Consensus on Operating Practices for the Control of Feedwater and Boiler Water Chemistry in Industrial & Institutional Boilers PDF Download
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Languages : en
Pages : 0
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Languages : en
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Publisher: American Society of Mechanical Engineers
ISBN: 9780791885093
Category : Technology & Engineering
Languages : en
Pages : 82
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Book Description
The Water Technology Subcommittee of the ASME Research and Technology Committee on Water and Steam in Thermal Systems, under the leadership of Mr. Robert D. Bartholomew has revised the Consensus on Operating Practices for the Control of Feedwater Boiler Water Chemistry in Modern Industrial Boilers, first published in 1979 with prior revisions published in 1994 and 1998.The task group consisted of a cross section of manufacturers, operators, chemical treatment contractors and consultants involved in the fabrication and operation of industrial and institutional boilers. Members of this group are listed in the acknowledgments. This current document is an expansion and revision of the original, with reordered and modified texts where considered necessary. While significant revisions have been incorporated, it is recognized that there are areas of operating practice not addressed herein. Additional information is available from the references. It is the plan of the ASME Research Committee to continue to review this information, and revise and reissue this document as necessary to comply with advances in boiler design and water conditioning technology.
Author: ASME Press
Publisher:
ISBN: 9780791802489
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
This publication provides recommendations for water chemistry monitoring and is a companion to the ASME "Consensus on Operating Practices for the Control of Feedwater and Boiler Water Chemistry in Modern Industrial Boilers," "A Practical Guide to Avoiding Steam Purity Problems in the Industrial Plant," and "Consensus on Operating Practices for Control of Water and Steam Chemistry in Combined Cycle and Cogeneration Power Plants." These documents provide guidance for avoiding the penalties of severe corrosion or deposition in steam generation systems and end user equipment.
Author: Colin Frayne
Publisher: Chemical Publishing Company
ISBN: 9780820601731
Category : Technology & Engineering
Languages : en
Pages : 66
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Book Description
Table of Contents: About the Author - Saturated steam temperatures at various boiler pressures - Boiler Energy and Power Units - Typical gross heating values of common fuels (based on approximately 80% fuel to steam efficiency) - Typical energy consumption and output ratings for a fire tube boiler - Steam tables suitable for pressure deaerators - Calculating Blowdown - Coefficients of thermal conductivity for some heat-exchanger metals and boiler deposits - Types of water or steam commonly employed in most HW heating and steam generating plants - Commonly occurring minerals in natural MU water sources - Specific waterside / steamside problems affecting MPHW and HPHW boiler plants - Salt concentration indicators - Summary of waterside / steamside problems affecting LPHW and LP steam heating boiler plants - FW contamination from MU water - FW contamination from returned condensate - Problems associated with the final FW blend - Deposition of boiler section waterside surfaces by alkaline earth metal salts, other inorganic salts and organics - Silica and silicate crystalline scales and deposits affecting boiler section waterside surfaces - Iron oxide and other boiler section corrosion debris deposits - Boiler section corrosion problems involving oxygen, concentration cells and low pH - Stress and high temperature related corrosion - Steam purity, quality and other operational problems - Specification for grades of high-quality water suitable for higher pressure WT boilers - Practical considerations for a RW ion-exchange softener - Types of Internal Treatment Program - Carbonate Cycle Requirement Calculations - Phosphate-Cycle Requirement Calculations - A Guide to Tannin Residuals in BW - Carbonate-Cycle Program. BW Carbonate Reserve Requirements by Pressure and Sulfate Concentration - Carbonate-Cycle Coagulation and Precipitation Program. Recommended BW Control Limits for Non-Highly-Rated FT Boilers Employing Hard or Partially Softened FW - Phosphate-Cycle Coagulation and Precipitation Program. Recommended BW Control Limits for Non-Highly-Rated FT Boilers Employing Hard, Partially Softened, or Fully Softened FW - Phosphate-Cycle Coagulation and