Jet loop reactors (JLRs) are classified as innovative reactors and remarked by their high mass transfer capabilities. These type of reactors are able to provide high specific interfacial areas and high mass and heat transfer without employing mechanical stirrers [10–13]. Because of these mentioned advantages their usage in wastewater treatment has been started and they were gradually developed. When JLRs are compared with classical reactors they have more advantages with respect to performance and yield.