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    DIN EN 19694-6-2016 Stationary source emissions - Determination of greenhouse gas (GHG) emissions in energy-intensive industries - Part 6 Ferroalloy industry German version EN 1969.pdf

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    DIN EN 19694-6-2016 Stationary source emissions - Determination of greenhouse gas (GHG) emissions in energy-intensive industries - Part 6 Ferroalloy industry German version EN 1969.pdf

    1、October 2016 English price group 16No part of this translation 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). !%1;“2581424www.din.deDIN EN 19694-

    2、6Stationary source emissions Determination of greenhouse gas (GHG) emissions in energyintensive industries Part 6: Ferroalloy industry;English version EN 196946:2016,English translation of DIN EN 19694-6:2016-10Emissionen aus stationren Quellen Bestimmung von Treibhausgasen (THG) aus energieintensiv

    3、en Industrien Teil 6: Ferrolegierungsindustrie;Englische Fassung EN 196946:2016,Englische bersetzung von DIN EN 19694-6:2016-10missions de sources fixes Dtermination des missions de gaz effet de serre (GES) dans les industries nergointensives Partie 6: Industrie des ferroalliages;Version anglaise EN

    4、 196946:2016,Traduction anglaise de DIN EN 19694-6:2016-10www.beuth.deDocument comprises 35 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.ICS 13.040.40This standard has been included in the VDI/DIN Handbook on air quality, Vo

    5、lume 2. 10.16 DIN EN 19694-6:2016-10 2 A comma is used as the decimal marker. National foreword This document has been prepared by Technical Committee CEN/TC 264 “Air quality”, Working Group WG 33 “Greenhouse gas (GHG) emissions in energy-intensive industries”. The responsible German body involved i

    6、n its preparation was the Kommission Reinhaltung der Luft im VDI und DIN Normenausschuss KRdL (Commission on Air Pollution Prevention of VDI and DIN Standards Committee KRdL), Section I Umweltschutztechnik. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 19694-6 July 2016 ICS 13.040.40 English

    7、Version Stationary source emissions - Determination of greenhouse gas (GHG) emissions in energy-intensive industries - Part 6: Ferroalloy industry missions de sources fixes - Dtermination des missions de gaz effet de serre (GES) dans les industries nergo-intensives - Partie 6: Industrie des ferro-al

    8、liages Emissionen aus stationren Quellen - Bestimmung von Treibhausgasen (THG) aus energieintensiven Industrien - Teil 6: Ferrolegierungsindustrie This European Standard was approved by CEN on 5 May 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the c

    9、onditions 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 application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard ex

    10、ists 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 Management Centre has the same status as the official versions. CEN members are the national s

    11、tandards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, 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,

    12、 Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means rese

    13、rved worldwide for CEN national Members. Ref. No. EN 19694-6:2016 EEN 19694-6:2016 (E) 2 Contents Page European foreword . 3 Introduction 4 1 Scope 6 2 Normative references 6 3 Terms and definitions . 6 4 Symbols and abbreviations . 8 5 Determination of GHGs Principles . 9 5.1 General 9 5.2 Major GH

    14、G in ferro-alloys. 9 5.3 Determination based on mass balance . 9 5.4 Use of waste gas/heat recovery . 9 6 Boundaries 9 6.1 General 9 6.2 Operational boundaries 9 6.3 Organizational boundaries . 10 7 Direct emissions and their determination 11 7.1 General . 11 7.2 Mass balance approach 11 7.3 Process

    15、 emissions 15 7.4 Combustion emissions . 17 7.5 Combustion of biomass fuels . 19 8 Indirect emissions . 19 8.1 General . 19 8.2 CO2from external electricity production 19 9 Baselines, acquisitions and disinvestments . 20 10 Reporting 20 10.1 General . 20 10.2 Reporting periods 21 10.3 Performance in

    16、dicators . 21 11 Uncertainty of GHG inventories 23 11.1 Introduction to uncertainty assessment . 23 11.2 Uncertainty of activity data 24 11.3 Uncertainties of fuel and material parameters . 24 11.4 Evaluation of the overall uncertainty of an GHG inventory 25 Annex A (normative) Tier 1 emission facto

