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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,947 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringHünenbergWiederkehr Engineering GmbH
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Wiederkehr Engineering GmbH

Summary

About the company

The core activity of Wiederkehr Engineering GmbH is the development and implementation of projects for waste recovery and disposal, particularly through the use of pyrolysis, hydrogen treatment, sewage sludge utilization and CO2 capture from the air, with the goal of converting waste into valuable resources for the environment and humans.

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Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered6
Engineering consulting for waste valorisation
Engineering work and support for projects to convert waste into secondary raw materials and benefits for people and the environment; guidance with experience and know-how in implementation.
Concept design for circular and recycling solutions
Design of projects that close the recycling loop and create something new from waste; focus on 360-degree visions and environment-related concepts.
Development of processes for sewage sludge recovery
Development of systems for using sewage sludge so that new outputs can be created for fertile soil from what is seemingly unusable.
Hydrogen processing for drive systems
Hydrogen processing for environmentally friendly drive systems; using steam from the company’s own pyrolysis process as an additional energy source.
Pyrolysis for waste elimination and power generation
Pyrolysis process for eliminating residual waste after separation into recyclables and residual waste; simultaneous electricity generation from the remaining feedstock.
CO2 removal from the air
Processes for removing CO2 from the air as a contribution to reducing greenhouse gases and limiting global warming.
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Location

Bösch 71
6331 Hünenberg

At a glance

Legal form
Limited Liability Company
UID
CHE-114.333.069
Founded
2008 · 18 years
Last commercial register change
August 27, 2019
Employees
1 to 10

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