Summary of environmental engineering Doctoral thesis

Objectives of the thesis: The objective of this study is to develop an energy and nutrients recovering wastewater treatment process combining physicochemical and biological methods for NRP wastewater.

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The research goals of the thesis: Preparation and characterization of activated carbon products denaturated by surface oxidation technics. Determination of cation exchange capacity of the materials. Investigation of Mn and Fe linking on surface of prepared materials to form a new adsorption material for effective removing hazard anions in water environment.

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The research objectives of the thesi: Manufacturing biochar (BC) and activated carbon from coffee husk; Fabrication of biochar/activated carbon composite materials from coffee husk and MnFe2O4 nanomaterials to treat Cr(VI) and Ni(II) ions in water. Clarifying adsorption mechanism and heavy metal ion adsorption model on VLHP from coffee husk.

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Summary of Environmental engineering doctoral thesis: Investigation of activated carbon denaturation in order to create material for treatment of several hazard ions in water environment

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This thesis focuses on simulating the internal circulation process (gas pulling water) to determine: The amount of water (QN) was pulled up by the amount of gas (QK); and mixing ability of generated gas and circulating water flow, from which to calculate the periodic structure in the IC system.

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Successfully synthesized nano – mixed oxide by different gelling agents; compared, selected the appropriate gelling agent; researched to evaluate the catalytic activity of mixed oxide nanoparticles formed with pollutants methyl orange (MO), methylene blue (MB). Successful dispersed mixed oxide nanoparticles on rGO; investigated catalytic activity of material systems on parathion, fenitrothion.

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Develop the process of producing crude extracts, fractions and pure chemical compounds isolated from E. fortunei; tudy of inhibitory effect of the crude ethanol extracts from E. fortunei on the growth of M.aeruginosa and evaluating their ecological safety to non-target aquatic organisms.

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The objective of this study is to develop an energy and nutrients recovering wastewater treatment process combining physicochemical and biological methods for NRP wastewater.

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This thesis aims to investigate advance techniques for leachate treatment, especially electrocoagulation, biological filtration, and their combination.

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The objective of research is to build CNST using TVTS to treat pig waste water after microbiological treatment, to minimize environmental pollution. Technology is feasible when applied in practice.

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The research objective of the dissertation completes the technological process of modulating super oxidation solution, thereby manufacturing equipment to suit Vietnamese conditions and applying this solution to disinfect hospital wastewater.

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The research objective of the thesis is to select microorganisms capable of producing laccase, laccaselike from Ba Vi National Forest area, in herbicide / dioxin contaminated soil at Bien Hoa airport. Assessing the ability of decomposing herbicides containing dioxin and reactive dyes by laccase, laccase-like and VSV strains were selected to guide the application in defense activities.

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