Identification and Control of Filamentous Micro-organisms in Industrial Wastewater Treatment Plantspresents completely new information on filamentous populations, responsible for poor settling sludge (bulking) in industrial wastewater treatment plants (WTPs). The results presented are based on a six-year EU-sponsored research program carried out by a consortium comprising Dutch (Bioclear and TNO), Italian (CNR), Danish (TU Aalborg) and German (Vermicon) partners. The research program included approximately 200 treatment plants, covering a wide range of industrial sectors. Over 120 minutes of audio recording is supported by extensive photographs, videos, animations and tables with over 1,000 illustrations. It has been established that the filamentous populations in industrial WTPs differ significantly from those in domestic wastewater treatment plants. Based on conventional and FISH analysis about 50 unknown filamentous species have been identified and described. Many new gene probes were developed to enable the fluorescent in situ identification of frequently occurring species. The CD-ROM presents: control strategies aimed at improving process stability in industrial WTPs. description of all the filamentous species observed, illustrated with hundreds of high quality micrographs. description of the newly developed FISH probes. an audio-visual presentation of the way conventional and FISH analysis should be carried out. identification keys. information on the nutritional requirements and frequency of occurrence of 80 filamentous species. This CD-ROM provides new information on the biology of industrial wastewater treatment plants in a form accessible to those working in the field. It will be an invaluable training and reference source for: engineers and plant operators responsible for stable plant operation. consulting companies. microbiologists. universities and organisations involved in training and education.