Course information

Claus plants convert toxic H2S into harmless elemental sulphur. They are applied in a number of industries, notably in refineries, in natural gas plants and in the chemical industry. The course covers the role of Claus plants in refineries, chemistry of the Claus process, Claus plant configurations, the various tailgas treatment processes, start-up, shut-down and troubleshooting, optimisation of Claus operation, simulation of Claus plants on the computer, burners for Claus furnaces, the influence of clean fuels production on Claus plants, reaction of the various tailgas treatment processes to clean fuels production, oxygen enrichment and its consequences for the Claus process and the various tailgas treatment processes, trace behaviour in Claus as NH3 and NOx.

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Description

Claus plants convert toxic H2S into harmless elemental sulphur. They are applied in a number of industries, notably in refineries, in natural gas plants and in the chemical industry. The course covers the role of Claus plants in refineries, chemistry of the Claus process, Claus plant configurations, the various tailgas treatment processes, start-up, shut-down and troubleshooting, optimisation of Claus operation, simulation of Claus plants on the computer, burners for Claus furnaces, the influence of clean.

Also the carbon footprints of various tailgas treatment options are discussed. The course covers the role of Claus plants in refineries, chemistry of the Claus process, Claus plant configurations, the various tailgas treatment processes, start-up, shut-down and troubleshooting, optimisation of Claus operation, simulation of Claus plants on the computer, burners for Claus furnaces, the influence of clean fuels production on Claus plants, reaction of the various tailgas treatment processes to clean fuels production, oxygen enrichment and its consequences for the Claus process and the various tailgas treatment processes, trace behaviour in Claus as NH3 and NOx.

The simple Claus process is easy to understand and straight-forward, but changes in refining and environmental protection laws forced many changes on the Claus plants.
Nowadays efficient tailgas treatment processes, long turn-around cycles, low CO2 and NOx emissions make these units a lot more sensitive. In addition as a by product of clean fuels production ammonia also has to be converted in sulphur recovery units which influences the Claus furnace and its burner.

The participants will be led through an example of a HAZOP study. Also covered are commercial aspects, including typical cost of tailgas treatment processes.

Learning Objectives

Upon completion of this course graduates will have gained an overview of the many Claus plant configurations available and acquire a solid understanding of the key elements associated with the design, operation and control of Claus plants.

This will include the impact of the feed quality, catalysts, operating conditions and unit design on sulphur recovery rate and their commercial aspects. In addition they will have gained some valuable insight into how to optimise, debottleneck and troubleshoot their Claus unit.

Who Should Attend

This course is for those who are involved in the design, process engineering, operations and maintenance of the Claus unit.

The course will be highly valuable to all engineers involved in the process selection, design, start-up and operation of Claus plants, their tailgas treatment processes and
suitable burners and Claus furnace configurations. Additionally the course will be useful for personnel having to make decisions about new investments and wishing to gain an overview of available options with their commercial, technical and environmental implications.

Course Presenter

Dr. Michael Heisel is general manager of ITS Reaktortechnik GmbH with experience in environmental protection, refining, engineering and contracting. He has 30 years experience in Claus design and operation. He also invented two new sulphur recovery processes which won Kirkpatrick Awards for being among the worldwide best novel processes introduced in the chemical industry. Michael received his diploma and PhD from the Technical University of Munich. He holds many patents in the fields of gas synthesis and purification. A number of the major chemical and EPC companies are his licensees.

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