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STANDARDSIST EN 12907:20031DGRPHãþD
SIST EN 12907:2009
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12907March 2009ICS 71.100.80Supersedes EN 12907:2003
English VersionProducts used for treatment of water intended for humanconsumption - Pyrolyzed coal materialProduits chimiques pour le traitement de l'eau destinée à laconsommation humaine - Charbon pyrolyséProdukte zur Aufbereitung von Wasser für denmenschlichen Gebrauch - Thermisch behandelteKohleprodukteThis European Standard was approved by CEN on 9 February 2009.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12907:2009: ESIST EN 12907:2009
EN 12907:2009 (E) 2 Contents Foreword .3Introduction .41Scope .52Normative references .53Terms and definitions .54Description .54.1Identification .54.2Commercial forms .55Physical properties .55.1Appearance .55.2Particle size distribution .55.3Density .66Chemical properties .66.1Composition of commercial product .66.2Purity criteria .67Specific properties.78Test methods .78.1Sampling .78.2Analysis .79Labelling, transportation and storage .89.1Means of delivery .89.2Risk and safety labelling in accordance with EU Directives
............................................................89.3Transportation regulations and labelling ............................................................................................89.4Marking ...................................................................................................................................................89.5Storage ....................................................................................................................................................9Annex A (informative)
General information on pyrolyzed coal material . 10A.1Origin . 10A.2Properties . 10A.3Use . 11A.4Hydraulic characteristics . 12A.5Rules for safe handling and use . 12A.6Emergency procedures . 12Bibliography . 14 SIST EN 12907:2009
EN 12907:2009 (E) 3 Foreword This document (EN 12907:2009) has been prepared by Technical Committee CEN/TC 164 “Water supply”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12907:2003. Differences between this edition and EN 12907:2003 are editorial to harmonize the text with other standards in this series. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
SIST EN 12907:2009
EN 12907:2009 (E) 4 Introduction In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this European Standard: a) this European Standard provides no information as to whether the product may be used without restriction in any of the Member States of the EU or EFTA; b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with this standard does not confer or imply acceptance or approval of the product in any of the Member States of the EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities. SIST EN 12907:2009
EN 12907:2009 (E) 5 1 Scope This European Standard is applicable to pyrolyzed coal material used for treatment of water intended for human consumption. It describes the characteristics of pyrolyzed coal material and specifies the requirements and the corresponding test methods for pyrolyzed coal material. It gives information on its use in water treatment. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 12901:1999, Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Definitions EN 12902, Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12901:1999 apply. 4 Description 4.1 Identification 4.1.1 Chemical name Carbon (C). 4.1.2 Synonym or common names None. 4.2 Commercial forms Pyrolyzed coal material, according to this standard, is a thermally treated coal and is available in different particle size ranges. 5 Physical properties 5.1 Appearance The product is a brown to black coloured dull granular material with spherical or angular shape, porous structure, and smooth texture. The product shall be generally homogeneous and shall be visibly free of extraneous matter. 5.2 Particle size distribution
The particle size distribution shall be determined on samples taken at the point of manufacture.
SIST EN 12907:2009
EN 12907:2009 (E) 6 The particle size distribution shall be described by either: a) effective size: (d10)
with a permitted tolerance of ± 5 %; uniformity coeffic
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