What does the trench method refer to in landfill operations?

The trench method in landfill operations refers to the practice where solid waste is filled into trenches that have been excavated in the ground and subsequently covered with soil. This method involves creating elongated trenches where waste material is deposited, allowing for efficient use of land space while also facilitating the management of leachate and gas emissions. The covering of the waste with soil helps to minimize odors, pests, and potential environmental contamination.

Trench landfilling is particularly beneficial in areas with limited space, as it allows waste to be integrated into the land topography more naturally. Furthermore, this method can enhance the compaction of waste, leading to better volume reduction and stability of the landfill structure over time.