Operating Large Scale Membrane Bioreactors for Municipal Wastewater Treatment

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Author(s): Christoph Brepols

Publication Date: 18/11/2010

Pages: 156

Binding: Paperback

ISBN13: 9781843393054

eISBN: 9781780401409

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During the last decade membrane bioreactor (MBR) technology has grown up to be state of the art in municipal wastewater treatment. Since 1999 the Erftverband has designed, tendered and commissioned three MBR for municipal wastewater treatment in Germany, with capacities from 3,000 to 45,000 m³/d. The Erftverband was one of the pioneers in the full scale application of the technology regularly hosted training and information workshops for plant designers and operators from all over the world.

The book provides hands-on information on many aspects of MBR technology based on more than ten years of practical experience in the operation of MBR plants with hollow-fiber microfiltration units. It gives details on process configuration, investment and operation costs based on case studies and also in comparison to data from conventional activated sludge (CAS) treatment processes. The book contains the most recent research findings as Erftverband has been collaborating on many of the major European research projects dedicated to MBR technology.

Actual process data from all treatment steps of the plants (mechanical pre-treatment, bioreactors, filtration, membrane cleaning) gives an insight into the long-term performance of the MBR plants and into the possible do’s and dont's of full scale applications and the potential for further process optimisation. It is a good source of practical advice on tendering and construction, plant management and operation.

This book is essential reading for practitioners and researchers, providing information on many aspects of MBR technology, including actual process data, graphs and pictures that illustrate the challenges of MBR design and operation.

Introduction; Wastewater treatment with membranes; Hydrological Situation in the operational area; The role of end users in the membrane business; Design and process configuration of MBR plants; Pretreatment; Bioreactor and process layout; Membrane filtration compartment; Design of the Rödingen MBR; Design of the Nordkanal MBR; Design of the Glessen MBR; General design recommendations; Performance of the wastewater treatment process; Pretreatment; Aeration and oxygen supply; Nutrient elimination; Process control strategies; Efficiency of different denitrification processes; Phosphorous precipitation; Disinfection; Sludge and waste production; Effects on the water quality in the receiving water bodies; Chemical water quality; Overall water quality; Long term membrane performance; Hydraulic performance; Membrane cleaning and maintenance; Membrane material and structure; Life time; Investment cost; Cost structure of MBR plants; Specific investment cost; Cost comparisons: MBR vs. conventional systems; Operational cost; Energy consumption; Cleaning chemicals; Sludge and waste handling; Labour; Cost comparisons: MBR vs. conventional systems; Practical aspects of tendering and construction; Tendering process; Guarantee values; Quality control; Practical aspects of plant management and operation; Operational availability; Future prospects and required developments

Christoph Brepols

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