Yu Yang Qin

Long-term responses to caproic acid in anaerobic digestion systems: Methanogenic enhancement, extracellular polymer dynamics and microbial metabolic remodeling

Haojie Qin, Ruixin Wu, Yuki Yamamoto, Ming Zhu et autres

Caproic acid (CA)-rich waste streams generated during chain elongation severely inhibit methanogenesis, posing a major challenge for anaerobic digestion (AD) systems. However, the long-term physicochemical and microbial adaptation processes that sustain methanogenesis under prolonged CA stress remain poorly understood. Here, the physicochemical …

jp (code pays fourni par la source)

Comparison between thermophilic-mesophilic two-phase and thermophilic single-phase process in anaerobic digestion of rice straw: Biomethane production, energy balance and microbial structure

Qingkang Zeng, Ryoya Watanabe, Juntong Ha, Tsunehisa Tanaka et autres

To fill the research gap in two-phase anaerobic digestion (TPAD) of rice straw, this study assessed the performance of a thermophilic–mesophilic TPAD system over 180 days in terms of methane production, energy balance, and microbial community structure and compared it with a …

jp (code pays fourni par la source)

Optimization of recirculation ratio for biohythane production by two-phase anaerobic co-digestion of high-solid food waste and paper waste

Qingkang Zeng, Juntong Ha, Yuanyuan Ren, Yu‐You Li et autres

The recirculated two-phase anaerobic digestion ( R -TPAD) system has gradually replaced the conventional TPAD configuration, emerging as a stable and efficient strategy for biohythane production. However, inappropriate recirculation ratios ( R ) may cause either incomplete organic conversion or insufficient phase …

jp, cn (code pays fourni par la source)

Assessing biomass retention-driven enhancement of bioenergy and nutrient recovery potential in anaerobic membrane bioreactors for sustainable sewage sludge management

Haojie Qin, Shenghao Ji, Rui‐Xin Wu, Yuki Yamamoto et autres

Sustainable management of sewage sludge (SewS) requires efficient strategies for energy recovery and nutrient reutilization. An anaerobic membrane bioreactor (AnMBR) and a continuous stirred tank reactor (CSTR) were operated to evaluate the advantages of membrane-integrated systems in SewS management. The AnMBR achieved …

jp (code pays fourni par la source)

Fouling dynamics varied by filtration cycles in high-solid anaerobic membrane bioreactors for sewage sludge treatment

Haojie Qin, Ming Zhu, Shenghao Ji, Rui‐Xin Wu et autres

Anaerobic membrane bioreactors (AnMBRs) are highly effective in treating sewage sludge (SewS) by promoting the rate-limiting hydrolysis process through biosolids concentration. The treatment of SewS in this study by the high-solid AnMBR achieved an exceptional COD removal efficiency of 99.1 % and …

jp (code pays fourni par la source)

Mass flow and microbial shifts in recirculated two-phase anaerobic digestion for biohythane production: Effect of hydraulic retention time

Yu Yang Qin, Aijun Zhu, Jing Wu, Lu Li et autres

Biohythane, the promising gaseous biofuel, can be produced by the recirculated two-phase anaerobic digestion (R-TPAD). The effect of hydraulic retention time (HRT) as 30, 20 and 10 days on biohythane production via R-TPAD (recirculation ratio = 0.4) was investigated with co-digestion of …

jp, cn (code pays fourni par la source)

Biomethane recovery and prokaryotic shifts in anaerobic co-digestion of food waste and paper waste in organic fraction of municipal solid waste: Effect of paper content

Lu Li, Yi Bu, Feng Wen, Kengo Kubota et autres

Biomethane recovery from paper waste (PW) was achieved by mesophilic co-digestion with food waste. The feeding material containing 0%, 20%, 40% and 50% of PW in total solids (TS) were investigated in the long-term continuous operation. The results showed that the biogas …

jp, cn (code pays fourni par la source)

Biomethane Recovery and Prokaryotic Shifts in Anaerobic Co-Digestion of Food Waste and Paper Waste in Organic Fraction of Municipal Solid Waste: Effect of Paper Content

Lu Li, Yi Bu, Feng Wen, Kengo Kubota et autres

jp (code pays fourni par la source)

Observation of $η^{\prime}\toωe^{+} e^{-}$

Mikhail N. Achasov, X. Ai, O. Albayrak, M. Albrecht et autres

Based on a sample of \etapr mesons produced in the radiative decay $J/ψ\toγη^{\prime}$ in $1.31\times 10^9$ $J/ψ$ events collected with the BESIII detector, the decay $η^{\prime}\toωe^{+} e^{-}$ is observed for the first time, with a statistical significance of $8σ$. The branching fraction …

Research on Applications of Grid Technology in Railway Information Service

Yu Yang Qin, Xi Fu Wang

In view of the new requirement of railway information service, such as information sharing, collaboration, etc. which occurred during the development of railway information construction, Grid computing was introduced into the field of railway information service, which analyzed the development trend of …

cn (code pays fourni par la source)

Research on Railway Information Service Architecture Based on Grid

Yu Yang Qin, Xi Fu Wang

In order to meet the demand for railway information service, Discussed the grid connotation and the theory of grid architecture, used Service-Oriented idea, the architecture of railway information service was proposed in the grid environment, the level of architecture was determined, Meanwhile …

cn (code pays fourni par la source)

Exchange graphs and stability conditions for quivers

Yu Yang Qin