Sampling and testing of industrial waters

New Guidance On Boiler Feedwater Sampling and Monitoring Released by ASME | Water …

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The Importance of Boiler Water and Steam Chemistry

Sample nozzles and lines should provide for isokinetic sample velocity and maintain constant high water velocities (minimum of 6 ft/s [1.8 m/s]) to avoid loss of materials. Sample points should be at least 10 diameters downstream of the last bend or flow disturbance.

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New Guidance On Boiler Feedwater Sampling and Monitoring

The Importance of Boiler Water and Steam Chemistry

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Boiler Water Conductivity Measurement Fundamentals

Boiler water testing equipment and procedures explained

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DRAFT BOILER/FEEDWATER GUIDELINES

Boiler water testing equipment and procedures explained - Bright Hub

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Boiler water testing equipment and procedures explained

The boiler water should be maintained at pH 11. This may require an addition of alkaline if the water is not soft. A chemical called a sludge conditioner can be added to treat the solids so that they drop out (precipitate). These treated solids then must be removed from the boiler by blowoff.

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GUIDELINES FOR LOGBOOKS COMPLIANCE TO BOILER …

Feb 24, 2016 · Since acidity and alkalinity have a large effect on the electrical conductivity, it is necessary to neutralize the sample of boiler water before measuring its conductivity. The procedure is as follows: Add a few drops of phenolphthalein indicator solution to the cooled sample (< 25°C). If the sample is alkaline, a strong purple color is obtained.

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Boiler MACT, 40 CFR Part 63, Subpart DDDDD (5D) Questions

Nov 01, 2006 · Extend the water sample nozzle into the pipe a distance 0.23 times the internal radius of the pipe, up to a maximum of 2 inches. The nozzle should be cut at a 45° angle and should face into the direction of flow (see Figure 1). A Pitot tube is an acceptable equivalent. Keep sample lines as short as possible, ideally less than 30 feet.

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An Introduction to Water Sampling and Testing of Water …

The flow of the boiler water sample through the coil must be slow enough so that the cooled boiler water sample is no more than just warm to the hand (approximately 38 °C [100 o F]).

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03 Related boiler water sampling requirements information