Technique and technology of silicates Technique and technology of silicates Техника и технология силикатов 2076-0655 98714 10.62980/2076-0655-2025-16-28 egjgsx ОСНОВНАЯ РУБРИКА MAIN RUBRIC ОСНОВНАЯ РУБРИКА CREATING LOW-CARBON CEMENT - A STEP TOWARDS A GREEN TRANSFORMATION OF THE CEMENT INDUSTRY СОЗДАНИЕ НИЗКОУГЛЕРОДНОГО ЦЕМЕНТА – ШАГ К ЗЕЛЕНОЙ ТРАНСФОРМАЦИИ ЦЕМЕНТНОЙ ПРОМЫШЛЕННОСТИ Потапова Екатерина Николаевна Potapova Ekaterina Nikolaevna potapova.e.n@muctr.ru

доктор технических наук;

doctor of technical sciences;

 Смольская Екатерина Алексеевна Smolskaya Ekaterina Alekseevna smolskaia.e.a@muctr.ru Волосатова Арина Андреевна Volosatova Arina Andreevna a.volosatova@eipc.center Рудомазин Виктор Викторович Rudomazin Viktor Viktorovich v.rudomazin@eipc.center Российский химико-технологический университет РХТУ им. Д. И. Менделеева Москва Россия D. I. Mendeleev Russian State Technical University, Russia, Moscow Moscow Russian Federation Российский химико-технологический университет РХТУ им. Д. И. Менделеева Москва Россия D. I. Mendeleev Russian State Technical University, Russia, Moscow Moscow Russian Federation Федеральное государственное автономное учреждение «Научно-исследовательский институт «Центр экологической промышленной политики» Москва Россия Federal State Autonomous Institution "Scientific Research Institute "Center for Environmental Industrial Policy" Moscow Russian Federation Федеральное государственное автономное учреждение «Научно-исследовательский институт «Центр экологической промышленной политики» Москва Россия Federal State Autonomous Institution "Scientific Research Institute "Center for Environmental Industrial Policy" Moscow Russian Federation 06 06 2025 06 06 2025 32 1 16 28 12 12 2024 26 12 2024 https://tsilicates.ru/en/nauka/article/98714/view

Рассмотрены проблемы ресурсоемкости производства цемента и бетона, которые могут привести к непоправимым климатическим изменениям. Показана необходимость использования устойчивых и эффективных методов для снижения выбросов CO2 в цементной промышленности и перехода к менее углеродоемкому производству. Обсуждена стратегия сокращения выбросов CO2, в том числе частичная замена портландцементного клинкера дополнительными вяжущими материалами (SCM), которая на сегодня является наиболее легкодостижимой. Процессы получения и использования SCM подробно проанализированы с точки зрения их влияния на выбросы CO2, энергопотребление и структуру цементного камня. В статье в качестве дополнительных вяжущих материалов для замены части клинкера рассматривается применение термообработанных глин, мергеля, рисовой шелухи и отходов очистки сточных вод. Представленные результаты исследований подтверждают, что цементы с использованием таких материалов могут снизить содержание клинкера в цементе до 50 % без потери прочностных характеристик. Ис-пользование некондиционных глин, мергеля, рисовой шелухи и отходов очистки сточных вод будет способствовать созданию экономике замкнутого цикла. Обсуждается важность дальнейших исследований по морозостойкости, коррозионной стойкости и сертификации цементов и бетонов на основе дополнительных вяжущих материалов.

The article discusses the resource-intensive problems of cement and concrete production, which can lead to irreparable climate change. The authors show the need for sustainable and efficient methods to reduce CO2 emissions in the cement industry and move towards less carbon-intensive production. The article discusses a strategy for reducing CO2 emissions. The authors show that partial replacement of Portland cement clinker with Supplementary cementitious materials (SCMs) is currently the most easily achievable. The processes for the production and use of SCMs are analyzed in detail in terms of their impact on CO2 emissions, energy consumption and cement stone structure. In the paper, the use of heat-treated clays, marl, rice husks and wastewater treatment wastes are considered as supplementary binding materials to replace part of the clinker. The presented research results confirm that cements using such materials can reduce clinker content in cement up to 50% without loss of strength properties. The use of substandard clays, marl, rice husks and wastewater treatment waste will contribute to a closed-loop economy. The authors discuss the importance of further research on frost resistance, corrosion resistance and certification of cements and concretes based on Supplementary cementitious materials.

 низкоуглеродный цемент энергоэффективность дополнительные вяжущие материалы термообработанная глина мергель low-carbon cement energy efficiency supplementary cementitious materials heat-treated clay marl

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