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A comprehensive energy, exergy and enviroeconomic (3-E) analysis with carbon mitigation for multistage evaporation assisted milk powder production unit
Sustainable Energy Technologies and Assessments ( IF 8 ) Pub Date : 2020-12-19 , DOI: 10.1016/j.seta.2020.100925
Gurjeet Singh , K. Chopra , V.V. Tyagi , A.K. Pandey , Zhenjun Ma , Haoshan Ren

The global annual milk powder trade was estimated to be of 851.84 Million Metric Tons whereas; its Indian counterpart was recorded as 196.18 Million Metric Tons in the year 2019. The world’s annual milk powder production has registered a growth of 50% in the last three decades. In view of high thermal and electrical energy consumption; the present work focus upon energy, exergy and enviroeconomic assessments for comprehensive powder production wherein, the value of exergy efficiency, specific exergy destruction and specific exergy improvement potential. The exergetic performances of triple effect evaporator and single stage spray dryer unit were computed as 56.62% and 66.11% respectively. Additionally, involvement of economic approach with total saving in uniform yearly cost through electricity from PV panels will be approximately calculated as 979,006 $ and 874,319 $ at an interest rates of 4.5% and 7.5% respectively. Similarly, the investment on PV panels will be recovered after 8 and 11 years of operation for the respective rates of interests. On the basis environmental evaluation, it was found that adoption of clean energy solution (PV panels); could assist in mitigation of approximately 17,670 Tonnes of CO2 during its lifetime with securing a revenue of 256,215 $/lifetime.



中文翻译:

多级蒸发辅助奶粉生产单元的综合能源,火用和环境经济(3-E)分析,具有碳减排功能

据估计,全球年度奶粉贸易量为851.84百万公吨,而 它的印度同类产品在2019年被记录为1.618亿公吨。在过去的三十年中,世界奶粉的年产量增长了50%。鉴于高的热和电能消耗;目前的工作集中在综合粉剂生产的能源,火用和环境经济评估上,其中,火用效率的价值,比火用的破坏和比火用的改善潜力。三效蒸发器和单级喷雾干燥器的能效计算分别为56.62%和66.11%。另外,经济方法的参与,通过光伏电池板的电力每年可节省的统一成本总额将分别计算为979,006美元和874,319美元,利率分别为4.5%和7.5%。同样,在运营8年和11年后,将按各自的利率收回对光伏电池板的投资。根据环境评估,发现采用了清洁能源解决方案(光伏板);可以帮助减少大约17,670吨的二氧化碳2在其生命周期内,获得256,215 $ /生命周期的收入。

更新日期:2020-12-20
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