Results 1 to 10 of about 110,183 (309)

Catalysts for selective hydrogenation of acetylene: A review

Materials Today Catalysis, 2023
Ethylene is a crucial industrial feedstock in the petrochemical sector. However, the presence of a small amount of acetylene impurities in ethylene products will directly affect the next application of ethylene.
Kefeng Xie, Kai Xu, Mingqiang Liu, Xiaohong Song, Shengyuan Xu, Huayan Si   +5 more
doaj   +1 more source

Dynamic optimization of acetylene hydrogenation reactors with considering catalyst deactivation [PDF]

مجله مدل سازی در مهندسی, 2022
Ethylene is a very important material in petrochemical industries, whose chief application is producing polymers. The steam cracking of naphtha or ethane is usually applied to produce ethylene. A small amount of acetylene is produced in this process. The
Taha Ghiyami, Farhad Shahraki, Jafar Sadeghi, Mehdi Bayat   +3 more
doaj   +1 more source

Highly Sensitive MEMS Sensor Using Bimetallic Pd–Ag Nanoparticles as Catalyst for Acetylene Detection

Sensors, 2022
Acetylene detection plays an important role in fault diagnosis of power transformers. However, the available dissolved gas analysis (DGA) techniques have always relied on bulky instruments and are time-consuming.
Yuan Tian, Hui Qiao, Tao Yao, Shuguo Gao, Lujian Dai, Jun Zhao, Ying Chen, Pengcheng Xu   +7 more
doaj   +1 more source

Selective semihydrogenation of acetylene in ethylene using defect-rich boron nitride catalyst from flux reconstruction. [PDF]

Nat Commun
Wang T, Siniard KM, Li M, Polo-Garzon F, Liu J, Zhuo Z, Guo J, Ivanov AS, Kobayashi T, Tan K, Amagbor S, Maruf AA, Kelber J, Yang S, Song H, Jiang DE, Duscher G, Yang Z, Dai S.   +18 more
europepmc   +3 more sources

Influence of acetylene on methane–air explosion characteristics in a confined chamber

Scientific Reports, 2021
To study the impact of acetylene on methane explosions, the safe operation of coal mines should be ensured. In this paper, a 20 L spherical tank was used to study the explosive characteristics of acetylene–methane–air mixture.
Jinzhang Jia, Jinchao Zhu, Wenxing Niu, Jing Zhang   +3 more
doaj   +1 more source

Polyurethane Treated in Ar/C₂H₂/Ar Plasma: Towards Deformable Coating with Improved Albumin Adsorption

Applied Sciences, 2021
Plasma modification of soft polymeric surfaces has many prospects in creating biomedical devices. The deformability of the obtained coatings should be studied, as the usage of such materials implies mechanical loads.
Ilya A. Morozov, Alexander S. Kamenetskikh, Anton Y. Beliaev, Roman I. Izumov, Marina G. Scherban, Larisa M. Lemkina, Dmitriy M. Kiselkov   +6 more
doaj   +1 more source

A Tunable Optoelectronic Oscillator with Phase-to-Amplitude Modulation Transformation via an Acetylene Reference Cell

Photonics, 2023
Operation modes of the optoelectronic oscillator (OEO), based on a phase electrooptic modulator with an acetylene reference cell as a photonic filter, have been investigated.
Vladimir Lebedev, Piotr Agruzov, Igor’ Iliyechev, Andrei Varlamov, Ivan Tatsenko, Andrey Nikitin, Alexey B. Ustinov, Serguei Stepanov, Alexander Shamray   +8 more
doaj   +1 more source

Catalytic synthesis of acetone by direct hydration of acetylene [PDF]

E3S Web of Conferences, 2023
Background: Replacing the cadmium–calcium phosphate catalyst with a zinc-containing catalyst makes it possible to obtain acetone in good yield with minor changes in technology.
Karjavov Abdikhakim, Fayzullaev Normurot
doaj   +1 more source

The Abiotic Formation of Pyrrole under Volcanic, Hydrothermal Conditions—An Initial Step towards Life’s First Breath?

Life, 2021
Porphyrins, corrins, and tetrapyrroles constitute macrocycles in essential biomolecules such as heme, chlorophyll, cobalamin, and cofactor F430.
Christian Seitz, Wolfgang Eisenreich, Claudia Huber   +2 more
doaj   +1 more source

Liquid-Phase Non-Thermal Plasma Discharge for Fuel Oil Processing

Energies, 2022
The non-thermal plasma pyrolysis of fuel oil, under the action of low-voltage electric discharges in the liquid phase, has made it possible to develop a new process to obtain valuable petrochemical products.
Evgeniy Yurevich Titov, Ivan Vasilevich Bodrikov, Anton Igorevich Serov, Yuriy Alekseevich Kurskii, Dmitry Yurievich Titov, Evgenia Ruslanovna Bodrikova   +5 more
doaj   +1 more source