Evaluating the environmental and economic impact of fruit and vegetable waste valorisation: The lettuce waste study-case

Plazzotta, Stella; Cottes, Mattia; Simeoni, Patrizia; Manzocco, Lara

doi:10.1016/j.jclepro.2020.121435

Cited by 46 publications

(18 citation statements)

References 32 publications

(26 reference statements)

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“…The DM content (Table 2) ranged between 5 and 24%, depending on the fruit type. Yen et al (2017) and Plazzotta et al (2020) mention that this type of waste generates significant environmental problems due to its high moisture content and biodegradability, complicating its transportation. Despite the extensive and constant research on the management of fruit and vegetable waste, their main destination is represented by landfills, composting, anaerobic digestion, and carbonization (Yen et al, 2017;Dos Santos et al, 2020;Plazzotta et al, 2020).…”

Section: Resultsmentioning

confidence: 99%

“…Yen et al (2017) and Plazzotta et al (2020) mention that this type of waste generates significant environmental problems due to its high moisture content and biodegradability, complicating its transportation. Despite the extensive and constant research on the management of fruit and vegetable waste, their main destination is represented by landfills, composting, anaerobic digestion, and carbonization (Yen et al, 2017;Dos Santos et al, 2020;Plazzotta et al, 2020). Based on the DM, OM, and CP content of the fruit and vegetable waste analyzed in this study (Table 2) and considering that this type of waste is rich in fiber, vitamins, and minerals (Gómez and Schwentesius, 1997;Cedillo-Portugal and Anaya-Rosales, 2018), subjecting it to a silage-making process represent a valuable strategy with environmental and economic advantages (income from the sale of value-added products).…”

Section: Resultsmentioning

confidence: 99%

“…Data on the amount of fruit and vegetable waste generated by food processing, such as in juice and cocktail making, is limited to zero. Plazzotta et al (2020) estimate that fruit and vegetable waste represent 60% of the annual food waste generated worldwide; this amount is continuously increasing and requires implementing proper management strategies and alternative uses to obtain value-added products, such as biogas.…”

Section: Introductionmentioning

confidence: 99%

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Characterization of fruit and vegetable waste as an alternative ruminant feed in Pachuca, Hidalgo, Mexico

Coronel-López

Espino-García

Peralta-Ortiz

et al. 2021

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Objective: Measure and characterize the fruit and vegetable waste generated duringa working day in a commercial juice and fruit cocktail establishment in Pachuca,Hidalgo, Mexico, for four weeks.Design/ methodology/ approach: The total amount of fruit waste generated duringa working day in a commercial juice and smoothie establishment in Pachuca,Hidalgo, Mexico, was collected Monday through Saturday for four weeks inSeptember and October 2019. Waste was weighted and separated daily into thedifferent types of fruit. We then analyzed their dry matter (DM), crude protein (CP),and ash (Ash) content. The experimental design was completely randomized.Results: The amount of fruit and vegetable waste was constant during the fourcollection weeks; the total amount of waste collected was 465 kg; orange peel wasthe most abundant waste (75%). The moisture content ranged from 75 to 94% basedon the type of fruit. The CP concentration ranged from 4.33 to 6.95%, except for thepapaya peel, which had a CP content of 11.55%.Limitations/ implications: An alternative to avoid landfilling this type of organicwaste is to subject it to a silage-making process; this would reduce negative 2environmental impacts, generate value-added products, and reduce the pressure onnatural resources.Findings/ conclusions: The amount of fruit and vegetable waste produced everyweek was constant for four weeks. Although their dry matter content is low, thesewastes, mixed with cereal straw and subjected to a silage-making process, can resultin value-added products, and avoid landfilling.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Characterization of fruit and vegetable waste as an alternative ruminant feed in Pachuca, Hidalgo, Mexico

Coronel-López

Espino-García

Peralta-Ortiz

et al. 2021

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“…Scientific evidence underlines that almost all natural, biological, and physical processes are reacting to climate changes in Europe and around the world [2]. The agri-food chain generates many different sources of GHG emissions at all stages from manufacturing and distribution of inputs used at farm level to food processing and preparation, distribution, and waste disposal [3,4].…”

Section: Introductionmentioning

confidence: 99%

Assessment of Tomato Peels Suitable for Producing Biomethane within the Context of Circular Economy: A GIS-Based Model Analysis

et al. 2021

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Biomass is seen as one of the most dominant future renewable energy sources. In detail, agro-industrial by-products represent a cheap, renewable, and abundant feedstock useful for several new products, including biochemical, biomaterials, and above all biogas, which are taking on an ever-increasing role in Italy. In this context, the tomato chain was analysed aiming at estimating the amount of processed tomato and the related waste production as a new suitable resource for producing biofuel as a new frontier within the context of a circular economy. Due the importance of the tomato industry, this research aims at filling gaps in the knowledge of the production and yield of the by-products that are useful as biomass for energy use in those territorial areas where the biomethane sector is still developing. This aim could be relevant for planning the sustainable development of the biomethane sector by reducing both soil consumption for dedicated energy crops and GHG emissions coming from the biomass logistic supply. The achieved results show the localization of territorial areas highly characterized by this kind of biomass. Therefore, it would be desirable that the future policies of development in the biomethane sector consider the availability and the distribution of these suitable biomasses within the territory.

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“…Wastewater characterized by higher internal energy (in terms of influent chemical oxygen demand (COD) concentration and flow rate) leads to a more consistent energy consumption in the plant, together with an increased sludge production and an augmented bioreactor footprint [6]. Proven techniques that help to improve plant energy balance include anaerobic digestion (AD) [7,8], sludge incineration, photovoltaic generation and thermal energy recovery [6]. Energy recovery from wastewater treatment can help to reduce the overall economic costs and the related environmental impact [4], following sustainability and circular economy principles.…”

Section: Introductionmentioning

confidence: 99%

Demand-Response Application in Wastewater Treatment Plants Using Compressed Air Storage System: A Modelling Approach

et al. 2020

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Wastewater treatment plants (WWTPs) are known to be one of the most energy-intensive industrial sectors. In this work, demand response was applied to the biological phase of wastewater treatment to reduce plant electricity cost, considering that the daily peak in flowrate typically coincides with the maximum electricity price. Compressed air storage system, composed of a compressor and an air storage tank, was proposed to allow energy cost reduction. A multi-objective modelling approach was applied by analyzing different scenarios (with and without anaerobic digestion, AD), considering both plant characteristics (in terms of treated flowrate and influent chemical oxygen demand, COD, concentration) and storage system properties (volume, air pressure), together with the current Italian market economic conditions. The results highlight that air tank volume has a strong positive influence on the obtainable economic savings, with a less significant impact held by air pressure, COD concentration and flowrate. In addition, biogas exploitation from AD led to an improvement in economic indices. The developed model is highly flexible and can be applied to different WWTPs and market conditions.

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Evaluating the environmental and economic impact of fruit and vegetable waste valorisation: The lettuce waste study-case

Cited by 46 publications

References 32 publications

Characterization of fruit and vegetable waste as an alternative ruminant feed in Pachuca, Hidalgo, Mexico

Characterization of fruit and vegetable waste as an alternative ruminant feed in Pachuca, Hidalgo, Mexico

Assessment of Tomato Peels Suitable for Producing Biomethane within the Context of Circular Economy: A GIS-Based Model Analysis

Demand-Response Application in Wastewater Treatment Plants Using Compressed Air Storage System: A Modelling Approach

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