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Introduction to Process Control Safety regulations, stronger competition between each plant, tougher environmental regulations, and cost effectiveness have been key factors in the tightening of plant product quality specifications. The complexity of modern process plants had been increasing rapidly. As a result of this modern processes have become more difficult to operate because of the trend toward larger, more […]
Type of Pump The selection of type and construction of a pump is very important to meet the process specification and proper application. Knowledge of the variety of pumps in the market should be review. It is mentioned before, that there are two general types of pump in today’s industry: positive displacement and centrifugal (dynamic) pumps. Positive […]
There are several uses for compressed air in a plant. Many valves and instruments are pneumatic. Maintenance and construction tools often require compressed air as a power source. Air is required in some processes. It is used for decoking furnaces and for regenerating some catalysts and desiccants. Figure 1 shows a typical compressed air system […]
