The disposal of oil sludge together with construction and demolition waste in Tanzania is still
a challenge in both space and technology. In order to reduce the space requirement for oil
sludge together with construction and demolition waste disposal, the recycling of these
waste becomes a vital option. This paper is mainly concerned with the determination on the
possibility of recycling the oil sludge together with construction and demolition waste into
building material in Tanzania. The materials used were oil sludge from oil re-refining …