Any biological process that changes the properties of waste (for example, anaerobic digestion, composting). Biological treatment includes landspreading activities that are licensed.

This is a stage in the treatment of sewage or other effluents which biologically treats the pollution frequently by the natural aerobic degradation of the pollutant.

technologies that use bacteria under controlled conditions to break down organic materials and wastes.

Treatment of biodegradable MSW fractions in a controlled process using microorganisms, either with oxygen - composting, or witout oxygen - anaerobic digestion

A technology that uses bacteria to break-down organic waste into compost. See also MBT.

Any biodegradable (breaking down) process that changes the properties of waste, such as anaerobic digestion and composting.

Technology that uses bacteria to consume waste/ organic materials.

A treatment technology that uses bacteria to consume organic waste.