Biological solubilization and mineralization as novel approach for the pretreatment of food waste

Gonzales, Hazel Bantolino; Takyu, Kazunori; Sakashita, Hideki; Nakano, Yoichi; Nishijima, Wataru; Okada, Minoru

doi:10.1016/j.chemosphere.2004.08.092

Cited by 26 publications

(20 citation statements)

References 17 publications

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“…However, available sites for landfill are lacking and incineration of high-water-containing food wastes requires a large amount of energy. Some researchers have mentioned that treating food wastes in a waste water treatment plant may be more effective due to the high water content instead of it being treated as solid waste (Gonzales et al, 2005).…”

Section: Statement Of the Problemmentioning

confidence: 99%

“…Ready-to-eat packaged food (PRE) has Ash 5%, Total lipid (fat) 9%, Protein 20%, Carbohydrates 66%, Starch 52%, Glycerol 1%, Fiber 1% and Total Sugars, 12% (Davis, 2008). Representative Asian food waste has been found to have the following composition on dry weight basis: Vegetables (Cabbage18%, Carrot 18%), Fruits (Apple 14%, Banana16%), Meat (Fried Chicken 10%), Rice 10%, Egg 10%, Used Tea 4%) (Gonzales et al, 2005). Food waste in Thailand contains substantial amounts of pork and fish and food waste in Thailand has a rice content much higher than the 10% reported by Gonzales, et al (2005).…”

Section: Food Wastementioning

confidence: 99%

“…Many different methods have been investigated for dealing with food waste including, anaerobic digestion, on-site composting, fermentation by continuous-flow reactor, hybrid anaerobic solid-liquid, anaerobic digestion using bacteria, digestion using yeast, biological solubilization and mineralization (Crine et al, 2006;Hwang et al, 2002;Han and Shin, 2002;Stabikova et al, 2008;Zhang et al, 2007;Gonzales et al, 2005). There are some low technology methods for recycling food waste such as direct use as fertilizer or feeding it to pigs or poultry.…”

Section: Food Wastementioning

confidence: 99%

“…Representative Asian food waste has been found to have the following composition on dry weight basis: Vegetables (Cabbage18%, Carrot 18%), Fruits (Apple 14%, Banana16%), Meat (Fried Chicken 10%), Rice 10%, Egg 10%, Used Tea 4%) (Gonzales et al, 2005). Food waste in Thailand contains substantial amounts of pork and fish and food waste in Thailand has a rice content much higher than the 10% reported by Gonzales, et al (2005). Such data can be used to estimate the character of food waste and the effectiveness of treatment process in a reactor system.…”

Section: Food Wastementioning

confidence: 99%

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Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Mekjinda

Ritchie

2015

Waste Management

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Section: Statement Of the Problemmentioning

confidence: 99%

Section: Food Wastementioning

confidence: 99%

Section: Food Wastementioning

confidence: 99%

Section: Food Wastementioning

confidence: 99%

See 2 more Smart Citations

Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Mekjinda

Ritchie

2015

Waste Management

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“…The separate disposal and treatment of food waste, however, usually requires large sites and substantial capital and operational costs. Some studies reported that food waste could be actually effectively treated in WWTFs because it contains high water content [1]. Use of food waste disposers and on-site treatment, especially for small-decentralized apartments and communities, can be an interesting option to manage the high-strength organic waste stream [2].…”

Section: Introductionmentioning

confidence: 99%

Performance and Fouling in Pre-Denitrification Membrane Bioreactors Treating High-Strength Wastewater from Food Waste Disposers

Lee

Kim

et al. 2017

Water

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Abstract:The study investigated the performance of the pre-denitrification membrane bioreactor (MBR) process to treat high-strength wastewater generated from food waste disposals. Extracellular polymeric substances (EPS) as membrane foulant and microbial community profiles were analyzed under different hydraulic retention time (HRT) operation conditions. The pre-denitrification MBR was effective for treating food wastewater with high chemical oxygen demand (COD)/N resulting in high total nitrogen (TN) removal efficiency. The operational data showed that effluent qualities in terms of COD, TN, and TP improved with longer HRT. However, membrane fouling potential as shown by specific membrane fouling rate and specific resistance to filtration (SRF) increased as HRT increased. The longer HRT conditions or lower influent loading led to higher levels of bound EPS while HRT did not show large effects on the level of soluble microbial products (SMP). The restriction fragment length polymorphism (RFLP) analysis showed similar microbial banding patterns from the sludges generated under different HRT conditions, indicating that HRT had minimal effects on the composition of microbial communities in the system. All these results suggest that the MBR with pre-denitrification is a feasible option for treating high-strength food wastewater and that different HRT conditions could affect the operational performance and the fouling rate, which is governed via changes in microbial responses through EPS in the system.

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Production and characterization of β‐glucosidase from Aspergillus niger fermentation: Application for organic fraction of municipal solid waste hydrolysis and methane enhancement

Mlaik

Sayadi

Hamza

et al. 2019

Biotechnology Progress

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The anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) is currently an attractive treatment process with energy production in the form of biogas. Hydrolysis is the rate-limiting step for the anaerobic digestion of solid wastes.Thus, in the present study fungal enzymatic pretreatment of OFMSW was applied to enhance biogas production. Two enzyme cocktails rich on β-glucosidase were produced from submerged fermentation of Aspergillus niger on basal medium using OFMSW as carbon source and urea (Urea cocktail) and Ulva rigida as nitrogen source (Ulva cocktail). Ulva cocktail displayed an important effect on OFMSW solubilization. Therefore, an increase of reducing sugar concentration about 60% was obtained which was in correlation with chemical oxygen demand (COD) increase. The performance of enzymatic pretreatment on anaerobic digestion of OFMSW was studied by conducting biochemical methane potential tests. Results showed that the enzymatic pretreatment improved methane yield of OFMSW even at high solid concentration.High methane yield about 500 ml/g total volatile solid was obtained, which corresponds up to 68% enhancement over the control. K E Y W O R D Sanaerobic digestion, enzymatic hydrolysis, enzyme cocktail, methane yield, organic fraction of municipal solid waste

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Biological solubilization and mineralization as novel approach for the pretreatment of food waste

Cited by 26 publications

References 17 publications

Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Breakdown of food waste by anaerobic fermentation and non-oxygen producing photosynthesis using a photosynthetic bacterium

Performance and Fouling in Pre-Denitrification Membrane Bioreactors Treating High-Strength Wastewater from Food Waste Disposers

Production and characterization of β‐glucosidase from Aspergillus niger fermentation: Application for organic fraction of municipal solid waste hydrolysis and methane enhancement

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