1、July 2009DEUTSCHE NORM English price group 10No part of this standard may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 71.100.80!$XkE“1537234www
2、.din.deDDIN EN 12907Products used for treatment of water intended for human consumption Pyrolyzed coal materialEnglish version of DIN EN 12907:2009-07Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Thermisch behandelte KohleprodukteEnglische Fassung DIN EN 12907:2009-07SupersedesDI
3、N EN 12907:2003-08www.beuth.deDocument comprises pages16DIN EN 12907:2009-07 National foreword This standard has been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (W
4、ater Practice Standards Committee), Technical Committee NA 119-04-02 AA Wasseraufbereitung. Users of this standard are advised of the reservations stated in the Introduction of the European Standard and should note that national regulations exist in Germany dealing with water for human consumption,
5、in particular the Trinkwasserverordnung (TrinkwV2001) (German Drinking Water Ordinance). Amendments This standard differs from DIN EN 12907:2003-08 as follows: a) General purity criteria have been given in more detail. b) The bibliography has been updated. Previous editions DIN EN 12907: 1999-10, 20
6、03-08 National Annex NA (informative) Bibliography Verordnung zur Novellierung der Trinkwasserverordnung (German Regulation amending the German Drinking Water Regulation), as of 21 May 2001, BGBl. (German Federal Law Gazette) I (2001), No. 24, pp. 959-9801)1)Registered in the DITR database of DIN So
7、ftware GmbH, obtainable from: Beuth Verlag GmbH, 10772 Berlin. 2 EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12907March 2009ICS 71.100.80 Supersedes EN 12907:2003 English VersionProducts used for treatment of water intended for humanconsumption - Pyrolyzed coal materialProduits chimiques pour
8、le traitement de leau destine laconsommation humaine - Charbon pyrolysProdukte zur Aufbereitung von Wasser fr 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 Regula
9、tions 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 Euro
10、pean 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 natio
11、nal 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 Uni
12、ted Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: Avenue Marnix 17, B-1000 Brussels 2009 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12907:2009: EEN 1
13、2907:2009 (E) 2 Contents Foreword 3Introduction .41 Scope 52 Normative references 53 Terms and definitions .54 Description .54.1 Identification .54.2 Commercial forms .55 Physical properties 55.1 Appearance 55.2 Particle size distribution .55.3 Density 66 Chemical properties 66.1 Composition of comm
14、ercial product .66.2 Purity criteria 67 Specific properties.78 Test methods 78.1 Sampling .78.2 Analysis 79 Labelling, transportation and storage .89.1 Means of delivery .89.2 Risk and safety labelling in accordance with EU Directives 89.3 Transportation regulations and labelling 89.4 Marking .89.5
15、Storage 9Annex A (informative) General information on pyrolyzed coal material 10A.1 Origin . 10A.2 Properties 10A.3 Use . 11A.4 Hydraulic characteristics . 12A.5 Rules for safe handling and use . 12A.6 Emergency procedures 12Bibliography . 14DIN EN 12907:2009-07 EN 12907:2009 (E) 3 Foreword This doc
16、ument (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,
17、 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
18、. 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 implem
19、ent 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 a
20、nd the United Kingdom. DIN EN 12907:2009-07 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 pr
21、oduct 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 w
22、ith 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. DIN EN 12907:2009-07 EN 12907:2009 (E) 5 1 Scope This
23、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 it
24、s 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.
