1、BSI Standards PublicationBS EN 1017:2014Chemicals used for treatmentof water intended for humanconsumption Half-burntdolomiteBS EN 1017:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 1017:2014. Itsupersedes BS EN 1017:2008 which is withdrawn.The UK partici
2、pation 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 its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users
3、are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84653 3ICS 13.060.20; 71.100.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the author
4、ity of theStandards Policy and Strategy Committee on 31 August 2014.Amendments issued since publicationDate Text affectedBS EN 1017:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1017 July 2014 ICS 71.100.80 Supersedes EN 1017:2008English Version Chemicals used for treatment of water inten
5、ded for human consumption - Half-burnt dolomite Produits chimiques pour le traitement de leau destine la consommation humaine - Dolomie semi-calcine Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Halbgebrannter Dolomit This European Standard was approved by CEN on 20 June 2014.
6、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 national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on a
7、pplication to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
8、 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
9、Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue
10、Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1017:2014 EBS EN 1017:2014EN 1017:2014 (E) 2 Contents Page Foreword 4 Introduction .5 1 Scope 6 2 Normative references 6 3 Description .6 3.1 Identific
11、ation .6 3.1.1 Chemical name .6 3.1.2 Synonym or common name 6 3.1.3 Relative molecular mass .6 3.1.4 Empirical formula.6 3.1.5 Chemical formula .6 3.1.6 CAS Registry Number 6 3.1.7 EINECS reference .6 3.2 Commercial forms .7 3.3 Physical properties 7 3.3.1 Appearance 7 3.3.2 Density 7 3.3.3 Solubil
12、ity in water 7 3.3.4 Vapour pressure 7 3.3.5 Boiling point at 100 kPa .7 3.3.6 Melting point .7 3.3.7 Specific heat .7 3.3.8 Viscosity (dynamic) .7 3.3.9 Critical temperature .7 3.3.10 Critical pressure.7 3.3.11 Physical hardness .7 3.3.12 Particle size 7 3.4 Chemical properties 8 4 Purity criteria
13、8 4.1 General 8 4.2 Composition of commercial product .8 4.3 Impurities and main by-product .8 4.4 Chemical parameters 9 5 Test methods 9 5.1 Sampling - solid .9 5.2 Analyses .9 6 Labelling - Transportation - Storage 9 6.1 Means of delivery .9 6.2 Labelling according to the EU legislation 10 6.3 Tra
14、nsportation regulations and labelling . 10 6.4 Marking 11 6.5 Storage . 11 6.5.1 Long term stability 11 6.5.2 Storage incompatibilities . 11 Annex A (informative) General information on half-burnt dolomite 12 A.1 Origin . 12 BS EN 1017:2014EN 1017:2014 (E) 3 A.1.1 Raw materials 12 A.1.2 Manufacturin
15、g process . 12 A.2 Use 12 A.2.1 Function 12 A.2.2 Other properties 12 A.2.3 Form in which it is used 12 A.2.4 Treatment dose 12 A.2.5 Means of application . 12 A.2.6 Secondary effects 13 A.2.7 Removal of excess product 13 Annex B (normative) General rules relating to safety . 14 B.1 Rules for safe h
16、andling and use 14 B.2 Emergency procedures . 14 B.2.1 First aid . 14 B.2.2 Spillage . 14 B.2.3 Fire 14 Bibliography 15 BS EN 1017:2014EN 1017:2014 (E) 4 Foreword This document (EN 1017:2014) has been prepared by Technical Committee CEN/TC 164 “Water supply”, the secretariat of which is held by AFNO
17、R. 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 January 2015 and conflicting national standards shall be withdrawn at the latest by January 2015. Attention is drawn to the possibility that some
18、 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 1017:2008. Significant technical differences between this edition and EN 1017:2008 are as follows: a) inc
19、rease of limits for lead to 15 mg/kg and for selenium to 5 mg/kg for type A (former type 1) products; b) replacement of warning and safety precaution notes by labelling according to REGULATION (EC) No 1272/2008; c) rules for safe handling and use transferred to new normative Annex B. According to th
20、e CEN-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, H
21、ungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 1017:2014EN 1017:2014 (E) 5 Introduction In respect of potential adverse effects on the quality
22、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
23、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
24、use of the product covered by this document is subject to regulation or control by National Authorities. BS EN 1017:2014EN 1017:2014 (E) 6 1 Scope This European Standard is applicable to half-burnt dolomite used for treatment of water intended for human consumption. It describes the characteristics
25、of half-burnt dolomite and specifies the requirements and the corresponding test methods for half-burnt dolomite. It gives information on its use in water treatment. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable
26、 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 12485, Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime,
27、 half-burnt dolomite, magnesium oxide and calcium magnesium carbonate - Test methods ISO 3165, Sampling of chemical products for industrial use Safety in sampling ISO 6206, Chemical products for industrial use Sampling Vocabulary 3 Description 3.1 Identification 3.1.1 Chemical name Calcium magnesium
28、 carbonate oxide. 3.1.2 Synonym or common name Half-burnt dolomite; dolomite, calcined; half-calcined dolomite. 3.1.3 Relative molecular mass 140,39. 3.1.4 Empirical formula CCaMgO4. 3.1.5 Chemical formula CaCO3.MgO. 3.1.6 CAS Registry Number 1)83897-84-1. 3.1.7 EINECS reference 2)281-192-5. 1) Chem
