[1] Anna Univ, Dept Civil Engn, Reg Campus, Tirunelveli, Tamil Nadu, India
[2] Anna Univ, Dept Phys, Reg Campus, Tirunelveli, Tamil Nadu, India
[3] Ton Duc Thang Univ, Fac Environm & Labour Safety, Green Proc Bioremediat & Alternat Energies Res Gr, Ho Chi Minh City, Vietnam
[4] Sultan Qaboos Univ, Fac Engn, Petr & Chem Engn Dept, Muscat, Oman