    17、rs . 26 Annex B (normative) Minimum frequency of analysis 28 Annex C (normative) Country-wise emission factors for electricity 29 Bibliography . 33 DIN EN 19694-6:2016-10 EN 19694-6:2016 (E) 3 European foreword This document (EN 19694-6:2016) has been prepared by Technical Committee CEN/TC 264 “Air

    18、quality”, the secretariat of which is held by DIN. 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 2017, and conflicting national standards shall be withdrawn at the latest by January 2017

    19、. 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 has been prepared under a mandate M/478 given to CEN by the European C

    20、ommission and the European Free Trade Association. EN 19694, Stationary source emissions Determination of greenhouse gas (GHG) emissions in energy-intensive industries is a series of standards that consists of the following parts: Part 1: General aspects Part 2: Iron and steel industry Part 3: Cemen

    21、t industry Part 4: Aluminium industry Part 5: Lime industry Part 6: Ferroalloy industry 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, Croatia, Cyprus, Czech

    22、 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 the United Kingdom.

    23、 DIN EN 19694-6:2016-10 EN 19694-6:2016 (E) 4 Introduction Overview of the ferro-alloy manufacturing process Ferroalloy production involves a metallurgical reduction process that results in significant carbon dioxide emissions. These emissions are the results of a carbothermic reaction which is intr

    24、insic to the process. In ferroalloy production, ore, carbon materials and slag forming materials are mixed and heated to high temperatures for smelting. Submerged Electric Arc Furnaces (SEAF) with graphite electrodes, self- baking Sderberg or composite electrodes is the main process to produce ferro

    25、-alloys in Europe (see Figure 1). Smelting in an electric arc furnace is accomplished by conversion of electrical energy to heat. An alternating current applied to the electrodes creates current to flow through the charge between the electrode tips. The heat is produced by the electric arcs and by t

    26、he resistance in the charge materials. Emissions from the smelting process are therefore not to combustion emissions. The furnaces may be open, semi-closed or closed. The reduction process is the main source of direct CO2emissions. Other CO2sources include direct emissions from calcination of calciu

    27、m, magnesium and other carbonates (e.g. limestone) in some processes and from non-smelting fuels (e.g. dryers for ladles and refractory linings, room heating), and indirect emissions from, e.g. external power production. Figure 1 Submerged Electric Arc Furnace (SEAF) CO2from the smelting of raw mate

    28、rials CO2emissions from reducing agents and electrode use In the smelting process, CO2is released due to the carbothermic reduction of the metallic oxides occurring with the consumption of both carbonaceous reductants and carbon based electrodes. The carbon in the reductants reacts with oxygen from

    29、the metal oxides to form CO and then CO2(in different DIN EN 19694-6:2016-10 EN 19694-6:2016 (E) 5 ways depending on the process), and the ores are reduced to molten base metals. For calculation, the assumption is that all CO is assumed to be converted in the furnace to CO2. The reductant carbon is

    30、used in the form of coke, coal, pet coke, anthracite, charcoal and wood-chips. The first four are fossil based and the charcoal and wood-chips are bio-carbon. In the carbothermic process, only the fixed carbon content is used as a reducing agent, which means that volatile matter, ashes and moisture

    31、mostly leave the furnace with the off-gas and slag. The nature of reducing agents, price and electrodes is depending of the localization of the plant, the raw material availability and it is presented in Table 1. It is variable from one site to another and from one year to another and also from one

    32、ferro-alloy to another. Table 1 Type of reducing agents and electrodes used in the electrometallurgy Sector Reducing agents Electrodes Crude petroleum coke Graphite electrode Calcinated petroleum coke Prebaked electrodes Coal coke Sdeberg paste Coke from coal Composite electrode Wood Calcinated wood

    33、 Charcoal Graphite powder Anthracite CO2emissions are estimated with/calculated from the consumption of the reducing agents and electrodes, their carbon content and the carbon content of the final products1. ores + reducing agent ferro-alloys/metal* + CO2+ dust/by-product (i.e. slags)* * amount of c