25、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 d
26、efinitions 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
27、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
28、 extraneous matter. 5.2 Particle size distribution The particle size distribution shall be determined on samples taken at the point of manufacture. DIN EN 12907:2009-07 EN 12907:2009 (E) 6 The particle size distribution shall be described by either: a) effective size: (d10) with a permitted toleranc
29、e of 5 %; uniformity coefficient: (U) shall be less than 1,5; minimum size: (d1) with a permitted tolerance of 5 %; b) or, by particle size range and by mass of oversize and undersize particles according to application: the maximum permitted contents of oversize and undersize are mass fraction 5 % f
30、or application of the product as a filtration layer in multi-media filters and mass fraction 10 % for use in single media filters. For use as a support layer, maximum contents of oversize and undersize of mass fraction 15 % are acceptable. See A.2.3 for examples of available particle sizes that are
31、used. NOTE 1 The particle size can decrease during transportation and handling. NOTE 2 Other values can be necessary for certain applications. 5.3 Density 5.3.1 Bulk density loose The bulk density loose shall be in the range of 450 kg/m3to 560 kg/m3. 5.3.2 Bulk density packed The bulk density packed
32、 shall be in the range of 460 kg/m3to 580 kg/m3. 6 Chemical properties 6.1 Composition of commercial product The composition of the commercial product shall conform to the requirements specified in Table 1. Table 1 Composition of commercial product Parameter Content of the commercial product in mass
33、 fraction % C (water and ash free basis) min. 85 Ash max. 15Volatile matter max. 5 NOTE 1 Values of these parameters do not influence filtration properties, but give information about the source of pyrolyzed coal material. NOTE 2 Further information is given in A.2.1. 6.2 Purity criteria 6.2.1 Gener
34、al This European Standard specifies the minimum purity requirements for pyrolyzed coal material used for the treatment of water intended for human consumption. Limits are given for impurities commonly present in the DIN EN 12907:2009-07 EN 12907:2009 (E) 7 product. Depending on the raw material and
35、the manufacturing process, other impurities may be present and, if so, this shall be notified to the user and, when necessary, to the relevant authorities. NOTE Users of this product should check the national regulations in order to clarify whether it is of appropriate purity for treatment of water
36、intended for human consumption, taking into account raw water quality, contents of other impurities and additives used in the products not stated in the product standard. Limits have been given for impurities and chemical parameters where these are likely to be present in significant quantities from
37、 the current production process and raw materials. If the production process or raw materials lead to significant quantities of impurities, by-products or additives being present, this shall be notified to the user. 6.2.2 Water-extractable substances The product shall conform to the requirements spe
38、cified in Table 2. Table 2 Water-extractable substances Substance Limit in the extraction waterg/l Arsenic (As) max. 10 Cadmium (Cd) max. 0,5 Chromium (Cr) max. 5 Mercury (Hg) max. 0,3 Nickel (Ni) max. 5 Lead (Pb) max. 5 Antimony (Sb) max. 3 Selenium (Se) max. 3 Cyanide (CN) max. 5 PAH amax. 0,02 aP
39、olycyclic Aromatic Hydrocarbons: the sum of the detected concentrations of fluoranthene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, benzo(ghi)perylene, indeno(1,2,3-cd)pyrene. 7 Specific properties Pyrolyzed coal material is not an activated carbon but does show adsorption propertie
40、s. Under defined conditions, it removes chlorine and ozone as well as organic matter. 8 Test methods 8.1 Sampling Prepare the laboratory sample(s) required by the relevant procedures described in EN 12902. 8.2 Analysis 8.2.1 Particle size distribution The particle size distribution shall be determin
41、ed in accordance with EN 12902. DIN EN 12907:2009-07 EN 12907:2009 (E) 8 8.2.2 Bulk density loose The bulk density loose shall be determined in accordance with EN 12902. 8.2.3 Bulk density packed The bulk density packed shall be determined in accordance with EN 12902. 8.2.4 Content of carbon The con
42、tent of carbon shall be determined in accordance with EN 12902. 8.2.5 Ash The ash shall be determined in accordance with EN 12902. 8.2.6 Content of volatile matter The content of volatile matter shall be determined in accordance with EN 12902. 8.2.7 Content of water-extractable substances The conten
43、t of water-extractable substances shall be determined in accordance with the method for granular materials given in EN 12902. 9 Labelling, transportation and storage 9.1 Means of delivery Pyrolyzed coal material shall be delivered in bags, semi-bulk containers, or bulk. In order that the purity of t
44、he product is not affected, the means of delivery shall not have been used previously for any different product or it shall have been specially cleaned and prepared before use. 9.2 Risk and safety labelling in accordance with EU Directives 1)At the date of publication of this European Standard, pyro
45、lyzed coal material was not listed as a dangerous substance. NOTE Annex I of the Directive 67/548/EEC on Classification, packaging and labelling of dangerous substances and its amendments and adaptations in the European Union contains a list of substances classified by the EU. Substances not in this
46、 Annex I list should be classified on the basis of their intrinsic properties according to the criteria in the Directive by the person responsible for the marketing of the substance. 9.3 Transportation regulations and labelling At the date of publication of this European Standard, pyrolyzed coal mat
47、erial was not a dangerous cargo. 9.4 Marking The marking shall include the following: the name “pyrolyzed coal material“, trade name and particle size range; the net mass or the volume; 1) See 1. DIN EN 12907:2009-07 EN 12907:2009 (E) 9 the name and the address of the supplier and/or manufacturer; t
48、he statement “this product conforms to EN 12907“. 9.5 Storage Pyrolyzed coal material can be stored for an unlimited period of time. DIN EN 12907:2009-07 EN 12907:2009 (E) 10 Annex A (informative) General information on pyrolyzed coal material A.1 Origin A.1.1 Raw material Natural coal. A.1.2 Manufa
49、cturing process Pyrolyzed coal material is produced from natural coal, thermally treated in a special oven, and sieved. A.2 Properties A.2.1 Chemical composition The composition depends on the origin of the raw material. Typical values are given in Table A.1 (the important components are given in Clause 6). Table A.1- Chemical composition Parameter Content of the commercial product in mass fraction % SiO2max. 2 Fe2O3max.Al2O3max.
