1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 15029:2012Products used for treatmentof water intended for humanconsumption Iron (III)hydroxide oxideBS EN 15029:2012 BRITISH STANDARDNational forewordThis British Standard
2、 is the UK implementation of EN 15029:2012.It supersedes BS EN 15029:2006 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee CII/59, Chemicals for drinking water treatment.A list of organizations represented on this committee can beobtained on request to i
3、ts secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013 ISBN 978 0 580 77570 3 ICS 13.060.20; 71.100.80 Compliance with a Brit
4、ish Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 January 2013. Amendments issued since publicationDate T e x t a f f e c t e dBS EN 15029:2012EUROPEAN STANDARD NORME EUROPENNE EUROPIS
5、CHE NORM EN 15029 November 2012 ICS 71.100.80 Supersedes EN 15029:2006English Version Products used for treatment of water intended for human consumption - Iron (III) hydroxide oxide Produits utiliss pour le traitement de leau destine la consommation humaine - Oxyde hydroxyde de fer (III) Produkte z
6、ur Aufbereitung von Wasser fr den menschlichen Gebrauch - Eisen(III)hydroxidoxid This European Standard was approved by CEN on 9 September 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a
7、national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A
8、 version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cypr
9、us, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kin
10、gdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15029:2012: EBS EN
11、 15029:2012EN 15029:2012 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Terms, definitions and symbols .54 Description .55 Physical properties 66 Chemical properties 67 Specific properties.78 Test methods 79 Labelling, transportation and storage .7Annex A (informativ
12、e) General information on iron (III) hydroxide oxide .9BS EN 15029:2012EN 15029:2012 (E) 3 Foreword This document (EN 15029:2012) 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 natio
13、nal standard, either by publication of an identical text or by endorsement, at the latest by May 2013, and conflicting national standards shall be withdrawn at the latest by May 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights
14、. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 15029:2006. The significant technical difference between this edition and EN 15029:2006 is as follows: Updating of 9.2 in line with current legislation. According to the CEN/
15、CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary
16、, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15029:2012EN 15029:2012 (E) 4 Introduction In respect of potential adverse effects on the quality of w
17、ater 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 adopt
18、ion of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with the European Standard does not confer or imply acceptance or approval of the product in any of the member states of the EU or EFTA. T
19、he use of the product covered by this European Standard is subject to regulation or control by national authorities. BS EN 15029:2012EN 15029:2012 (E) 5 1 Scope This European Standard is applicable to iron (III) hydroxide oxide used for the treatment of water intended for human consumption. It descr
20、ibes the characteristics of iron (III) hydroxide oxide and specifies the requirements and the corresponding test methods for iron (III) hydroxide oxide. It gives information on its use in water treatment. 2 Normative references The following documents, in whole or in part, are normatively referenced
21、 in this document and are indispensable for its application. 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 consumpt
22、ion 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 ISO 9277, Determination of the specific surface area of solids by gas adsorption BET method 3 Terms,
23、 definitions and symbols For the purposes of this document, the terms, definitions and symbols given in EN 12901:1999 apply. 4 Description 4.1 Identification 4.1.1 Chemical name(s) Iron (III) hydroxide, iron hydroxide oxide. 4.1.2 Synonym or common names Granular ferric hydroxide, granulated iron ox
24、ide, granulated iron oxide hydroxide, synthetic iron oxide, synthetic iron oxide hydroxide, Goethite, Akaganeite. 4.1.3 Chemical formula Fe(OH)3, FeOOH. 4.1.4 CAS Registry Number 1)Iron hydroxide oxide: 51274-00-1. 1) Chemical Abstracts Service Registry Number. BS EN 15029:2012EN 15029:2012 (E) 6 4.
