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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">isplta</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Санкт-Петербургской лесотехнической академии</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-4304</issn><issn pub-type="epub">2658-5871</issn><publisher><publisher-name>СПбГЛТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21266/2079-4304.2024.249.321-334</article-id><article-id custom-type="elpub" pub-id-type="custom">isplta-343</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>ХИМИЧЕСКАЯ ПЕРЕРАБОТКА ДРЕВЕСИНЫ. БИОТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY OF WOOD. BIO TECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Влияние водных экстрактов древесной коры на кислотную коррозию аустенитных сталей 10Х18Н10Т и 10Х17Н13М2Т</article-title><trans-title-group xml:lang="en"><trans-title>The effect of tree bark aqueous extracts on acid corrosion of austenitic steels 10X18N10T and 10X17N13M2T</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0199-1200</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Школьников</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shkol'nikov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Школьников Евгений Васильевич - профессор кафедры «Химия» СПбГЛТУ, доктор химических наук, профессор.</p><p>194021, Институтский пер., д. 5, Санкт-Петербург</p><p>Researcher G-8108-2016, Scopus Author ID Scopus 7003735499</p></bio><bio xml:lang="en"><p>Evgeny V. Shko'nikov - DSc (Chemical), Professor, St. Petersburg State Forest University.</p><p>Institute per. 5, St. Petersburg, 194021</p><p>Researcher ID G-8108-2016, Scopus Author ID Scopus 7003735499</p></bio><email xlink:type="simple">eshkolnikov@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный лесотехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St. Petersburg State Forest University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2024</year></pub-date><volume>0</volume><issue>249</issue><fpage>321</fpage><lpage>334</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Школьников Е.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Школьников Е.В.</copyright-holder><copyright-holder xml:lang="en">Shkol'nikov E.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://izvestiya-lta.spbftu.ru/jour/article/view/343">https://izvestiya-lta.spbftu.ru/jour/article/view/343</self-uri><abstract><p>Механизм ингибирования коррозии аустенитных сталей 10Х18Н10Т и 10Х17Н13М2Т в сильных кислотах, а также возможность увеличения антикоррозийного действия экстрактов коры изменением породного состава древесной коры, минеральными и органическими добавками изучены недостаточно. Цель работы - гравиметрическое и электрохимическое исследование влияния температуры и состава ингибирующих композиций на основе водных экстрактов коры осины (ЭКО), ели (ЭКЕ) и сосны (ЭКС) на скорость и механизм коррозии сталей 10Х18Н10Т и 10Х17Н13М2Т в 5%-й соляной кислоте. Эта кислота применяется с добавкой ингибитора для промывки и химической очистки варочного и теплообменного оборудования. Получены и анализируются новые данные по кинетике кислотной коррозии исследованных сталей, необходимые для определения механизма ингибирования водоэкстрактивными веществами древесной коры. Показано, что при одинаковом содержании 1 г/л ингибирующее действие водоэкстрактивных веществ (ВЭВ) древесной коры на кислотную коррозию сталей увеличивается в ряду ЭКС &lt; ЭКЕ &lt; ЭКО, при повышении концентрации ВЭВ до 3,8 г/л и температуры от 20 до 50 °С , при смешении экстрактов коры разных видов и еще сильнее при введении в экстракты синергистов гексаметилентетрамина или йодида калия.</p></abstract><trans-abstract xml:lang="en"><p>The mechanism of corrosion inhibition of austenitic steels 10X18N10T and 10X17N13M2T in strong acids, as well as the possibility of increasing the anti-corrosive effect of bark extracts by changing the species composition of tree bark, mineral and organic additives have not been sufficiently studied. The aim of the work is a gravimetric and electrochemical study of the effect of temperature and inhibitory compositions based on aqueous extracts of aspen (EKO), spruce (EKE) and pine (EKS) burk on the rate and mechanism of 10X18N10T and 10X17N13M2T steels corrosion in 5% hydrochloric acid. This acid is used with the addition of an inhibitor for washing and chemical cleaning of cooking and heat exchange equipment. New data on the kinetics of acid corrosion of the studied steels are obtained and analyzed, which are necessary to determine the mechanism of inhibition by water-extractive substances of tree bark. It is shown that with the same content of 1 g / l the inhibitory effect of wood bark water-extractive substances on steels acid corrosion increases in a number of EKS &lt;EKE&lt; EKO, with an increase in the concentration of extractive substances to 3,8 g / l and a temperature from 20 to 50 °C, when mixing bark extracts of different types and even stronger when introducing synergists hexamethylenetetramine or potassium iodide into the extracts.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>ингибирование кислотной коррозии</kwd><kwd>аустенитные стали</kwd><kwd>водные экстракты древесной коры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>inhibition of acid corrosion</kwd><kwd>austenitic steels</kwd><kwd>aqueous extracts of tree bark</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">Олиференко Г.Л., Иванкин А.Н., Устюгов А.В., Зарубина А.Н. 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