Helen Uchenna Modekwe received her master's degree in Process Engineering from the University of Lagos, Nigeria in 2011. Currently, she is a PhD candidate at the department of Chemical Engineering of the University of Johannesburg, South Africa. Her primary research interests are in heterogeneous catalytic processes for waste conversion to value-added materials, Nanotechnology (Carbon nanotubes and nanocomposite) and their applications towards wastewater harvesting and reuse.