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Two test methods for evaluating water quality for subsurface injection: A. rate versus cumulative volume test (for water-quality monitoring) B. Suspended solids test (for diagnosis or monitoring). Historical Document 1999
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A pilot plant method for determining the extent and rate of uniform corrosion of metals in circulating water or aqueous solutions at temperatures greater than 100 C° (212° F) but less than approximately 360° C (680° F). Historical Document 1974
This NACE standard test method describes a multiple-tube test heat exchanger that can be used by process industry facilities to monitor corrosion and fouling control in cooling tower water systems. Historical Document 1994
This NACE standard test method describes a multiple-tube test heat exchanger that can be used by process industry facilities to monitor corrosion and fouling control in cooling tower water systems. Historical Document 2001
This technical report presents evaluation techniques which can potentially be used to complement performance criteria of international standards, especially if the criteria cannot be employed to evaluate the effectiveness of cathodic protection and corrosion control techniques applied to existing reinforced concrete structures, including atmospherically exposed, buried, and submerged structures.
This report:
This report is intended to be useful to architects, structural engineers, architectural conservators, and consulting engineers/contractors who are engaged in refurbishing steel-reinforced concrete structures and buildings.
Revised in 2020! Assessment of corrosion in the field is complex because of the variety of applications, process conditions, and fluid phases that exist in industrial plants where corrosion occurs. A wide range of direct and indirect measurement techniques is available, but each technique has its strengths and weaknesses. In some applications, certain techniques cannot be used. Some techniques can be used online, while others are used off-line. Commonly, more than one technique is used so the weaknesses of one are compensated for by the strengths of another. In other cases, a combination of different techniques can be synergistic, such as process sampling along with detection of corrosion upset.
The purpose of this technical committee report is to analyze the various techniques with respect to their benefits and limitations across the broad spectrum of industries in which they are used.
This revision incorporates Guided Wave Monitoring (GWM), On-Line Gas Chromatography (GC), and Acoustic Solid Detection (ASD) techniques and updates references to NACE standards.
This technical report applies to water-using cooling and heating systems in buildings. It provides information for minimizing system damage and operational interference because of corrosion, scale, fouling, and microbiological growth in building heating, ventilation, and air conditioning (HVAC) systems. This includes open and closed circulating water systems, low-pressure steam boilers and hot water “boilers.” The document also addresses thermal energy storage systems, but does not address potable water or fire protection systems. It is intended for use by building owners and engineering, maintenance, and operations management personnel. It is also intended for use by those involved in the design and construction of building HVAC systems so that corrosion, scale, fouling, and microbiological growth problems described above can be understood, anticipated, and minimized through appropriate design decisions.
The wastewater industry embraces “going green” but it is not just about the latest and greatest VOC compliant products on the market. Green starts with advanced coatings technology and the knowledge and support of the industry professionals from design to completion and beyond.
Testing is performed in seawater cooled scale model heat exchangers with 0.5 ppm residual chlorine during a period of 18 months. Thus, it shows a corrosion resistance of the materials at a heat flux representative to a tube skin temperature up to 95°C inside in the seawater.
Both mesophilic and thermophilic anaerobic digesters are currently being utilized to treat sludge derived from more than typical municipal sewerage sources. Wastewater treatment plants are accepting septage and sludge from food waste and industrial contributors routinely today. Receiving these other sources of waste which are extremely high in volatile solids is a source of significant income for the utilities.
This paper will provide information on the standards used in evaluating and determining correct application and selection of protective coatings and linings used in the wastewater industry. It will also highlight certification that can be used in evaluating contractors and inspection companies used in the coating and lining process.
This presentation briefly updates a two-part article printed in Water Engineering & Management in 2001. It begins with the benefits of waterborne coatings and gives examples of where they may be used.