Results 1 to 10 of about 59,417 (298)

Research Progress in Epoxidation of Light Small-Molecule Olefins [PDF]

Molecules
Light olefins, as important bulk raw materials in the petrochemical industry, play an irreplaceable role in the development of the manufacturing industry and the economy.
Guanghui Zhao, Tianfu Yang, Jincheng Liu, Xianming Xu, Yulong Wang, Yongjun Zhang, Meng Gao, Chao Xiong, Hongbing Ji   +8 more
doaj   +2 more sources

Electrochemical epoxidation enhanced by C2H4 activation and hydroxyl generation at the Ag/SnO2 interface [PDF]

Nature Communications
Direct electrochemical ethylene (C2H4) epoxidation with water (H2O) represents a promising approach for the production of value-added ethylene oxide (EO) in a sustainable way.
Hao Dong, Ran Luo, Gong Zhang, Lulu Li, Chaoxi Wang, Guodong Sun, Hongyi Wang, Jiachang Liu, Tuo Wang, Zhi-Jian Zhao, Peng Zhang, Jinlong Gong   +11 more
doaj   +2 more sources

Enhanced Catalytic Performance of Sn Single-Atom Doped CuO with Oxygen Vacancies for Efficient Epoxidation of α-Olefins [PDF]

Molecules
Epoxidation of long-chain α-olefins (LAOs) is a process of paramount importance, particularly in the preparation of epoxides. Traditional epoxidation methods, such as the chlorohydrin method and peracid method, suffer from issues such as poor selectivity,
Min Zhang, Gaolei Qin, Pengfei Li, Xiangjie Zhang, Hongying Chang, Ziyu Zhou, Wei Zhao, Xumeng Huang, Kui Tang, Yonghe Ning, Chang Song, Peng He   +11 more
doaj   +2 more sources

Synthesis and Kinetic Model of Oleic Acid-based Epoxides by In Situ Peracid Mechanism [PDF]

Kemija u Industriji, 2022
The global consumption of raw materials has shifted from the use of non-renewable materials to renewable materials. Studies on greener epoxidation by using vegetable oils to produce eco-friendly epoxides have also increased.
Intan Suhada Azmi, Muhammad Hazim Abu Bakar, Danial Nuruddin Azlan Raofuddin, Hamzah Hafizuddin Habri, Mohamad Heiry Mohd Azmi, Mohd Jumain Jalil   +5 more
doaj   +1 more source

Br−/BrO−-mediated highly efficient photoelectrochemical epoxidation of alkenes on α-Fe2O3

Nature Communications, 2023
Alkene epoxidation, whose products are important intermediates for the manufacture of pharmaceuticals and epoxy resins, has attracted extensive attention.
Yukun Zhao, Mengyu Duan, Chaoyuan Deng, Jie Yang, Sipeng Yang, Yuchao Zhang, Hua Sheng, Youji Li, Chuncheng Chen, Jincai Zhao   +9 more
doaj   +1 more source

High Yield Dihydroxystearic Acid (DHSA) Based on Kinetic Model from Epoxidized Palm Oil [PDF]

Kemija u Industriji, 2021
In recent years, studies related to the epoxidation of fatty acids have garnered much interest due to the rising demand for eco-friendly epoxides derived from vegetable oils.
Mohd Jumain Jalil, Khairul Azhar Kamal, Aliff Farhan Bin Mohd Yamin, Intan Suhada Azmi, Mohamad Hasni Hassan, Abdul Rani Hidayu, Kamariah Noor Ismail   +6 more
doaj   +1 more source

FORMULASI PEMBUATAN BIOGREASE DENGAN BASE OIL EPOKSI RBDPO

Jurnal Teknologi Industri Pertanian, 2021
Biogrease is a semi-solid lubricant produced using vegetable oil. The biogrease consists of base oil and thickening agent. Base oil modification is done to change properties such as viscosity, adhesive properties to iron, etc.
M Luqmanul Hakim , Erliza Hambali, Dwi Setyaningsih   +2 more
doaj   +1 more source

Epoxidation of Soybean Oil and its Blend with Waste Cooking Oil Using H2SO4 as Homogeneous Catalyst

Chemical Engineering Transactions, 2023
Epoxidation of soybean oil is carried out at different conditions such as the feed ratio of C=C/CH3COOH/H2O2 (1:1:1, 1:1:2, 1:2:1, 1:2:2, 1:2:4), reaction temperature (50 °C, 65 °C) and reaction time (3–7 h). Physicochemical properties of the reagent and
Hong-Phuong Phan, Trung Dang-Bao, Hoa-Hung Lam   +2 more
doaj   +1 more source

Epoxidação do óleo de soja com o sistema catalítico [MoO2(acac)2]/TBHP EM [bmim][PF6]

Química Nova, 2012
Epoxidation of soybean oil was investigated using 1-n-butyl-3-methylimidazolium hexafluorophosphate [bmim][PF6] ionic liquid as biphasic medium with molybdenum(VI) acetylacetonate complex and tert-butyl hydroperoxide TBHP as oxidizing agent.
Maritana Farias, Márcia Martinelli
doaj   +1 more source

The comparative quantum chemical study of the epoxidation reaction mechanism of eugenol and isoeugenol with peracetic and perbenzoic acids

Журнал органічної та фармацевтичної хімії, 2019
Aim. To study the kinetics of the epoxidation reaction for eugenol and isoeugenol with perbenzoic acid, carry out the comparative quantum chemical study of the epoxidation reaction mechanism of eugenol and isoeugenol isomers (2-cis and 2-trans) with ...
O. M. Agafonov, Sergiy I. Okovytyy, Mykola Ye. Blazheyevskiy   +2 more
doaj   +1 more source