title: Rapid production of organic fertilizer by dynamic high-temperature aerobic fermentation (DHAF) of food waste.
abstract: Keep composting matrix in continuous collision and friction under a relatively high-temperature can significantly accelerate the progress of composting. A bioreactor was designed according to the novel process. Using this technology, organic fertilizer could be produced within 96h. The electric conductivity (EC) and pH value reached to a stable value of 2.35mS/cm and 7.7 after 96h of fermentation. The total carbon/total nitrogen (TC/TN) and dissolved carbon/dissolved nitrogen (DC/DN) ratio was decrease from 27.3 and 36.2 to 17.4 and 7.6 respectively. In contrast, it needed 24days to achieve the similar result in traditional static composting (TSC). Compost particles with different size were analyzed to explore the rapid degradation mechanism of food waste. The evidence of anaerobic fermentation was firstly discovered in aerobic composting.
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Yang
authors: Y
authors: Jiang
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China. Electronic address: jumeit@nankai.edu.cn.
authors: Meiting
authors: M
authors: Ju
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Weizun
authors: W
authors: Li
authors: Tianjin Baili Sun Environmental Protection Equipment Co., Ltd, Tianjin 300071, PR China.
authors: Qingbin
authors: Q
authors: Ren
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Le
authors: L
authors: Liu
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Yu
authors: Y
authors: Chen
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Qian
authors: Q
authors: Yang
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Qidong
authors: Q
authors: Hou
authors: College of Environmental Science and Engineering, Nankai University, Tianjin 300071, PR China.
authors: Yiliang
authors: Y
authors: Liu
mesh_terms: D000332:Aerobiosis; D019149:Bioreactors; D005285:Fermentation; D005308:Fertilizers; D005502:Food; D012037:Refuse Disposal / Q000379:methods*; D062611:Solid Waste; D013696:Temperature
chemical_list: D005308:Fertilizers; D062611:Solid Waste
keywords: Aerobic; Dynamic; Fertilizer; Food waste; High-temperature