Optimization of energy consumption and reduction of environmental emissions in cake production using data envelopment analysis and genetic algorithm

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AKRAM ASADOLLAH; Khanali Majid; Mohammadnia Galeshklamei Mahdieh; HOSSEINZADEH BANDBAFHA HOMA

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Journal: Environmental Sciences Year:2019 | Volume:17 | Issue:2 Page(s): 102-122

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Title

Optimization of energy consumption and reduction of environmental emissions in cake production using data envelopment analysis and genetic algorithm

Author(s)

AKRAM ASADOLLAH | Khanali Majid | Mohammadnia Galeshklamei Mahdieh | HOSSEINZADEH BANDBAFHA HOMA | Issue Writer Certificate

Keywords

Genetic algorithmQ1

EnergyQ2

Data envelopment analysisQ1

CakeQ1

Global warmingQ1

Abstract

Introduction: Sustainable development necessitates the supply of Energy resources in a sustainable manner, with a reasonable cost and with minimum negative social and environmental impacts. Thus the optimization of Energy consumption, and as a result, the reduction of environmental emissions is of particular importance. The purpose of this study was to assess the amounts of consumed Energy and pollutant emissions, optimization of Energy consumption, and reduction in environmental emissions in the Cake production industry in Guilan Province using Data envelopment analysis (DEA) and Genetic algorithm (GA). Material and methods: The efficient and inefficient units considering Energy consumption were identified using DEA models. The optimal Energy consumption pattern based on efficient units was presented for other Cake production units, and the environmental assessment was performed based on the optimal pattern. Finally, using the multi-objective Genetic algorithm (MOGA) and considering two objective functions aiming at increasing the yield and reducing the Global warming (GW) index, the optimal Energy consumption pattern in Cake production units was presented. Results and discussion: The results of this study showed that 260532. 25 MJ of Energy was consumed for a daily production of 4157. 14 kg of Cake. The highest share of Energy consumption was allocated to natural gas with 128582. 1 MJ. Also, GW index was calculated 13099. 49 kg CO2 eq. per ton of produced Cake. According to DEA results, from a total of 21 Cake production units, 17 units were recognized efficient based on variable returns to scale model. Based on DEA results, the total Energy consumption for optimum consumption of inputs, the Energy saving percentage, and the reduction of GW index were determined 254929. 28 MJ day-1, 2. 15%, and 550. 18 kg CO2 eq. per ton of produced Cake, respectively. Also, the Energy use pattern proposed by the MOGA resulted in 36. 3% reduction of Energy consumption, in which the highest percentage of Energy savings was associated with human labor. Based on the optimization results of MOGA, GW index for production of one ton of Cake was calculated 10038. 44 kg CO2 eq. Conclusion: MOGA optimization method in comparison to DEA, resulted in more reduction of Energy consumption, GW index, production costs, and environmental burdens as well as higher income. Thus, the use of MOGA will pave the way for achieving sustainable development in Cake production industry and staying in competition with other food industries.

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APA: Copy

AKRAM, ASADOLLAH, Khanali, Majid, Mohammadnia Galeshklamei, Mahdieh, & HOSSEINZADEH BANDBAFHA, HOMA. (2019). Optimization of energy consumption and reduction of environmental emissions in cake production using data envelopment analysis and genetic algorithm. ENVIRONMENTAL SCIENCES, 17(2 ), 102-122. SID. https://sid.ir/paper/117652/en

Vancouver: Copy

AKRAM ASADOLLAH, Khanali Majid, Mohammadnia Galeshklamei Mahdieh, HOSSEINZADEH BANDBAFHA HOMA. Optimization of energy consumption and reduction of environmental emissions in cake production using data envelopment analysis and genetic algorithm. ENVIRONMENTAL SCIENCES[Internet]. 2019;17(2 ):102-122. Available from: https://sid.ir/paper/117652/en

IEEE: Copy

ASADOLLAH AKRAM, Majid Khanali, Mahdieh Mohammadnia Galeshklamei, and HOMA HOSSEINZADEH BANDBAFHA, “Optimization of energy consumption and reduction of environmental emissions in cake production using data envelopment analysis and genetic algorithm,” ENVIRONMENTAL SCIENCES, vol. 17, no. 2 , pp. 102–122, 2019, [Online]. Available: https://sid.ir/paper/117652/en

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