Großkraftwerk Mannheim (GKM)
Mannheim, Germany
One of the company's first customers, still utilizing J+G's services. Involved in construction of melting chamber boiler plants and lignite boilers.
Client · Großkraftwerk Mannheim (GKM)
About from company website
Jünger+Gräter boasts over 80 years of experience in refractory engineering, positioning itself as a trendsetter in the industry. The company prides itself on agility and creativity, ensuring maximum flexibility and optimal results for its clients. With a strong focus on innovation, Jünger+Gräter consistently develops new ideas and advanced implementation methods, maintaining its distinctiveness and reliability.
The company's expertise spans a wide range of sectors including environmental technology, energy & power plant technology, chemical & petrochemical industry, nonferrous metal industry, steel & iron industry, cement industry, and biomass & wood incineration. They offer comprehensive services from initial planning and material selection to installation and after-sales support, including specialized services like endoscopy, drone inspections, industrial climbing, and chimney engineering. With a global presence, Jünger+Gräter operates subsidiaries and branch offices in Germany, France, Switzerland, Austria, and Portugal, demonstrating their commitment to being close to their customers.
Their dedication to quality is underscored by certifications such as ISO 9001 and SCCP**, ensuring high standards in safety, health, environmental protection, and quality management.
Services
Works as
Sectors
Project experience from company website
BASF Chemical Company
Ludwigshafen, Germany
Projects included boiler no. 9, circulating flow plants, sewage sludge incineration plants, and special refuse incineration plants.
Client · BASF
Refuse Incinerator Mannheim-Nord
Mannheim, Germany
Construction of the last chimney bricked by J+G, standing 150 meters tall.
Client · City of Mannheim
Waste Incineration Plants for City of Mannheim
Mannheim, Germany
Order for refractory lining inside four plants, one of the biggest in Europe at the time.
Client · City of Mannheim
Circulating Fluidized Bed Coal Power Plants
Global
J+G became a pioneer in the refractory sector for these plants, working with Lurgi Energie und Kohle GmbH.
Claus Plant in Tengiz
Tengiz, Kazakhstan
The worldwide biggest Claus plant for sulfur generation, with a combustion chamber diameter over 5 meters.
Weapon Disposal Plant
Munster, Germany
J+G acted as 'plant engineer', supplying all required components for the furnace, including the control unit.
Worldwide Largest Sewage Sludge Incineration Plant
Ludwigshafen, Germany
Constructed for the central sewage plant of the BASF chemical plant.
Client · BASF
Pelletizing Plants
Global (e.g., Vitafors/Sweden, Brazil, Venezuela, Mexico, India, Nigeria, Libya)
Constructed as part of the booming steel industry, one of the first plants was built completely with steel construction and refractories.
Direct Reduction Plants for Iron Ore
Global (e.g., Hadeed/Saudi-Arabia, Misurata/Libya, Auckland/New Zealand, Vanderbijlpark/South Africa, Borneo)
Projects for Lurgi and Voest.
Aluminum Oxide Calcining Plant
Nikolajew/Ukraine, Germany, Australia, USA, France
Based on a circulating fluidized bed, laying the foundation for further plants in this field.
JJ suspended roof patent
Germany
A patent filed by Josef Jünger for the JJ suspended roof, underscoring innovation and foresight.
Accreditations from company website
- ISO 9001
- SCC P**
Clients mentioned from company website
Großkraftwerk Mannheim (GKM), BASF, Alstom Power Systems, Lurgi Chemie und Hüttentechnik GmbH, Voest, Farbwerke Hoechst, Kohlenscheidungs-Gesellschaft (KSG), Hensieck, Buckau R. Wolf AG, Asturiana de Zinc, Lurgi Energie und Kohle GmbH, Tengiz.
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Questions about Jünger+Gräter from the record on this page
What does Jünger+Gräter do?
Jünger+Gräter is a global expert in refractories and chimney construction, offering innovative know-how and tailored solutions for demanding industries. Their listed services include Refurbishment, Restoration & heritage, Steel fabrication, M&E contracting and Fire protection.
Where is Jünger+Gräter based?
Jünger+Gräter is registered at LONDON, EC2V 7AB, in London.
What areas does Jünger+Gräter cover?
Jünger+Gräter states that it works across France, Switzerland, Austria and Portugal.
Is Jünger+Gräter still trading?
Companies House lists Jünger+Gräter as active.
What accreditations does Jünger+Gräter hold?
Jünger+Gräter displays ISO 9001 and SCC P** on its website.
What sectors does Jünger+Gräter work in?
Jünger+Gräter works in Industrial and Energy.
When was Jünger+Gräter established?
Jünger+Gräter was incorporated on 2025-03-11, though the company says it has traded since 1936.