Department of Chemistry, Indian Institute of Technology Roorkee (IITR), Roorkee, India.
Water Sci Technol. 2012;65(10):1817-25. doi: 10.2166/wst.2012.082.
High rate composting studies of hard to degrade herbal wastes were conducted in a 3.5 m(3) capacity rotary drum composter. Studies were spread out in four trials: In trial 1 and 2, one and two turns per day rotation was observed, respectively, by mixing of herbal industry waste with cattle (buffalo) manure at a ratio of 3:1 on wet weight basis. In trial 3 inocula was added in raw waste to enhance the degradation and in trial 4 composting of a mixture of vegetable market waste and herbal waste was conducted at one turn per day. Results demonstrated that the operation of the rotary drum at one turn a day (trial 1) could provide the most conducive composting conditions and co-composting (trial 4) gave better quality compost in terms of temperature, moisture, nitrogen, and Solvita maturity index. In addition a FT-IR study also revealed that trial 1 and trial 4 gave quality compost in terms of stability and maturity due to the presence of more intense peaks in the aromatic region and less intense peaks were found in the aliphatic region compared with trial 2 and trial 3.
采用 3.5m³ 容量的转筒式堆肥机对难降解草药废物进行了高降解率堆肥研究。研究分四批进行：在第 1 批和第 2 批试验中，通过将草药行业废物与牛（水牛）粪便以湿重比 3:1 的比例混合，分别观察到每天 1 次和 2 次的旋转。在第 3 批试验中，在原料废物中添加接种物以增强降解，在第 4 批试验中，每天进行一次旋转，对蔬菜市场废物和草药废物的混合物进行堆肥。结果表明，每天转一转（第 1 批试验）的转筒式堆肥机操作可以提供最有利的堆肥条件，而共堆肥（第 4 批试验）在温度、水分、氮和 Solvita 成熟指数方面可以提供更好质量的堆肥。此外，FT-IR 研究还表明，由于在芳香区存在更多强烈的峰，而在脂肪区发现的峰较弱，与第 2 批和第 3 批试验相比，第 1 批和第 4 批试验在稳定性和成熟度方面都能提供优质堆肥。
