Trade-Offs between Economic and Environmental Optimization of the Forest Biomass Generation Supply Chain in Inner Mongolia, China

Min Zhang, Guangyu Wang, Yi Gao, Zhenqi Wang and Feng Mi
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Min Zhang: School of Economics and Management, Beijing Forestry University, 35 Qinghua East Rd, Haidian District, Beijing 100083, China
Guangyu Wang: Department of Forest Resources Management, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
Yi Gao: Department of Wood Science, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
Zhenqi Wang: School of Economics and Management, Beijing Forestry University, 35 Qinghua East Rd, Haidian District, Beijing 100083, China
Feng Mi: School of Economics and Management, Beijing Forestry University, 35 Qinghua East Rd, Haidian District, Beijing 100083, China

Sustainability, 2017, vol. 9, issue 11, 1-19

Abstract: The utilization of forest residue to produce forest biomass energy can mitigate CO 2 emissions and generate additional revenue for related eco-enterprises and farmers. In China, however, the benefit of this utilization is still in question because of high costs and CO 2 emissions in the entire supply chain. In this paper, a multi-objective linear programming model (MLP) is employed to analyze the trade-offs between the economic and environmental benefits of all nodes within the forest biomass power generation supply chain. The MLP model is tested in the Mao Wu Su biomass Thermoelectric Company. The optimization results show that (1) the total cost and CO 2 emissions are decreased by US$98.4 thousand and 60.6 thousand kg, respectively; 3750 thousand kg of waste-wood products is reduced and 3750 thousand kg of sandy shrub stubble residue is increased; (2) 64% of chipped sandy shrub residue is transported directly from the forestland to the power plant, 36% of non-chipped sandy shrub residue is transported from the forestland to the power plant via the chipping plant; (3) transportation and chipping play a significant role in the supply chain; and (4) the results of a sensitivity analysis show that the farmer’s average transportation distance should be 84.13 km and unit chipping cost should be $0.01022 thousand for the optimization supply cost and CO 2 emissions. Finally, we suggest the following: (1) develop long-term cooperation with farmers; (2) buy chain-saws for regularly used farmers; (3) build several chipping plants in areas that are rich in sandy shrub.

Keywords: CO 2 emissions; supply cost; sandy shrub stubble residue; wood-chipping residue; waste-wood products; residue-recycling; transportation path (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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