Results 111 to 120 of about 4,430,869 (300)

CO2 emission reduction potential of large-scale energy efficiency measures in heavy industry in China, India, Brazil, Indonesia and South Africa [PDF]

open access: yes
We quantify the theoretical potential for CDM projects to improve energy-efficiency in selected heavy industrial sectors (iron and steel, cement, aluminium, pulp and paper and ammonia) in China, India, Brazil, Indonesia and South Africa and discuss the ...
Hayashi, Daisuke, Krey, Matthias
core  

Sedimentation Behavior of Liquid Iron Droplets during Smelting Reduction of Converter Slag by Considering the Coalescence of Droplets

open access: yesISIJ International, 2019
Considerable amounts of converter slag are produced by steelmaking plants in China, leading to important economic and ecological issues regarding the post treatment.1) Converter slag contains about 15%–30% iron and thus effective extraction of iron ...
M. He, Min Chen, Nan Wang, Chuanfu Li
semanticscholar   +1 more source

Recycling End‐of‐Life Solid Oxide Cell Interconnect Assemblies into Commercial‐Grade AISI 304 Stainless Steels

open access: yessteel research international, EarlyView.
This study validates a recycling pathway for converting interconnect assemblies from end‐of‐life SOC stacks into commercial‐grade AISI 304 steels. Using scrap‐based steelmaking operations, austenitic cast steels with <4.0% δ‐ferrite are successfully produced.
Jeraldine Lastam   +7 more
wiley   +1 more source

Research on an Intelligent Prediction Model for the Reduction Endpoint of Copper Smelting in Anode Furnaces Based on the Crystallization Ratio Method and Image Recognition

open access: yesMathematics
The anode furnace is a key piece of equipment in the copper smelting process and plays a vital role in producing high-quality copper. Accurately determining the endpoint during the anode furnace reduction process is critical to ensuring copper quality ...
Bi Zhao   +4 more
doaj   +1 more source

Effect of Intrinsic Carbon in Hot Briquetted Iron on Melting and Refining Efficiency under Electric Arc Furnace Conditions for Sustainable Steelmaking with Active Use of H2‐Reduced Iron

open access: yessteel research international, EarlyView.
The melting behavior of hot briquetted iron (HBI) is observed and compared with FactSage computing simulation. When using HBI in an electric arc furnace process, a proper design of intrinsic carbon content in HBI, charging ratio of HBI, and addition of lime are proposed to be essential to control the slag volume, maintain slag basicity, and mitigate ...
Min Joo Lee, Joo Hyun Park
wiley   +1 more source

Selective Recovery of Tin from Electronic Waste Materials Completed with Carbothermic Reduction of Tin (IV) Oxide with Sodium Sulfite

open access: yesRecycling
A new approach for the thermal reduction of tin dioxide (SnO2) in the carbon/sodium sulfite (Na2SO3) system is demonstrated. The process of tin smelting was experimentally optimized by adjusting the smelting temperature and amounts of the chemical ...
Wojciech Hyk, Konrad Kitka
doaj   +1 more source

Balanced costs: Inland copper smelting location and fuel in South Australia 1848-76: Were they so naive? [PDF]

open access: yes
Because it takes more than one ton of coal to smelt a similar quantity of minerals, and because coal is weight for weight less valuable than the mineral, it makes good logistical and economic sense to transport the mineral to the coal rather than vice ...
Mel Davies
core   +1 more source

A Thermodynamic‐Kinetic Model for Basic Oxygen Furnace Tapping: Improved Prediction of Phosphorus and Steel‐Slag Evolution

open access: yessteel research international, EarlyView.
This study develops a thermodynamic–kinetic model for basic oxygen furnace tapping and validates its accuracy under near‐equilibrium and far‐from‐equilibrium initial conditions. Comparison with a reference model demonstrates its broader applicability. The model further reveals the evolution of key steel and slag components, providing new transparency ...
Puhong Cheng   +4 more
wiley   +1 more source

The Impact of Environmental Pollution and Climate Change on Allergic Rhinitis and Lung Diseases

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Environmental pollution and climate change seriously affect human health, leading to the onset and exacerbation of chronic respiratory diseases, such as allergic rhinitis and lung diseases. Over the past several decades, increasing air pollution and environmental exposure owing to global urbanization, industrialization, and rapid economic ...
Xin‐Yan Liu   +4 more
wiley   +1 more source

Study of the reduction rate anti-fixation phenomenon by combining precursor porosity and relative vacuum mechanisms

open access: yesAlexandria Engineering Journal
The high carbon emission (23 t CO2 / 1 t Mg) and high energy consumption (5tce / 1 t Mg) of raw magnesium smelting seriously limit the expansion of its output.
Jing-zhong Xu   +3 more
doaj   +1 more source

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