College of Chemical Engineering, University of Technology discussed a master dissertation on the treatment of petroleum wastewater to remove oil and COD using a photocatalytic method by the postgraduate student, Ms. Evelyn Ayoub Dawood.
The dissertation aimed at removing organic pollutants such as oil and COD from petroleum wastewater using photocatalytic technology, as well as preparing two types of biochar using sustainable biomaterials such as leucina seed husks and pistachio shells using a pyrolysis method.
The dissertation included the fabrication of a biochar-zinc oxide composite as a low-cost photocatalyst using a co-precipitation method.
The dissertation highlighted that complete removal of oil and COD was achieved using the zinc oxide photocatalyst loaded on leucina shells, while the removal rate using the zinc oxide photocatalyst loaded on pistachio shells reached 90.20% for oil and 88.80% for COD.
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