The baking effect and exhaust emissions of renewable energy bakery

doi:10.14088/j.cnki.issn0439-8114.2023.10.034

Abstract

Abstract: In order to further explore the advantages of the renewable energy bakery, the effects of five renewable energy bakeries, namely biomass bakery, heat pump bakery, alcohol based bakery, solar assisted bakery, and tunnel bakery, on the conventional chemical components, neutral aroma components, polyphenol compounds, organic acids, economic benefits, and exhaust emissions of cured tobacco leaves were studied, using coal fuel bakery as a control.Compared with the coal fuel curing barn, the content of total sugar and reducing sugar in flue-cured tobacco leaves from five renewable energy curing barns increased significantly;the content of neutral aroma components in tobacco leaves increased by 52.11%, 13.17%, 6.99%, and 5.16% in solar assisted bakery, tunnel bakery, biomass bakery, and heat pump bakery, respectively;the content of polyphenols in tobacco leaves increased by 25.66% and 5.73% respectively after being cured in alcohol based bakery and heat pump bakery;the organic acid content in solar assisted bakery and tunnel bakery increased by 13.71% and 0.89%, respectively;the average price of tobacco leaves in solar assisted bakery, heat pump bakery, and biomass bakery increased by 2.42, 2.27, and 1.05 yuan/kg, respectively, while the average price of dry tobacco decreased by 0.98, 0.86, and 0.18 yuan/kg, respectively;the concentration of unorganized exhaust gas in heat pump bakery, alcohol based bakery, solar assisted bakery, and tunnel bakery was relatively low. Overall, renewable energy bakery was more in line with the development needs of the industry to improve quality and efficiency, as well as the green and low-carbon social development needs, especially solar assisted bakery and heat pump bakery.

Key words: renewable energy bakery, conventional chemical components, neutral aroma components, polyphenol compounds, organic acids, exhaust emissions

CLC Number:

TS44

YANG Nan, LI Jun-ying, CAI Xian-jie, CHANG Dong, YAN Hai-tao, XU Yue-qi, YAN Ding, CAO Ya-fan, WANG Xiao-qiang, WANG Ming-xin, HE Xiao-bing, XU Cheng-yue. The baking effect and exhaust emissions of renewable energy bakery[J]. HUBEI AGRICULTURAL SCIENCES, 2023, 62(10): 195-203.

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