• Environmentally friendly EnviBAT^® technology

• Efficient operation with Cokemaster^® automation

thyssenkrupp Uhde has won an order from SEDIN Engineering Co., Ltd. to build and supply four new low-emission, stamp-charged coke oven batteries with a total annual capacity of 3.9 Mio tons for Hohhot Risun China Gas Energy Co. Ltd in China. The new batteries will be installed at Qing Shui He Industry Park in Hohhot, Inner Mongolia. They will include thyssenkrupp’s proprietary EnviBAT^® system to reduce emissions during the coking process as well as the Cokemaster^® automation system for optimized production processes. 

“With this state-of-the-art, low-emission plant, SEDIN and thyssenkrupp are delivering an important contribution to making the Chinese coke plant industry more environmentally friendly,” says Michael Petzinna, Executive Director of the Coke Plant & Inorganic Acids operating unit. “We look forward to continuing our collaboration and are proud to contribute our decades of plant engineering and process know-how to the project.”  

The project is part of the modernization of the Chinese coke plant industry in which old plants are being shut down and replaced by new, state-of-the-art, low-emission systems. Worth an amount in the two-digit million-euro range, the order comprises the provision of the technology and engineering, procurement of equipment and monitoring and commissioning of the new plant. 

“In thyssenkrupp we have selected a reliable partner for the EPC project of Hohhot Risun China Gas Energy. The company combines extensive plant engineering experience with efficient technologies that meet and exceed the most exacting environmental standards. Together we will play a part in driving the sustainable modernization of the chemical industry in China,” said Mr. HUANG, Shuntai, Vice Managing Director of SEDIN Engineering at the contract signing. 

EnviBAT^® single-chamber pressure regulation system reduces emissions

thyssenkrupp’s EnviBAT^® single-chamber pressure regulation system is already in use in more than 30 batteries and thus over 2,100 ovens around the world. Constant, intelligent pressure monitoring and adjustment throughout the process optimizes raw material use and minimizes emissions. EnviBAT^® prevents high gas pressures arising in the individual chambers of the batteries at the start of the coking process, which in turn almost completely eliminates emissions through the oven doors or roof. Further efficient measures such as flexible, spring-loaded door systems and water-filled rising pipe covers are all geared toward preventing emissions from the battery. 

Optimized production with Cokemaster^®

The entire production process can be automated and optimized using the Cokemaster^® system developed by thyssenkrupp. The integrated system comprises various stand-alone modules that can also be used for individual applications. They include for example automatic temperature measurement in coke ovens, a dynamic calculation model for thermal energy and other solutions along the entire production chain. Cokemaster^® can also be retrofitted in existing plants. 

About Chemical & Process Technologies / thyssenkrupp Uhde:

The thyssenkrupp Uhde business unit combines unique technological expertise and decades of global experience in the engineering, procurement, construction and service of chemical plants. We develop innovative processes and products for a more sustainable future and thus contribute to the long-term success of our customers in almost all areas of the chemical industry. Our portfolio includes leading technologies for the production of basic chemicals, fertilizers and polymers as well as complete value-chains for green hydrogen and sustainable chemicals.

• Energy-efficient 2R technology

• Seamless downstream integration

thyssenkrupp Industrial Solutions’ subsidiary Uhde Inventa-Fischer signed a contract to build a new world-scale polymer plant for Yürek Polimer A.S.in Bursa, Turkey. The plant is planned to produce 300 metric tons per day (108,000 tons per year) of PET (polyethylene terephthalate) for low viscosity applications. The PET melt produced by thyssenkrupp technology will then be converted into PET Chips, as well as pre-oriented yarn.

Werner Steinauer, CEO of Uhde Inventa-Fischer: “We are very proud that Yürek chose us to build another state-of-the art PET plant. Our 2R process offers many advantages compared to conventional technologies, such as reduced footprint, less CAPEX, optimized energy consumption and lower production costs.” 

Alim Yürek, Member of Board of Directors of Yürek Polimer A.Ş.: “We chose a well-proven technology which could be seamlessly integrated into the further production. With this PET investment, the Yürek group will become an integrated textile group.” 

Scope of delivery will be basic and detail engineering, the delivery of all necessary components as well as technical services regarding Supervision for Erection, Pre-Commissioning and Commissioning. 

Energy-efficient, integrated low viscosity PET plant 

The design of the polycondensation plant will be based on Uhde Inventa-Fischer’s proprietary technology, which in this case enables the production of superior high-quality polyester polymer. A characteristic feature of the plant is that the polymer melt will be conveyed directly from the polycondensation plant to several downstream lines.

About Yürek:

Yürek is one of the leading manufacturers for twisted yarns, circular knitted and woven fabrics, as well as printing, dyeing and aftertreatment of those fabrics. 

