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Associated Health Risks from Heavy Metal-Laden Effluent into Point Drainage Channels in Faisalabad, Pakistan

Associated Health Risks from Heavy Metal-Laden Effluent into Point Drainage Channels in Faisalabad, Pakistan

Taqi Raza1*, Kashif Nazir Qureshi2, Shakeel Imran2, Neal Samuel Eash3 and Imma Bortone4

1Land Resources Research Institute, NARC, Islamabad-45500, Pakistan; 2University of Agriculture Faisalabad, UAF Sub-Campus Burewala-61010, Pakistan; 3Biosystems Engineering and Soil Science, The University of Tennessee, USA; 4School of Water, Energy and Environment, Cranfield University UK.

 
*Correspondence | Taqi Raza, Land Resources Research Institute, NARC, Islamabad-45500, Pakistan; Email: taqiraza85@gmail.com 

ABSTRACT

Industrial effluent discharge has increased due to rapid urbanization and industrialization. Irrational use of this water for irrigation has caused environmental and health issues. The objective of the current study is to evaluate the treated effluents of textile, ghee and chemical industries for major heavy metals (Cd, Cr, Ni, Pb and Fe) and other basic analysis (pH, EC, TSS and TDS). Effluent samples were collected from the discharge of industries entering into main wastewater collecting channel located in Faisalabad city. Heavy metals contents were determined via atomic absorption spectrophotometry. Results showed that the highest pH (11.06) was recorded in textile effluent while EC (7.89mS/cm), TSS (1185.55mg/L) and TDS (6317.33mg/L) were found highest in chemical industrial effluents. Heavy metals contents were determined through atomic absorption spectrophotometer. The mean comparison of heavy metal concentration (mg/L) showed the concentration of Cd, Cr and Ni were within the safe limits; however, Fe and Pb were higher than the safe limits in all industrial effluents. The highest/unsafe concentration of metal Fe was recorded 4.093, 2.979 and 2.959 mg/L in the effluents of chemical, textile and ghee mill respectively. While the highest/unsafe concentration of metal Pb was recorded 0.643, 0.578 and 0.286 mg/L in the effluents of textile, chemical and ghee mill respectively. The permissible limits of heavy metals Fe and Pb is 0.5 and 2 mg/L respectively. We conclude that before discharge into a receiving stream, the effluents must be treated more time with a treatment method that removes Pb and Fe within standard limits else the discharge will pose pollution and health risks to human beings.

 

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Pakistan Journal of Zoology

August

Vol. 53, Iss. 4, Pages 1201-1601

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