खतरनाक कचरे के उचित रूप से निष्पादित ठोसकरण (solidification) प्रक्रिया से प्राप्त अंतिम उत्पाद को संरचनात्मक रूप से किस रूप में जाना जाता है?

Certain hazardous metal contaminants exist in highly oxidized states that exhibit greater toxicity and environmental mobility. Which of the following pollutants is typically treated using chemical reduction processes?

Why is flow equalization often provided ahead of biological treatment for certain wastewaters?