采用低温蒸发技术（40℃，-96 kPa）处理长沙市黑麋峰垃圾填埋场反渗透（RO）浓缩液，系统考察了蒸发过程中的产水性能、水质变化及结垢特性。结果表明，浓缩液经30 h连续蒸发，浓缩倍数约为10倍，母液体积占比为10.05%，含固率稳定在22%~25%。蒸发罐内壁以及盘管处的垢层变厚，导致传热系数下降，产水量由9.7 L/h降至6.8 L/h；经5% HCl在线清洗后产水量恢复。对垢层进行X射线光电子能谱技术（XPS）分析手段进行分析，发现主要成分为碳酸钙、硅酸钙、硅酸镁以及硫酸钙。本研究为低温蒸发处理技术工程应用提供关键设计参数与运行经验。

Low-temperature evaporation technology of RO concentrate from Changsha Heimifeng Landfill Leachate by low-temperature evaporation （40℃，-96 kPa） was systematically investigated for water production performance，water quality evolution，and scaling characteristics.Key findings indicate：The concentrated solution undergoes 30 hours of continuous evaporation，achieving a concentration factor of approximately 10 times.The mother liquor accounts for 10.05% of the total volume，with the solid content remaining stable at 22%-25%；Scale deposition on the evaporation tank walls and heating coils reduced heat transfer efficiency，decreasing water production from 9.7 L/h to 6.8 L/h-restored after online cleaning with 5% HCl；X-ray photoelectron spectroscopy （XPS） analysis identified calcium carbonate，calcium silicate，magnesium silicate，and calcium sulfate as primary scale components.This study provides critical design parameters and operational insights for engineering applications of low-temperature evaporation technology.