TECHNICAL CENTER IN
CORROSION, BIOCORROSION AND BIOFOULING
AJ/AJ-13/PRES/1721V3
CORRODYS, 145 Chemin de la Crespinière, BP 48, 50130 Cherbourg-Octeville - FRANCE www.corrodys.com - Phone + 33 (0)233 018 340
OVERALL PRESENTATION Technology center in
Corrosion, Biocorrosion, Biofouling Interaction materials / biofilms - biofouling
Activities
13 people
Expertises
Tests Consultancy
Legal status
SERVICES
Diagnosis Analyses Technological Watch
R&D
In-house projects Collaborative projects
Business association under the French law of 1901
CRT label Centre for Technological Resources
Financial backers County council of la Manche Lower Normandy regional council European Union (FEDER)
CIR Research tax credit CII Innovation tax credit
OUR CUSTOMERS
Companies from any sectors facing corrosion issues
Nuclear
Oil & Gas
Others
Maritime
MRE Building Civil engineering Public works Water networks
Marine Renewable Energy
From SME’s to large international groups or PME
CORROSION - BIOCORROSION - BIOFOULING Main influencing factors Microorganisms
Environment
Biocorrosion Biofouling
Materials Biofilm and fouling formation
Deposit
A COMPREHENSIVE OFFER A multidisciplinary team PhD’s, engineers, technicians
Biologists
Microbiologists
Corrosionnists
Complementary skills
and knowledge
Physico chemists
Technological watch
OUR TESTING FACILITIES Adapted facilities for different needs Laboratories Reactors, cryostats ‌ Climatic chamber Test loop in renewed environment
Testing hall Test loop supplied in natural seawater Electrochemical test tanks
On site Test to scale 1
CORROSION BIOCORROSION BIOFOULING TESTS
OBJECTIVES Find the sturdiest material Choose the most efficient anticorrosion and antifouling protection Choose the most efficient biocides
Customized tests In line with the real operating conditions Adjustable test facilities
Samples collected directly from our client’s environment
IMMERSION
ATMOSPHERE
STRESS TEST
Natural seawater, fresh water, process water With or without: Oxygen, Nitrogen, CO2, Bacteria responsible for biodeterioration, synthetic or biogenic sulfides
Acid atmosphere Salt-spray test Aging test (temperature, humidity)
U-Bend tests 4-point bending
CORROSION BIOCORROSION BIOFOULING TESTS
Accelerated corrosion A unique know-how After many years of in-house research & development projects, Corrodys is now able to recreate in the laboratory accelerated MIC (Microbiologically Influenced Corrosion)
Formation of pathogenic biofilms just after 4 weeks (in a marine environment) Quick answers guaranteed Observation of samples from accelerated biocorrosion test after 15 days
Without biocide
With biocide
CORROSION BIOCORROSION BIOFOULING TESTS
Test loop in renewed environment OBJECTIVES Evaluate biocides effectiveness (antimicrobial, inhibitors…) on biofilms Assess the safety of those products on the materials
Help development of innovative environmentally friendly solutions
ADJUSTABLE PARAMETERS Oxygen level - Aerobic or anaerobic test Temperature - From 25°C to 60°C
Flow speed Material - Metallic or not, with or without coating Flowing medium Click to open
CORROSION BIOCORROSION BIOFOULING TESTS
Test loop supplied in natural seawater OBJECTIVES Qualify materials and coatings immersed in a marine environment Validate treatment solutions against marine corrosion (antifouling, biocides, corrosion inhibitors, cathodic protection …)
ADJUSTABLE PARAMETERS Oxygen level - Aerobic or anaerobic test
Temperature - From ambient to 60°C Flow speed - Up to a max. of 2m/s for a Ø 1,7cm pipe Tested material - Metallic or not, with or without coating Seawater treatment - Possibility of injection Click to open
IN-HOUSE DEVELOPMENT Customized biofouling tests A unique test facility
OBJECTIVES Validate antifouling systems (coatings, ultrasound …)
Qualify material in marine environment
TESTING CONDITIONS
Seawater - Continuously renewed
Closest recreation of real service conditions
