KMT GmbH
About
KMT GmbH, originally established as Kuttner Martin Technology GmbH in 2018 and renamed in September 2023, is a Munich-based engineering company specializing in the thermal treatment of municipal sewage sludge through stationary fluidized bed incineration. Formed as a joint venture combining Kuttner's proven fluidized-bed technology with MARTIN GmbH's decades of thermal treatment expertise, KMT operates as part of the MARTIN Group with offices in Munich and Butzbach and a team of over 40 experts. The company's core offering is the KMT stationary fluidized bed furnace, available with or without staged combustion air supply. The staged variant includes secondary air injection and an integrated afterburning chamber (Nachbrennkammer) for stable, low-NOx combustion without SNCR additives. KMT delivers complete mono-incineration plants as general contractor, including steam generators ranging from 11 bar saturated to 66 bar superheated at 450°C, counter-pressure turbines for electricity generation, thermal pre-drying systems, vapor processing with stainless-steel tube bundle condensers up to 14 meters tall, ash separation for phosphorus recovery, and multi-stage wastewater-free flue gas cleaning. Over 80% of fuel heat content is utilized process-internally. Major reference projects include KSR Bitterfeld-Wolfen (~270,000 t/year), KVA Berlin-Wassmannsdorf (3 lines, 66 bar), EEW Stavenhagen (~160,000 t/year), and HVC Dordrecht (~380,000 t/year, one of Europe's largest).
Key Products
Core incineration technology for sewage sludge thermal treatment, featuring staged combustion air supply with integrated afterburning chamber for stable, low-emission combustion without auxiliary fuel.
Generate high-pressure steam (up to 66 bara, 450°C) from incineration heat for power generation and district heating applications.
Generates electricity from steam while exhausting low-pressure steam for sludge pre-drying, maximizing energy recovery.
Reduces sludge moisture content before combustion using process heat, improving combustion efficiency and reducing auxiliary fuel needs.
Treats vapors from the pre-drying process and recovers heat—up to 10 MW for district heating, as demonstrated at HVC Dordrecht.
Multi-stage emission control system designed for future stricter limits, handling sulfur and mercury content in sewage sludge.
Separates phosphorus-rich ash before flue gas cleaning, enabling targeted phosphorus recovery to comply with Germany's 2029 Klärschlammverordnung.
Full responsibility for plant and process engineering, from permit planning through detailed engineering, delivery, assembly, and commissioning of complete sludge incineration facilities.
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