Natural evaporation process of salty wastewater is one of the important methods for the harmless treatment of high salty wastewater from coal chemical industry.Different from the fresh water evaporation,evaporation of salty wastewater is affected not only by external factors such as temperature,humidity and wind speed,but also by internal factors,namely,the interaction between soluble substances,ions and molecules.But it is difficult to examine each factor which influences the evaporation rate of salty wast...