AWWA-B301-2004.pdf
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1、The Authoritative Resource for Safe Drinking WaterSM ANSI/AWWA B301-04 (Revision of ANSI/AWWA B301-99) AWWA Standard Effective date: Sept. 1, 2004. First edition approved by AWWA Board of Directors Jan. 26, 1992. This edition approved Jan. 18, 2004. Approved by American National Standards Institute
2、July 14, 2004. Liquid Chlorine Advocacy Communications Conferences Education and Training ? Science and Technology Sections 6666 West Quincy Avenue Denver, CO 80235-3098 T 1.800.926.7337 www.awwa.org Copyright 2004 American Water Works Association, All Rights Reserved. Approved by American National
3、Standards Institute: May 21, 2002. Copyright American Water Works Association Provided by IHS under license with AWWA Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/21/2007 03:26:41 MDTNo reproduction or networking permitted without license from IHS -,-,- ii AWWA Standard Th
4、is document is an American Water Works Association (AWWA) standard. It is not a specification. AWWA standards describe minimum requirements and do not contain all of the engineering and administrative information normally contained in specifications. The AWWA standards usually contain options that m
5、ust be evaluated by the user of the standard. Until each optional feature is specified by the user, the product or service is not fully defined. AWWA publication of a standard does not constitute endorsement of any product or product type, nor does AWWA test, certify, or approve any product. The use
6、 of AWWA standards is entirely voluntary. AWWA standards are intended to represent a consensus of the water supply industry that the product described will provide satisfactory service. When AWWA revises or withdraws this standard, an official notice of action will be placed on the first page of the
7、 classified advertising section of Journal AWWA. The action becomes effective on the first day of the month following the month of Journal AWWA publication of the official notice. American National Standard An American National Standard implies a consensus of those substantially concerned with its s
8、cope and provisions. An American National Standard is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether that person has approved the standard or not, from manufacturing, m
9、arketing, purchasing, or using products, processes, or procedures not conforming to the standard. American National Standards are subject to periodic review, and users are cautioned to obtain the latest editions. Producers of goods made in conformity with an American National Standard are encouraged
10、 to state on their own responsibility in advertising and promotional materials or on tags or labels that the goods are produced in conformity with particular American National Standards. CAUTION NOTICE:The American National Standards Institute (ANSI) approval date on the front cover of this standard
11、 indicates completion of the ANSI approval process. This American National Standard may be revised or withdrawn at any time. ANSI procedures require that action be taken to reaffirm, revise, or withdraw this standard no later than five years from the date of publication. Purchasers of American Natio
12、nal Standards may receive current information on all standards by calling or writing the American National Standards Institute, 25 W. 43rd St., Fourth Floor, New York, NY 10036; (212) 642-4900. Science and Technology AWWA unites the drinking water community by developing and distributing authoritati
13、ve scientific and technological knowledge. Through its members, AWWA develops industry standards for products and processes that advance public health and safety. AWWA also provides quality improvement programs for water and wastewater utilities. All rights reserved. No part of this publication may
14、be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information or retrieval system, except in the form of brief excerpts or quotations for review purposes, without the written permission of the publisher. Copyright 2004 by Ameri
15、can Water Works Association Printed in USA Copyright 2004 American Water Works Association, All Rights Reserved. Approved by American National Standards Institute: May 21, 2002. Copyright American Water Works Association Provided by IHS under license with AWWA Licensee=IHS Employees/1111111001, User
16、=Wing, Bernie Not for Resale, 03/21/2007 03:26:41 MDTNo reproduction or networking permitted without license from IHS -,-,- iii Committee Personnel The AWWA Standards Committee on Disinfectants, which reviewed and approved this standard, had the following personnel at the time of approval: K. Blake
17、Stark, Chair Gary F. Trojak, Vice Chair Consumer Members Illeana Alvarez,* John Preston Water Plant, Hialeah, Fla.(AWWA) B.S. Aptowicz, Philadelphia Water Department, Philadelphia, Pa.(AWWA) H.F. Hanson, Consultant, Woodbridge, Va.(AWWA) A.A. Khan, Pepsi Cola North America, Arlington, Texas(AWWA) R.
18、C. Lorenz, Westerville Water Plant, Westerville, Ohio(AWWA) D.L. Saenz, Los Angeles Water but at 100F (37.8C), the chlorine vapor pressure increases to about 140 psig (1,000 kPa gauge). When the pressure is released, liquid chlorine vaporizes into a greenish-yellow gas about 2.5 times as dense as ai
19、r. One volume of liquid chlorine, when vaporized, will yield about Copyright 2004 American Water Works Association, All Rights Reserved. Approved by American National Standards Institute: May 21, 2002. Copyright American Water Works Association Provided by IHS under license with AWWA Licensee=IHS Em
20、ployees/1111111001, User=Wing, Bernie Not for Resale, 03/21/2007 03:26:41 MDTNo reproduction or networking permitted without license from IHS -,-,- 4AWWA B301-04 460 volumes of gas. At 60F (15.6C) under atmospheric pressure, about 0.8 lb of chlorine is soluble in 100 lb of water (equivalent to about
21、 8 kg of chlorine in 1,000 kg 1 m3 of water).* 4.1.2Reactivity.Neither gaseous nor liquid chlorine is explosive or flamma- ble, but both can react violently with many organic materials and chemicals. Although dry chlorine does not react with (corrode) many metals, it is very reactive (strongly corro
22、sive) when moisture also is present. It will react spontaneously with iron or steel at 483F (251C), and a similar reaction has been reported with copper at elevated temperatures. Dry chlorine will react spontaneously with titanium metal. Sec. 4.2Chemical Requirements The liquid chlorine supplied acc
23、ording to this standard shall be 99.5 percent pure by volume as determined by analyzing the chlorine by the method described in Sec. 5.3.2.1. Sec. 4.3Impurities 4.3.1General.The liquid chlorine supplied according to this standard shall contain no soluble mineral or organic substances in quantities c
24、apable of producing deleterious or injurious effects on the health of persons consuming water that has been treated properly with the liquid chlorine. 4.3.2Product certifications.Liquid chlorine is a direct additive used in the treatment of potable water. This material should be certified as suitabl
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