Metal Recovery from Industrial Wastewater

Dear Colleagues,

Rapid development in the modern industry has resulted in an outstanding increment in wastewater generation at the production step. Globally, more than 80% of wastewater is discharged into the environment without treatment, with industry accounting for 28% of the total.

Industrial wastewater is the major contributor to contamination of aquatic and terrestrial ecosystems with toxic heavy metals such as arsenic, copper, chromium, cadmium, nickel, zinc, lead, manganese, iron, and mercury, whose hazardous bio-accumulative nature in biotic systems is attributed to their high solubility in aquatic environments. In addition, the wastewater from alloy, jewelry, electronics, battery, fuel cell, photovoltaic, petrochemical, ceramic, glass, and pharmaceutical industries also contains precious metals such as gold, silver, platinum, palladium, ruthenium, rhodium, iridium, and osmium. The massive discharge of industrial wastewater poses a severe threat to the ecological environment and loses a lot of metal resources. There has, therefore, always been a need for the removal or recovery of these toxic, non-biodegradable, and persistent heavy/precious metals from industrial wastewater. Nowadays, the recovery processes of metals from industrial wastewater streams have found to be significant attractions among various investigators worldwide. This Special Issue of Minerals is focused on the latest progress in recovering metals from industrial wastewater. Emphasis will be placed on recycling and reusing metals, as well as the sustainability and inexpensive production of clean, high-value products from industrial wastewater.

We look forward to receiving your contribution.

Prof. Dr. Yali Feng
Dr. Hao Wu
Prof. Dr. Haoran Li
Guest Editors

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