Symbiosis opportunities between food and energy system: The potential of manure‐based biogas as heating source for greenhouse production

Golzar, Farzin; Bowman, Gillianne; Hellweg, Stefanie; Roshandel, Ramin

doi:10.1111/jiec.13078

Cited by 16 publications

(8 citation statements)

References 43 publications

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“…The country energy demand could be reduced and efficient energy use can be optimized (SCCER CREST, 2020). Other important aspects need to be considered, for example, the food‐energy‐nexus for agricultural bioenergy (Burg et al, 2020; Christensen & Kjaer, 2009) which allows symbiosis between food production and energy generation. Moreover, one area can have multiple purposes (e.g.…”

Section: Discussionmentioning

confidence: 99%

How much land does bioenergy require? An assessment for land‐scarce Switzerland

et al. 2021

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To reduce greenhouse gas emissions, countries need to transform their energy system by increasing the share of renewable energies. For years, the use of fossil fuels meant devoting little land area to energy provision. As renewables require much more space, the relationship between renewable energy and land area becomes highly relevant. In this context, land scarcity is an important challenge, especially for densely populated countries. The power density concept, describing the relationship between energy carrier and area used for its production in W/m2, can aid decision‐making for resources allocation. Bioenergy plays a key role in the energy transition due to its diverse applications. Here, we assess how much area it takes to generate, transport and process various biomass types for energy purposes. We differentiate between 10 biomass types, determining area requirement (m2) and energy input (kWh) for each process along the supply chain. Using the whole sustainable biomass available requires >0.1% of Switzerland's land area (31 km2). Particularly for waste biomass, the area required for energy is negligible. Power densities vary widely within and between biomass types. Taking the average between minimum and maximum, they are highest for coniferous protection forest against natural hazards 114 W/m2 (22–267 W/m2) and green waste 96 W/m2 (26–176 W/m2). All of these are lower than literature values for fossil fuels (>1000 W/m2). However, sustainable power densities including compensatory land for greenhouse gas emissions are higher for biomass (average 2.4 W/m2, maximum 14.4 W/m2) than for fossil fuels (natural gas 0.9 W/m2, coal 0.2 W/m2). Estimating land requirement and power density facilitates weighing up whether and to what degree different biomass types should be used for energy.

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Section: Discussionmentioning

confidence: 99%

How much land does bioenergy require? An assessment for land‐scarce Switzerland

et al. 2021

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“…The development of an incineration plant, which will incinerate manure to generate energy, has been proposed as a solution to poultry manure surplus in the Netherlands [30]. Manure can be used as a feedstock for biogas plants, and the waste heat for the plant can be supplied to local greenhouses [31]. It can also be used as a fertiliser, by being discharged to arable lands [32].…”

Section: Meat and Poultry Industrymentioning

confidence: 99%

Waste Management and the Circular Economy in Cyprus—The Case of the SWAN Project

et al. 2022

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The increase in waste volume and greenhouse gas emissions and decrease in raw-material reserves are some of the serious problems that our planet is facing. The measures needed to address these issues cannot be implemented under the prevailing linear economy model; hence, the circular economy model has been introduced. The successful implementation of circularity, whose basic principles include waste reduction, reuse, and recycling, requires a change in the behaviour of all the parties involved and is expected to lead to industrial–urban symbiosis schemes. The present paper looks at the current state and future prospects of the circular economy in Cyprus, based on the evidence drawn from an EU-funded project entitled “a digital Solid Waste reuse plAtform for BalkaN” (Project Acronym: SWAN). The project’s main objective was the design and development of a digital solid waste reuse platform involving four countries: Greece, Albania, Bulgaria, and Cyprus. Using the data collected, in the context of this project, from a sample of Cypriot industries, we looked into the familiarisation of the respondents with the basic concepts of circularity and their willingness to participate in symbiotic value chains. Moreover, we examined the composition of the waste streams produced by those industries and proposed potential waste reuse business models and subsequent symbiotic clusters.

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“…In 2017, an F. oxysporum fungal outbreak infected pepper greenhouses in Essex County, Ontario, resulting in major plant loss; in a single example, one greenhouse operation experienced over 12% pepper mortality [35] (pp. [121][122][123][124][125][126][127][128][129][130][131][132]. One challenge with many crop pathogens is their largely undetectable presence at early stages of infection, allowing mitigation only after significant crop damage has occurred [36] (pp.…”

Section: Challenges Facing the Canadian Greenhouse Industrymentioning

confidence: 99%

“…Some operations use waste heat from nearby factories or biogas generators from adjacent farms, and implementation of confluent air jet climate control systems is being explored commercially [122]. Research has also indicated the potential for heating greenhouses using manure-based biogas where it is expected that up to 11% of the Swiss tomato demand could be supplied domestically in this manner [127]. Icelandic greenhouse operations have been reported to harness geothermal heat to extend their growing season [123].…”

Section: Global Greenhouse Development Initiativesmentioning

confidence: 99%

Canadian Greenhouse Operations and Their Potential to Enhance Domestic Food Security

LaPlante¹,

Andrekovic²,

Young³

et al. 2021

Agronomy

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Food security is a growing societal challenge. The pressure to feed a projected global population of 9.6 billion by 2050 will continue to be limited by decreasing arable land. The recent disruptions in international trade resulting from responses to the COVID-19 pandemic have highlighted the importance of regional self-reliance in food production. While Canada is highly self-reliant in food categories such as meat and dairy, the nation relies heavily on international imports to fulfill fresh vegetable demands. In potential future scenarios where international trade faces disruptions, Canadian food security could be at risk. By providing local sources of fresh foods year-round, the greenhouse vegetable industry holds strong potential to overcome future food supply shortages and could become a critical contributor to self-sustainable food production in Canada. Many challenges, however, surround the Canadian greenhouse industry. Some challenges include the persistence and spread of infectious plant pathogens and forecasted labour shortages. Opportunities to alleviate such challenges include introducing more diverse commodity groups and integrating innovative technologies to accelerate efficiency within the industry. In this commentary, we examine the current state of the Canadian greenhouse industry, explore potential challenges, and highlight opportunities that could promote food security across the nation.

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Symbiosis opportunities between food and energy system: The potential of manure‐based biogas as heating source for greenhouse production

Cited by 16 publications

References 43 publications

How much land does bioenergy require? An assessment for land‐scarce Switzerland

How much land does bioenergy require? An assessment for land‐scarce Switzerland

Waste Management and the Circular Economy in Cyprus—The Case of the SWAN Project

Canadian Greenhouse Operations and Their Potential to Enhance Domestic Food Security

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