有机废物的好氧堆肥,替代性高效固体废物管理解决方案

IF 0.4 Q4 ENVIRONMENTAL SCIENCES
R. I. Abbas, Hussein M. Flayeh
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引用次数: 0

摘要

堆肥工艺涉及对有机废物进行处理,以获得稳定的清洁产品,它已成为从家庭到大型废物处理厂等任何规模的越来越理想的选择。堆肥是管理可生物降解废物的一种替代填埋方法,同时还能增加或保存土壤中的有机物,减少固体废物,降低处理成本。堆肥产品可改善土壤状况,减少水土流失,并有助于减少植物病害,同时不会对环境造成不利影响。本研究旨在以经济和生态可持续的方式,将有机废物转化为对社区有用的资源,从而生产出高质量的堆肥,作为一种固体废物管理方法。我们通过控制操作过程参数,包括监测堆肥过程中的 pH 值、温度、电导率(EC)、碳氮比(C/N)和水分含量,研究了好氧堆肥的潜力。我们使用 60 升生物反应器研究了堆肥过程中的物理化学和生物变化。堆肥过程确定的平均 pH 值介于 6.9 和 7.8 之间,并显示总有机碳从 26.18 降至 22.19。此外,堆肥过程监测显示,前三天的最高温度上升了 69 °C,20 天后气温有所下降。NH4+/NO3 比率硝化总氮降至 1.4 以下,C/N 比率堆肥从 20.75 降至 10.035。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Aerobic Composting of Organic Waste, Alternative and an Efficient Solid Waste Management Solution
The process of composting which involves the treatment of organic wastes to obtain a stable clean product, has become an increasingly desirable choice, at any scale from home to large waste treatment plants. Composting serves as an alternative to landfilling for managing biodegradable waste while also increasing or preserving soil organic matter, decreasing solid waste, and reducing disposal costs. The compost product improves the condition of the soil, reduces erosion, and helps reduce plant diseases without having adverse impacts on the environment. This study aims to manufacture high-quality compost as a solid waste management method by converting organic waste into a useful resource for the community in a financially and ecologically sustainable manner. We investigated the potential of aerobic composting by controlling the operation process parameters, including monitoring the pH value, temperature, electrical conductivity (EC), carbon-to-nitrogen ratio (C/N), and moisture content during the composting. We studied the physiochemical and biological changes of composting using a 60-liter bioreactor. The composting process determined an average pH value between 6.9 and 7.8, and it revealed a decrease in TOC from 26.18 to 22.19. Additionally, compost process monitoring indicated a maximum temperature rise of 69 °C over the first three days, and then a decrease after 20 days of air temperature. Total nitrogen in the NH4+/NO3-ratio nitrification decreased to less than 1.4, and the compost in the C/N ratio decreased from 20.75 to 10.035 and setting quality criteria by comparing the final product quality produced through the in-vessel composting.
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来源期刊
CiteScore
1.00
自引率
20.00%
发文量
80
期刊介绍: Asia, as a whole region, faces severe stress on water availability, primarily due to high population density. Many regions of the continent face severe problems of water pollution on local as well as regional scale and these have to be tackled with a pan-Asian approach. However, the available literature on the subject is generally based on research done in Europe and North America. Therefore, there is an urgent and strong need for an Asian journal with its focus on the region and wherein the region specific problems are addressed in an intelligent manner. In Asia, besides water, there are several other issues related to environment, such as; global warming and its impact; intense land/use and shifting pattern of agriculture; issues related to fertilizer applications and pesticide residues in soil and water; and solid and liquid waste management particularly in industrial and urban areas. Asia is also a region with intense mining activities whereby serious environmental problems related to land/use, loss of top soil, water pollution and acid mine drainage are faced by various communities. Essentially, Asians are confronted with environmental problems on many fronts. Many pressing issues in the region interlink various aspects of environmental problems faced by population in this densely habited region in the world. Pollution is one such serious issue for many countries since there are many transnational water bodies that spread the pollutants across the entire region. Water, environment and pollution together constitute a three axial problem that all concerned people in the region would like to focus on.
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