基于Aspen Plus的含油污泥与微藻共热处理工艺的能耗分析
陈锴杰 , 刘亮 , 吴佳俊 , 卿梦霞 , 贺云飞 , 徐宗兵 , 王涛
现代化工 ›› 2025, Vol. 45 ›› Issue (S2) : 444 -448.
基于Aspen Plus的含油污泥与微藻共热处理工艺的能耗分析
Aspen Plus based analysis on energy consumption of co-pyrolysis process for oily sludge and microalgae
含油污泥与生物质共热解处理方法在实现油泥资源化的同时能够提高产物热值,为研究不同反应条件对于能耗的影响,利用Aspen Plus软件建立了含油污泥与微藻共热处理工艺模型。研究结果表明,热解能耗随微藻添加比的增加先升高后降低,这与热解油产率的变化趋势一致。此外,油泥的初始含水率对热处理工艺的能耗有着显著影响,在考虑能耗最小化的情况下,初始含水率在30%以下的油泥采用单独热解的方式处理的能耗更低,而在初始含水率为30%~40%的油泥的热处理工艺中,微藻的添加可以有效降低系统能耗。
The oily sludge-biomass co-pyrolysis method can enhance the calorific value of products while achieving the re-utilization of oily sludge.To find out the impact of reaction conditions on energy consumption,a model for co-pyrolysis treatment of oily sludge and microalgae is developed by using Aspen Plus software.Results indicate that with increasing microalgae addition ratio,the pyrolysis energy consumption rises initially and falls then,which is consistent with the trend of changes in pyrolysis oil yield.In addition,the initial water content of oily sludge affects significantly the energy consumption of the co-pyrolysis treatment process.Under the premise of minimizing energy consumption,separate pyrolysis treatment is more energy-efficient for oily sludge with less than 30% of water content,while adding microalgae can effectively reduce energy consumption for oily sludge with 30%-40% of initial water content.
oily sludge / energy consumption analysis / co-pyrolysis / microalgae
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国家自然科学基金项目(52106131)
湖南省教育厅科研项目(21A0201)
湖南省大学生创新创业训练项目(S202410536119)
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