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McIlvaine Insights Issue 192, March 11, 2022
• Overview • The Russian Factor Can Increase AWE Revenues by 35% or Decrease them by 50%
Revision Date: 3/15/2022
Tags: 334413 - Semiconductor and Other Electronic Component Manufacturing , McIlvaine, Market, Revenue, Sales, McIlvaine Insights, Russia
Valves for Ultrapure Water - Mcilvaine article in Valve World
Revision Date: 11/6/2015
Tags: 221112 - Fossil Fuel 化石燃料, 221112 - Fossil Fuel 化石燃料, 221118 - Other Electric Power , 325412 - Pharmaceutical Preparation Manufacturing , 334413 - Semiconductor and Other Electronic Component Manufacturing , McIlvaine, GEMU Valves, KSB, KCI Technologies, High Performance Valve, Valve, Ultrapure Water, Water Treatment, Valve World
Electronic treatment removes silica scale in power and semiconductor applications
Silicate has a special form, which is called covalent bond, but most scales have an ionic bond so ion exchangers or Reverse Osmosis Systems are available for removing them. But ion exchanger or RO System can’t remove silicate scale. In addition, silicate scale can’t be dissolved by acid cleaning. Also the magnet treatment developed in the West is subject to restriction in the size of pipe, flow velocity and so on. Furthermore, it is developed to remove scales caused by hard water. Its effect on soft water like in Japan has not been proved. Scalewatcher ,electronic water treatment equipment, made it possible to remove silicate scale which was impossible by chemical treatment or magnet treatment device within a short time
Revision Date: 1/11/2012
Tags: 221112 - Fossil Fuel 化石燃料, 334413 - Semiconductor and Other Electronic Component Manufacturing , Scalewatcher, Silica Scale, Ultrapure Water, Cooling
Silica Scale problems Occur in Western U.S., Southern Europe and pacific Rim
The solubility of amorphous silica is important to the operation of water-dominated production processes. In areas such as Texas, New Mexico, Arizona, parts of California, southern Europe, the Pacific Rim and Latin America, the water used for industrial applications contains high silica concentrations (50 parts per million [ppm] to 100 ppm, expressed as silicon dioxide [SiO2]). These concentrations result from quartz (crystalline SiO2) dissolution from rock formations into the groundwater. The potential for silica-scale deposition poses serious problems in water with a high dissolved silica content. In fact, silica-scale problems could be termed the Gordian Knot of water treatment," such problems are extremely difficult to resolve. Personnel responsible for power plants, evaporative cooling systems, semiconductor manufacturing and geothermal systems must monitor water silica levels very closely. Silica precipitation/deposition frequently is encountered in evaporative cooling systems, where salt concentrations increase through partial evaporation of the cooling water. Silica solubility in water generally is 150 ppm to 180 ppm, depending on water chemistry and temperature. This imposes severe limits on water users, leading either to operation at very low cycles of concentration and consuming enormous amounts of water, or to use of chemical water treatment techniques that prevent silica-scale formation and deposition.
Revision Date: 1/6/2012
Tags: 221118 - Other Electric Power , 334413 - Semiconductor and Other Electronic Component Manufacturing , Silica Scale, Water Treatment, Chemical Processing
Electrodeionization: an InterWebView™ with Michael Snow, President of Snowpure
Snowpure is a supplier of electrodeionization modules which are used in 42 countries to purify water used by pharmaceutical and secomiconductor manufacturers as well as by operators of boilers who need ultrapure water for steam production. Presently, the largest single market for the modules is China. Electrodeionization has many advantages over ion exchange including the elimination of acids needed for periodic cleaning. The modules manufactured by Snowpure have unique features and are produced with rigid quality control. As a result, the life of the modules is longer than with some other designs. Snowpure sells exclusively to system suppliers and supports them with extensive training courses and other assistance.
Revision Date: 8/19/2011
Tags: 325412 - Pharmaceutical Preparation Manufacturing , 221112 - Fossil Fuel 化石燃料, 334413 - Semiconductor and Other Electronic Component Manufacturing , SnowPure, Ion Exchange, Electrodeionization, Air Quality, Water for Injection, Ultrapure Water, Boiler Feedwater, China, India