Abstract
One of the critical approaches for scale control is the proper selection and use of scale inhibitors. Laboratory tests help to select the appropriate scale inhibitor with the most common testing methods, including static bottle test and dynamic scaling loop test. Recently, Kinetic Turbidity Test (KTT) has gained increased recognition as a new testing method for scale inhibitor evaluation due to short testing time, simple sample preparation, and good reproducibility. There has been a good deal of research and studies on KTT as a technique for multifunctional scales, including calcium carbonate and barium sulfate (especially low scaling brines), halite and silicates. In addition, KTT can examine dispersant effects of polymers and surfactants on scale and other solids and can work under anaerobic conditions to give mechanistic understanding in the presence of iron. This paper discusses an alternative and efficient scale inhibitor testing method and gives insight for scale treatment chemistry and dosage by comparing and contrasting the different evaluation methods for scale inhibitors.