Responsibility
Composting of seafood processing sludge
Study evaluates if controlling maturation stage during seafood sludge composting through turning improves the process in comparison to static composting.
Responsibility
Sludge report: Finding value in Norway’s aquaculture waste
Bioretur converts aquaculture waste, or sludge, into fertilizer as demand for “circular economy” technologies grows.
Responsibility
Settling basin design, operation
To design a settling basin, know the size distribution of particles, estimated rate of inflow and determination of the smallest particle size to be removed.
Responsibility
Sludge management at pangasius farm cuts discharges
In modifying its infrastructure and related pond management, QVD Aquaculture uses floating water plants to remove nitrogen and phosphorus from the discharge water. Sludge pens capture sludge at ponds for later reuse.
Responsibility
Aeration, mixing and sludge control in shrimp ponds
A benefit of aeration is the mixing of pond water. Similar to biotechnological reactors, microbial processes are more effective in mixed pond water.
Health & Welfare
Sludge: An obstacle to shrimp health
Excess nutrients from poor feeding regimes result in accumulated sludge on the bottoms of shrimp ponds, harming the environment and animal health.