25、1.5 EINECS Reference 2)Iron hydroxide oxide: 257-098-5. 4.2 Commercial form Iron (III) hydroxide oxide is a granular product consisting of irregularly shaped (non-moulded) particles; the product is available in different particle sizes. The water content is a mass fraction of up to 50 %. 5 Physical
26、properties 5.1 Appearance The product consists of black to brown granular material with particles of irregular shape. 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 described by either:
27、 a) effective size (d10)with a maximum deviation of 5 %; uniformity coefficient (U) less than 2,1; minimum size (d1) with a maximum deviation of 5 %. or b) particle size range and mass fraction of oversize and undersize particles; see A.2.2.1. The proportion of oversize plus undersize particles shal
28、l not exceed a mass fraction of 20 % and not more than a mass fraction of 10 % shall be undersized. NOTE 1 The particle size can decrease during transportation and handling. NOTE 2 Other values can be necessary for certain applications. 5.3 Density The bulk density (loose) shall be within 10 % of th
29、e value specified by the manufacturer or supplier. The bed density (backwashed and drained) should be in the range of 500 kg/m3to 1 800 kg/m3. 6 Chemical properties This European Standard specifies the minimum purity requirements for iron (III) hydroxide oxide used for the treatment of water intende
30、d for human consumption. Limits are given for impurities commonly present in the product. Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shall be notified to the user and when necessary to relevant authorities. 2) European Inventory of Ex
31、isting Commercial Chemical Substances. BS EN 15029:2012EN 15029:2012 (E) 7 Users of this product should check the national regulations in order to clarify whether it is of appropriate purity for treatment of water intended for human consumption, taking into account raw water quality, contents of oth
32、er impurities and additives used in the products not stated in this product standard. Limits have been given for impurities and chemical parameters where these are likely to be present in significant quantities from the current production process and raw materials. If the production process or raw m
33、aterials lead to significant quantities of impurities, by-products or additives being present, this shall be notified to the user. After filling, washing and commissioning of a filter system producing drinking water, iron (III) hydroxide oxide should not increase the concentrations of chemical param
34、eters (see 1). NOTE Water-extractable substances, determined in accordance with the method for granular materials given in EN 12902, can be used to estimate the leaching of the chemicals specified in EN 12902. 7 Specific properties The surface area shall be not less than 100 m2/g. 8 Test methods 8.1
35、 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 determined on samples taken at the point of manufacture in accordance with the method of test given EN 12902, us
36、ing wet sieving. 8.2.2 Bulk density loose The bulk density loose shall be determined in accordance with EN 12902, without drying the sample, which could lead to a reduced volume. 8.2.3 Surface area The surface area shall be determined by the BET method, degassing at a maximum of 200 C, in accordance
37、 with ISO 9277. 9 Labelling, transportation and storage 9.1 Means of delivery Iron (III) hydroxide oxide shall be delivered in bulk, in semi-bulk containers, big bags or in drums of plastics-lined cardboard, plastics or steel or suitable bags of various sizes. NOTE In case of dry iron (III) hydroxid
38、e oxide, cardboard drums without plastics-lining can be used. In order that the purity of the 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. BS EN 15029:2012EN 15029:2012 (E
39、) 8 9.2 Labelling according to EU legislation 3)Iron (III) hydroxide oxide is not listed in Annex VI of Regulation (EC) No 1272/2008 at the date of publication of this European Standard. The legislation 2, and its amendments for the purposes of its adaptation to technical and scientific progress con
40、tains a list of substances classified by the EU. Substances not listed in this regulation should be classified on the basis of their intrinsic properties according to the criteria in the regulation by the person responsible for the marketing of the substance. 9.3 Transportation regulations and label
41、ling Iron (III) hydroxide oxide is not listed under a UN 4)number. Iron (III) hydroxide oxide is not classified as a dangerous product for road, rail, sea and air transportation. 9.4 Marking The marking shall include the following: name “Iron (III) hydroxide oxide”, trade name and commercial grade;
42、net mass; name and the address of the supplier and/or manufacturer; statement “This product conforms to EN 15029.” 9.5 Storage 9.5.1 Long-term chemical stability The product is stable and can be stored for a period of at least one year. 9.5.2 Storage incompatibilities The product shall be kept away
43、from strong acids, oxidants, solvents and odorous products. 3) See 2. 4) United Nations Number. BS EN 15029:2012EN 15029:2012 (E) 9 Annex A (informative) General information on iron (III) hydroxide oxide A.1 Origin A.1.1 Raw materials The raw material for iron (III) hydroxide oxide is a synthesised
44、iron (III) hydroxide. A.1.2 Manufacturing process Iron (III) hydroxide oxide is prepared from iron containing solutions. The granulation includes the application of high pressure such that water is separated to form a product with high porosity and specific surface area. A.2 Typical properties A.2.1
45、 Chemical composition The products covered by this European Standard contain pure iron compounds and have a water content up to 50 % mass fraction. The structure can be determined by means of X-ray diffractometry. The chemical composition is relatively constant. The product typically contains a mass
46、 fraction of 61 % Fe, based on dried material. Typical and maximum concentrations of trace metals are given in Table A.1. Table A.1 Trace metals concentrations a Element Maximum Typical mg/kg mg/kg Arsenic As 20 10 Cadmium Cd 5 5 Lead Pb 40 10 Copper Cu 100 30 Chromium Cr 250 100 Nickel Ni 250 100 Z
47、inc Zn 250 100 Manganese Mn 3 000 1 500 aValues are for dried material. BS EN 15029:2012EN 15029:2012 (E) 10 A.2.2 Physical properties A.2.2.1 Particle size range An example of particle size range is 0,3 mm to 2,0 mm. NOTE Depending on the application, other particle size distributions can be used.
48、A.2.2.2 Density The absolute density of iron (III) hydroxide oxide is 1,55 g/cm3to 1,8 g/cm3; the bulk density (loose and packed) can vary with the particle size range. A.2.2.3 Adsorption properties Iron (III) hydroxide oxide removes contaminants from water by adsorption. A number of indices are use
49、d as surrogates for or measures of the adsorptive capacity of iron (III) hydroxide oxide under specific conditions, including specific surface area (BET isotherm). Specifications for such properties can be the subject of agreement between the customer and the manufacturer/ supplier and the latter should make the test methods available, if requested. A.3 Hydraulic characteristics A.3.1 Head loss during filtration Head loss depends on size, shape and roughness of particles, filtration rate, filter
