Harnessing potential of Eucalyptus derived biochar to improve physico-chemical characteristics of tannery effluent

Aniqa Batool, Syeda Wafa Naqvi, Tariq Mahmood, Muhammad Tariq Siddique, Muhammad Nabil Ashraf

Abstract


Water pollution in Pakistan and all over the world is one of the major concerns, because it is badly affecting the living beings and reducing the chances of survival of life on the planet earth. Tannery industry with all its waste from leather products manufacturing and dyes wastes is one of the leading contributor to the water pollution, especially in developing countries like Pakistan where people are mostly unaware of the harmful drawback of their acts of today on their future life. To reduce this problem many methods and techniques have been used and are still being in process. These methods are quite expensive and cannot be used by informal industry holders. The dangerous waste materials from tannery wastewater must be treated before discharging into the environment. In the present study, tannery wastewater will be purified using Eucalyptus biochar (prepared at different temperatures and heating durations). The adsorption of pollutants on the surface of biochar and the extent of purification of wastewater was analyzed by comparing the difference in the values of physico-chemical parameters like: pH, TSS, TDS, COD, DO, turbidity, hardness, chlorides, calcium and magnesium using standard methods of APHA. A Multi-barrier Water Treatment System was used. The water treatment system efficiency and Eucalyptus biochar adsorption capacity for the wastewater pollutants was examined.

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