光伏行业高浓度氨氮废水回收处理工艺过程模拟与优化  

Simulation and Optimization of High-Concentration Ammonia Nitrogen Wastewater Recovery and Treatment Process in Photovoltaic Industry

作　　者：周言[1] ZHOU Yan(Zhejiang Institute(Shaoxing)of Tianjin University,Shaoxing,Zhejiang 312300,China)

机构地区：[1]天津大学浙江研究院(绍兴),浙江绍兴312300

出　　处：《浙江化工》2025年第3期48-53,共6页Zhejiang Chemical Industry

摘　　要：为解决光伏行业迅猛发展带来的日益增加的高浓度氨氮废水难处理和处理成本高的问题,提出并采用一种汽提脱氨-氨气水吸收的回收处理工艺,对光伏行业高浓度氨氮废水开展工艺过程模拟和关键工艺操作参数的灵敏度优化分析研究。结果显示,在优化后的工艺操作条件下,液碱单耗为11.6 kg/t废水,蒸汽单耗为135.5 kg/t废水,工艺水单耗为39.8 kg/t废水,回收的氨水浓度为20 wt%,处理后的废水和吸收塔排放废气中氨氮含量均可降至零,与实际开车数据吻合良好。研究结果可为光伏行业高浓度氨氮废水的无害化和资源化处理提供参考。In order to solve the problems of increasing difficulty in the treatment of high-concentration ammonia nitrogen wastewater and high treatment cost caused by the rapid development of the photovoltaic industry,a recovery and treatment process of stripping deamination and ammonia gas and water absorption was proposed and adopted,and the process simulation and sensitivity optimization analysis of key process operating parameters were carried out on the high-concentration ammonia nitrogen wastewater in the photovoltaic industry.The results show that under the optimized process operating conditions,the unit consumption of liquid alkali is 11.6 kg/t wastewater,the unit consumption of steam is 135.5 kg/t wastewater,the unit consumption of process water is 39.8 kg/t wastewater,and the concentration of recovered ammonia is 20 wt%,and the ammonia nitrogen content in the treated wastewater and the exhaust gas discharged from the absorption tower can be reduced to zero,which is in good agreement with the actual start-up data.The research results can provide a reference for the harmless and resource treatment of high-concentration ammonia nitrogen wastewater in the photovoltaic industry.

关 键 词：光伏行业 高浓度氨氮废水 汽提和吸收 流程模拟 灵敏度优化分析 

分 类 号：X703[环境科学与工程—环境工程]