1983/84: Foundation of the REA GmbH and the BTA Biotechnische Abfallverwertung GmbH & Co. KG as related enterprises for the development and marketing of waste processing technologies.

1984/86: Development of the basic technological concept in cooperation with the University of Applied Sciences, Munich.
First application of the BTA® Waste Pulper.

1987-1995: 10 years pilot plant in Munich-Garching for the pre-commercial development of a waste treatment method.
Testing of process technology, materials, wear, and usability. Development of the BTA® Waste Pulper, BTA® Grit Removal System, and the BTA® Control Syste`m.
Optimisation as the BTA® Process for miscellaneous wastes from municipal, commercial, industrial, and agricultural sources.

1991: First industrial anaerobic digestion plant for biowaste based on the BTA® Process at Helsingør, Denmark.
Thereafter, further employment of know-how, components, and wet mechanical pre-treatment systems as well as the BTA® Process in various waste digestion plants.

1997-1999: International licensees:

Biotec Sistemi S.r.I. (Italy)
CCI Canadian Composting Inc. (Northern Amerika)
Hitachi Zosen Corporation (Japan)

2000: First agricultural biogas plant from BTA at Karlshof, Germany

2004: Licensee in the U.K./Ireland: Enpure Ltd. (terminated due to the shutdown of Enpure`s operations)

2006: First contract covering the refurbishment of an existing wet mechanical pre-treatment plant at EcoParc I, Barcelona, Spain.

2007: BTA and Agraferm Technologies AG jointly found the BTA International GmbH to concentrate their long-standing experience. BTA International becomes operative unit of the Agraferm Technologies Group for anaerobic waste processing.

Since 2007: Further development of the BTA technolgy and new patents. Since then 15 projects have been executed in Europe and North America.

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