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Industrial Water and Wastewater Technology IWT We emphasis mainly in offering our professional advice to clients from the textile finishing industry and paper industry, gastronomy- and food-industry, the cosmetic and pharmaceutical industry, the chemical as well as the metal and automobile industry. Alongside plant internal solutions we also create decentral as well as central solutions by developing extensive purification processes for the treatment of industrial wastewater at communal treatment plant. Therefore a series of aerobic and anaerobic biological degradation tests are carried out in advance. Further emphasis of ours is the treatment of leachate of landfills using biological and chemical-physical processes. For example we are developing adaptable modular processes for the aftercare operations of landfills at reduced leachate levels and toxic concentrations. Therefore the use of carbon adsorption processes and membrane processes play an essential role in our work. Here at the IWT department we also deal with topics such as water and waste recycling as well as saving resources. Exemplary is our expert’s assessment of industrial residues as alternative fuel in the cement industry as well as the sludge incineration in cement plants. for a further two-year extension of the project has already been lodged. By the end of this period, the international accreditation and the implementation of the double degree will have been realised. Under the direction of the Premier, Winfried Kretschmann, a delegation visit to Argentina and Brazil from 13 th to 21 th of November 2011 was carried out. Within the scope of this visit, a networking event was held in Curitiba on the 16 th of November 2011, in order to address the topic of sustainability in the industry association FIEP. At this event the University of Stuttgart rector, Prof. Wolfram Ressel, and the EDUBRAS project manager, Prof. Menzel, presented the Master’s Degree Program to the widely diverse international audience and the media. In addition, Prof. Menzel visited the capital city Brasilia, as a member of the political delegation, where Mr. Kretschmann presented the bilateral projects and the ISWA’s Master’s Degree Program to the environmental minister, Texeira at the Ministery of Environment. Our department is an official control center of the “Deutsches Institut für Bautechnik (DIBt)” in Berlin which is responsible for controlling plants for the limitation of hydrocarbons in wastewater including mineral oils. Our department also offers its courses at different universities abroad, e.g. to Brazil and cooperates with Latin American facilities. Which enables such programs as the cooperation of the Universidade Federal do Parana (UFPR) and the national environmental protection industry Servico Nacional de Aprendizagen Industrial (SENAI/ PR) in Curitiba/ Brazil to create the new Masters program EDUBRAS- MAUI (communal and industrial environmental protection) under management of the IWT Department and under German standards. The master’s degree “EDUBRAS-MAUI – communal and industrial environmental protection” was evaluated by the DAAD in March 2009 and was thereby awarded the rating “excellent” and was described as being “a showpiece project of highest distinction”. Due to the standard of academic excellence and the positive reception in Brazil, the DAAD has decided to continue its support for the program after the first funding phase comes to an end. An application for additional funds within the framework of the export education program, in order to publish a series of textbooks in Brazil has already been approved and an application 43
Chair of Sanitary Engineering and Water Recycling Research MIKROFLOCK - Upgrading municipal sewage treatment plants with flocculation - filtration units by the use of activated carbon By addition of activated carbon, micropollutants can be reduced to a certain degree from the liquid phase at sewage plants. Herewith, the inert COD in the effluent of the sewage plant may be significantly reduced. Many of the larger sewage plants in Northrhine-Westfalia are equipped with final filtration units, which may be used for this purpose: the construction already exists, the filter inflow shows no or only less particulate matter and an emission of loaded activated carbon into the receiving water is reliably avoided. In this R+D-project different technological approaches shall be investigated on their technical, operational and economical realisation in full scale at existing filter units in Northrhine-Westfalia. At Buchenhofen STP the dosing of powder activated carbon (PAK) into the submerge of one filter chamber and at Düren-Merken STP a change of the existing filter material against granular activated carbon (GAK) will be investigated. In addition, the dosage of PAK into the effluent of the final settling tank with a technical carbon separation prior to the filtration unit will be tested in laboratory and/or pilot scale. A technical scale test of this approach is considered as an option for an on-going R+D-project. The investigations are completed by an assessment of different activated carbons prior to the testing. For constructional details two consultancies participate in the project. The results will be summarised in a praxis-orientated report. The report will also include an assessment for an implementation of the investigated approaches at other sewage plants with filtration units in Northrhine-Westfalia. Financing Institution: Ministerium für Klimaschutz, Umwelt, Landwirtschaft, Natur- und Verbraucherschutz des Landes Nordrhein-Westfalen Contact: Prof. Dr.-Ing. Uwe Menzel M.Sc. Dipl.-Ing. Sebastian Platz Project partner: SAG – Ingenieure, Ulm Joint research project partners: Wupperverband (WV) Institut für Siedlungswasserwirtschaft (ISA) der RWTH Aachen AVT Aachener Verfahrenstechnik WVER Wasserverband Eifel-Rur Emschergenossenschaft Lippe Verband Tuttahs & Meyer Ingenieurgesellschaft The official inspection office, responsible for carrying out practical tests at different plants to ensure the reduction of hydrocarbon in wastewater containing mineral oil As a result of Prof. Menzel being appointed part of the expert-committees - Abscheider und Mineralölhaltiges Abwasser -A-(428) - Mineralölhaltiges Abwasser –B 3-(428c) - Mineralölhaltiges Abwasser –B 4-(428d) by the “Deutsches Institut für Bautechnik (DIBt)” in Berlin, the Institute for Sanitary Engineering, Water Quality and Solid Waste Management at the University of Stuttgart (IWT department) was then appointed as the official inspection office. The department is responsible for carrying out practical tests at different plants to ensure the reduction of hydrocarbon in wastewater containing mineral oil. Financing Institution: Deutsches Institut für Bautechnik (DIBt), Berlin Contact: Prof. Dr.-Ing. Uwe Menzel Input of micropollutants into wastewater by pharmaceutical products 44
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