There is plenty of information and tools about Remanufacturing and Circular Economy, in general, on the internet. Here are some useful links:

Conseil Européen de Remanufacturing (European Remanufacturing Council)

European Remanufacturing network. This website reports the outputs of the European Commission-funded project, European Remanufacturing Network funded under Horizon 2020. Provides, information, tools and resources.

ResCoM, which stands for Resource Conservative Manufacturing, has developed a collection of methodologies and tools for the implementation of closed-loop manufacturing systems. Co-funded by the European Commission, the project concluded in October 2017. The platform and tools are accompanied by a series of industrial case studies demonstrating the benefits of its application across various industries.

The Ellen MacArthur Foundation works with business, government and academia to build a framework for an economy that is restorative and regenerative by design.