The Scientific and Technical Centre for Building Answering the - PowerPoint PPT Presentation

The Scientific and Technical Centre for Building

Answering the stakes of sustainable construction 2

Answering the stakes of sustainable construction TO IMPROVE THE QUALITY AND SAFETY OF SUSTAINABLE CONSTRUCTION CAPE DEPARTMENT, CSTB NANTES TECHNICAL ASSESSMENT RESEARCH PRODUCTION OF SCIENTIFIC - Pressurized pipes and KNOWLEDGE ON THE WATER CYCLE sanitary accessories HES DEPARTMENT, INSIDE BUILDINGS AND RELATED - Technologies for water CSTB Marne-La- TO ITS CLOSE ENVIRONMENT treatment Vallée - Sewage pipes and equipments - On-site wastewater treatment EXPERTISE plants Objectives: support the French policies vs. risks 3

HES Department LABORATORIES Staff FOR HYDRAULIC AND 63 people SANITARY EQUIPMENTS Assess the quality of products and sanitary systems. Key activities Test platform: 3 500 m 2 Assessment of the quality of products and components used in fluid networks Risks, innovative products and processes Tests Materials and components ; mechanical, hydraulic and physico-chemical tests Certification Innovative and traditional products 4

CAPE Department Research - Expertise Staff 6 research scientists, 3 technicians, 10 PhD students and 1 post-PhD student. Key activities Experiment and simulate the water cycle within the building – plot – environment system. AQUASIM Evaluation Staff 3 engineers, 5 technicians. Key activities Evaluation of the quality of networks and on-site wastewater treatment plants. Tests  CE marking; mechanical, hydraulic and physico-chemical 5 tests

Integrated approach of the water cycle Interactive system: Plot zone building - plot - environment Collection and production of different types of water Water transport and usage Technical gallery Treatment and release to the environment AQUASIM building 6

AQUASIM Facility AQUASIM in figures Total surface area for building: 2300 m 2 , storage pools from 100 to 200 m 3 , 20 tanks from 1 to 6 m 3 , plots: 5000 m 2 , pipes: 7 km Analytical tools Laboratory for physicochemical analysis of water  GC/MS, ionic chromatography, TOC-metre Laboratory for analysis of materials  Polymeric materials, metallographic analysis Laboratory for microbiological analysis On-line analysis Experimental facilities Climatic pool (96 m 3 regulated for temperature and humidity), experimental zones (80 m 2 and 150 m 2 ), green wall (80 m 2 ), plot with groundwater (38 m 2 , 70 m 3 ), plots for water infiltration, plots for experiments on wastewater treatment plants, water treatment equipments (filtration, softener, UV, O 3 production, osmosis, demineralization, ClO 2 7 production).

Research topics Durability Metallic and polymeric materials, recycled materials Health, comfort Interaction material/water, sanitary risks, cold and hot water, reuse of alternative resources Water treatment Drinking water, recreational water Water management Recycling, energy recovery from water Release to the environment Sanitary and technical risks 8

Durability of materials Staff O. Correc, D. Orditz (research and expertise engineers), 1 technician, 2 PhD students Objectives - Determine the chemical compatibility of materials used for drinking water pipes. - Simulate the long-term behaviour of PA6,6 by ageing experiments. - Characterize the damaging and life duration of sewage products made with recycled materials. - Develop analytical methods to assess the physico- chemical properties of recycled materials. Research program Plastic industry; CETIM; Regional Council of Pays de la Loire Partners Laboratory for Processes, Mechanical Engineering and Materials (ENSAM Paris), CETIM, Polytech Nantes, Institute of Materials of Nantes, Regional Council of Pays de la Loire 9

Interaction materials/water Staff P. Humeau (research and expertise engineer), 2 PhD students Objectives - Elaboration of a method to objectivize the sensorial measurements of water flavours using indicators of the nervous system. - Study of the interaction mechanisms between materials and water in dynamic conditions in order to improve the management of sanitary risks related to water pipes. Research program 1.0 cr_manip.Width cr_manip.AMinSlope cr_manip.PeakArea cr_manip.TMinSlope 3 cr_manip.AMinSlope cr_manip.Width50 Acide 4 CETIM cr_manip.Width90 2 0.5 cr_manip.Width90 Caféine 3 1 NaCl 1 Acide 3 Dim 2 (20.05%) NaCl 2 cr_manip.PeakArea Sucrose 1 Acide 1 0.0 cr_manip.Width50 Acide 2 0 Sucrose 2 Evian NaCl 3 cr_manip.Width Caféine 4 Sucrose 4 Sucrose 3 Partners -1 Caféine 1 Caféine 2 cr_manip.TMinSlope -0.5 -2 NaCl 4 -3 Ecole Nationale Supérieure de Chimie of Rennes, CETIM, Irccyn -1.0 -2 -1 0 1 2 -6 -4 -2 0 2 4 6 Dim 1 (60.11%) Dim 1 (60.11%) 10

Water treatment (drinking water, recreational water) Staff P. Humeau (research and expertise engineer), N. Garandel (engineer), 1 technician Objectives - Study of emissions of chlorination by-products in closed swimming- pools’ atmospheres – Elaboration of a method to measure and analyse the influence of operating parameters in a reference pool. - Measurement of performances of decarbonisation processes. Research program ANSES program: Evalchlore Project (2013-2015), EvalPiscine Project (2014). Partners Ecole Nationale Supérieure de Chimie of Rennes 11

Microbiological sanitary risks Staff N. Garrec (research and expertise engineer), 1 technician, 2 PhD students Objectives - Characterization of sanitary risks related to:  cold water pipes and thermal springs ( Pseudomonas ),  hot water pipes ( Legionella , amoebae and intra- amoebae micro-organisms). - Qualitative and quantitative study of biofilms in hot and cold water pipes. - Elaboration of innovative procedures for network disinfection. Research program INDICAMIBES (2010-2013) : Detection et quantification of the main amoebae by PCRq. Partners Ecole des Mines of Nantes, Universities of Poitiers, Lorraine and Aix-Marseille, Thermal Institute of Dax, City of Enghien-les-bains. 12

Water management (recycling, energy recovery) Staff G. Bulteau, N. Garrec, B. de Gouvello (research and expertise engineers), 3 technicians, 3 PhD students Objectives - Characterization of risks related to the use of treated greywater for outdoor uses. - Characterization and evolution of microbiological quality of alternative waters (rainwater, greywater) that are produced, treated and stored in buildings. - Determination of the efficacity of heat exchangers for instantaneous energy recovery from shower greywater. Research program Cycleaux-1 (2006-2011) : Greywater reuse in buildings and cruise ships Partners Ecole des Mines of Nantes, Ecole Nationale des Ponts et Chaussées, STX Europe, Wirquin 13

Release to the environment Staff A. Lakel (research and expertise engineer), 2 technicians, 2 PhD students Objectives - Dynamics of pollutants in soils – Infiltration of stormwater: development of methodologies for soil reconstitution. - Biosensors for the supervision of the biodegradability and the toxicity of rainwater and water from treatment plants. - Study of clogging phenomena in unsaturated flow sand filters used for on-site wastewater treatment. Research programs ANSES program: RISANCO project (2010-2012) ANR program: BIOGUARD project (2011-2014) Regional Council of Pays de la Loire Partners Ecole Centrale of Nantes, IUT of La Roche-sur-Yon, University of Limoges 14

CSTB, to serve the citizens through the quality and safety guarantee of buildings and their environment. .