Results 81 to 90 of about 4,442 (238)

Research progress and prospects of coal petrology and coal quality in China

International Journal of Coal Science & Technology, 2020
Clean utilization of coal depends on the quality of raw coal, which depends on the coal-forming parent materials (petrology and chemical composition of coal), the multiple media of the coal-forming environment, and some epigenetic conditions, such as ...
Yuegang Tang, Ruiqing Li, Shaoqing Wang
doaj   +1 more source

Engineering Polymeric Membranes for CO₂ Separation: Materials, Fabrication, Challenges, and Future Perspectives

Carbon Neutralization, Volume 5, Issue 4, July 2026.
Overview of polymeric and mixed‐matrix membranes for CO₂ separation, highlighting key materials, fabrication techniques, performance challenges, and innovations supporting industrial decarbonization and sustainable development. ABSTRACT Carbon dioxide (CO₂) emissions from anthropogenic sources are major contributors to global warming and climate change,
Muhammad Mansha, Noreen Abass, Faizah Altaf, Shehzada Muhammad Sajid Jillani, Safyan Akram Khan, Shahid Ali   +5 more
wiley   +1 more source

Thermal Coals Revalue: Environmental Implications

Proceedings, 2018
Being thermal coal such an abundant resource in Spain, we are looking for alternative uses for it. This would enable its future use in different fields, same of them already classic, such as: new materials (graphene, activated carbon, molecular sieves ...
Juan José Vidal-Lombas, Martina Inmaculada Álvarez-Fernández, María Concepción Casado-Sulé   +2 more
doaj   +1 more source

Hydrogen to Power: Exploring Current Developments and Future Challenges

Natural Sciences, Volume 6, Issue 3, July 2026.
As the interest in low‐carbon energy systems grows, hydrogen continues to attract attention as a flexible energy carrier for power applications. Developments in hydrogen production, storage, transport, and utilization are explored. In addition, the deployment challenges of hydrogen energy vector related to economics, infrastructure, safety, and ...
Md. Shafiullah, Muhammad Ahmad, Youssef Awda, M. Maaruf, Muaiz O. Ali, Khalid A. AlShumayri, Syed M. Rahman   +6 more
wiley   +1 more source

Steam pretreatment for coal liquefaction [PDF]

, 1990
Steam pretreatment is the reaction of coal with steam at temperatures well below those usually used for solubilization. The objective of the proposed work is to test the application of steam pretreatment to coal liquefaction.
Graff, R.A., Balogh-Nair, V.
core   +1 more source

From Citrus to Cymene: Understanding the Hydrothermal Conversion of Limonene

ChemSusChem, Volume 19, Issue 11, 15 June 2026.
When life gives you limonene… Hydrothermal conversion and pyrolysis of limonene give two distinct sets of products, arising from differing reaction cascades. While p‐cymene dominates in the presence of water, indicative of an isomerisation/aromatisation pathway, pyrolysis favours cracking and loss of carbon affording an m‐xylene rich aromatic mix.
Jack Steel, Alexander K. L. Yuen, Alejandro Montoya, Christopher Barnett, Anthony F. Masters, Thomas Maschmeyer   +5 more
wiley   +1 more source

Exploratory Research on Novel Coal Liquefaction Concept - Task 2: Evaluation of Process Steps. [PDF]

, 1997
A novel direct coal liquefaction technology is being investigated in a program being conducted by CONSOL Inc. with the University of Kentucky, Center for Applied Energy Research and LDP Associates under DOE Contract DE-AC22-95PC95050.
Brandes, S. D., Winschel, R. A.
core   +1 more source

3D Printing Innovations in Polymeric Porous and Patterned Architecture

Advanced Functional Materials, Volume 36, Issue 50, 22 June 2026.
Polymeric foams occupy a unique structural space between dense solids and open networks, where engineered void fraction governs mechanical compliance, thermal resistance, and mass transport. Additive manufacturing now enables precise spatial control over cellular architecture, unlocking designer foam structures across applications spanning crash ...
Dhanush Patil, Sri Vaishnavi Thummalapalli, Clarissa Westover, Arunachalam Ramanathan, M. Taylor Sobzcak, Roumika Patil, Qixuan Xiang, Tiantian Li, Sui Yang, Timothy E. Long, Hongyue Sun, Xianqiao Wang, Yang Liu, Kenan Song   +13 more
wiley   +1 more source

Effect of Direct Coal Liquefaction Conditions on Coal Liquid Quality

, 2015
Solvent extraction of coal was investigated with a focus on the quality of the coal liquids rather than coal conversion. The aim was to determine how the hydrogen/carbon ratio and other quality measures were influenced by liquefaction conditions ...
Rajender Gupta (1266063), Arno de Klerk (1233612), Moshfiqur Rahman (1327203), Toluwanise Adesanwo (1327200)   +3 more
core   +1 more source

Life Cycle Environmental Impacts and Socio‐Economic Implications of Tidal Electricity Generation and Storage in the UK

Advanced Sustainable Systems, Volume 10, Issue 6, June 2026.
If tidal electricity generation and storage replaced natural gas and battery storage by 2050, it could reduce the climate change impact of UK grid electricity by 71%, saving up to 4.4 Mt CO2 eq./y. Most other environmental impacts would be reduced by up to 24%. However, high costs and low public acceptability hinder its deployment. ABSTRACT Tidal range
Harish K. Jeswani, Slobodan Perdan, Adisa Azapagic   +2 more
wiley   +1 more source