The valorisation of anaerobic digestate in the context of circularity and sustainability is a very
challenging issue, given its increasing production rate. The main aim of this paper was to …

While 'renewable'is the keyword in a bioeconomy and resource conservation is the
motivation behind a circular economy, a circular bioeconomy is one in which waste streams …

Bio-based solutions are expected to ensure technological circularity in priority areas such as
agriculture, biotechnology, ecology, green industry or energy. Although Poland, unlike the …

The rising trend in environmental pollution in current years has elevated the demand for
clean energy to reduce environmental stress, and the newly developed biomass energy …

Phosphorous and Nitrogen are key nutrients for plants growth, usually supplemented by in
the form of fertilizers. Therefore, management and utilization of these compounds in a …

The application of sewage sludge as fertilizer in the production of non-food crops is an
environmentally sustainable approach to sewage sludge management. This article presents …

Fast development of centralized agricultural biogas plants leads to high amounts of
digestate production. The treatment and disposal of liquid fractions after on-site digestate …

The development of biorefineries is a crucial step in the circular economy framework. In
biorefineries, research is intensified towards utilizing feedstocks, which do not need arable …

Technologies used in municipal wastewater treatment plants (WWTPs) allow the recovery of
energy and valuable elements (phosphorus, nitrogen, and organic carbon) for the soil. This …

This paper presents the results of a pot experiment aimed at the assessment of the fertilizer
value of struvite, a precipitation product obtained from a liquid fraction of the digestate. The …