Secondary raw materials for fertilizer

The value of secondary raw materials (e.g. sewage sludge, dregs, etc.) for farmers depends on the content of nutritional substances valuable to crops.

The origins of secondary raw materials means that they can contain unwanted substances (e.g. heavy metals or organic pollutants). Highest acceptable levels for these various unwanted substances are defined in legal stipulations. We offer tailor-made testing for these products.

  • sewage sludge analysis
  • testing for nutrients and unwanted substances
  • testing in accordance with legal stipulations.