Production of cost affordable organic manure using institutional waste by rapid composting method

Geethamani, R.; Soundara, B.; Kanmani, S.; Jayanthi, V.; Subaharini, T.R.; Sowbiyalakshmi, V.; Sowmini, C.

doi:10.1016/j.matpr.2020.02.803

Cited by 8 publications

(4 citation statements)

References 14 publications

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“…Pistachio dehulling waste due to its high perishability, if not disposed of hygienically, will cause environmental pollution (Ahanchi et al 2018). Using continuous chemical fertilizers in agricultural lands, by changing the properties of the soil, leads to soil contamination and soil contamination in turn causes erosion of agricultural lands (Geethamani et al 2020). Sewage sludge contains valuable sources of organic matter and nutrients (Rashad et al 2010).…”

Section: Introductionmentioning

confidence: 99%

Comparison and toxicity assessment of co-composting process by pistachio wastes and date-palm straw combined with municipal sewage sludge

Parizi

Mokhtari

Eslami

et al. 2022

Biomass Conv. Bioref.

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This study aimed to toxicity evaluate and compare the new co-composting process of pistachio dehulling waste combined with municipal sewage sludge (PW + SS) and date-palm straw combined with municipal sewage sludge (PS + SS). The process was evaluated over a 60-day period. During the process, physicochemical parameters (temperature, humidity, pH, electrical conductivity (EC), carbon to nitrogen ratio (C/N), ash and organic carbon (OC)), microbial indicators (parasite eggs, salmonella, E. coli), heavy metals (copper, zinc, Iron, manganese, lead, cadmium, nickel), and germination index were measured. The results showed that in the PW + SS reactor the maximum temperature reached 59°C on the 32th day and in the PS + SS reactor reached 39°C on 18th day. The pH level in PW + SS reached a minimum of 3.2 on the 14th day and then increased and nally reached a maximum of 9.5. The pH level in PS + SS had an increasing trend and nally reached 7.1. Ash percentage had an increasing trend in PW + SS and nally reached 27.5 and reached 19.1 in PS + SS (p = 0.038). EC, C/N and OC in both reactors had a signi cant decreasing trend. E. coli microbial indicator in both reactors decreased from ≥ 10 5 to zero at the end of the process. The amounts of heavy metals in both reactors had an increasing trend and were within the standard range. Toxicity assessment showed that the PS + SS compost was 100% in all concentrations and the PW + SS compost reached 100% by dilution; therefore, the product of PS + SS was less toxic than the product of PW + SS.

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Section: Introductionmentioning

confidence: 99%

Comparison and toxicity assessment of co-composting process by pistachio wastes and date-palm straw combined with municipal sewage sludge

Parizi

Mokhtari

Eslami

et al. 2022

Biomass Conv. Bioref.

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show abstract

“…It is necessary to preserve nutrients in some fertilizers during their mineralization (manure, etc.) and to improve nutrients' accessibility in a more complex ones like peat, straw or other inert organic (Geethamani et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Investigation of Substrate Mixing Process in Rotating Drum Reactor

Golub

Цивенкова

Holubenko

et al. 2021

INMATEH

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The results of the research on the influence of the drum type reactor design-technological parameters and the substrate`s physical-chemical parameters on the substrate`s components mixing evenness, that influence the quality of the received compost, are presented in this paper. By the method of the multifactor experiment rational values of the drum rotation speed, the blades (mounted on the inner drum surface) angle and the substrate`s moisture content are defined at which the components distribution homogeneity in the substrate reaches maximal value. The abovementioned, in turn, provides high compost quality by the agrichemical indices. The recommendations are given to pick the design parameters and operational modes of the drum type reactor.

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“…Structural success in the design of equipment to produce compost and a thorough study of the technology for making compost from organic raw materials indicate that this issue is given considerable attention to by modern technical research [3]. However, there are a series of technical issues that, given a lack of proper mathematical justification confirmed by the results from experimental studies, do not make it possible to obtain the expected results from the use of the specified technology [4].…”

Section: Introductionmentioning

confidence: 99%

“…One of the significant drawbacks in the process of composting organic raw materials is its low efficiency [3,4]. The issue of improving the efficiency of the process of compost production has been tackled by using both manufacturing [5,6] and structural methods [7].…”

Section: Introductionmentioning

confidence: 99%

Determining of the influence of reactor parameters on the uniformity of mixing substrate components

Golub¹,

Trehub²,

Holubenko³

et al. 2020

EEJET

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Production of cost affordable organic manure using institutional waste by rapid composting method

Cited by 8 publications

References 14 publications

Comparison and toxicity assessment of co-composting process by pistachio wastes and date-palm straw combined with municipal sewage sludge

Comparison and toxicity assessment of co-composting process by pistachio wastes and date-palm straw combined with municipal sewage sludge

Investigation of Substrate Mixing Process in Rotating Drum Reactor

Determining of the influence of reactor parameters on the uniformity of mixing substrate components

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