Results 1 to 10 of about 831,803 (116)

Progressive Conversion Model Applied to the Physical Activation of Activated Carbon from Palm Kernel Shells at the Pilot Scale in a Nichols Furnace and at the Industrial Scale in a Rotary Kiln [PDF]

Molecules
Palm kernel shells, an abundant agro-industrial residue in countries like Ecuador, can be valorized through their conversion into activated carbon for industrial applications.
Ernesto de la Torre, Alex S. Redrovan, Carlos F. Aragón-Tobar   +2 more
doaj   +2 more sources

A New Approach for Controlling Mesoporosity in Activated Carbon by the Consecutive Process of Air Oxidation, Thermal Destruction of Surface Functional Groups, and Carbon Activation (the OTA Method)

Molecules, 2021
A new and simple method, based entirely on a physical approach, was proposed to produce activated carbon from longan fruit seed with controlled mesoporosity.
Panuwat Lawtae, Chaiyot Tangsathitkulchai   +1 more
doaj   +1 more source

The Analysis of Pore Development and Formation of Surface Functional Groups in Bamboo-Based Activated Carbon during CO₂ Activation

Molecules, 2021
Pore development and the formation of oxygen functional groups were studied for activated carbon prepared from bamboo (Bambusa bambos) using a two-step activation with CO2, as functions of carbonization temperature and activation conditions (time and ...
Krittamet Phothong, Chaiyot Tangsathitkulchai, Panuwat Lawtae   +2 more
doaj   +1 more source

Adsorption of Methyl Red and Methylene Blue on Carbon Bioadsorbents Obtained from Biogas Plant Waste Materials

Molecules, 2023
In this study, biocarbon was obtained from the waste material corn digest. Carbon adsorbents were obtained by physical activation of the precursor with CO2.
Robert Wolski, Aleksandra Bazan-Wozniak, Robert Pietrzak   +2 more
doaj   +1 more source

Assessment of the Porous Structure and Surface Chemistry of Activated Biocarbons Used for Methylene Blue Adsorption

Molecules, 2023
In the presented research, activated carbons from wheat bran were obtained as a result of pyrolysis and physical activation (CO2 or/and steam). In addition, the obtained materials were subjected to additional modification with superheated steam using the
Barbara Charmas, Magdalena Zięzio, Katarzyna Jedynak   +2 more
doaj   +1 more source

Valorization of Waste Tires by Pyrolysis and Activation Processes

Applied Sciences, 2021
The problems related to the increase in the generation of discarded tires demonstrate the need for profitable, efficient, cost-effective, and sustainable processes for their waste management. In particular, the valorization of pyrolytic solids for energy
Reyna Berenice González-González, Nadia Ruiz-Gómez, Gloria Gea, Matias Vazquez-Pinon, Sergio O. Martinez-Chapa, Porfirio Caballero, Alberto Mendoza   +6 more
doaj   +1 more source

A Novel Mesoporous Activated Carbon Derived from Calliandra calothyrsus via Physical Activation: Saturation and Superheated

Energies, 2022
In this work, both pyrochar and activated carbon were prepared by physical activation (i.e., saturation and superheated) by involving a thermal agent as a comparison.
Nur Adi Saputra, Saptadi Darmawan, Lisna Efiyanti, Djeni Hendra, Santiyo Wibowo, Adi Santoso, Djarwanto, Gusmailina, Sri Komarayati, Dian Anggraini Indrawan, Yuniawati, Deded Sarip Nawawi, Akhiruddin Maddu, Gustan Pari, Wasrin Syafii   +14 more
doaj   +1 more source

Highly Porous Carbon Aerogels for High-Performance Supercapacitor Electrodes

Nanomaterials, 2023
In recent years, porous carbon materials with high specific surface area and porosity have been developed to meet the commercial demands of supercapacitor applications.
Jong-Hoon Lee, Seul-Yi Lee, Soo-Jin Park
doaj   +1 more source

Adsorption Sulfate from Wastewater by Using New Material [PDF]

E3S Web of Conferences, 2023
Using physical activation, a new composite adsorbent was prepared by modifying low-cost local adsorbent. This low-cost local adsorbent was also prepared from activating sludge, bentonite, and limestone (SBL).
Obeid Ashraf F., Nile Basim K., Al Juboury Maad F.   +2 more
doaj   +1 more source

Structural and Electrochemical Properties of Physically and Chemically Activated Carbon Nanoparticles for Supercapacitors

Nanomaterials, 2021
The demand for supercapacitors has been high during the integration of renewable energy devices into the electrical grid. Although activated carbon materials have been widely utilized as supercapacitor electrodes, the need for economic and sustainable ...
Nuha A. Alhebshi, Numan Salah, Humair Hussain, Yousef N. Salah, Jian Yin   +4 more
doaj   +1 more source