Write a report to reflect the processes employed at Cardiff Sewage Treatment Works.

Cardiff Sewage Treatment Works Site Visit Report
The report should reflect the processes employed at Cardiff Sewage Treatment Works. Important information has been posted on blackboard regarding the site. It is important to note that significant changes occurred at the site in 2010 i.e. the driers for sewage sludge were replaced by a thermal hydrolysis process, anaerobic digestion and digested sludge dewatering. The report should include a description of all the currently employed stages and processes, flows, typical efficiencies and flow-diagrams. You should in addition to the site information provided, conduct a wider research in the open literature, related to the treatment processes found at the site. You should also indicate their importance within a sewage treatment plant. The module site visit report around 1500 words plus figures and references.