History of KEPCO-Uhde Process

KEPCO-Uhde builds on ThyssenKrupp Industrial Solutions (Former, Uhde)’s experience of over 65 years’ in the development, design and construction of gasification plants. ThyssenKrupp Industrial Solutions’s list of references already includes over 100 gasifiers worldwide based on different gasification technologies covering a variety of feedstocks, and the expertise continues to grow.

Krupp Koppers, who merged with Uhde in 1997, developed the first entrained-flow gasification system (Koppers-Totzek process) in the early 1940s and built the first commercial Koppers-Totzek plants at the beginning of the 1950s. The German patent shown on the right was issued in 1952 for an uncooled refractory-lined Koppers-Totzek gasifier. The cooled gasifier was designed some years later.

Most other entrained-flow gasification systems are refinements of the Koppers-Totzek process – for example, the Shell-Koppers gasification process, an entrained-flow gasification process at elevated pressure. This process was demonstrated at a plant in Hamburg, Germany, in the early 1980s.

The PRENFLO® technology marks a further development of this process in the late 1980s. Tests at a demonstration plant in Fürstenhausen, Germany, proved that PRENFLO® can accommodate coals from all over the world as well as petroleum coke without the need for modification. In addition, extensive tests were performed to determine suitable materials of construction.

In the late 1990s the world’s largest solid-feed-based IGCC with PRENFLO® technology started operation in Puertollano, Spain.

The above entrained-flow processes are based on dry dust feed.

ThyssenKrupp Industrial Solutions has additional experience with a variety of gasification process such as fluidized bed technologies as well as slurry technologies. This experience is used to offer the most competitive gasification technology to the market.