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Browsing by Supervisor "Brink, Hendrik Gideon"
Now showing items 1-13 of 13
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(University of Pretoria, 2020-08-28)Biofilms of the bovine rumen bacterium Actinobacillus succinogenes have demonstrated their exceptional capabilities as biocatalysts for high productivity, titre and yield production of succinic acid (SA). Succinic acid is ...
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(University of Pretoria, 2023)Anaerobic digestion is a process whereby microorganisms break down waste material into simpler compounds, while simultaneously producing biogas that is generally high in methane and carbon dioxide content (60 –70 % and 30 ...
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(University of Pretoria, 2019)Background The South African Government is spending huge amounts of money (about R64 billion for the fiscal years 2015/16 to 2018/19 as per the revised strategic plan – vote 36) and more than R30 billion was targeted ...
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(University of Pretoria, 2021)The Pb(II) adsorption capabilities of a heavy metal tolerant strain of fungus, Aspergillus piperis, were studied. Agar well diffusion was used with 2000 ppm of Cu(II), Fe(II), Pb(II), Mg(II), Mn(VI), Se(VI), Cd(II), and ...
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(University of Pretoria, 2022)The study focused on determining the microbial precipitation abilities of two bacterial strains, Paraclostridium bifermentans and Klebsiella pneumoniae isolated from an industrially obtained microbial consortium. Previous ...
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(University of Pretoria, 2022)It is well established that mankind’s current economic practices are unsustainable. Conse-quences such as food shortages and climate change are predicted in the coming decades and efforts to help avert these impending ...
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(University of Pretoria, 2022)Calcium carbonate has been extensively used as a neutralising agent in acid forming microbial processes. The effect of increasing calcium carbonate concentrations on Rhizopus delemar has not been previously investigated. ...
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(University of Pretoria, 2022)Ecological remediation has gained significant attention recently due to the adverse ramifications of anthropogenic waste in water. For several years, natural processes have been incorporated in centralised wastewater ...
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(University of Pretoria, 2023)Poor agricultural practices involving synthetic fertilizers have caused many environmental issues which leads to the pollution of all biospheres of the earth. In order to meet the ever-increasing demand of fertilizer it ...
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(University of Pretoria, 2021)The Pb(II) adsorption characteristics of chemically activated waste activated sewage sludge (WAS) were compared to raw WAS. Adsorption kinetics and equilibrium isotherm parameters were fit with commonly used models. HCl ...
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(University of Pretoria, 2020)Selenium (Se) in the aquatic environment is predominantly found as the soluble selenium oxyanions; selenate (SeO42-), and selenite (SeO32-). These oxyanions are toxic, and they readily bio-accumulate in the food chain. ...
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(University of Pretoria, 2021)The petrochemical industry has been the focus of research and development for many years and is the norm for many chemical processes. The potential to produce bulk valuable chemical precursors, like malic acid, from microbial ...
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(University of Pretoria, 2022)The four-carbon dicarboxylic acid, fumaric acid, of the tricarboxylic acid cycle remains a promising bio-based platform chemical. To date the most promising organism for pro- ducing fumaric acid is Rhizopus oryzae (ATCC ...
Now showing items 1-13 of 13