High concentration of heavy metal ions in all kinds of effluents, especially in wastewater is of
great concern for hazardous pollution due to their high toxicities and wide environmental …

The chrome plating industry is one of the highly polluting industries whose effluent mainly
consists of chromium (VI). This compound is highly toxic to aquatic life and human health …

Recycling of waste electrical and electronic equipment including spent batteries focuses on
maximizing the material recovery efficiency (of metals, polymers, or solvents) and …

The possibility of chelated copper ions removal from wastewater from the production of
printed circuit boards using Na2CS3 as a precipitant agent has been presented. The use of …

The focus of this work has been the study of simultaneous removal and recovery of Cr (VI)
from ground waters with a high concentration of the metal (700mg/l). The main objectives of …

Heavy metal and NH4+–N co-contaminated wastewater are frequently found, and the
presence of NH4+–N makes it extremely difficult to treat. In the present study, bench-scale …

Chitosan grafted crotonaldehyde (CGC) by nucleophilic addition reaction of the amine group
with α, β-unsaturated aldehyde was achieved by simple method using Lewis acid FeCl3 …

The rapid expansion of industry leads to the emission of heavy metals into the environment,
posing a significant global concern presently. The management of heavy metals holds …

Wastewater of mining industries contain high loads of heavy metals. Based on the important
role of pH in chemical precipitation of heavy metals, the objective was to find the best pH for …

Every year increasing amounts of industrial waste are generated worldwide. Depending on
their characteristics, wastes can represent an important source of secondary raw materials in …