    34、arbon can be found in the products Default emission factors suggested in these documents are used, except where more recent, industry-specific data has become available. 1The basic calculation methods used in this standard are compatible with the 2006 IPCC Guidelines for National Greenhouse Gas Inve

    35、ntories issued by the Intergovernmental Panel on Climate Change (IPCC), and with the Regulation 601/2012 but the objectives of this standards are of different nature implying that the data gathered can cover a broader (or reduced) boundaries as compared to the objectives of the Regulation. DIN EN 19

    36、694-6:2016-10 EN 19694-6:2016 (E) 6 1 Scope This European Standard provides a harmonized methodology for calculating GHG emissions from the ferro-alloys industry based on the mass balance approach2. It also provides key performance indicators over time of ferro-alloys plants. It addresses the follow

    37、ing direct and indirect sources of GHG: Scope 1 Direct GHG emissions from sources that are owned or controlled by the company, such as emissions result from the following sources: smelting (reduction) process; decomposition of carbonates inside the furnace; auxiliaries operation related to the smelt

    38、ing operation (i.e. aggregates, drying processes, heating of ladles, etc.). Scope 2 Indirect GHG emissions from: the generation of purchased electricity consumed in the companys owned or controlled equipment. This European Standard is to be used in conjunction with EN 19694-1, which contains generic

    39、, overall requirements, definitions and rules applicable to the determination of GHG emissions for all energy-intensive sectors, provides common methodological issues and defines the details for applying the rules. The application of this standard to the sector-specific standards ensures accuracy, p

    40、recision and reproducibility of the results and is for this reason a normative reference standard. The requirements of these standards do not supersede legislative requirements. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are i

    41、ndispensable 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 19694-1:2016, Stationary source emissions Determination of greenhouse gas (GHG) emissions in energy int

    42、ensive industries Part 1: General aspects 3 Terms and definitions For the purposes of this document, the terms and definitions in EN 19694-1 and the following apply. 3.1 auxiliaries equipment consuming electricity/power related to the smelting process: fans, pumps, gas abatement systems (filter bags

    43、, venture scrubbers, etc.) 3.2 silica fume amorphous silicon dioxide particles from the volatilization and vaporization of furnace feed materials in the manufacture of ferrosilicon and silicon, the process off-gas that contains silica fumes beings cleaned in a baghouse using fabric filters of the op

    44、en or semi-closed SEAF 2Based on European Commission Regulation 601/2012. DIN EN 19694-6:2016-10 EN 19694-6:2016 (E) 7 3.3 ferro-alloy term used to describe concentrated alloys of iron and one or more metals such as silicon, manganese, chromium, molybdenum, vanadium or tungsten 3.4 silicon metalloid

    45、 produced by carbo-thermic reduction of quartz in an electric submerged arc furnace 3.5 smelting industrial process where one or more ores or ore concentrates are heated and reduced (i.e. chemically modified) by, e.g. aluminino-carbo-silico thermic reduction to manufacture and mix the metals in one

    46、step EXAMPLE Examples of smelted alloys are ferro-alloys. 3.6 Submerged Electric Arc Furnace SEAF electric arc-heating furnace in which the arcs are completely submerged under the charge. The arc forms between the electrode (graphite electrodes or self- baking Sderberg electrodes) and metal surface

    47、or bottom lining. The heat being produced by the electric arcs and by the resistance in the charge materials initiates the reduction process. The furnaces may be open, semi-closed or closed, which can depend upon the ferro-alloy to be produced. A commonly used technology is the submerged-arc (electr

    48、ic) furnace (SEAF). 3.7 fossil fuels all fossil fuels listed by IPCC or any fuel which contains organic and inorganic carbon that is not biomass 3.8 biomass fuels fuels with only biogenic carbon 3.9 Petcoke petroleum coke, a carbon-based solid fuel derived from oil refineries 3.10 sintering/sinter p

    49、rocess to form a coherent mass by heating without melting 3.11 Sderberg electrodes continuously self-baking carbon electrode used in electro-metallurgical furnaces for production of ferroalloys and silicon (the “Sderberg paste” is a preparation of coal tar pitch and carbonaceous dry aggregate) 3.12 composite electrodes in composite electrodes the core is composed of graphite while the exterior is a self-baking carbon p


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