Results 51 to 60 of about 272,832 (211)

Sustainable development of Ukrainian iron and steel industry enterprises in regards to the bulk manufacturing waste recycling efficiency improvement [PDF]

, 2012
Purpose. Identify the tendency of sustainable development of Ukrainian iron and steel industry enterprises regarding the raising of the bulk manufacturing waste recycling efficiency. Methods.
Cheremisina, Gromova, Onyshchenko, Syiemlieh   +3 more
core   +1 more source

Physical modelling of tundish slag entrainment under various technological conditions [PDF]

, 2017
This paper deals with the issue of physical modelling of vortexes creation and tundish slag entrainment over the mouth of the nozzle into the individual casting strands. Proper physical model is equivalent to the operational continuous casting machine No.
Gryc, Karel, Merder, Tomasz, Michalek, Karel, Pieprzyca, Jacek, Pindor, Lukáš, Saternus, Mariola, Socha, Ladislav, Tkadlečková, Markéta   +7 more
core   +1 more source

Slag ladle insulation [PDF]

, 1994
Slag from Pasminco's lead-zinc smelters, which is rich in zinc, is transferred in thirteen tonne capacity ladles from the blast furnace to the slag fuming furnace. The cycle time is about three hours.
Jenkins, D., Stokes, N.
core  

Influence of Alkali Metal Oxide Slag Aggregating Agent on the Performance of Magnesium Desulfurization Slags

Kuangchan zonghe liyong
This is an article in the field of metallurgical engineering. In view of the thin slag layer in the desulfurization process of magnesium-based desulfurizers, it is difficult to remove cleanly, resulting in high-concentration desulfurization slag being ...
Wufeng JIANG, Liang TIAN, Suju HAO, He BO, Tengfei MA, Yuzhu ZHANG   +5 more
doaj   +1 more source

Visokotemperaturno procesiranje in reciklaža avtomobilskih katalizatorjev [PDF]

, 2018
This paper presents the results from an experimental study of the thermal method applied for obtaining platinum-group metals (PGMs) by melting used autocatalysts in an 80 kVA plasma reactor, using suitable fluxes and a reducing agent. As the collector of
Dobáková, Romana, Kurilla, Peter, Lázár, Marián, Příhoda, Miroslav, Čarnogurská, Mária   +4 more
core   +1 more source

Testing the strength of concrete made from raw and dispersion-treated concrete recyclate by addition of additives and admixtures

Journal of Civil Engineering and Management, 2013
Today, concrete comprises more than 65% of the total volume of building constructions. As it undergoes degradation and buildings require refurbishment, the volume of concrete increases at disposal sites.
Michal Stehlík
doaj   +1 more source

Ancient tin production: Slags from the Iron Age Carvalhelhos hillfort (NW Iberian Peninsula) [PDF]

, 2018
Provenance and production of tin in the Ancient World has since long been a major topic of discussion among archaeologists. In Western Europe, where significant tin ore (cassiterite) deposits are known, only a few remains of ancient tin production, such ...
Figueiredo, Elin, Fonte, João, Lima, Alexandre, Mirão, José, Silva, Rui J.C., Veiga, João Pedro   +5 more
core   +1 more source

Review of physical and chemical characteristics and heavy metal migration rules of coal gasification slag

Meitan kexue jishu
The resource utilization of coal gasification slag has become a research focus in the field of coal-based solid waste. The physical and chemical characteristics and the heavy metal migration rules of coal gasification slag are very important for its ...
Changjian LIAO, Jing WANG, Ping JIN, Zhiyu LIU, Wanyi XU, Kun WANG   +5 more
doaj   +1 more source

Liquidus and phase equilibria in CaO-Al2O3-FeOx-SiO2 system under intermediate oxygen partial pressure [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2013
Phase equilibria of silicate slags relevant to the copper smelting/converting operations have been experimentally studied over a wide range of slag compositions, temperatures and atmospheric conditions.
Wang N., Chen M., Zou Z., Zhang Z., Xiao Y., Yang Y.   +5 more
doaj   +1 more source

Interfacial Behavior of Slag, Fly Ash, and Red Mud-Based Geopolymer Mortar with Concrete Substrate: Mechanical Properties and Microstructure

Buildings
Geopolymer, as a new type of solid waste-based inorganic cementitious material, exhibits outstanding behavior in terms of physical and chemical performance, macromechanical properties, long-lasting stability, and features potential application ...
Qinghui Long, Yufei Zhao, Benben Zhang, Huichen Yang, Zhengdong Luo, Zhengyang Li, Genbao Zhang, Kun Liu   +7 more
doaj   +1 more source