Nguyen Thanh Dam, Nguyen Canh Viet, Phùng Thị Vĩ, Nguyen Manh Huy, Ta Thi Thao, Duong Hong, Anh, J. Vasel, Pham Hung Viet
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引用次数: 0
摘要
堆肥稳定性是一项重要的质量指标,在将堆肥用作有机肥料之前需要对其进行测定。在这项工作中,成功开发了一种基于耗氧量(OC)方法的新型堆肥稳定性评估设备。该原型的设计旨在有效解决基于相同概念的市售设备(Oxitop 设备)的固有局限性。在实验室中对该设备的性能进行了评估,以确定两种不同类型堆肥样本(食物垃圾和绿色堆肥)的氧气消耗量。数据显示,该设备在测试过程中工作稳定、准确。在两种样品中,厨余堆肥的 AT4 值和 OCmax 值较高,但 K 值较低。根据欧盟的相关规定,这两种样品都被认为是稳定的。
Design, development and evaluation of novel equipment for compost stability tests
Compost stability is a significant quality indicator that needs to be determined before using compost as an organic fertiliser. In this work, a novel device for assessing compost stability based on the oxygen consumption (OC) method was successfully developed. The design of this prototype was created to effectively solve inherent limitations observed in commercially available equipment functioning on the same concept (Oxitop devices). The performance of the device was evaluated in the laboratory to determine the OC of two different types of compost samples (food waste and green compost). The data indicated that the device worked stably and accurately during the test. Between the two types of samples, the compost based on food waste had higher AT4 and OCmax values but with lower K values. According to the EU regulations, both types of samples were considered stable.