Modeling a process combining a cereal dryer with a bioenergy unit for equipment design in developing countries

Rivier, Michel; Collignan, Antoine; Méot, Jean–Michel; Madoumier, Martial; Sébastian, Patrick

doi:10.1111/jfpe.12836

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…Njoroge et al, 2017) to post-processing with solar dryers (e.g. Rivier et al, 2018). No differences existed in the alignment of agriculture subtopics between African and non-African researchers.…”

Section: Agriculturementioning

confidence: 96%

Review of Design Research for Sustainable Development in Africa: A Design Science Perspective

Barlow

Greene

Papalambros

2020

Proc. Des. Soc.: Des. Conf.

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The design community can contribute significantly to the success of the United Nations Sustainable Development Goals in Africa. Currently, alignment of the design research community on sustainable development goals in Africa is not well understood. In this paper, we review relevant literature and identify trends in research topics studied and in patterns of collaboration between researchers. We find differences in topic representation and collaboration trends between African-based and non-African based researchers. Understanding these differences better will be important for future research.

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Section: Agriculturementioning

confidence: 96%

Review of Design Research for Sustainable Development in Africa: A Design Science Perspective

Barlow

Greene

Papalambros

2020

Proc. Des. Soc.: Des. Conf.

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“…In the US alone, incineration of plastic wastes accounted for 59 million tonnes of carbon dioxide in 2015 and will rise to 49 million tonnes by 2030 and 91 million tonnes by 2050 [11]. This makes plastic waste incineration a significant contributor to greenhouse gas emissions [40].…”

Section: Introductionmentioning

confidence: 99%

Review and Design Overview of Plastic Waste-to-Pyrolysis Oil Conversion with Implications on the Energy Transition

Kabeyi

Olanrewaju

2023

Journal of Energy

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Plastics are cheap, lightweight, and durable and can be easily molded into many different products, shapes, and sizes, hence their wide applications globally, leading to increased production and use. Plastic consumption and production have been growing since its first production in the 1950s. About 4% of global oil and gas production is being used as feedstock for plastics, and 3–4% is used to provide energy for their manufacture. Plastics have a wide range of applications because they are versatile and relatively cheap. This study presents an in-depth analysis of plastic solid waste (PSW). Plastic wastes can be technically used for oil production because the calorific value of the plastics is quite comparable to that of oil, making this option an attractive alternative. Oil can be produced from plastic wastes via thermal degradation and catalytic degradation, while gasification can be used to produce syngas. Plastic pyrolysis can be used to address the twin problem of plastic waste disposal and depletion of fossil fuel reserves. The demand for plastics has continued to rise since their first production in the 1950s due to their multipurpose, lightness, inexpensiveness, and durable nature. There are four main avenues available for plastic solid waste treatment, namely, reextrusion as a primary treatment, mechanical treatment as secondary measures, chemical treatment as a tertiary measure, and energy recovery as a quaternary measure. The pyrolysis oil has properties that are close to clean fuel and is, therefore, a substitute to fresh fossil fuel for power generation, transport, and other applications. The study showed that plastic wastes pyrolysis offers an alternative avenue for plastic waste disposal and an alternative source of fossil fuel to reduce the total demand of virgin oil. Through plastic pyrolysis, plastic wastes are thermally converted to fuel by degrading long-chain polymers into small complex molecules in the absence of oxygen, making it a technically and economically feasible process for waste plastic recycling. The process is advantageous because presorting is not required, and the plastic waste can be directly fed without pretreatment prior to the process. Products of plastic pyrolysis are pyrolysis oil, a hydrocarbon-rich gas, with a heating value of 25–45 MJ/kg, which makes it ideal for process energy recovery. Hence, the pyrolysis gas can be fed back to the process to extract the energy for the process-heating purpose, which substantially reduces the reliance on external heating sources.

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“…It is well known that the main cost component in food products is the spent fuel and energy for production (Rivier, Collignan, Meot, Madoumier, & Sebastian, ; Wesseler & Drabik, ). In turn, motor fuel is spent mainly on agricultural, transport, and processing activities (Golam, ).…”

Section: Introductionmentioning

confidence: 99%

Mathematical modeling of the technological processes of catering products production

Dayong

Mikhaylov

Bratanovsky

et al. 2019

J Food Process Engineering

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Technological processes of catering products manufacture need energy optimization.This article proposes the improvement of mathematical modeling apparatus at the stage of technological processes design and reconstruction. The authors used data from large restaurant-type catering enterprises typical for million-plus cities, some of which prepare fast-food dishes. The possibilities of calorie generation during photosynthesis and the generation of electricity by photocells were examined to understand the energy benefits for catering enterprises. Emphasis is placed on minimizing energy consumption for heating and cooling in food production cycles using cogeneration, regeneration, and generation from local renewable energy sources. Cooking and storage chambers can be differentiated by thermal potentials. The modeling algorithm is deepened by the introduction of links between power consumption and generation equipment. A set of organizational measures of reconstruction is proposed in the design of production systems, which allows one to save up to 33-80% of the total energy costs of a real network of catering outlets. Practical ApplicationsThe use of modern energy technologies in the production processes of public catering enterprises will reduce total costs by up to 80% and improve the overall environmental friendliness of the food industry. While planning reconstruction of basic energy equipment, buildings, and mechanisms, the following must be taken into account. These include concepts of a healthy diet, local renewable energy resources, cultivating local natural food ingredients, and utilizing heat and calorie emissions. Up to 50% of the existing equipment requires such a reconstruction in public catering in developing countries. The principles recommended by the authors for the reconstruction of the production processes of public catering enterprises require the use of advanced algorithms for the mathematical optimization of energy flows and balances.

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Modeling a process combining a cereal dryer with a bioenergy unit for equipment design in developing countries

Cited by 4 publications

References 11 publications

Review of Design Research for Sustainable Development in Africa: A Design Science Perspective

Review of Design Research for Sustainable Development in Africa: A Design Science Perspective

Review and Design Overview of Plastic Waste-to-Pyrolysis Oil Conversion with Implications on the Energy Transition

Mathematical modeling of the technological processes of catering products production

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