News

In the copper smelting industry, the treatment of flue dust leachate is a critical step for resource recovery and a focal point where environmental compliance and economic efficiency converge. Although the traditional iron replacement process has been used for many…

During the production of lithium carbonate, the recovery rate in the lithium precipitation stage has long remained at around 80%, with approximately 20% of lithium resources retained in the precipitation mother liquor. This industry-wide challenge has become the “last untapped…

Zhengzhou Tiei Extraction specializes in liquid–liquid separation equipment and process engineering. For industrial DMF (Dimethylformamide) wastewater treatment and solvent recovery, Tiei Extraction provides a fully integrated centrifugal extraction process solution covering capacities from 1 to 60 m³/h, helping chemical, pharmaceutical,…

In fine chemical production processes, the water washing stage is a critical step for removing impurities from the organic phase and ensuring product purity. However, many enterprises still rely on traditional reactors or mixer-settlers for batch water washing operations, which…

Furfural, chemically known as furfuraldehyde (furan-2-carbaldehyde), is an important chemical raw material with extensive industrial applications. It serves as a selective solvent for separating unsaturated aliphatic compounds from saturated aliphatic compounds and is also a key intermediate for the production…

In the pharmaceutical and chemical industries, dimethyl sulfoxide (DMSO) is widely used as an excellent polar solvent. However, its wastewater is characterized by high COD, high salinity, and poor biodegradability, making it a persistent challenge in environmental treatment. How can…