Results 71 to 80 of about 3,454 (255)

Preparation of nano sulfur from the wastes (foam) in the Al_Mishraq sulfur mine (Mosul/Iraq)

open access: yesJournal of the Turkish Chemical Society Section A: Chemistry
The research included estimating the elemental sulfur percentage in sulfuric foam waste, which was found to be 88.15%. Potassium polysulfide was prepared from this waste and used to prepare nano-sized sulfur particles through reduction processes. Stable suspensions were obtained for more than 30 days.
Saad AHMED   +2 more
openaire   +2 more sources

Graphene Materials for Sustainable Energy Applications: A Contemporary Perspective

open access: yesCarbon Energy, EarlyView.
ABSTRACT Graphene has garnered significant attention as a promising material with great potential for contributing to sustainable energy initiatives, such as RE100 (100% renewable energy initiative) and CF100 (100% carbon‐free initiative). This review aims to explore the potential of graphene for advancing renewable energy applications by highlighting
Niraj Kumar   +3 more
wiley   +1 more source

A systematic review of the diesel particulate matter composition, health risks, measurement and mitigation techniques in underground mines

open access: yesJournal of Industrial Safety
Diesel-powered vehicles remain integral to underground mining operations due to their high mobility and operational efficiency. However, the enclosed nature of underground mines exacerbates health risks associated with diesel exhaust emissions ...
Sanjoy Gorain, Rohit Pandey, Ashok Kumar
doaj   +1 more source

Infinite Functional Versatility, Formidable Limits: Evaluating Gallium‐Based Liquid Metals in Rechargeable Batteries

open access: yesCarbon Energy, EarlyView.
Beyond the hype surrounding the self‐healing properties of gallium‐based liquid metals (Ga‐LMs), this perspective critically examines their functional roles in metal‐ion batteries, highlighting both their underlying merits and the often‐overlooked challenges, including non‐representative design and testing configurations, performance overestimations ...
Turly P. P. Sumanasekara   +7 more
wiley   +1 more source

Characteristics and prediction methods of coal spontaneous combustion for deep coal mining in the Ximeng mining area

open access: yesMeitian dizhi yu kantan
Objective The mining of deep coal seams in the Ximeng mining area within the Ordos Basin is subjected to complex environmental conditions like high in-situ stress, large water inflow, and severe air leakage, which lead to the encountered with elevated ...
Li MA   +5 more
doaj   +1 more source

Analysis of hard coal quality for narrow size fraction under 20 mm

open access: yesE3S Web of Conferences, 2018
The paper presents the results of an analysis of hard coal quality diversion in narrow size fraction by using taxonomic methods. Raw material samples were collected in selected mines of Upper Silesian Industrial Region and they were classified according ...
Niedoba Tomasz, Pięta Paulina
doaj   +1 more source

Improving the Quality of “Leri” Rice Washing Waste by Different Period of Fermentation and Yeast Concentration as an Alternative Liquid Organic Fertilizer

open access: yesInternational Journal of Agriculture System, 2015
This study aims to determine the best time of fermentation process and yeast concentration to improve the quality of “leri” (rice wahing waste). The study was conducted in the Bilibili village, Suppa Sub-District, Pinrang Regency, South Sulawesi Province
Muh. Akhsan Akib   +3 more
doaj   +1 more source

Internal Carbon Cycles in the Steel Industry: Pathways for CO2 Management and Carbon Capture Utilization

open access: yesChemie Ingenieur Technik, EarlyView.
The steel industry accounts for about 7%‐9% of global CO2 emissions. While H2‐based direct reduction is a long‐term route, near‐term solutions are needed for existing plants. Internal carbon cycles reuse steelworks off‐gases and by‐products, enabling circular carbon use and supporting CCU integration.
Florian Haakmann   +4 more
wiley   +1 more source

Sulfur Geochemistry of Mining Impacted Waters [PDF]

open access: yesGoldschmidt Abstracts, 2020
Stephanie Marshall   +4 more
openaire   +1 more source

Peroxodisulfate‐Enhanced Leaching of Deep‐Sea Manganese Crusts and Sulfides

open access: yesChemie Ingenieur Technik, EarlyView.
Ammonium peroxodisulfate enables efficient leaching of deep‐sea manganese crusts and massive sulfides while offering electrolytic recycling. High leaching yields for V, Mn, Co, Mo, Sn, and W, along with complete leaching of As and Sb, highlight its potential as a powerful and sustainable oxidant for marine resource processing.
Bastian Hansel   +5 more
wiley   +1 more source

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