Publications by authors named "Changkun Cheng"
Article Synopsis
- Microbial enhanced oil recovery (MEOR) is explored using a co-culture system to improve oil extraction efficiency through bacterial interactions and biosurfactant production.
- The optimal inoculation ratio of 1:1 led to significant increases in bacterial growth and biosurfactant production, boosting these metrics by over 200%.
- Field applications demonstrated that the co-culture system improved crude oil recovery to 94.48% and resulted in a substantial increase in oil production, with certain bacteria becoming dominant in the reservoir, enhancing hydrocarbon degradation.
Coagulation/flocculation is considered an economical and practical technology to remove refractory organic matter from wastewater. Coagulants containing chlorine may release chloride ions into water, thereby resulting in corrosion. A green chlorine-free coagulant of polyaluminum ferric silicate (PSAF) was synthesized to treat non-oily (e.
View Article and Find Full Text PDFHeavy-metal contaminated soils post great environmental and health concerns. In this study, Cr and Cd which are frequently observed in contaminated soils, were selected as representatives of hazardous heavy metals because of their different redox potentials and electric charges. Cr(VI)-, Cd(II)-, Cr(VI)/Cd(II)-contaminated soils were remediated in two-chamber air-cathode MFCs, in order to investigate the remediation of soil contaminated by single heavy metal and mixed heavy metals.
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