Results 21 to 30 of about 6,608,005 (309)

Effects of Textural Properties and Surface Oxygen Content of Activated Carbons on the Desorption Activation Energy of Water

Adsorption Science & Technology, 2006
This work mainly describes investigations of the effects of pore structure and oxygen content of activated carbons on the desorption activation energy, E d , of water.
Xin Li, Zhong Li, Qibin Xia, Hongxia Xi, Zhenxia Zhao   +4 more
doaj   +1 more source

Obtaining N-Enriched Mesoporous Carbon-Based by Means of Gamma Radiation

Nanomaterials, 2022
In this paper, we present the results of the gamma irradiation method to obtain N-doped mesoporous activated carbons. Nitrogen-enriched mesoporous carbons were prepared from three chosen commercial activated carbons such as Carbon Black OMCARB C-140 ...
Piotr Kamedulski, Malgorzata Skorupska, Izabela Koter, Maciej Lewandowski, Víctor Karim Abdelkader-Fernández, Jerzy P. Lukaszewicz   +5 more
doaj   +1 more source

Natural biomass derived hard carbon and activated carbons as electrochemical supercapacitor electrodes

Scientific Reports, 2019
With every moving day, the aspect that is going to be the most important for modern science and technology is the means to supply sufficient energy for all the scientific applications.
Sourav Ghosh, Ravichandran Santhosh, Sofia Jeniffer, Vimala Raghavan, G. Jacob, Katchala Nanaji, P. Kollu, S. Jeong, A. Grace   +8 more
semanticscholar   +1 more source

CHARACTERIZATION AND KINETIC ADSORPTION OF THE DIFFERENT SOURCES ACTIVATED CARBON FOR LIQUID-PHASE ADSORPTION

Jurnal Riset Kimia, 2015
The activated carbon from oil-palm stones of agriculural by-products from palm-oil mills in several tropical countries, a coconut shells and a solid waste exploring coals mining (ex-coal mining) were studied in this paper. The activated and characterized 
Sutrisno -, Yusnaidar -
doaj   +1 more source

Textural and chemical characterization of activated carbon prepared from shell of african palm (Elaeis guineensis) by chemical activation with CaCl2 and MgCl2

Revista Colombiana de Química, 2015
Activated carbons through chemical activation of African palm shells (Elaeis guineensis) with magnesium chloride and calcium chloride solutions at different concentrations were obtained.
Sergio Acevedo, Liliana Giraldo, Juan Carlos Moreno   +2 more
doaj   +1 more source

Mesopore-dominant porous carbon derived from bio-tars as an electrode material for high-performance supercapacitors

Journal of Saudi Chemical Society, 2019
For the first time, toxic bio-tars collected from the gasification of pine sawdust are used as the precursor for activated carbons. Various types of activation agents including KOH, K2CO3, H3PO4 and ZnCl2 were screened for obtaining superior activated ...
Mi-Mi Wei, Wen-Ping Li, Jie Weng, Yun-Quan Liu, Shui-Rong Li, Yue-Yuan Ye, Meng Wang, Duo Wang   +7 more
doaj   +1 more source

Purification of Waste Water Containing Chlorhexidine Digluconate Using Nanoporous Carbons Obtained from Different Raw Materials

Chemistry
Activated carbons were obtained from three types of raw materials from the canning industry: peach, plum, and olive stones. The chemical composition and texture of the precursors and the physicochemical properties of the obtained carbons were analyzed ...
Bilyana Petrova, Ivanka Stoycheva, Boyko Tsyntsarski, Angelina Kosateva, Nartzislav Petrov, Pavlina Dolashka   +5 more
doaj   +1 more source

Rubber Seed Shell Based Activated Carbon by Physical Activation for Phenol Removal

Chemical Engineering Transactions, 2019
This work was aimed at evaluating the characteristics of activated carbons derived from rubber seed shell through physical activation using CO2 for phenol removal.
Koh Zhe Yan, Muhammad Abbas Ahmad Zaini, Agus Arsad, Noor Shawal Nasri   +3 more
doaj   +1 more source

Synthesis and Characterization of Activated Carbons Prepared from Agro-Wastes by Chemical Activation

Journal of Chemistry, 2022
In this present study, activated carbons were prepared from rice husks and potato peels by chemical activation with 40% phosphoric acid (H3PO4).
Joel Brian Njewa, Ephraim Vunain, Timothy Biswick   +2 more
doaj   +1 more source

Chemical Activation of Lignocellulosic Precursors and Residues: What Else to Consider?

Molecules, 2022
This paper provides the basis for understanding the preparation and properties of an old, but advanced material: activated carbon. The activated carbons discussed herein are obtained from “green” precursors: biomass residues.
Juan Alcañiz-Monge, María del Carmen Román-Martínez, María Ángeles Lillo-Ródenas   +2 more
doaj   +1 more source