Precipitation Program. Recommended BW Control Limits for Non-Highly-Rated WT Boilers Employing Hard, Partially Softened, or Fully Softened FW - Chelant demand (ppm product) per 1ppm substrate EDTA Chelant or All-Polymer/All-Organic Program. Recommended BW Control Limits for Fired WT Boilers Employing Demineralized or Similar Quality FW - Oxygen Solubility at Atmospheric Pressure - Properties of Oxygen Scavengers - Carbon Dioxide Evolution from FW Alkalinity - Amine Requirement to Reach a Stable Condensate pH - Amine Basicity Dissociation Constants - Neutralizing Amine Summary Notes - Some DR values for CO2, NH3 and neutralizing amines at various pressures - Calculating Alkalinity Feed-Rate Requirements - [ASME Consensus table 1: Suggested water chemistry limits. Industrial watertube, high duty, primary fuel fired, drum typeMakeup water percentage: Up to 100% of feedwater. Conditions: Includes superheater, turbine drives or process restriction on steam purity] - [ASME Consensus table 2: Suggested chemistry limits. Industrial watertube, high duty, primary fuel fired, drum type] - [ASME Consensus table 3: Suggested chemistry limits. Industrial firetube, high duty, primary fuel fired] - [ASME Consensus table 4: Suggested water chemistry limits. Industrial coil type, watertube, high duty, primary fuel fired rapid steam generators] - [ASME Consensus table 5: Suggested water chemistry limits. Marine propulsion, watertube, oil fired drum type] - [ASME Consensus table 6: Suggested water chemistry limits. Electrode, high voltage, forced circulation jet type] - Notes
Author: ASME Research and Technology Committee on Water and Steam in Thermal Power Systems
Publisher: Asme Handbooks & Manuals
ISBN: 9780791859988
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Prepared by the Heat Recovery Steam Generator Chemistry Limits Task Group and the Water Technology Subcommittee of the ASME Research and Technology Committee on Water and Steam in Thermal Systems. This publication is an important companion to previously published documents prepared to inform and educate the reader and to develop good chemistry control and operating practices for steam and water usage in thermal systems.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309119235
Category : Science
Languages : en
Pages : 313
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Book Description
There has been an exponential increase in desalination capacity both globally and nationally since 1960, fueled in part by growing concern for local water scarcity and made possible to a great extent by a major federal investment for desalination research and development. Traditional sources of supply are increasingly expensive, unavailable, or controversial, but desalination technology offers the potential to substantially reduce water scarcity by converting the almost inexhaustible supply of seawater and the apparently vast quantities of brackish groundwater into new sources of freshwater. Desalination assesses the state of the art in relevant desalination technologies, and factors such as cost and implementation challenges. It also describes reasonable long-term goals for advancing desalination technology, posits recommendations for action and research, estimates the funding necessary to support the proposed research agenda, and identifies appropriate roles for governmental and nongovernmental entities.
Author:
Publisher:
ISBN:
Category : Organic water pollutants
Languages : en
Pages : 484
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Author: United States. National Bureau of Standards
Publisher:
ISBN:
Category : Corrosion and anti-corrosives
Languages : en
Pages : 756
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Author: Sarah M. Forbes
Publisher:
ISBN: 9781569737019
Category : Carbon dioxide mitigation
Languages : en
Pages : 0
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Book Description
The Carbon Dioxide Capture and Storage (CCS) Guidelines effort was initiated to develop a set of preliminary guidelines and recommendations for the deployment of CCS technologies in the United States, to ensure that CCS projects are conducted safely and effectively. The guidelines are written for those who may be involved in decisions on a proposed project: the developers, regulators, financiers, insurers, project operators, and policy makers. These guidelines are intended to guide full-scale demonstration of and build public confidence in CCS technologies by informing how projects should be conducted.
Author: International Development Research Centre (Canada)
Publisher: IDRC
ISBN: 0889367906
Category : Industrial policy
Languages : en
Pages : 393
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Book Description
Technology Policy and Practice in Africa
