Abstract

Waste Water Purification from Metal Ions by Ultra-Dispersed Natural Sorbents

Highlights

  • Nowadays, wastewater purification from heavy metal ions is a relevant global issue

  • The represented studies and graphs referring to them show the direct dependence of the efficiency of wastewater purification degree on sorbent fractions, i.e. the lesser the fraction is, the higher the purification degree

  • Purification of wastewater with ultra-dispersed bentonite clay resulted in higher efficiency indicators for all the elements than the purification with ultra-dispersed shungite

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Summary

Introduction

Wastewater purification from heavy metal ions is a relevant global issue. A considerable amount of wastewater is discharged by mining and metallurgical enterprises and it causes severe water bodies pollution. It makes fishery management and potable water intake challenging. The issue of wastewater purification is relevant for East Kazakhstan. Historical industrial pollution caused by mining and metallurgical industries of East Kazakhstan, significantly affects the water quality. The source of rivers contamination is under-treated wastewater from mining enterprises of East Kazakhstan. They include Irtyshsky mine, mining enterprise, its wastewater contains a large amount of heavy non-ferrous metals and other contaminants. Efficient technological and economic methods for wastewater purification from metal ions are being developed

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