: yesCatalysis Communications, 2023
CO esterification to dimethyl oxalate (DMO) has important industrial application value. However, the influence of support on catalytic performance has not been investigated sufficiently.
Zhi-Jian Yang   +7 more
doaj   +1 more source

Promoter Effect upon Activated Carbon-Supported Ni-Based Catalysts in Dry Methane Reforming

open access: yesEurasian Chemico-Technological Journal, 2012
The influence of selected promoters such as Ca, Mg, Cu and Zn upon activated carbon-supported Ni-based catalysts in the dry methane reforming under mild experimental conditions (650 0C, 1 atm) was verified.
J. Matos, M. Rosales
doaj   +1 more source

Oxone® induced textile dyes degradation using cobalt-doped alumina catalyst [PDF]

open access: yesScience of Sintering
Cobalt-doped alumina catalyst calcined at 500 ºC (CoA-500) was investigated in the degradation of anionic textile dye Orange G in the presence of Oxone®. Different reaction parameters were altered in order to study their influence on Orange G degradation.
Marinović Sanja   +6 more
doaj   +1 more source

La2O3/CaO catalyst derived from eggshells: Effects of preparation method and La content on textural properties and catalytic activity for transesterification

open access: yesCatalysis Communications, 2021
This research aims to develop the La2O3/CaO catalyst derived from eggshells by physical mixing and impregnation methods at various La contents. The synthesized catalyst was characterized using several techniques.
Kanokwan Ngaosuwan   +5 more
doaj   +1 more source

Metal-Catecholate Frameworks as Solid Basic Catalysts [PDF]

open access: yesTopics in Catalysis, 2016
Metal catecholate frameworks, based on 2,3,6,7,10,11-hexahydroxytriphenylene and bivalent metal ions (Ni2+, Cu2+, Zn2+, Mg2+, Ca2+, Sr2+ and Ba2+) were synthesized, characterized with powder X-ray diffraction and N2 physisorption, and evaluated as catalysts in Knoevenagel condensation and Michael addition reactions.
Valvekens, Pieterjan   +3 more
openaire   +1 more source

Applications and Preparation Methods of Copper Chromite Catalysts: A Review [PDF]

open access: yes, 2011
In this review article various applications and preparation methods of copper chromite catalysts have been discussed. While discussing it is concluded that copper chromite is a versatile catalyst which not only catalyses numerous processes of ...
Prasad, R.   +3 more
core   +1 more source

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