Zobrazeno 1 - 10
of 110
pro vyhledávání: '"J. Łabaj"'
Publikováno v:
Archives of Foundry Engineering, Vol vol. 23, Iss No 1, Pp 103-109 (2023)
Coffee is grown in over 50 countries around the world, and its sale is the largest in the world trade after crude oil. In the case of coffee beans, after consumption remains a solid waste in the form of a waste plant extract. At present, coffee waste
Externí odkaz:
https://doaj.org/article/972a04e3e30b4323944c9cd808eb4d11
Publikováno v:
Archives of Foundry Engineering, Vol vol. 22, Iss No 3, Pp 11-18 (2022)
In this paper, the results of the study on aluminium evaporation from the Al-Zn alloys (4.2% weight) during remelting in a vacuum induction furnace (VIM) are presented. The evaporation of components of liquid metal alloys is complex due to its hetero
Externí odkaz:
https://doaj.org/article/0096c2c4c5ef427ab7695e6ae0fe79ba
Publikováno v:
Metalurgija, Vol 61, Iss 1, Pp 273-276 (2022)
This study presents the results of research on the process of smelting of copper matte with the use of anthracite waste dust as fuel. A method of introducing this carbon-bearing waste into the technological process carried out in a shaft furnace in t
Externí odkaz:
https://doaj.org/article/4e75e4b8412248f0951ca0f2a937bb7b
Publikováno v:
Metalurgija, Vol 61, Iss 1, Pp 244-246 (2022)
Scrap processed in the electric arc furnace (EAF) process in the form of car bodies or housings of household appliances generates dust containing a large amount of zinc. Coke or anthracite is currently used as a reducer in pyrometallurgical technolog
Externí odkaz:
https://doaj.org/article/71cd6800949e4ed8bf311b9477d9b824
Publikováno v:
Metalurgija, Vol 59, Iss 3, Pp 329-332 (2020)
Blister copper smelting in a flash furnace results in the generation of slag with a Cu content greater than 15 percent. In the process of reduction in an electric furnace, coke or coke breeze is used as a carbon-bearing material. The presented work s
Externí odkaz:
https://doaj.org/article/07540a476cc148968fec4e6af9eabca1
Publikováno v:
Metalurgija, Vol 59, Iss 3, Pp 361-363 (2020)
The presented work shows the results of vacuum melting of industrial Zn-Ag-Pb alloy arising from the processing of silver-bearing foam. The tests were carried out in an induction vacuum aggregate in the temperature range 773 - 873 K and pressure 10 -
Externí odkaz:
https://doaj.org/article/65ba54b0cf0946ec89cb538b258485d3
Publikováno v:
Metalurgija, Vol 55, Iss 4, Pp 694-696 (2016)
The research results on a method of reducing the amount of binder applied during formation of metal concentrates are presented. Research was done on a model copper concentrate, which was mixed in assumed mass fraction with binder, as well as binder w
Externí odkaz:
https://doaj.org/article/4117a7ff52954fa68b9cb952f27549b6
Publikováno v:
Metalurgija, Vol 54, Iss 4, Pp 646-648 (2015)
In the paper, results of investigations on the use of new, alternative binder, based on technical grade glycerine and higher alcohols, for copper matte briquetting are presented. The use of alternative binder yields briquettes that show better drop a
Externí odkaz:
https://doaj.org/article/93e47de30b5340ed9aad31892dc6df24
Autor:
J. Łabaj, M. Jodkowski
Publikováno v:
Metalurgija, Vol 55, Iss 1, Pp 44-46 (2015)
This paper presents the results of the study on emission characteristics of pollutants resulting from combustion process of composite alternative fuels for use in the processes of pyrometallurgy of copper as an alternative fuel to currently used coke
Externí odkaz:
https://doaj.org/article/7e57afff2dfd4ca685c4e5dcb5d6deb4
Publikováno v:
Metalurgija, Vol 54, Iss 1, Pp 151-153 (2015)
Blister copper smelting in a flash smelting furnace results in generation of slag that contains high amounts of copper, iron and lead. Most commonly, this material is subjected to reduction with coke in an electrical furnace. In the present paper, re
Externí odkaz:
https://doaj.org/article/8d5f28b0f98a433d8f6e76be71393edb