Dairy waste could become fertilizer gold—if economics work out

Researchers have tested a two-step process to extract valuable nutrients and biochar from dairy sludge, but profitability hinges on market prices for the recovered products. The findings suggest dairy processors could cut waste disposal costs while creating saleable byproducts, though scaling the technology remains financially uncertain.

Originaltitel: Hydrothermal carbonisation & struvite precipitation from dairy sludge: Evaluating market uncertainties & scale trade-offs