In order for the digester to work as intended it needs to build two screens and two mixers. This will help ensure that poor-quality compost is kept out of the landfill and from littering the environment with plastic. The digester was designed to work in tandem with the Edmonton Composting Facility (ECF). ECF was shut down in 2019 for safety issues The digester was designed to work in tandem with the Edmonton Composting Facility (ECF) which has been shut down since 2019 for safety issues.Without the screening provided by ECF what arrives at the digester site is full of garbage and is bad for the environment.