The booklet “Circular entrepreneurship: from residual flow to added value” from Symbiosis4Growth examines 6 practical examples of successful implementations of circular practices that lead to concrete results and savings.
Read the stories here (Dutch): https://www.symbiosis4growth.nl/wp-content/uploads/sites/4/2021/12/S4G-uitgave-DO_web.pdf
Examples describe processes from coffee bean to matrix board, residual water from industry for use by farms, neighbors that are connected via residual heat, from lemon peel to paper, using maize from 'head to butt' in a meat substitute and a warm bath with industrial residual heat.