Utilization of organic community wastes towards deriving sustainable renewable energy and adequate disposal of the residual has been an important topic of investigation. Anaerobic digestion and co-digestion of rice-derived food waste and animal manure for sustainable biogas generation is crucial from the view-point of community consumption. This paper presents an extensive review of the important and recent contributions in the related areas. The critical physico-chemical parameters involved in such digestion process are analyzed, including temperature, carbon–nitrogen ratio, microorganisms, pH, substrate characteristics, organic loading rate, hydraulic retention time, volatile fatty acids, ammonia, and light/heavy metal ions. Studies implied that the optimum yield of biogas production could be achieved only when the values of the parameters exist in the specific ranges. Few recent studies highlighted the use of emerging techniques including micro-aerobic system, additives, laser radiation, bio-electrochemical field, among others for efficiency enhancement of the digestion process and optimum yield. The entire study provided a set of important conclusions and future research directives are as well proposed.

中文翻译：

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水稻源性餐厨垃圾和动物粪便厌氧消化的影响因素综合评价


利用有机社区废物获得可持续的可再生能源和充分处置残留物一直是一个重要的研究主题。从社区消费的角度来看，对大米衍生的食物垃圾和动物粪便进行厌氧消化和共消化以实现可持续沼气的产生至关重要。本文对相关领域的重要和最新贡献进行了广泛的回顾。分析了这种消化过程中涉及的关键物理化学参数，包括温度、碳氮比、微生物、pH 值、底物特性、有机负载速率、水力保留时间、挥发性脂肪酸、氨和轻/重金属离子。研究表明，只有当参数值存在于特定范围内时，才能实现沼气生产的最佳产量。最近的一些研究强调了新兴技术的使用，包括微需氧系统、添加剂、激光辐射、生物电化学场等，以提高消化过程的效率和最佳产量。整个研究提供了一系列重要的结论，并提出了未来的研究方向。