Kaiqin Xu mostly deals with Methane, Waste management, Methanogenesis, Renewable energy and Hydrogen. His Methane research incorporates elements of Carbon and Electrolysis, Electromethanogenesis. His Waste management research is multidisciplinary, incorporating perspectives in Biomass, Fermentation, Bioreactor and Biochemical engineering.
His work carried out in the field of Methanogenesis brings together such families of science as Hydraulic retention time and Bioenergy. Kaiqin Xu combines subjects such as Slurry, Biogas, Mesophile and Nuclear chemistry with his study of Hydrogen. Kaiqin Xu works mostly in the field of Anaerobic digestion, limiting it down to concerns involving Egeria densa and, occasionally, Biofuel and Pulp and paper industry.
Waste management, Pulp and paper industry, Anaerobic digestion, Methane and Hydrology are his primary areas of study. His Pulp and paper industry study integrates concerns from other disciplines, such as Fermentation, Biogas and Nitrogen. The various areas that Kaiqin Xu examines in his Fermentation study include Biomass, Hydrogen, Yield and Mesophile.
His Biogas study deals with Food waste intersecting with Effluent. His work in Anaerobic digestion addresses issues such as Grease trap, which are connected to fields such as Long chain fatty acid. His study in the fields of Methanogenesis under the domain of Methane overlaps with other disciplines such as Energy recovery.
His scientific interests lie mostly in Anaerobic digestion, Wastewater, Digestate, Environmental chemistry and Effluent. His Anaerobic digestion study combines topics in areas such as Biomass, Food science and Mesophile. His work deals with themes such as Thermophile, Bromine, Nuclear chemistry, Degradation and Diphenyl ether, which intersect with Mesophile.
His study explores the link between Wastewater and topics such as Pulp and paper industry that cross with problems in Food waste, Total dissolved solids, Sewage, Chemical oxygen demand and Liquid manure. His work investigates the relationship between Digestate and topics such as Biogas that intersect with problems in Biorefinery, Fouling, Biofuel and Membrane fouling. His Effluent study combines topics from a wide range of disciplines, such as Methanosaeta, Methanogenesis, Methanobacterium, Methanogen and Propionate.
Kaiqin Xu mostly deals with High intensity, Total nitrogen, Light intensity, Total phosphorus and Fatty acid. Among his High intensity studies, there is a synthesis of other scientific areas such as High protein, Carbohydrate, Algal species and Ecology.
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Long-term variations in dissolved silicate, nitrogen, and phosphorus flux from the Yangtze River into the East China Sea and impacts on estuarine ecosystem
Maotian Li;Kaiqin Xu;Masataka Watanabe;Zhongyuan Chen.
Estuarine Coastal and Shelf Science (2007)
A pH- and temperature-phased two-stage process for hydrogen and methane production from food waste
Chun Feng Chu;Yu You Li;Kai Qin Xu;Kai Qin Xu;Yoshitaka Ebie.
International Journal of Hydrogen Energy (2008)
Nitrogen removal and N2O emission in a full-scale domestic wastewater treatment plant with intermittent aeration
Yuzuru Kimochi;Yuhei Inamori;Motoyuki Mizuochi;Kai-Qin Xu.
Journal of Fermentation and Bioengineering (1998)
Continuous H2 and CH4 production from high-solid food waste in the two-stage thermophilic fermentation process with the recirculation of digester sludge.
Dong Yeol Lee;Yoshitaka Ebie;Kai Qin Xu;Yu You Li.
Bioresource Technology (2010)
Unraveling the catalyzing behaviors of different iron species (Fe2+ vs. Fe0) in activating persulfate-based oxidation process with implications to waste activated sludge dewaterability.
Guangyin Zhen;Xueqin Lu;Lianghu Su;Takuro Kobayashi.
Water Research (2018)
A critical review on issues and overcoming strategies for the enhancement of dark fermentative hydrogen production in continuous systems
Periyasamy Sivagurunathan;Gopalakrishnan Kumar;Péter Bakonyi;Sang Hyoun Kim.
International Journal of Hydrogen Energy (2016)
Anaerobic co-digestion on improving methane production from mixed microalgae (Scenedesmus sp., Chlorella sp.) and food waste: Kinetic modeling and synergistic impact evaluation
Guangyin Zhen;Xueqin Lu;Takuro Kobayashi;Gopalakrishnan Kumar.
Chemical Engineering Journal (2016)
Analysis of water demand and water pollutant discharge using a regional input–output table: An application to the City of Chongqing, upstream of the Three Gorges Dam in China
Tomohiro Okadera;Masataka Watanabe;Kaiqin Xu;Kaiqin Xu.
Ecological Economics (2006)
Fermentative hydrogen production using lignocellulose biomass: An overview of pre-treatment methods, inhibitor effects and detoxification experiences
Periyasamy Sivagurunathan;Gopalakrishnan Kumar;Ackmez Mudhoo;Eldon R. Rene.
Renewable & Sustainable Energy Reviews (2017)
Flood disaster monitoring and evaluation in China
Jiqun Zhang;Chenghu Zhou;Kaiqin Xu;Masataka Watanabe.
Global Environmental Change Part B: Environmental Hazards (2002)
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