据烃加工在线9月1日消息，巴斯夫、沙比克和林德已经开始建设世界上首个大型电加热蒸汽裂解炉示范装置。通过使用来自于可再生资源的电力替代天然气，与目前常用的技术相比，新技术有可能减少蒸汽裂解生产过程中至少90%的二氧化碳排放，蒸汽裂解是化学工业中能源最密集的生产过程之一。
该示范装置将完全集成到巴斯夫位于德国路德维希港的Verbund工厂现有的一套蒸汽裂解装置中。它将测试两种不同的加热概念，每小时处理大约4吨碳氢化合物，消耗6兆瓦的可再生能源。该示范装置的投产时间定于2023年。
巴斯夫和沙比克正在共同投资该项目，示范装置将由巴斯夫运营。林德是该项目的工程、采购和施工合作伙伴，并将在未来商业化该技术。
为了支持这种新型炉技术的发展，该项目已获得德国联邦经济事务和气候行动部“工业脱碳”资助计划的1480万欧元。“工业脱碳”资助计划正在支持德国能源密集型产业实现碳中和的努力。
巴斯夫执行董事会主席薄睦乐博士表示：“巴斯夫的使命是实现气候中和，而巨大能源密集型蒸汽裂解装置的电气化是我们向净零排放转型的一个重要里程碑。我们为巴斯夫获得德国联邦经济事务和气候行动部的项目资助感到自豪，因为这证明了我们的方法也得到了政策制定者的支持。”
沙比克副董事长兼首席执行官表示：“我们的愿景是转型我们的业务，并通过有效的碳管理来帮助应对紧迫的全球挑战。该项目对全球所有石化行业向低碳排放工艺转变有着巨大的潜力。随着我们今天共同宣布的建设开始的里程碑，我们希望我们的三方合作能够激发更多的合作，最终通过循环碳经济使世界实现净零温室气体排放。”
林德集团执行副总裁兼林德工程首席执行官Juergen Nowicki表示：“这个项目展示了全球公司如何通过结合他们在技术开发、工程、采购和施工执行和运营方面的专业知识成功合作。示范装置的及时交付将是为石化行业提供可持续解决方案道路上的一个重要里程碑。我们很自豪能成为这个突破性项目的一部分。”
该示范装置旨在表明，连续生产烯烃是可能的用电作为热源。该装置的设计方式可以同时测试两种加热概念：直接加热将电流直接施加到反应器内部的工艺管；间接加热使用放置在管子周围的加热元件的辐射热量。测试这两个概念将能够灵活地应对不同的客户和站点的需求。蒸汽裂解装置在基本化学品的生产中起着核心作用，需要大量的能量才能将碳氢化合物分解成烯烃和芳烃。通常，反应是在温度约为850度的熔炉中进行的。如今，这些温度是通过燃烧化石燃料达到的。该项目旨在通过可再生电力来减少二氧化碳排放。
庞晓华 摘译自 烃加工在线
原文如下：
BASF, SABIC and Linde begin construction of demonstration plant for large-scale electrically heated steam cracker furnaces
BASF, SABIC and Linde have started construction of the world’s first demonstration plant for large-scale electrically heated steam cracker furnaces. By using electricity from renewable sources instead of natural gas, the new technology has the potential to reduce CO2 emissions of one of the most energy-intensive production processes in the chemical industry by at least 90% compared to technologies commonly used today.
The demonstration plant will be fully integrated into one of the existing steam crackers at BASF’s Verbund site in Ludwigshafen, Germany. It will test two different heating concepts, processing around 4 tons of hydrocarbon per hour and consuming 6 megawatts of renewable energy. The start-up of the demonstration plant is targeted for 2023.
BASF and SABIC are investing together into the project and the demonstration plant will be operated by BASF. Linde is the engineering, procurement and construction partner for the project and in the future will commercialize the developed technologies.
To support the development of the novel furnace technology, the project has been granted 14.8 MM by the German Federal Ministry for Economic Affairs and Climate Action under its “Decarbonization in Industry” funding program.
The program is supporting energy-intensive industries in Germany in their efforts to achieve carbon neutrality.
“BASF’s mission is to achieve climate neutrality, and electrification of the hugely energy-intense steam cracker is a significant milestone in our transformation journey towards net zero,” said Dr. Martin Brudermüller, Chairman of the Board of Executive Directors of BASF SE.
“We are proud that BASF has been granted project funding by the German Federal Ministry for Economic Affairs and Climate Action, as it is a testament to the support of our approach also by policymakers.”
Yousef Al-Benyan, Vice-Chairman and CEO of SABIC said: “Our vision is to transform our business and to help address urgent global challenges through efficient carbon management. This project holds huge potential for all of the petrochemical industry around the world in our drive for low carbon emitting processes. With the milestone we are jointly announcing today on the start of construction, we hope that our three-party collaboration can inspire many more collaborations that ultimately bring the world to net-zero greenhouse-gas emissions through a circular carbon economy.”
“This project demonstrates how global companies can successfully collaborate by combining their expertise in technology development, engineering, procurement and construction execution and operation. The timely delivery of the demonstration plant will be a major milestone on the path to making sustainable solutions available to the petrochemical industry. We are proud to be part of this breakthrough project,” said Jürgen Nowicki, Executive Vice President Linde plc and CEO of Linde Engineering.
The demonstration plant aims to show that continuous olefin production is possible using electricity as a heat source. The plant is designed in a way that two heating concepts can be tested in parallel: Direct heating applies an electric current directly to the process tubes inside the reactor; indirect heating uses radiative heat of heating elements placed around the tubes.
Testing these two concepts will make it possible to react flexibly to different customer and site requirements. Steam crackers play a central role in the production of basic chemicals and require a significant amount of energy to break down hydrocarbons into olefins and aromatics. Typically, the reaction is conducted in furnaces at temperatures of about 850 degrees Page 3 Celsius.
Today these temperatures are reached by burning fossil fuels. The project aims to reduce the CO2 emissions by powering the process with electricity.
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