1 AIT Asian Institute of Technology

Organic and ammonia nitrogen removal suspended solids settling and sludge stabilization using compact rotating biological contactor-settling tank system

AuthorLoy, Teck-suan
Call NumberAIT Thesis no. EV-88-15
Subject(s)Sewage sludge digestion
Sewage--Purification--Organic compounds removal
Sewage--Purification--Nitrogen removal
NoteA Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science, School of Environment, Resources and Development
PublisherAsian Institute of Technology
AbstractThe study of the removal of organic matter, ammonia nitrogen and suspended solids in a compact RBC-Settling tank system is described. Different concentrations of synthetic wastewater were fed parallel into four 4 - stage laboratory scale cascade - connected RBC-Settling tank reactors, at a fixed rotational speed and hydraulic loading. The results of the systems are presented in terms of ammonia , organic and suspended solids loading and removal using the new concept of Disc Biomass Index , Sludge Biomass Index and soluble chemical oxygen demand were more than 95 percent. A MONOD liked hyperbolic function equation fit well for the experimental data, and it gives a reasonable good prediction for the organic removal rate in stage one.
Year1988
TypeThesis
SchoolSchool of Environment, Resources, and Development (SERD)
DepartmentOther Field of Studies (No Department)
Academic Program/FoSEnvironmental Engineering (EV)
Chairperson(s)Ahn, Kyu-Hong ;Yamamoto, K.
Examination Committee(s)Kriengsak Udomsinrot
Scholarship Donor(s)Australian Government
DegreeThesis (M.Sc.) - Asian Institute of Technology, 1988


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