Composting of food waste: A novel approach

Anand, M.; Anjali, T.B.; Akhilesh, K.B.; Satheesh, John K.

doi:10.1016/b978-0-12-822933-0.00007-3

Cited by 2 publications

(3 citation statements)

References 25 publications

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“…V1 is the volume of sulfuric acid solution with a molar concentration of 0.05 mol/dm 3 spent on titration of the analyzed solution, cm 3 ; V0 is the volume of sulfuric acid solution with a molar concentration of 0.05 mol/dm 3 consumed for titration in the idle experiment, cm 3 ; 250 is the volume of the initial solution, cm 3 ; V2 is the volume of the analyzed solution taken for distillation, cm 3 ; m is the weight of the subsample, g. The study of the effect of the fermentation process on the indicators of infestation in manure waste and FPW was carried out before and after the fermentation process under thermophilic conditions. After sampling, containers with cattle manure and FPW waste were loaded into a bioreactor.…”

Section: Xenobiotics Of Chemical Origin (Heavy Metals Pesticides)mentioning

confidence: 99%

“…Various methods have been explored to recycle this waste, one of the promising ones being the bioconversion of food waste through Hermetia illucens [2]. In the current technology landscape, diverse equipment types, such as aerated machines employing thermophilic conditions, are being designed to expedite the composting process and produce effective soil additives [3].…”

Section: Introduction 11 Problem Statementmentioning

confidence: 99%

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Impacts of Anaerobic Thermophilic Fermentation on Physicochemical Characteristics of Effluents Derived from Diverse Organic Feedstocks

Bayazitova,

Kurmanbayeva,

Kakabayev

et al. 2023

IJDNE

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The study primarily investigates the chemical and physical properties of effluent produced via anaerobic thermophilic fermentation, aimed at addressing critical agricultural issues such as low soil fertility, diminished crop yields, and soil cover degradation. Raw materials, specifically cattle manure and vegetable food waste, were subjected to anaerobic thermophilic fermentation in a bioreactor. Potentiometric methods were employed to ascertain the acidity index, while the quantification of total nitrogen content was achieved through the wet oxidation of the test sample's organic substances, facilitated by heated sulfuric acid in the presence of catalysts. A widely accepted flotation method was utilized to detect helminth eggs, followed by a quantitative counting process. The study strived to determine the most effective ratios of organic waste components and other factors, thereby ensuring the production of an organic fertilizer with superior physicochemical and microbiological properties. During the thermophilic fermentation process, the total content of major nutritional elements and humus-forming substances remained stable. The outcomes revealed that the anaerobic thermophilic process significantly amplified the concentration of ammonium nitrogen in the fermented biomass (by 40-60%), while the total carbon content decreased (by 15-30%). Furthermore, a decline was observed in dry and organic matter content, and the C/N ratio reduced. An inverse relationship between the effluent's acidity and the content of ammonium nitrogen was noticed. Anaerobic treatment also enhanced the rheological properties of the fertilizers. Compared to pre-fermentation effluent, post-fermentation effluent exhibited a lower total content of suspended solids, fewer large particles, and reduced biomass density. The resulting product, an organic fertilizer, was characterized by high nitrogen and carbon content, absence of pathogenic microflora, and was deemed ready for use.

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Section: Xenobiotics Of Chemical Origin (Heavy Metals Pesticides)mentioning

confidence: 99%

Section: Introduction 11 Problem Statementmentioning

confidence: 99%

Impacts of Anaerobic Thermophilic Fermentation on Physicochemical Characteristics of Effluents Derived from Diverse Organic Feedstocks

Bayazitova,

Kurmanbayeva,

Kakabayev

et al. 2023

IJDNE

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show abstract

“…But the best potential of most vegetable crops is with slightly acidic soil. The only self-regulated pH-controlling strategy is increasing the carbon-to-nitrogen ratio and growing nutrient-solubilizing bacteria into it (Anand et al, 2022). The plant probiotic microbes themselves act as micro-factories, regulating the desired pH and collaborating with the plants to enhance plant growth (Harman et al, 2021).…”

Section: Determination Of Soil Charactersmentioning

confidence: 99%

Plant growth promoting microbes with antibiotic resistance; can that be used together

Lunavath

Bhukya

Swamy³

2022

Preprint

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The antibiotic application reduces the microbial count of pathogenic microbes along with beneficial plant growth promoting bacteria (PGPB). This can be avoided if PGPB has antibiotic resistance. Thirty bacterial isolates were found from nutrient-rich alkaline soil, associated with phosphate and potassium solubilization and IAA production potential. Twelve isolates were shortlisted and the antibiotic sensitivity of the bacterial isolates was tested against eight antibiotics using the disc diffusion technique. Based on various physiological tests, compatibility and 16S rRNA sequence analysis, two PGPB Bacillus megaterium (M-08) and Bacillus aryabhattai (M-24) were identified. Both the isolates were positive for starch hydrolysis, catalase activity, acid and gas production, urease and gelatin liquefaction tests. Isolate (M-20) had the highest PSI of 6.0. M-26 had the highest KSI of 5.6. M-08 and M-24 were antagonistic against phytopathogenic R. solani. The present study indicated the presence of diverse P and K solubilising bacteria in the tomato rhizosphere, with IAA production potential and antibiotic resistance. These bacterial isolates can serve as potential plant growth promoters as they showed an increase in N, P and K uptake in the plant. The research tried to bring up a hypothesis of antibiotic selective plant growth promoters or biocontrol agents and their benefit in acclimatization and establishment in soil despite the microbicidal applications. This method can be used worldwide, to eradicate phytopathogens, while leaving the beneficial PGP microbes in rhizospheres.

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Composting of food waste: A novel approach

Cited by 2 publications

References 25 publications

Impacts of Anaerobic Thermophilic Fermentation on Physicochemical Characteristics of Effluents Derived from Diverse Organic Feedstocks

Impacts of Anaerobic Thermophilic Fermentation on Physicochemical Characteristics of Effluents Derived from Diverse Organic Feedstocks

Plant growth promoting microbes with antibiotic resistance; can that be used together

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