Zobrazeno 1 - 10
of 224
pro vyhledávání: '"G. Danha"'
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26614- (2024)
High-grade copper ores have been depleted over the years, making it a challenge in the mining industry. This investigation focused on a methodology to recover iron (Fe) and copper (Cu) from a copper/nickel slag obtained from the Bamangwato Concession
Externí odkaz:
https://doaj.org/article/97ce34a6f1264d48bff688ec1c25c919
Publikováno v:
Heliyon, Vol 9, Iss 4, Pp e15506- (2023)
The circular economy initiative has driven the agriculture and agro-based industry to beneficiate from waste,thus closing the material loop towards enhancing economic and environmental performance. In this study, the aim was to recover phosphorus fro
Externí odkaz:
https://doaj.org/article/3f7f33a19ad445de9ea4ba9a96c7682f
Publikováno v:
South African Journal of Chemical Engineering, Vol 31, Iss , Pp 25-32 (2020)
In this review, the role of surface modification of nanoparticles to enhance their performance as adsorbents was explored. Performance was assessed by comparisons on adsorption capacities of differently modified nanoparticles (silica, iron, and alumi
Externí odkaz:
https://doaj.org/article/6c910b697c854327a3dc2c142d60531a
Publikováno v:
South African Journal of Chemical Engineering, Vol 27, Iss , Pp 35-42 (2019)
This study investigated the application of the attainable region optimization technique to establish the optimum hybrid hydrometallurgical and pyro-metallurgical process conditions required to treat the electric arc furnace dust. The analysis of the
Externí odkaz:
https://doaj.org/article/5ff703cf50064e7c8ed20bfae7618c1e
Publikováno v:
Heliyon, Vol 7, Iss 4, Pp e06757- (2021)
Before disposal of any metallurgical waste to the environment, it is the responsibility of mining institutes to adhere to the permissible metal content limits. Base metals, especially iron and copper, have adverse effects of reducing the soil pH and
Externí odkaz:
https://doaj.org/article/4bd5a0cf23bc4aca8f9b1c58d1f8b73d
Publikováno v:
Heliyon, Vol 6, Iss 6, Pp e04184- (2020)
Paper production through chemical pulping has been identified as one of the ideal avenues of exploring the uses of groundnut shells as they are rich in cellulose. Ideally, the cellulose can be used to synthesize fibres that can be converted into usef
Externí odkaz:
https://doaj.org/article/8b0836b182ce462aa1423b3cc5c9f389
Autor:
T.A. Mamvura, G. Danha
Publikováno v:
Heliyon, Vol 6, Iss 3, Pp e03531- (2020)
Biomass torrefaction has gained widespread attention due to its benefits as a standalone process to improve biomass properties to be at par or similar to those for coal in electricity generation or as a pretreatment step before pyrolysis and gasifica
Externí odkaz:
https://doaj.org/article/6ee7a04ff3fa48beb5092418cd0dc099
Publikováno v:
Heliyon, Vol 6, Iss 1, Pp e03135- (2020)
Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags. The copper content of the slags ra
Externí odkaz:
https://doaj.org/article/a7a5978e4f1b48c693e78202d66f0595
Publikováno v:
South African Journal of Chemical Engineering, Vol 25, Iss , Pp 79-84 (2018)
In this article, alternative forms of optimizing the milling efficiency of a laboratory scale ball mill by varying the grinding media size distribution and the feed material particle size distribution were investigated. Silica ore was used as the tes
Externí odkaz:
https://doaj.org/article/f70ebdb993eb43a7ab13397dd747c7c2
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