In a realistic, comprehensive conservation scenario P input was reduced by 15%; deliberate export of P in the form of sewage sludge, food waste, and landscape waste was 68% of P input.
However, it can be utilised to remove heavy metals from sewage and as an energy source in the form of briquettes.
Excess concentrations of nutrients that enter the aquatic ecosystem in the form of sewage and industrial wastes or runoff from urban areas can dramatically increase the primary productivity of the ecosystem, and this consequently may affect the marine water quality (Abel [1996]).
As a facilitator of green development, the port is working with the city's local waste incinerator, water company, and sewage company to produce renewable energy in the form of biogas.
Those on the side of wild salmon cite pollution from the crowded nets in the form of fish sewage and antibiotics and other drugs used to boost fish growth or increased populations of parasites like fish lice.
However, large parts of the world are not connected to sanitary sewers and may have high nitrogen and phosphorus inputs to waterways in the form of raw sewage.
Both events were preceded by heavy rains; had highly concentrated sources of pathogens in the form of untreated sewage and animal waste, respectively; and had vulnerable infrastructure.
The "gas to grid" plant at Bristol sewage works uses anaerobic digestion (AD) to extract energy in the form of biogas from a mix of food waste, commercial liquid waste and domestic sewage, which is then refined to the same composition as natural gas.
My research focuses on how nutrient pollution, in the form of agricultural runoff and sewage, affects coral reefs.
In this work, a reactive crystallization process was designed and optimized for separating high purity phosphorus (P) in the form of CaClH2PO4·H2O crystals from sewage sludge ash (SSA).
