caa a22 4500 606169237 CHVBK 20210128100711.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s10098-014-0883-8 doi (NATIONALLICENCE)springer-10.1007/s10098-014-0883-8 Studies on biogas production from vegetable market wastes in a two-phase anaerobic reactor [Elektronische Daten] [V. Dhanalakshmi Sridevi, T. Rema, S. Srinivasan] The organic fraction of the municipal solid waste is not being properly utilized and is disposed in open dumps which leads to environmental pollution. The vegetable market wastes degrade rapidly than other municipal solid waste. In our earlier report, we concluded that single-stage anaerobic digestion systems could not be operated with higher loading rates for the digestion of vegetable market wastes (VMW). Hence, in this investigation, we proposed anaerobic digestion of VMW in a two-phase semi-continuous anaerobic reactor. In this study, the effect of organic loading rates (OLR) and hydraulic retention time (HRT) in methanogenic reactors was investigated. It was found that the specific biogas production increased with an OLR from 1.5 to 4.5gVS/L/d and decreased with further increase in OLR. Maximum specific biogas production and methane yield of 0.721±0.010L/gVSadd and 0.469LCH4/gVSadd were obtained at OLR of 4.5gVS/L/d and a 25-day HRT in methanogenic reactor. Kinetic parameters of maximum yield and specific growth rate were evaluated by Chen-Hashimoto model. Springer-Verlag Berlin Heidelberg, 2014 Two-phase anaerobic digestion nationallicence Vegetable market waste nationallicence Biogas nationallicence Acidification yield nationallicence Chen-Hashimoto kinetics nationallicence FVW : Fruit vegetable wastes nationallicence MSW : Municipal solid wastes nationallicence VMW : Vegetable market wastes nationallicence LFG : Landfill gas nationallicence HRT : Hydraulic retention time (day) nationallicence OLR : Organic loading rate (gVSL−1d−1) nationallicence TS : Total solids (%) nationallicence VS : Volatile Solids (%) nationallicence VFA : Volatile fatty acids (gL−1) nationallicence S : Effluent substrate concentration (mg/L) nationallicence S o : Influent substrate concentration (mg/L) nationallicence θ : Hydraulic retention time (days) nationallicence k : Dimensionless kinetic constant nationallicence μ max : Maximum specific growth rate per day nationallicence Y : Actual biogas yield at STP (L/gVSadd) nationallicence Y ∞ : Theoretical maximum methane yield at STP (L/gVSadd) nationallicence Dhanalakshmi Sridevi V. GKM College of Engineering & Technology, 600063, Chennai, India aut Rema T. Environmental Technology Division, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, 600020, Chennai, India aut Srinivasan S. Environmental Technology Division, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, 600020, Chennai, India aut Clean Technologies and Environmental Policy Springer Berlin Heidelberg 17/6(2015-08-01), 1689-1697 1618-954X 17:6<1689 2015 17 10098 https://doi.org/10.1007/s10098-014-0883-8 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10098-014-0883-8 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Dhanalakshmi Sridevi V. GKM College of Engineering & Technology, 600063, Chennai, India aut NATIONALLICENCE 700 1- Rema T. Environmental Technology Division, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, 600020, Chennai, India aut NATIONALLICENCE 700 1- Srinivasan S. Environmental Technology Division, CSIR-Central Leather Research Institute (CSIR-CLRI), Adyar, 600020, Chennai, India aut NATIONALLICENCE 773 0- Clean Technologies and Environmental Policy Springer Berlin Heidelberg 17/6(2015-08-01), 1689-1697 1618-954X 17:6<1689 2015 17 10098