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Steam and water analysis system (SWAS) [1] is a system dedicated to the analysis of steam or water. In power stations , it is usually used to analyze boiler steam and water to ensure the water used to generate electricity is clean from impurities which can cause corrosion to any metallic surface, such as in boiler and turbine .
MFA is the more target-oriented analysis of substance flow within a system of production, especially within a company. [7] Material flow analysis is the responsibility of both organized governments and industries. [2] While policies produced by governmental bodies create a framework, the actual design and implementation are done by industries.
Example of a continuous flow control loop. Signalling is by industry standard 4-20 mA current loops, and a "smart" valve positioner ensures the control valve operates correctly. The fundamental building block of any industrial control system is the control loop, which controls just one process variable.
Material flow analysis (MFA), also referred to as substance flow analysis (SFA), is an analytical method to quantify flows and stocks of materials or substances in a well-defined system. MFA is an important tool to study the bio-physical aspects of human activity on different spatial and temporal scales.
Hydrometallurgy is a technique within the field of extractive metallurgy, the obtaining of metals from their ores.Hydrometallurgy involve the use of aqueous solutions for the recovery of metals from ores, concentrates, and recycled or residual materials.
In 1959 a competitive system of analysis was introduced by Hans Baruch of Research Specialties Company. That system became known as Discrete Sample Analysis and was represented by an instrument known as the "Robot Chemist." Over the years the Discrete Sample Analysis method slowly replaced the Continuous Flow system in the clinical laboratory. [12]
In tank leaching the ground, classified solids are already mixed with water to form a slurry or pulp, and this is pumped into the tanks. Leaching reagents are added to the tanks to achieve the leaching reaction. In a continuous system the slurry will then either overflow from one tank to the next, or be pumped to the next tank.
In the bullion fire assay process, a sample from the article is wrapped in a lead foil with copper and silver. The wrapped sample, along with prepared control samples, heated at 1,650 °F (or 898.9 °C; temperature varies with exact method) in a cupel made of compressed bone ash or magnesium oxide powder.