Abstract
Similar to the dilemma faced by developed countries in the past, as China's industrialisation continues to develop, the environmental problems it causes are becoming increasingly serious. In particular, industrial wastewater, which is discharged directly from factories into the surrounding environment, has become the biggest hidden threat to the environment. Therefore, the treatment of industrial wastewater has always been the focus of environmental protection departments and relevant technical personnel. For the human body, heavy metal ions in wastewater are not only highly toxic and easily absorbed, but can also accumulate in organisms through the food chain. Therefore, finding an efficient, inexpensive and simple method to treat heavy metal ions in wastewater is the most urgent issue for scientific research.
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