Current speed - Up to 2 m/s Erosion - Presence of particles in suspension. Reference microfouling – Bacteria, algae … Temperature – Adjustable
Project co financed by ADEME Investments for the Future Program
Application for tidal turbines farms
EXPERT ASSESSMENT OBJECTIVES Identify cause of the corrosion damages Recommend corrective actions
01
Work on site Full inspection of facilities
02
Materials, deposits, fluids ‌ surrounding medium
03
Metallographic, microbiological, physicochemical
04
Results from the investigation work, analyses and the study of the technical documents provided
INVESTIGATION
SAMPLES
ANALYSES
REPORT
CONSULTANCY & DIAGNOSIS Ensure safety and sustainability of structures against corrosion, biocorrosion and biofouling
Consultancy Assistance since the designing of industrial facilities ADVICES ON THE CHOICE OF Metallic materials Materials assembling Protection system Anticorrosion, antifouling, biocides, coatings …
Diagnosis Risk evaluation at a specific point in time Risks related to design
Risks related to operating conditions Cathodic protection potential inspection Level I, buried structure sector
Example: Marine adaptation of equipment
ANALYSES
PHYSICOCHEMICAL Environmental analysis
Dissolved oxygen, pH, conductivity, T°C
01
MICROBIOLOGICAL Microorganisms analysis
Quantification of sulfides Internal method
Quantification of nutrients
SEM – Epifluorescence microscope Microscopy - Revification
Quantification of species ICP-AES, SAA
Microorganisms distribution on the surface of the material Morphology
Electrodes - Probes
COT, Sulfides, Nitrates …
02
Identification of corrosion products X-ray diffraction, Raman spectrometry
Diversity Microscopy – Molecular detection method
Research and measurability of microorganism (specific bacteria involved in corrosion phenomena: SRB, TRB, APB, IRB, Methanogens) Revification - Molecular biology - Enzymatic method
Identification API strip – Molecular biology
METALLOGRAPHIC Material analysis
03
Material characterization Microstructure - Hardness
Uniform degradation Electrochemical and gravimetric monitoring
Localized degradation Morphology and deterioration profile Density and depth of corrosion pit
MARINE RENEWABLE ENERGIES PROJECTS SERVICES Consultancy, diagnosis
Marine adaptation of equipment (tidal turbine) Choice of metallic materials and research of protective solutions against corrosion and biofouling phenomena
Assistance with the choice of protective system for a floating tidal turbine Protection against corrosion and biofouling phenomena
Analyses Biofouling characterization Test of antifouling solutions efficiency
RESEARCH & DEVELOPMENT Anti-corrosion, anti-fouling subjects SEATC – innovative transformer/connector Collaborative project, cofinanced by ADEME, PIA.
RESEARCH & DEVELOPMENT Work in collaboration with industrials, research centers and university
MICSIPE Microbiologically induced corrosion of steel structures in port environment Europe, Research fund for coal and steel, ArcelorMittal, Swerea Kimab, University of Cadiz, University of Delft, University of Rouen
REI
Recherche Exploratoire et Innovation
Study of the biofilm and corrosion on stainless steel alloys in natural seawater University of Caen, DCNS, ARAGO, DGA, IFREMER
CEMAR PC
Corrosion Electrochimique MARitime – Protection Cathodique
Study of marine electrochemical corrosion and cathodic protection CETMEF, BAC Corrosion Control, ACCOAST, A-CORROS, Grands ports maritime (Nantes-SaintNazaire, Le Havre, Marseille, Dunkerque), research laboratories (LEMMA from the université of La Rochelle , LISE from CNRS/UPR15, l’Institut de la Corrosion)
SEA TC
innovative Transformer Connector
Development of an industrial solution (tidal turbine and wave energy). A transformater/connector to carry energy underwater M’Prime, DCNS, Activetech, G2ELab. Cofinanced by ADEME, French Environment & Energy Management Agency
OUR PARTNERS
Corrosion
Maritime