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- Title
THE EFFECT OF FERMENTATION OF ORGANIC SOLID WASTE WITH C:N RATIOS WITH PHOSPHATE ROCK REINFORCEMENT ON ITS BIO-RECYCLING.
- Authors
Jweer, Khamees Allawi; Abed, Idham Ali; AL-Falahi, M. N. A.
- Abstract
A solid waste of organic materials was collected from the residential neighborhoods of Ramadi during 2017. To convert these wastes into valuable organic fertilizers resources that reduces their negative impacts. The study included two mixtures of collected solid waste of organic materials. The first mixture, involved preparing sample has Carbone over nitrogen ration of 40:1 prepared from the collected organic materials. While the second mixture had C/N of 30:1 by supporting the mixture with urea. The prepared mixtures were inoculated as percentage of its weight w/w with 5%((organic waste: soil) using agricultural soil taken from 60 cm depth and the fermentation was completed aerobically for 40 days. The second stage of fermentation included application of 0,10 and 20 % of phosphate rock to the products of the first stage of fermentation. The results show reducing the concentration of carbon and increasing the concentration of nitrogen in the components of the mixtures. Regarding the interaction treatment of 30:1(C/N) with 20% RP recorded the lowest carbon concentration and the highest amount of fulvic acid 342 and 13.3 g. kg-1 respectively, the same mixture with no phosphate application gave the highest rate of N and humic acid reached 29.9 and 24.2 g. kg-1, respectively. The interaction treatment of 30:1 with 20% gave the highest average density of phosphate-dissolving bacteria reached 6.25 Logcfu.g-1, while 40: 1 with 10% RP gave the highest number of BFN bacteria reached 6.75 Logcfu.g-1. However, 40: 1 with no phosphate application gave the highest rate of formation of phenolic acids reached 8.8 g.kg-1, while the highest average amount of dissolved phosphorous was 9.69 g. kg-1 obtained from the treatment of 30:1 treated with 20% RP.
- Subjects
RAMADI (Iraq); SOLID waste; PHOSPHATE rock; WASTE products; NEIGHBORHOODS; FERMENTATION; ORGANIC wastes; WASTE recycling
- Publication
Biochemical & Cellular Archives, 2022, Vol 22, Issue 2, p3559
- ISSN
0972-5075
- Publication type
Article
- DOI
10.51470/bca.2022.22.2.3559