What are the properties of sludge resulting from wastewater treatment that is suitable for use as an organic fertilizer for agriculture
The properties of sludge suitable for use as an organic fertilizer for agriculture depend on various factors such as the treatment process, sludge age, and the composition of the wastewater. Generally, the sludge should have low levels of heavy metals and pathogens that may pose a risk to human and environmental health. The sludge should […]