title: Water state changes during the composting of kitchen waste.
abstract: Changes in water states during the composting of kitchen waste were determined. Three experiments, R(55), R(60), and R(65), with different initial moisture contents, 55%, 60%, and 65%, respectively, were performed. Three water states, entrapped water (EW), capillary water (CW), and multiple-molecular-layer water (MMLW), were monitored during the experiments. Changes only occurred with the EW and CW during the composting process. The percentage of EW increased, and the percentage of CW decreased as the composting process progressed. The R(60) experiment performed better than the other experiments according to changes in the temperature and carbon-to-nitrogen ratio (C/N). The percentage of EW correlated well (P<0.05) with the dissolved organic carbon content (DOC), electrical conductivity (EC), pH, and C/N, and was affected by the hemicellulose and cellulose contents.
authors: Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China.
authors: Dong-Sheng
authors: DS
authors: Shen
authors: Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China; Zhejiang Lantu Environmental Protection Co., Ltd, Hangzhou 310014, PR China.
authors: Yu-Qiang
authors: YQ
authors: Yang
authors: Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China.
authors: Huan-Lin
authors: HL
authors: Huang
authors: College of Quality and Safety Engineering, China Jiliang University, Hangzhou 310018, PR China.
authors: Li-Fang
authors: LF
authors: Hu
authors: Zhejiang Provincial Key Laboratory of Solid Waste Treatment and Recycling, School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, PR China. Electronic address: longyy@zjgsu.edu.cn.
authors: Yu-Yang
authors: YY
authors: Long
mesh_terms: D005735:Garbage; D059027:Recycling; D012037:Refuse Disposal; D062611:Solid Waste / Q000032:analysis*; D014867:Water / Q000032:analysis*
chemical_list: D062611:Solid Waste; D014867:Water
keywords: Composting; Kitchen waste; Principal component analysis; Water state