Removal of Heavy Metals from Steel Making Waste Water by Using Electric Arc Furnace Slag | Zendy

Chin Lai Beh | Zendy; T.G. Chuah | Zendy; M. N. Nourouzi | Zendy; Thomas Shean Yaw Choong | Zendy

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Removal of Heavy Metals from Steel Making Waste Water by Using Electric Arc Furnace Slag

Author(s) -

Chin Lai Beh,

T.G. Chuah,

M. N. Nourouzi,

Thomas Shean Yaw Choong

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2012/128275

Subject(s) - electric arc furnace , slag (welding) , metallurgy , waste management , steelmaking , environmental science , materials science , heavy metals , engineering , environmental chemistry , chemistry

This work investigated the reduction of chemical oxygen demand (COD), biological oxygen demand (BOD), total suspended solids (TSS) and the concentration of heavy metals of wastewater from a steel making plant. Adsorption experiments were carried out by electric arc furnace slag (EAFS) in a fixed-bed column mode. The raw wastewater did not meet the standard B limitations, having high values of BOD, COD, TSS, Iron, Zinc, Manganese and Copper. After passing through the fixed bed column, BOD, COD and TSS values decreased to 1.6, 6.3 and <2 mgL-1, respectively while the concentration of Iron, Zinc, Manganese and Copper were 0.08, 0.01, 0.03 and 0.07 mgL-1, respectively. The results confirmed that EAFS can be used as an efficient adsorbent for producing treated water that comply with the Standard B limitations for an industrial effluent

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