Constraints and opportunities for the recycling of growing …
DOI: 10.1016/J.RESCONREC.2018.08.002 Corpus ID: 116051141; Constraints and opportunities for the recycling of growing ferronickel slag in China @article{Xi2018ConstraintsAO, title={Constraints and opportunities for the recycling of growing ferronickel slag in China}, author={Beidou Xi and Renfei Li and Xinyu Zhao …
Life cycle assessment of melting reduction treatment …
Life cycle assessment of melting reduction treatment for iron and steel waste slag: A case study in Tangshan, China. YanlongLi, MeiyuLv, RundongLi, …
China
Slag was processed by 28 companies servicing active iron and steel facilities or reprocessing old slag piles at about 124 processing plants, including some iron and …
ATAIRAC Slag Recycling Crusher Plant with Patent
Company Introduction: ATAIRAC China is the top3 of mining equipment in China. Our products include feeder, jaw crusher, impact crusher, cone crusher, sand making machine, vibrating screen, sand washing machine, spiral classifier, fine sand recycling device, belt conveyor and other mineral production line assistant equipments.
Review on Comprehensive Recovery Valuable Metals and
Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of copper slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy. This paper firstly …
Steel slag in China: Treatment, recycling, and …
Steel slag recycling is a serious problem in China. The volume of steel slag is growing rapidly because the output of steel is steadily increasing; however, slag's …
Comprehensive treatments of tungsten slags in China: A …
Until now, the cumulative amount of tungsten slag reached 1 million tons, what is worse, more than 70 thousand tons of tungsten slag were produced every year in China (Li et al., 2019). The slags contain a fair amount of valuable metals, such as W, Sn, Sc, Ta and Nb, and the concentrations of W (1–2%) and Sn (0.4–0.8%) are much higher …
Preparation of CaO-containing carbon pellet from recycling …
CaO-containing carbon pellets (CCCP) was prepared by mixing carbide slag (Ca(OH) 2) and powdered char to produce CaC 2, achieving the recycling of carbide slag during CaC 2 production process. The thermal strength of CCCP was the focus of most attention when employing arc furnaces as reactors for CaC 2 production in industry. To …
Comprehensive utilization of steel slag: A review
Introduction. Steel slag is the main solid waste generated in the steel-making process, accounting for 15 to 20% of crude steel output [1]. China's crude steel output in 2021 was 1.035 billion tons [2], more than half of the global crude steel output (1.9505 billion tons) [3], and the steel slag output exceeded 120 million tons.
Steel Slag Recycling
Sourcing Guide for Steel Slag Recycling: China manufacturing industries are full of strong and consistent exporters. We are here to bring together China factories that supply manufacturing systems and machinery that are used by processing industries including but not limited to: premium smelting slag, new smelting slag, metal scrap press machine.
Comprehensive Utilization Technology of Steel Slag
The deposit volume of steel slag in China exceeds 400 million tons, leading to the occupation of a large area of land and serious environment pollution. However, the current utilization rate of steel slag in China is only about 21%, which is far behind that of developed countries. Recycling and reusing these solid wastes are essential, not only …
The recycling and reuse of steelmaking slags — A review
China (2016) X. Huang et al. On the use of blast furnace slag and steel slag in the preparation of green artificial reef concrete. Constr. Build. Mater. Elsevier (2016) H.M. Jafer et al. ... The recycling effect of BOF slag in the portland cement properties. Resources, Conservation and Recycling, Volume 127, 2017, pp. 216-220.
A Review of Comprehensive Utilization of Copper Slag of China …
Full size image. The copper content of copper slag is 0.5–4.5% or even higher, which is much higher than the 0.2–0.3% mining grade of copper mines in China. The total iron content in copper slag is about 40%, which is significantly higher than the mineable grade of iron ore in China (TFe > 27%) [ 10 ].
Environmental Assessment of Recycling (EAoR) for Safe Recycling …
Steel slag is a major waste product of the steelmaking process. Owing to its chemical composition, it can be reused as a raw material in steel mills and a substitute for aggregates in engineering. In 2016, the Republic of Korea (ROK) introduced the Environmental Assessment of Recycling (EAoR) system for the safe recycling of …
Analyzing the environmental impact of copper-based mixed waste
Extraction difficulty and high recycling costs affect the recycling of copper resources. In China, Shenzhen produced 25000 tons of copper sludge in 2009 alone (Yao, 2010), ... which is sold as a final product. The slag produced in the smelting process is directed to the flotation process, and the residual copper-bearing material is again ...
