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Monitoring: Physic‐Chemical, Microbiological, and Phytotoxic Parameters of Mixed Oil Mill Waste and Green Waste Composts Moistened with Treated Urban Wastewater and Tap Water
Compost Science & Utilization ( IF 1.188 ) Pub Date : 2019-01-02 , DOI: 10.1080/1065657x.2016.1172055
Dhouha Tangour 1 , Hamouda Aichi 2 , Nizar Yeddes 1 , Amel Jrad 3 , Malika Trabelsi‐Ayadi 1
Affiliation  

Abstract In Tunisia, on‐site co‐composting of oil mill waste would overcome environmental issues and valorize renewable resources. The authors' goal was to determine the physic‐chemical and microbiological properties and nutrient supply characteristics of mixed oil mill waste and green waste compost. Two piles of the same raw materials (2/3 oil mill waste–1/3 green waste, w/w) were moistened with two kinds of water: treated urban wastewater (A1) and tap water (A2). Results showed the following: (i) produced compost decreased in C/N from 32 to 12.30 ± 0.89 (A1) and 11 ± 0.89 (A2); (ii) major elements (P and K) were within acceptable limits; (iii) A1 and A2 had potentially lower heavy metal contents than the limits established by the second draft of the Biological Treatment of Biowaste of the European Commission and microbial load values below the limit N FU 44‐051 values; (iv) A1 and A2 had, respectively, 93 and 89.67% as germination index Gl values, which confirmed the composts' maturity and safety; (v) for both composts, A1 and A2, culture potting made up of half compost and half soil revealed the highest bean leaves' number; and (vi) the less richness in minerals and organic compounds of A2 compared to A1 gave better germination results for white wheat and bean leaves' number for A2. Even moistened with treated urban waste water, oil mill wastes proved to be very interesting for co‐composting with green waste.

中文翻译:

监测:混合油厂废物和绿色废物堆肥与经处理的城市废水和自来水的物理化学、微生物学和植物毒性参数

摘要 在突尼斯,油厂废料的现场混合堆肥将克服环境问题并实现可再生资源的价值。作者的目标是确定混合油厂废料和绿色废料堆肥的理化和微生物特性以及养分供应特性。用两种水润湿两堆相同的原材料(2/3 油厂废料 - 1/3 绿色废料,w/w):处理过的城市废水(A1)和自来水(A2)。结果表明:(i) 产生的堆肥 C/N 从 32 降低到 12.30 ± 0.89 (A1) 和 11 ± 0.89 (A2);(ii) 主要元素(P 和 K)在可接受的范围内;(iii) A1 和 A2 的重金属含量可能低于欧盟委员会生物废物生物处理第二稿规定的限值,微生物负荷值低于 N FU 44-051 限值;(iv) A1和A2的发芽指数GI值分别为93%和89.67%,证实了堆肥的成熟度和安全性;(v) 对于 A1 和 A2 两种堆肥,由半堆肥和半土组成的培养盆栽显示出最高的豆叶数;(vi) 与 A1 相比,A2 的矿物质和有机化合物的含量较少,因此 A2 的白小麦和豆类叶子的发芽结果更好。即使用经过处理的城市废水润湿,油厂废物也被证明对于与绿色废物共同堆肥非常有趣。发芽指数GI值分别为93%和89.67%,证实了堆肥的成熟度和安全性;(v) 对于 A1 和 A2 两种堆肥,由半堆肥和半土组成的培养盆栽显示出最高的豆叶数;(vi) 与 A1 相比,A2 的矿物质和有机化合物的含量较少,因此 A2 的白小麦和豆叶数量的发芽结果更好。即使用经过处理的城市废水润湿,油厂废物也被证明对于与绿色废物共同堆肥非常有趣。发芽指数GI值分别为93%和89.67%,证实了堆肥的成熟度和安全性;(v) 对于 A1 和 A2 两种堆肥,由半堆肥和半土组成的培养盆栽显示出最高的豆叶数;(vi) 与 A1 相比,A2 的矿物质和有机化合物的含量较少,因此 A2 的白小麦和豆叶数量的发芽结果更好。即使用经过处理的城市废水润湿,油厂废物也被证明对于与绿色废物共同堆肥非常有趣。(vi) 与 A1 相比,A2 的矿物质和有机化合物的含量较少,因此 A2 的白小麦和豆叶数量的发芽结果更好。即使用经过处理的城市废水润湿,油厂废物也被证明对于与绿色废物共同堆肥非常有趣。(vi) 与 A1 相比,A2 的矿物质和有机化合物的含量较少,因此 A2 的白小麦和豆叶数量的发芽结果更好。即使用经过处理的城市废水润湿,油厂废物也被证明对于与绿色废物共同堆肥非常有趣。
更新日期:2019-01-02
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