Selection of equipment for treating high-salt wastewater
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Our company currently has one three-effect evaporation system. The concentrated liquid produced by evaporation is currently disposed of through incineration, but the cost of this method is too high. We are considering installing an evaporation-crystallization unit specifically for treating this concentrated liquid. We would like to seek advice from those with more experience on this matter. Thank you~
Theoretically, the operating costs of evaporation crystallization are higher than those of incineration; if the amount of concentrate produced by the three-effect process is not large, it’s better to opt for incineration.
The concentrated water can be further treated by evaporation.
The amount generated is significant, and the cost of incineration disposal is high
The COD level is high, and it is difficult to control
You can take a look at this post. Dual reuse of water and salts in Shenhua’s coal-to-oil process wastewater https://bbs.hcbbs.com/thread-1865034-1-1.html (Source: Haichuan Chemical Industry Forum Website)
The concentrate is sprayed dry and then incinerated. The amount of waste incinerated is expected to be reduced by half, and equipment designed solely for burning solids requires much less investment and operational cost compared to equipment used for burning saline wastewater.
Thank you~ I’ve found the most suitable way to handle it