Page 8 - Science in Africa

Professor Donbebe Wankasi

PURIFYING POLLUTED RIVERS

rofessor Donbebe Wankasi is acting written more than 45 peer-reviewed articles Technology (VUT) and he has spent 11 months
head and senior lecturer for the inclusive of journal articles and conference at VUT as visiting professor in the department
Pdepartment of chemical sciences at the proceedings. of chemistry.
Niger Delta University in Nigeria. He is a member of many international Professor Wankasi uses adsorption
He is an expert in the field of adsorption, the professional bodies in chemicals sciences. He is techniques to purify wastewater from harmful
adhesion of atoms, ions, or molecules from a gas, working on collaborative projects with Professor metal ions. His research work has benefited
liquid, or dissolved solid to a surface, and has Ezekiel Dikio at the Vaal University of many Africans exposed to polluted rivers.

Professor Thokozani Majozi

hokozani Majozi is a full
professor at the School of
Chemical and Metallurgical Saving water
Engineering, Wits University,
where he also holds an
TNRF/DST Chair in Sustainable
Process Engineering. His major contributions
to research are the development of a
continuous-time framework for the synthesis
of batch plants, a novel technique for near
zero-effluent batch chemical facilities, and a
process integration technique for integrated
water and membrane network systems. All
these contributions have been adopted by
industry.
Prior to joining Wits in 2013, he was a
professor at the University of Pretoria, where
he spent nearly 10 years, and an associate
professor in computer science at the
University of Pannonia in Hungary from 2005
to 2009. A chemical engineer by profession,
Majozi completed his PhD in Process
Integration at the University of Manchester
Institute of Science and Technology in the
UK.
He is a member of various international
scientific committees and a Fellow for the
Academy of Sciences of South Africa ,
Academy of Engineering of SA, Water
Institute of Southern Africa and
African Academy of Sciences. He
spent the early years of his career
working for Unilever, Dow
AgroSciences and Sasol
Technology.
8 SCIENCE IN AFRICA