Results 41 to 50 of about 66,471 (314)

Starch-derived Solid Acid Catalyst for Biodiesel Production: A Mini Review

Chemical Engineering Transactions, 2021
An international agreement to combat the global climate change issue - Paris Climate Agreement which involved participation of 190 parties as of January 2021, showed the world’s concern on the global climate change issue.
Wan Ting Tan, Mazura Jusoh, Zaki Yamani Zakaria   +2 more
doaj   +1 more source

Designing heterogeneous catalysts [PDF]

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2018
This feature issue concerns a collection of six articles all concerned with the topic of designing heterogeneous catalysts. Heterogeneous catalysis is the mainstay of the chemical industry as it is used for producing liquid fuels and chemical intermediates.
Graham J. Hutchings, C. Richard Catlow
openaire   +2 more sources

Transesterification via Direct-Ultrasonic Irradiation of Rubber Seed Oil with Waste Materials Based Heterogeneous Catalyst

Chemical Engineering Transactions, 2015
Present process of transesterification faces various challenges. The most challenging is to obtain high conversion rate when using high free fatty acid (FFA) feedstock.
M.M. Amin, S. Yusup
doaj   +1 more source

Heterogeneous catalysts—discovery and design [PDF]

J. Mater. Chem., 2009
Heterogeneous catalysis plays a key role in the manufacture of essential products in key areas of agriculture and pharmaceuticals, but also in the production of polymers and numerous essential materials. Our understanding of heterogeneous catalysts is advancing rapidly, especially by using the latest characterisation methods on these relatively complex
openaire   +2 more sources

Pd on thermo-responsive composite of silica-coated carbon nanotube and 1-vinyl-3-butylimidazolium-based ionic liquid copolymers as an efficient catalyst for hydrogenation of nitro compounds

Scientific Reports, 2022
In this work, an ionic liquid-containing thermo-responsive heterogeneous catalyst with utility for promoting hydrogenation of nitro-compounds in aqueous media is developed.
Samahe Sadjadi, Neda Abedian-Dehaghani, Majid M. Heravi   +2 more
doaj   +1 more source

Polymer-supported chiral palladium-based complexes as efficient heterogeneous catalysts for asymmetric reductive Heck reaction

Green Synthesis and Catalysis
Heterogeneous asymmetric catalysis is an important strategy for the industrial production of chiral compounds. Herein, we reported a polymer-bound Xu-Phos-derived palladium catalyst that shows good performance in heterogeneous asymmetric reductive Heck ...
Hui Zhang, Bing Xu, Liejin Zhou, Zhan-Ming Zhang, Junliang Zhang   +4 more
doaj   +1 more source

Selectivity of the New Catalyst ZnO-MCM-48-CaO in Esterification of Calophyllum inophyllum Oil

Automotive Experiences, 2022
The synthesis of MCM-48 containing surfactants (CTAB and Triton X-100), ZnO, and CaO aimed to find a potential heterogeneous catalyst in the esterification of Calophyllum inophyllum oil to biodiesel.
La Kolo, Firdaus Firdaus, Paulina Taba, Muhammad Zakir, Nunuk Hariani Soekamto   +4 more
doaj   +1 more source

Poly(Heptazine Imide) Ligand Exchange Enables Remarkable Low Catalyst Loadings in Heterogeneous Metallaphotocatalysis

, 2022
The development of heterogeneous metallaphotocatalysis is of great interest for sustainable organic synthesis. The rational design and controllable preparation of well-defined (site-isolated) metal/photo bifunctional solid catalysts to meet such goals ...
Yilian, Bai, Qian, Yang, Yurong, Tang, Liuzhuang, Xing, Chen, Zhu, Magnus, Rueping, Yunfei, Cai   +6 more
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A sustainable avenue for the synthesis of propargylamines and benzofurans using a Cu-functionalized MIL-101(Cr) as a reusable heterogeneous catalyst

Scientific Reports, 2023
A heterogeneous copper-catalyzed A3 coupling reaction of aldehydes, amines, and alkynes for the synthesis of propargylamines and benzofurans has been developed.
Fillip Kumar Sarkar, Lenida Kyndiah, Sushmita Gajurel, Rajib Sarkar, Samaresh Jana, Amarta Kumar Pal   +5 more
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Potential of SO42-/ ZnO Acid Catalyst for Heterogeneous Transesterification of Vegetable Oil to Biodiesel [PDF]

, 2012
Among the possible renewable energy resources, diesel fuels derived from triglycerides of vegetable oils and animal fats have shown potential as substitutes for petroleum-based diesel fuels.
I. , Istadi, Roikhatus , Solikhah, Didi , D. Anggoro, Luqman , Buchori, Inshani , Utami   +4 more
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