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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2022-9-629-636</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2395</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ЭКОЛОГИЯ И РАЦИОНАЛЬНОЕ ПРИРОДОПОЛЬЗОВАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ECOLOGY AND RATIONAL USE OF NATURAL RESOURCES</subject></subj-group></article-categories><title-group><article-title>Определение хлора в пылеобразных отходах при производстве ферроникеля: анализ и оценивание неопределенности</article-title><trans-title-group xml:lang="en"><trans-title>Determination of chlorine in dusty waste in ferronickel production: Analysis and estimation of uncertainty</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6545-6119</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Митрофанова</surname><given-names>С. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mitrofanova</surname><given-names>S. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Анатольевна Митрофанова, к.т.н, руководитель органа по сертификации, Научно-исследовательский институт транспортно-строительного комплекса; доцент, Академия стандартизации, метрологии и сертификации (учебная)</p><p>Россия, 111024, Москва, ул. Авиамоторная, 73А, стр. 16</p><p>Россия, 109443, Москва, Волгоградский пр., 90 к. 1</p></bio><bio xml:lang="en"><p>Svetlana A. Mitrofanova, Cand. Sci. (Eng.), Head of the Certification Department, Scientific Research Institute of Transport and Construction Complex; Assist. Prof., Academy of Standardization, Metrology and Certification</p><p>bld. 16, 73A Aviamotornaya Str., Moscow 111024, Russian Federation</p><p>90/1 Volgogradskii Ave., Moscow 109443, Russian Federation</p></bio><email xlink:type="simple">s_bogomolova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7870-2043</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Муравьева</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Murav’eva</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ирина Валентиновна Муравьева, к.т.н., доцент кафедры сертификации и аналитического контроля</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Irina V. Murav’eva, Cand. Sci. (Eng.), Assist. Prof. of the Chair of Certification and Analytical Control</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">iravm@bk.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт транспортно-строительного комплекса; Академия стандартизации, метрологии и сертификации (учебная)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Scientific Research Institute of Transport and Construction Complex; Academy of Standardization, Metrology and Certification (educational)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «МИСиС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>02</day><month>10</month><year>2022</year></pub-date><volume>65</volume><issue>9</issue><fpage>629</fpage><lpage>636</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Митрофанова С.А., Муравьева И.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Митрофанова С.А., Муравьева И.В.</copyright-holder><copyright-holder xml:lang="en">Mitrofanova S.A., Murav’eva I.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://fermet.misis.ru/jour/article/view/2395">https://fermet.misis.ru/jour/article/view/2395</self-uri><abstract><p>При производстве ферроникеля ключевым этапом является сульфатно-хлорирующий обжиг, после которого и на последующих стадиях (вплоть до получения конечного продукта) в системе образуются отходящие газы, вместе с которыми из обжиговой печи выходят пыль и пары хлоридов металлов. Обогащение отходов при их выносе конденсированными хлоридами указывает на уменьшение эффективности сульфатно-хлорирующего обжига, поэтому контроль минерального хлора в осадках на фильтрах важен как с позиции экологического мониторинга, так и оценки эффективности технологического процесса. В целях определения минерального хлора в пылеобразных отходах при производстве ферроникеля в испытательной лаборатории Южно-Уральского никелевого комбината была разработана методика количественного химического анализа на основе ионометрического метода. Предложена процедура оценивания неопределенности результатов определения хлора в пробе, которая состоит из следующих этапов: составление математической модели для определения массовой доли хлорид-иона; оценивание входных величин в математической модели и их неопределенностей; оценивание выходных величин в математической модели и их неопределенностей; составление бюджета неопределенности; определение расширенной неопределенности и представление результатов. Показаны результаты расчета суммарной расширенной неопределенности массовой доли хлорид-иона U(XCl – ) = ±9,4 % (kp = 2, P = 95 %) при массовой доли хлора в пробе от 0,4 до 0,8 %. Применение предложенной методологии расчета неопределенности обеспечивает получение достоверных результатов при определении хлора в пылеобразных отходах ферроникелевого производства, что положительно влияет на показатели эффективности производственного процесса и экологического мониторинга.</p></abstract><trans-abstract xml:lang="en"><p>A key stage in ferronickel production is sulfate-chlorination roasting, after which and at subsequent stages (up to the final product) exhaust gases are formed in the system accompanied by dust and metal chloride vapors outlet in roasting furnace. Enrichment of wastes during their removal with condensed chlorides indicates a decrease in the efficiency of sulfate-chlorination roasting. Therefore, the control of mineral chlorine in filter sediments is important both from the standpoint of environmental monitoring and evaluation of the technological process efficiency. In order to determine mineral chlorine in dusty waste during the ferronickel production, a quantitative chemical analysis procedure based on the ionometric method was developed in the testing laboratory of the South Ural Nickel Plant. This paper proposes a procedure for estimating the results uncertainty in determining chlorine in the sample. It consists of the following steps: compiling a mathematical model to determine the chloride-ion mass fraction, estimating the input quantities in the mathematical model and their uncertainties, estimating the output quantities in the mathematical model and their uncertainties, budgeting for uncertainty, determining the expanded uncertainty and presenting the results. The paper considers the results of calculating the total expanded uncertainty in determining the chloride-ion mass fraction – U(XCl – ) = ±9.4 % (kp = 2, P = 95 %) – for the samples with chlorine mass fraction from 0.4 to 0.8 %. Application of the proposed methodology in calculating uncertainty ensures reliable results in determining chlorine in dusty wastes of ferronickel production, which has a positive effect on the technological process and environmental monitoring efficiency.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>производство ферроникеля</kwd><kwd>методика количественного химического анализа</kwd><kwd>ионометрический метод</kwd><kwd>ионоселективный электрод</kwd><kwd>массовая доля хлора</kwd><kwd>погрешность измерений</kwd><kwd>неопределенность результата</kwd></kwd-group><kwd-group xml:lang="en"><kwd>ferronickel production</kwd><kwd>quantitative chemical analysis</kwd><kwd>ionometric method</kwd><kwd>ion-selective electrode</kwd><kwd>chlorine mass fraction</kwd><kwd>measurement error</kwd><kwd>uncertainty of result</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Юдин А.Г., Шульц Л.А. 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