The meaning of saline wastewater
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Recently, I keep hearing people talk about saline wastewater. I always thought it was just wastewater containing sodium chloride. So, I would like to ask my friends: can wastewater containing sodium carbonate be considered salt-containing wastewater? This post was last edited by sccj504 on 2008-2-26 07:04.]
Wastewater containing sodium carbonate is also a type of saline wastewater. Salts in saline wastewater are a general term; compounds composed of metal ions and inorganic and organic anions can all be referred to as salts, which are further divided into inorganic salts and organic salts.
As long as the salt content is high, it is referred to as saline wastewater. The main sources are the concentrated wastewater discharged during the production of pure water and ultrapure water, as well as other wastewater in which large amounts of salts are added during the production process. Salt is not necessarily table salt (sodium chloride).
It counts as well. The “salt” here refers to salt in a chemical sense
The poster should learn more about chemistry
It seems that in wastewater treatment, saline wastewater mainly refers to wastewater containing Cl ions
To be precise, saline wastewater indeed refers mainly to wastewater that contains salts. As for whether wastewater containing sodium carbonate qualifies as saline wastewater, I’m not sure.
These wastewaters have a high salt content, exceeding 5% by weight, and they also contain organic impurities. Due to this high salt level, microorganisms are unable to survive in such wastewaters, making biochemical treatment difficult; hence, it is a challenging issue that requires the use of more expensive treatment methods, such as chemical or physical approaches, which imposes a heavy burden on enterprises. The best way to deal with such wastewaters is to convert them into useful resources through comprehensive utilization, with zero emissions being the ideal outcome. 、