29、ical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. BS EN 1017:2014EN 1017:2014 (E) 7 3.2 Commercial forms Half-burnt dolomite is available in crushed and granular form of various particle size ranges. 3.3 Physical properties 3.3.1 Appearance The
30、 production is a white or grey granular material. 3.3.2 Density The density is equal to 2,4 g/cm3at 20 C. The bulk density is between 1,05 g/cm3to 1,2 g/cm3. 3.3.3 Solubility in water The solubility of the product is 0,02 g/l at 10 C. 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point at 100
31、kPa 3)Not applicable. 3.3.6 Melting point Not known. 3.3.7 Specific heat Not applicable. 3.3.8 Viscosity (dynamic) Not applicable. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 3.3.11 Physical hardness Not applicable. 3.3.12 Particle size It varies depending on
32、the application (see A.2.3). 3) 100 kPa = 1 bar. BS EN 1017:2014EN 1017:2014 (E) 8 3.4 Chemical properties Half-burnt dolomite reacts as an alkali when dissolved in water. It reacts with carbon dioxide and water to form calcium hydrogen carbonate and magnesium hydrogen carbonate. 4 Purity criteria 4
33、.1 General This European Standard specifies the minimum purity requirements for half-burnt dolomite used for the treatment of water intended for human consumption. Limits are given for impurities commonly present in the product. Depending on the raw material and the manufacturing process other impur
34、ities may be present and, if so, this shall be notified to the user and when necessary to relevant authorities. 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 accou
35、nt raw water quality, required dosage, contents of other impurities and additives used in the product 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
36、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. 4.2 Composition of commercial product The product shall conform to the requirements specified in Table 1. Table 1 Co
37、mposition of commercial product Parameter Content in mass fraction in % of commercial product Free MgO and Mg(OH)2expressed as MgO min. 23 Content of CaCO3expressed as CaCO3min. 68 4.3 Impurities and main by-product The product shall conform to the requirements specified in Table 2. Table 2 Impuriti
38、es Impurity Limit in mass fraction in % of dry product free calcium oxide and calcium hydroxide, expressed as CaO max. 2 Si expressed as SiO2max. 2 Al expressed as Al2O3max. 2 Fe expressed as Fe2O3max. 2 S expressed as SO42-max. 1 BS EN 1017:2014EN 1017:2014 (E) 9 4.4 Chemical parameters The product
39、 shall conform to the requirements specified in Table 3. Table 3 Chemical parameters Parameter Limit in mg/kg of commercial product Type A Type B Antimony (Sb) max. 3 5 Arsenic (As) max. 3 5 Cadmium (Cd) max. 2 2 Chromium (Cr) max. 10 20 Lead (Pb) max. 15 20 Mercury (Hg) max. 0,5 1 Nickel (Ni) max.
40、10 20 Selenium (Se) max. 5 5 NOTE 1 Other chemical parameters and indicator parameters are not relevant in half-burnt dolomite because the raw materials used in the manufacturing process are free of them. For parametric values of half-burnt dolomite on trace metal content in drinking water, see Dire
41、ctive 98/83/EC 1. NOTE 2 The user can specify a lower content of chemical parameters. 5 Test methods 5.1 Sampling - solid Observe the general recommendations in ISO 3165 and take account of ISO 6206. Prepare the laboratory sample(s) required by the relevant procedure described in EN 12485. 5.2 Analy
42、ses Use the relevant methods for analysis described in EN 12485. 6 Labelling - Transportation - Storage 6.1 Means of delivery Half-burnt dolomite is delivered in bags, containers and as a bulk material. In order that the purity of the products is not affected, the means of delivery shall not have be
43、en used previously for any different product or it shall have been specially cleaned and prepared before use. BS EN 1017:2014EN 1017:2014 (E) 10 6.2 Labelling according to the EU legislation 4)The following labelling requirements shall apply to half-burnt dolomite at the date of publication of this
44、European Standard. Hazard pictograms Precautionary statements (“P statements”) should be provided by the company being responsible for the marketing of the substance. They should be indicated on the packaging label and in the extended safety data sheet (eSDS) of the substance. GHS05 Signal word: Dan
45、ger Hazard statement: H318: Causes serious eye damage GHS07 Signal word: Warning Hazard statement: H315: Causes skin irritation H335: May cause respiratory irritation EU Regulation No 1272/2008 2, and its amendments for the purposes of its adaptation to technical and scientific progress, contains a
46、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. 6.3 Transportation regulations and labelling Hal
47、f-burnt dolomite is not classified as dangerous goods. 4) See EU Regulation No 1272/2008 2. BS EN 1017:2014EN 1017:2014 (E) 11 6.4 Marking The marking shall include the following: “half-burnt dolomite”, trade name and grade; net mass; name and address of supplier and/or manufacturer; number of this
48、European Standard, i.e. EN 1017 and the type. 6.5 Storage 6.5.1 Long term stability The product shall be stored in closed containers as it reacts with carbon dioxide when wet to produce magnesium carbonate. 6.5.2 Storage incompatibilities The product shall be not allowed to come in contact with alum
49、inium or acids. Material shall be protected against humidity. BS EN 1017:2014EN 1017:2014 (E) 12 Annex A (informative) General information on half-burnt dolomite A.1 Origin A.1.1 Raw materials Natural dolomite. A.1.2 Manufacturing process Half-burnt dolomite is manufactured by quarrying, crushing and burning raw dolomite at approximately 750 C (CO2in counterflow) and subsequent screening, followed by pelletisation where appropriate. A.2 Use A.2.1 Function Half-burnt dolomite is used to adjust the pH value and hardness in water. A.2.2 Other pro
