Discover the processes available in English here, using the search tool or the available filters.
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- Do you manage a wastewater treatment plant and want to recycle the sludge that comes from it? Do you manage a post-treatment and dewatering centre for sludge from various wastewater treatment plants…
- Property tax is a regional tax on real estate located in the Walloon region. Property tax is calculated based on cadastral income, as established by the federal administration. You will receive a…