Under voltage load shedding (UVLS) and under frequency load shedding (UFLS) is plays vital role in the power system operation. As large disturbances are occur frequently in previous days. Generally these two methods are work independently from each other, and are not designed to integrated way to use their combined effect on load shedding. The reactive power hardly consider in load shedding pro...

It is well documented that the use of grinding aids (GAs) can reduce milling energy consumption. However, impact GAs on downstream processes must be addressed in view complex such as froth flotation separation. This study investigates effects polyacrylic-based (Zalta™ GR20-587: AAG) performance and quartz from magnetite. Various AAG dosages conditions were examined. The results showed lower con...

nowadays distillation is recognized as one of the economical and the most trustable separation methods in chemical, petroleum, gas and petrochemical industries. it is almost used as a first and the most applicable choice in separation methods. in this article the effect of inlet downcomer on the hydrodynamics of industrial sieve tray has been elaborated. the study was carried out by using a 3-d...

In flotation process, the efficiency and selectivity depend on mineralogy, particle size distribution liberation, reagents added, mixing, coverage. However, kinetics of recovery is highly dependent cell hydrodynamic circuit configuration operational strategy. Controlling froth depth gas flow rate, measured as superficial velocity, a straightforward alternative related to in collection zones. th...

Fundamental studies of surface forces in foam films are carried out to explain the stability of foams and froths in froth flotation. The thin film pressure balance (TFPB) technique was used to study the surface forces between air bubbles in water from equilibrium film thickness and dynamic film thinning measurements. The results were compared with the disjoining pressure predicted from the Derj...