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High-salinity Wastewater Treatment
High-salinity wastewater refers to wastewater with a total salt concentration of at least 3.5%. This type of wastewater primarily originates from industries such as chemical manufacturing and the extraction and processing of oil and natural gas. It contains soluble inorganic salt ions like Cl⁻, SO₄²⁻, Na⁺, and Ca²⁺. The generation of high-salinity wastewater is widespread, with a complex and diverse composition. The high salt content significantly inhibits microbial growth, making the treatment of high-salinity wastewater particularly challenging. As a result, it is a major focus and difficult area in wastewater treatment research.
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