Tag: Catalyst

Olefins production from methanol, particularly in China, has come to dominate the methanol market over the past few years. However, environmental and market concerns complicate the outlook there.

As existing facilities grow older, service requirements increase. Equipment needs to be low maintenance and back in operation quickly after service and repair. Technology licensors are expanding their technical services with new digital tools, using digitalised expertise with real time insights and data driven analytics to boost chemical production and ensure that equipment operates reliably and efficiently, while maintaining product quality.

Fluor/GAA continue to strive to improve the performance of the D’GAASS out-of-pit liquid sulphur degassing technology based on commercial operating experience and ever-changing environmental emissions regulations. T. Chow and S. Fenderson of Fluor Energy & Chemicals/ Goar, Allison & Associates discuss operating experience that has led to the improvements of the new patent-pending third generation D’GAASS 3G technology.

China’s copper industry is facing difficulties caused by the coronavirus outbreak in the country. Prolonged factory closures, particularly in Hubei province, at the centre of the outbreak, as well as neighbouring Guangdong and Zhejiang, also badly affected, have caused a slump in demand for copper domestically as copper fabricators remain on extended closure. However, smelters have resisted cutting production. Daye Nonferrous, based in Huangshi at the centre of coronavirus outbreak, continues to operate at 80% of its 600,000 t/a capacity for 1Q 2020, according to the company, in spite of quarantine and transport restrictions which have reduced truck shipments to the smelter – Daye is reportedly still able to receive copper concentrate shipments via the Yangtze River to Huangshi port.

J. C. Bourdon, F. H. Brown and P. J. Photos of Streamline Innovations Inc. present the development and commercialisation of the Valkyrie™ process, which employs new chemistries and advanced control systems to remove H2 S from natural gas at size scales ranxging from single wells to entire fields, providing an operationally sustainable and commercially attractive alternative to standard H2 S removal technologies.

Lessons can be learned from the challenges faced during the construction, commissioning and start-up phases of major projects. In this article challenges and experiences are shared from the recent successful commissioning of ammonia and urea plants around the world, including projects in Indonesia, India, Egypt and the Middle East.

AmoMax ® -Casale is a new ammonia synthesis catalyst jointly developed by Casale and Clariant. Retaining the same superior resistance to ageing, poisoning and mechanical strength as the well-known wustite-based catalyst, AmoMax ® 10, the new catalyst is significantly more active. C. Berchthold of Clariant and S. Panza of Casale explain the advantages of AmoMax ® -Casale and share the start-up experience of the first commercial reference.

At the Nitrogen+Syngas Conference 2020, held in The Hague, Netherlands, Haldor Topsoe launched its new TITAN ™ series of steam reforming catalysts. The company says that the new series, which consists of the RC-67 TITAN and RK-500 TITAN catalysts, offers improved performance and longer catalyst lifetime thanks to the hibonite-rich composition. The addition of titanium promoters adds exceptional mechanical strength while a seven-hole cylindrical shape yields both a very low pressure drop and a high surface area. Pressure drop build-ups in syngas plants can cause unscheduled downtime and cost millions of dollars, while thermal instability during operation can lead to operational risk and reduce plant lifetime. Topsoe says that the catalysts can mitigate these risks, ensuring lower operating costs, increased profit margins, and reduced energy usage.

This year’s Nitrogen + Syngas conference was held from 17-19 February in The Hague, Netherlands.

The Ma’aden Wa’ad Al Shamal Phosphate Company (MWSPC) has signed a service agreement for a period of three years with DuPont Clean Technologies for its sulphuric acid plant at Sirhan. The service programme will include activity testing of catalyst samples, evaluation of catalyst performance, plant optimisation, troubleshooting and management of catalyst replacement. DuPont says that it will also track plant performance and assess its overall health using pre-agreed metrics and its proprietary PeGASyS™ gas chromatography system, which can be used to detect possible leaks in gas-gas heat exchangers, identify SO2 gas bypassing and measure overall plant conversion in order to optimise plant operation, reduce SO 2 emissions, increase production and improve converter performance.