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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">ekip</journal-id><journal-title-group><journal-title xml:lang="ru">Экология и промышленность России</journal-title><trans-title-group xml:lang="en"><trans-title>Ecology and Industry of Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-0395</issn><issn pub-type="epub">2413-6042</issn><publisher><publisher-name>ООО "Калвис"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18412/1816-0395-2024-11-28-32</article-id><article-id custom-type="elpub" pub-id-type="custom">ekip-2765</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>НАУЧНЫЕ РАЗРАБОТКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SCIENTIFIC DEVELOPMENTS</subject></subj-group></article-categories><title-group><article-title>Переработка подшламовых вод глиноземного производства электродиализом</article-title><trans-title-group xml:lang="en"><trans-title>Processing of Sludge Water from Alumina Production by Electrodialysis</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Васюнина</surname><given-names>Н.В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasiunina</surname><given-names>N.V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Associate Professor</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дубова</surname><given-names>И.В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubova</surname><given-names>I.V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), Associate Professor</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дружинин</surname><given-names>К.Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Druzhinin</surname><given-names>K.E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>заместитель директора</p></bio><bio xml:lang="en"><p>Deputy Director</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гильманшина</surname><given-names>Т.Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Ghilmanshina</surname><given-names>T.R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук., зав. кафедрой</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), Head of Department</p></bio><email xlink:type="simple">podpiska@kalvis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Сибирский федеральный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Siberian Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО "Индаст-ПРО"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Indast-PRO LLC</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>05</day><month>11</month><year>2024</year></pub-date><volume>28</volume><issue>11</issue><fpage>28</fpage><lpage>32</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ООО "Калвис", 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">ООО "Калвис"</copyright-holder><copyright-holder xml:lang="en">ООО "Калвис"</copyright-holder><license xlink:href="https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.ecology-kalvis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.ecology-kalvis.ru/jour/article/view/2765">https://www.ecology-kalvis.ru/jour/article/view/2765</self-uri><abstract><p>Проанализирована возможность применения электродиализа для переработки слабых алюминатных растворов (подшламовой воды) с целью их концентрирования и каустификации. Для проведения испытаний применялась трехкамерная электродиализная ячейка с гетерогенными катионообменными мембранами МК-40. Определены оптимальные режимные параметры процесса: межполюсное расстояние 3–4 см и плотность тока 2 А/дм2 при рабочем напряжении на ячейке 20–26 В. Установлены удельный расход электроэнергии 9,7–20,6 кВт•ч/кг щелочи, эффективность каустификации 56,1–69,6 %, выход щелочи – 81 %.</p></abstract><trans-abstract xml:lang="en"><p>The possibility of using the electrodialysis for processing weak aluminate solutions (sludge water) for the purpose of their concentration and causticization is analyzed. For testing, a three-chamber electro-dialysis cell with heterogeneous cation exchange membranes MK-40 was used. The optimal operating parameters of the process were determined, as follows: pole-to-pole distance 3–4 cm and current density 2 A/dm2 at the operating voltage on the cell of 20–26 V. Specific electricity consumption was established as 9.7–20.6 kWh/kg alkali, causticization efficiency 56.1–69.6%, alkali yield – 81%.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лектродиализ</kwd><kwd>подшламовые воды</kwd><kwd>концентрирование щелочных растворов</kwd><kwd>электродиализная ячейка</kwd><kwd>алюминатные растворы</kwd><kwd>кинетика концентрирования электродиализом</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electro-dialysis</kwd><kwd>sludge water</kwd><kwd>concentration of alkaline solutions</kwd><kwd>electro-dialysis cell</kwd><kwd>aluminate solutions</kwd><kwd>kinetics of concentration by electro-dialysis</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">Шепелев И.И., Пиляева О.В., Еськова Е.Н., Кирюшин Е.В. Внедрение экологических мероприятий с целью снижения воздействия глиноземного производства на состояние природной среды. 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