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Quality and Possibilities of Use of Stabilized Sludge Compost Obtained by Inoculation with Geocell‐1 Consortium
Clean - Soil Air Water ( IF 1.7 ) Pub Date : 2019-10-01 , DOI: 10.1002/clen.201900023
Gellért Gligor 1 , Tamás Szolnoky 2 , Milana Drašković 3 , Nenad Đurić 4 , Zdravko Hojka 4 , Jelena Bošković 5 , Milena Žuža 4
Affiliation  

Anaerobically stabilized sludge from wastewater treatment is always a challenge from the environmental aspect of management. The agrarian environmental surroundings present a possibility for swift and efficient utilization of compost from anaerobically stabilized sludge in order to increase the quality of the biological product. With intensification of the composting procedure by means of the microbiological consortium Geocell‐1 (Cellvibrio sp., Pseudomonas fluorescens with the addition of micro‐ and macro‐elements), the results show that the compost obtained from stabilized sludge after inoculation is significantly improved in terms of moisture reduction (39–43%), while in the control compost, this value is significantly higher with 61%. The results of the pathogenic effect show a significant reduction in the number of fecal coliform (<1 × 103) and Enterococcus bacteria (<1 × 104) in the inoculated (treated) compost. With a slight decrease in the concentration of limiting factors such as As, Cd, Cu, a quality biological product can be achieved, which can be safely deposited on soil. The phytotoxicological germination test with white mustard (Sinapis alba) shows a higher number of sprouting plants with a mixture of treated compost and standard soil for flowers 1:1 and 1:4 compared to the control group.

中文翻译:

通过接种Geocell-1财团获得的稳定污泥堆肥的质量和可能性

废水处理中的厌氧稳定污泥始终是管理环境方面的挑战。农业环境环境为快速有效地利用厌氧稳定污泥中的堆肥提供了可能性,以提高生物产品的质量。通过微生物联合体Geocell -1(Cellvibrio sp。,Pseudomonas fluorescens)加强堆肥程序结果表明,接种后从稳定污泥获得的堆肥在减少水分方面得到了显着改善(39-43%),而在对照堆肥中,该值明显更高占61%。致病作用的结果表明,接种(处理过的)堆肥中粪便大肠菌群(<1×10 3)和肠球菌(<1×10 4)的数量显着减少。随着诸如As,Cd,Cu等限制因子浓度的略微降低,可以获得高质量的生物产品,可以安全地沉积在土壤上。白芥菜(Sinapis alba)的植物毒理学发芽试验)显示出与对照组相比,使用处理过的堆肥和标准土壤的混合物以1:1和1:4的花朵开花的发芽植物数量更多。
更新日期:2019-10-01
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