Results 11 to 20 of about 27,640 (257)

Gold recovery and migration mechanism in the copper smelting and converting [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy
The gold embedded in the copper concentrate is enriched in the matte phase during copper smelting and transferred into blister copper during subsequent processing, via which the gold was recycled. In the copper smelting, gold dissolved and appeared as Au
Qu S.-L., Zou L., Dong Z.-Q., Li L.
doaj   +1 more source

The influence of the silicate slag composition on copper losses during smelting of the sulfide concentrates [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2009
This paper presents the results of multi-linear regression analysis (MLRA) of the slag composition (SiO2, FeO, Fe3O4, CaO, Al2O3) and the content of copper in the matte on resulting copper content in the slag during smelting of the sulfide concentrates ...
Živković Živan, Mitevska N., Mihajlović Ivan, Nikolić Đorđe   +3 more
doaj   +1 more source

Synthesis of Zeolite from Waste Perlite by Hydrothermal Treatment

Journal of MMIJ, 2017
Various zeolites were synthesized though hydrothermal treatment of perlite with alkaline solutions in order to facilitate effective use of the discarded perlite. Perlite is volcanic glass mainly composed of amorphous aluminum silicate and its composition
Makoto KASAI, Yosei KOBAYASHI, Masakazu TOGO, Masataka KAMITANI, Mitsunori KONDO, Toru WAKIHARA, Atsushi NAKAHIRA   +6 more
doaj   +1 more source

Metallurgical processing of copper secondary raw materials [PDF]

Tehnika, 2015
Procedures for copper secondary raw materials processing include two basic stages: pretreatment of the copper waste and its further metallurgical processing.
Sokić Miroslav D., Gulišija Zvonko P., Ilić Ilija B., Marković Branislav R., Štrbac Nada D., Živković Dragana T., Manojlović Vaso D.   +6 more
doaj   +1 more source

Recovery of lead and silver from lead-bearing wastes using reducing-matting smelting process

工程科学学报, 2016
In view of the difficulty in environmental and economic treatments of lead-bearing wastes generated in lead and zinc smelter,a new reducing-matting smelting process was proposed to recycle secondary lead from multiple lead-bearing wastes in this paper ...
YE Long-gang, LIN Wen-rong, CHEN Yong-ming, LI Yun, TANG Chao-bo   +4 more
doaj   +1 more source

Optimization of Recovery of Valuable Metals from Lead Smelting Water Quenching Slags by Response Surface Methodology

Kuangchan zonghe liyong
Water quenching slags were leached by oxygen pressure at the acidic conditions. The effects of ratio of oxygen pressure temperature, sulfuric acid concentration, liquid-solid ratio on the selective leaching were investigated using response surface ...
Hui LI, Lin ZOU, Chao QU
doaj   +1 more source

Nickel Laterite Smelting Processes and Some Examples of Recent Possible Modifications to the Conventional Route

Metals, 2019
The treatment of laterites has been a research hotspot in extractive metallurgy over the past decades. Industrially, the pyrometallurgical treatment of laterites is mostly accomplished with a well-established method, namely, the rotary kiln− ...
Ender Keskinkilic
doaj   +1 more source

Porous Bi2S3 Bulk With Excellent Thermoelectric Performance by Solid States Replacement and Low Melting‐Point Metal Volatilization

Advanced Materials, EarlyView.
By introducing FeCoNi medium‐entropy alloy, the bismuth sulfide (Bi2S3) material achieves a record‐high ZT of 1.1 at 773 K, owing to the solid‐states replacement reaction and the volatilization of low melting‐point metal. This strategy is also applicable to other sulfur‐based thermoelectric materials.
Zi‐Yuan Wang, Jun Guo, Yi‐Xin Zhang, Hao Liang, Xing Yang, Rafal E. Dunin‐Borkowski, Fengshan Zheng, Lei Jin, Jing Feng, Zhen‐Hua Ge   +9 more
wiley   +1 more source

Corrosion mechanism of Al2O3–C stopper rod by calcium treated molten steel

Journal of Materials Research and Technology
The stopper rod plays a crucial role in continuous casting by controlling the flow of molten steel into the mold in the tundish, ensuring a stable molten steel level, and facilitating smooth operation.
Lidong Xing, Jingjing Liu, Yanping Bao, Min Wang   +3 more
doaj   +1 more source

The effect of copper content in the matte on the distribution coefficients between the slag and the matte for certain elements in the sulphide copper concentrate smelting process [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2012
This paper presents the results of investigating the dependence of distribution coefficient LS/MMe for: Cu, Zn, Pb, Sb, As, Ni, Ag, Au and Bi, between the slag and the matte, on the copper content in matte.
Đorđević P., Mitevska N., Mihajlović I., Nikolić Đ., Manasijević D., Živković Ž.   +5 more
doaj   +1 more source