Dealing with steam trap leaks
Article Abstract:
The temperature method, sonic method, visual method and electronic monitoring are the techniques used in detecting steam trap leaks. For instance, the temperature method gives a rough estimate of the system's upstream and downstream pressure. However, the temperature method is the least accurate of all the leak detection methods. On the other hand, electronic monitoring can locate failed traps by sensing heat heat or measuring the variables across the trap.
Publication Name: Chemical Engineering
Subject: Engineering and manufacturing industries
ISSN: 0009-2460
Year: 2000
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Process control across the Internet
Article Abstract:
The Internet Control System (ICS) is a Web-enabled control system to be used for unit and area control applications in which controllers, programmable logic controllers (PLCs) and distributed control systems (DCSs) may be ineffective. The ICS has the functionality of a robust control system and the global communication infrastructure of the Internet. It is used to bridge the cost and performance gaps between loop controllers, PLCs and DCSs.
Publication Name: Chemical Engineering
Subject: Engineering and manufacturing industries
ISSN: 0009-2460
Year: 2000
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Crystallization sans solvents
Article Abstract:
Chemical process industries have developed innovative crystallization methods that improve crystal-size distribution and product purity. These methods do not require solvents, the use of which adds impurity to the product. Among the new methods are melt crystallization, suspension crystallization, anti-solvent crystallization and high-pressure crystallization.
Publication Name: Chemical Engineering
Subject: Engineering and manufacturing industries
ISSN: 0009-2460
Year: 2000
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