Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Tirivaviri Augustine Mamvura"'
Autor:
Langa Bright Moyo, Bruce I. Gandiwa, Tirivaviri Augustine Mamvura, N. Hlabangana, Liberty L. Mguni, Sokesimbone Ncube
Publikováno v:
South African Journal of Chemical Engineering, Vol 34, Iss, Pp 158-164 (2020)
The research presents a comparative study on the effectiveness of blending plant based natural coagulants (Cactus Opuntia and Moringa Oleifera extracts) and a synthetic coagulant (aluminium sulphate or alum) in treatment of raw water. The low product
Publikováno v:
South African Journal of Chemical Engineering, Vol 33, Iss, Pp 67-73 (2020)
Bitumen plays an important role especially in the community in terms of infrastructure where its properties are utilized. It is a semi-solid hydrocarbon product which is produced by removing the lighter fractions such as liquid petroleum gas from hea
Autor:
Tirivaviri Augustine Mamvura, Taboka Moalosi, Mmoloki Makoba, Paul Serban Agachi, Edison Muzenda
Publikováno v:
Studia Universitatis Babeș-Bolyai Chemia. 65:243-256
Publikováno v:
Heliyon, Vol 7, Iss 11, Pp e08337-(2021)
Heliyon
Heliyon
In this article factors that affect the comminution behavior of heterogeneous diorite rocks obtained from two quarry locations in Botswana were investigated. Diorite rocks are in great abundance in Botswana and they are increasingly viewed as a relat
Publikováno v:
Heliyon
Heliyon, Vol 7, Iss 4, Pp e06757-(2021)
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
Autor:
Zvanaka S. Mazhandu, Mohamed Belaid, Tirivaviri Augustine Mamvura, Trust Nhubu, Edison Muzenda
Publikováno v:
Sustainability, Vol 12, Iss 8360, p 8360 (2020)
Cumulative plastic production worldwide skyrocketed from about 2 million tonnes in 1950 to 8.3 billion tonnes in 2015, with 6.3 billion tonnes (76%) ending up as waste. Of that waste, 79% is either in landfills or the environment. The purpose of the
Publikováno v:
Processes, Vol 8, Iss 766, p 766 (2020)
Processes
Volume 8
Issue 7
Processes
Volume 8
Issue 7
Some of today&rsquo
s modern life challenges include addressing the increased waste generation and energy deficiencies. Waste tyres have been identified as one of the key environmental concerns due to their non-biodegradable nature and bulk stor
s modern life challenges include addressing the increased waste generation and energy deficiencies. Waste tyres have been identified as one of the key environmental concerns due to their non-biodegradable nature and bulk stor
Autor:
Tirivaviri Augustine Mamvura, Gwiranai Danha, Langa Bright Moyo, N. Hlabangana, P. Musekiwa, Geoffrey S. Simate
Publikováno v:
Heliyon
Heliyon, Vol 6, Iss 6, Pp e04184-(2020)
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
Publikováno v:
South African Journal of Chemical Engineering, Vol 25, Iss, Pp 1-12 (2018)
Power producing plants are major emitters of greenhouse gases that lead to global warming and climate changes. In the past two to three decades, attention has been drawn to organizations such as these reduce their dependence on coal reserves which ar
Publikováno v:
South African Journal of Chemical Engineering, Vol 25, Iss, Pp 62-73 (2018)
The energy changes experienced during application of high-power ultrasound in cleaning biofilms from food-grade surfaces was investigated in this study. Laboratory scale experiments were conducted using 24 kHz ultrasound frequency with an ultrasonica