About Chemical & Process Technologies / thyssenkrupp Uhde:

The thyssenkrupp Uhde business unit combines unique technological expertise and decades of global experience in the engineering, procurement, construction and service of chemical plants. We develop innovative processes and products for a more sustainable future and thus contribute to the long-term success of our customers in almost all areas of the chemical industry. Our portfolio includes leading technologies for the production of basic chemicals, fertilizers and polymers as well as complete value-chains for green hydrogen and sustainable chemicals.

• Captures up to 100% of CO₂ emissions

• Cement producers investigating use in planned demonstration unit

• Lower investment and operating costs due to elimination of exhaust gas recirculation

• Further important step in #grey2green initiative

The production of cement releases large quantities of carbon dioxide (CO₂). Only a third of these CO₂ emissions result from the combustion of fossil fuels such as coal or petroleum coke, while the biggest share is released by the calcination of limestone. Depending on quality, limestone – the main component of cement – consists of 35% to 44% CO₂.

Luc Rudowski, Head of Innovation at thyssenkrupp Industrial Solutions, Business Unit Cement Technologies: “Reducing CO₂ emissions in cement production is one of the most important challenges facing the industry today. As part of our #grey2green journey we are developing technologies and solutions for sustainable cement production without losing sight of plant profitability and productivity. One example of this is the newly developed polysius® pure oxyfuel technology for optimum CO₂ separation. Other solutions developed by us range from more sustainable cement production using polysius® activated clay or polysius® booster mill, the optimal use of alternative fuels with prepol® SC, to reducing NOx emissions through Cemcat® SCR.”

Oxyfuel – pure oxygen replaces air in the kiln

The Oxyfuel technology replaces ambient air in the clinker production process with pure oxygen introduced into the front zone of the cooler. As the nitrogen content of the air is no longer present, the CO₂ concentration in the kiln exhaust gas can be increased to up to 100%. This much more efficient CO₂ separation serves as the basis for the downstream utilization or storage of carbon dioxide.

However, the advantage of reducing the exhaust gas to a virtually pure CO₂ stream means that there is too little gas in the preheater to operate the cyclones. In the first-generation Oxyfuel process, this necessitated a complex gas recirculation system from the preheater exhaust to the cooler involving heat exchange, dust removal, and condensation.

Dr. Georg Locher, Head of R&D: “With the second-generation polysius® pure oxyfuel process, exhaust gas recirculation can be eliminated, resulting in considerable savings in investment and operating costs, and making polysius® pure oxyfuel the best-in-class technology for CO₂ capture. Another advantage is that existing kiln plants can also be retrofitted with this process. By using the polysius® pure oxyfuel process, our customers profit from optimized operating costs, while freeing our communities and environment from high CO₂ emissions.”

Research company CI4C investigating use of polysius® pure oxyfuel

The four European cement manufacturers Buzzi Unicem-Dyckerhoff, HeidelbergCement AG, SCHWENK Zement KG, and Vicat plan to investigate the industrial-scale use of Oxyfuel carbon capture technology in cement production in a demonstration plant. To this end, the research company “CI4C - Cement Innovation for Climate” was established. The aim is to capture 100% of the CO₂ and use it with the help of renewable energies to produce so-called “refuels”, i.e. climate-neutral synthetic fuels such as kerosene for the aviation industry.

Dr. Markus Sauer, Senior Proposal Manager: “The research company CI4C and thyssenkrupp are currently investigating the use of our polysius® pure oxyfuel technology in a demonstration plant. Working with our long-standing customers, we would be delighted if we could demonstrate the efficiency of our technology for the first time on an industrial scale. By using this technology, the cement industry could significantly reduce its process-related CO₂ emissions and thus make an important contribution to climate protection.”

About us:

thyssenkrupp Industrial Solutions AG is a leading partner for the engineering, construction and service of industrial plants and systems. Based on more than 200 years of engineering experience we supply tailored, turnkey plants and components for customers in the chemical, fertilizer, cement, mining and steel industries. Some 11,500 employees around the world form a global network with a technology portfolio that guarantees maximum productivity and cost-efficiency.

The Cement Technologies business unit of thyssenkrupp specializes in the design and construction of turnkey cement plants. We support cement manufacturers around the world with an extensive portfolio of products and services and sustainable solutions based on more than 150 years of expertise and experience. Our plants and machines use state-of-the-art production processes to conserve resources, minimize environmental impact and deliver maximum performance and efficiency.

Press contact:

thyssenkrupp Industrial Solutions AG

BU Cement Technologies

Thomas Jungbluth

External & Internal Communications

Telephone: +49 2525 99 2769

Mobile: +49 173 281 7367

Email: thomas.jungbluth@thyssenkrupp.com