Managed properly, animal slurry is an environmen-tally friendly source of nutrients for crop production, an amendment to improve soil and a resource for energy production.

May 3, 2022 · Different strategies have been proposed to treat slurries, facilitating their management, and reducing their environmental impact: acidification, additives, solid-liquid separation, biological processes (aerobic or anaerobic), and thermal processing.

Jan 1, 2025 · Pig slurry (PS), a waste by-product of pig farming, is a complex mixture of water, nutrients like nitrogen (N) and phosphorus (P), organic matter, microorganisms, and traces of heavy metals. Its high-water content makes transport and management difficult [ 3 , 4 ].

May 31, 2022 · The results of this research study support the sustainability of pig slurry fertilization at appropriate rates in relation to soil chemical quality. Intensive pig farming produces large amounts of slurry, which is applied to agricultural soils as fertilizer.

Pig slurry is classified as a natural fertiliser of animal origin, being a mixture of faeces, urine, remains of fodder and water used for the elimination of faeces. It is generated in litterless housing systems, where animals are kept on slatted or partially slatted floors.

Mar 22, 2023 · In this work, a treatment plant carrying out full-scale membrane technology to treat manure to reduce its total volume and produce a nutrient-rich fraction, i.e., the concentrate, was studied. The concentrate fraction allowed the recovery of 46% of total N and 43% of total P.

A slurry system is a common waste management system used in pig farming, where pig manure is collected in a storage tank and then spread onto fields as fertilizer. While slurry systems can be effective in managing pig waste and providing nutrients to crops, they also have potential environmental impacts if not managed properly.

Jul 22, 2014 · Pig slurry acidification and separation techniques affect soil N and C turnover and N2O emissions from solid, liquid and biochar fractions. Journal of Environmental Management, Vol. 168, Issue. , p.

Apr 12, 2025 · Pig slurry was collected from a pig farm (42°48′N, 123°57′E) in Liaoning Province, Northeast China. The local AD system for pig slurry maturation is an underground system, referred to as a lagoon, which comprises a drainage …

Pig slurry is classified as a natural fertilizer of animal origin, being a mixture of faeces, urine, remains of fodder and water used for the elimination of faeces. It is generated in non-bedding pig farming conditions, where animals are kept on slatted floors (grate or slotted floor).