A Karlstad University project will investigate biochar pellets made from pyrolysed sewage sludge and test them as soil improvers and slow-release fertilizers. These are research objectives, not demonstrated commercial outcomes. The project differs from bamboo-based biochar, but raises relevant questions about contaminants, application testing and nutrient recovery.
Source publication date: 13 August 2026. Editorial review: 5 October 2026.
Source: Karlstad University
This is an independent industry update, not an announcement of a Connective Global project or product.