Recycling of ironmaking and steelmaking slags in Japan and China
The treatment of ironmaking and steelmaking slags is a great challenge in the sustainable development of the steel industry. Japan and China are two major steel producing countries that have placed a large emphasis on developing new technologies to decrease slag emission or promote slag valorization.
A Review on Reclamation and Reutilization of Ironmaking …
This review aims to provide fundamental works on slag recycling and application to the ironmaking and steelmaking slags and the potentials of future use for enhanced sustainability of the industry. ... Steel slag in China: treatment, recycling, and management. Waste Manage (Oxford) 78:318–330. Article Google Scholar Nippon Slag …
Recycling of ironmaking and steelmaking slags in Japan …
countries to decrease slag emission or promote slag recyc-ling. Here, we review fundamental research as well as cur-rent technologies for recycling ironmaking and steelmaking slags in Japan and China as representative examples. Experi-ences from both countries can be used as a point of reference for other countries. 2.
Review on treatment and utilization of barium slag in China
Abstract. Barium slag (BS) is generated as a by-product waste during the production of barium salts from barite. A large amount of BS is discharged annually threating the ecological environment and restricting the development of the barium salts industry. In China, BS is classified as hazardous waste due to its corrosivity, and more …
Steel slag in China: Treatment, recycling, and management
Outdated treatment approaches is one of the reason for low utilization rate in China, most Chinese steel plants carry out the preliminary treatment (like family workshops) of steel …
Comprehensive Utilization Technology of Steel Slag
Large iron and steel enterprises in the US, Japan, Europe, Germany, and China have adopted ways to recycle waste steel from steel slag for reducing the cost of the raw material (Bo et al., 2011 ...
Life Cycle Assessment of Internal Recycling Options of Steel Slag …
The internal recycling process of BOF slag which is one of the huge solid wastes from iron and steel industry was emphasized. Based on the four scenarios of different internal recycling strategies for BOF slag, life cycle assessment (LCA) as a valuable tool for industrial solid waste management was applied to analyze the …
Buildings | Free Full-Text | Feasibility of Preparing Steel Slag…
The utilization of steel slag in Japan, Europe, the United States, and China is shown in Figure 1. Steel slag can be disposed of in road engineering, cement production, internal recycling, civil engineering, and agriculture in Japan, Europe, the United States, and China [2,3,4,5,6]. It is noteworthy that 30–50% of steel slag is used for road ...
Steel slag in China: Treatment, recycling, and …
In this paper, we reviewed steel slag treatment, recycling, and manage-ment in China. Although China's annual slag production reached more than 100 million tons, its utiliza-tion rate is only 29.5%. As of 2016, more than 300 million tons of steel slag have not been used effectively. Large steel slag emissions are causing environmental ...
Treatment process and utilization technology of steel slag in China …
Zheng Qiao. ... Steel Slag (SS) is a main solid waste in the iron and steel industry, and its treatment technologies include the hot-SS splashing method, the air-granulation method, the drum-type ...
Phoenix Services Opens Slag Processing Facility in Indiana
Recycling Today Staff | May 01, 2012. Phoenix Services, headquartered in Kennett Square, Pa., has opened a 13-acre slag processing and distribution facility at the Port of Indiana. The announcement follows the company's signing of a multi-year contract with ArcelorMittal to provide slag and processing services at the steel company's Burns ...
Ores, slag and ash in China
Overview In February 2024 China's Ores, slag and ash exports accounted up to $301M and imports accounted up to $20.8B, resulting in a negative trade balance of $20.5B. Between February 2023 and February 2024 the exports of China's Ores, slag and ash have increased by $16.2M (5.69%) from $284M to $301M, while imports increased by $2.12B …
A review on lead slag generation, characteristics, and …
Large amounts of lead slag are produced during the production of primary lead and secondary lead. Considering lead concentrate smelting as an example, a primary lead smelting system production of 1 t of lead will discharge 7100 kg of lead slag (Hou, 2011).At the secondary lead recycling process, for each ton of metallic lead produced, 100–350 …
Recycling of ironmaking and steelmaking slags in …
Japan and China are two major steel producing countries that have placed a large emphasis on developing new technologies to decrease slag emission or promote …
Effect of steel slag in recycling waste activated sludge to …
In this paper, we reviewed steel slag treatment, recycling, and management in China. Although China's annual slag production reached more than 100 million tons, its utilization rate is only 29.5%.