Author:De Beer, Morris; Maree, JP; Liebenberg, L; Doucet, FJDate:Nov 2014The production of elemental sulphur and calcium carbonate (CaCO(sub3)) from gypsum waste can be achieved by thermally reducing the waste into calcium sulphide (CaS), which is then subjected to a direct aqueous carbonation step for the generation ...Read more
Author:Namane, MphoDate:Apr 2016Lignin is a phenolic, carbon-rich, heterogeneous polymer that has, in recent years, become a focus of research in the biorefinery field, as a potential source of chemicals, energy and materials. Generally, research on lignin in the biorefinery ...Read more
Author:De Beer, Morris; Doucet, FJ; Maree, JP; Liebenberg, LDate:Aug 2015We recently showed that the production of elemental sulphur and calcium carbonate (CaCO3) from gypsum waste by thermally reducing the waste into calcium sulphide (CaS) followed by its direct aqueous carbonation yielded low-grade carbonate ...Read more
Author:Shingwenyana, Rhulani K; Shabalala, AN; Mbhele, Nkhangweleni R; Masindi, VhahangweleDate:Nov 2021The concept of circular economy in wastewater treatment has recently attracted immense interest and this is primarily fueled by the ever-growing interest to minimise ecological footprints of mining activities and metallurgical processes. In ...Read more
Author:Tesfaye, T; Sithole, Bishop B; Ramjugernath, D; Mokhothu, Thabang HDate:May 2018Increasing consumption of chicken results in generation of large amounts of wastes that need to be disposed of properly. Chicken feathers constitute about 5–10% of the weight of the chicken and thus they comprise a significant portion of the ...Read more
Author:Tesfaye, T; Sithole, Bishop B; Ramjugernath, D; Mokhothu, Thabang HDate:May 2018Increasing consumption of chicken results in generation of large amounts of wastes that need to be disposed of properly. Chicken feathers constitute about 5–10% of the weight of the chicken and thus they comprise a significant portion of the ...Read more
Author:Tesfaye, T; Sithole, Bishop B; Ramjugernath, DDate:Oct 2017The poultry industry generates large amount of feathers as a waste by-product. Small amounts are often processed into valuable products such as feather meal and fertilisers and the remaining waste is disposed of by incineration or by burial ...Read more