Aquacontrol - New automatic multiparameter device for environmental task with special aspects to...
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Aquacontrol - New automatic multiparameter Aquacontrol - New automatic multiparameter devicedevice
for environmental task with special aspects tofor environmental task with special aspects to
antifouling and data availabilityantifouling and data availability
Tobias BoehmeTobias Boehme-4H- JENA engineering GmbH-4H- JENA engineering GmbH
Company profileCompany profile Fouling/AntifoulingFouling/Antifouling AquacontrolAquacontrol SummarySummary
ContentsContents
Company profileCompany profile
Windtunnel Windtunnel techniquestechniques
Optical inspection Optical inspection techniquestechniques
Optical Optical devicesdevices
Marine Marine measuring measuring techniquestechniques
Windtunnel techniquesWindtunnel techniques
Windtunnel RenaultWindtunnel RenaultOxford EnglandOxford England
-Sauber-Petronas SchweizSauber-Petronas Schweiz-Behr StuttgartBehr Stuttgart-Uni LüttichUni Lüttich-Uni KasselUni Kassel-Toyota KölnToyota Köln-Ariolos MünchenAriolos München-BMW MünchenBMW München
Optical inspection techniquesOptical inspection techniques
Three coordinates measuring device
Optical devicesOptical devices
Albert Einstein RefractorAlbert Einstein Refractor Bamberg Refractor BerlinBamberg Refractor Berlin
MarinMarinee measuring measuring techniquestechniques
Fouling the big problem for Fouling the big problem for sensors and systemssensors and systems
Anti-fouling technology is one of the most Anti-fouling technology is one of the most important support technologies for important support technologies for autonomous instrumentsautonomous instruments
Protection against or prevention of Protection against or prevention of possible fouling is of great importance for possible fouling is of great importance for a maintenance-free function over a longer a maintenance-free function over a longer period (long-term stability)period (long-term stability)
Fouling, how does it workFouling, how does it work
Gluey biopolymersGluey biopolymers Animals, e.g. mussles and barnaclesAnimals, e.g. mussles and barnacles Algaes, e.g. green algae and brown algaeAlgaes, e.g. green algae and brown algae MicroorganismsMicroorganisms
Result: Lose of data quality Result: Lose of data quality
Examples of BiofoulingExamples of Biofouling
Pictures: © GKSS
Examples of BiofoulingExamples of Biofouling
Oceanographic instruments after 3 months of Oceanographic instruments after 3 months of operation, Northsea near Syltoperation, Northsea near Sylt
Coating with Resistin
Typical Antifouling Typical Antifouling methodsmethods
Picture: © Nees-Institut für Biodiversität der Pflanzen
Toxic coatings (arsenic, copper, tributyl tin, ..)
Mechanical (teflon, wilicon, wiper ..) Gases (chloration, oxidation, …) Toxic surrounding (acids, toxic fluids, ..) Special coatings (micro structures
„Lotus effect“, superficial gel matrix, membranes, ..)
TetraetherlipidTetraetherlipid
O
O
O
O
O
OP
CH2OH
OH
OH
OH
O
O
OH
OH
OH
TetraetherlipidTetraetherlipid
Thermoplasma acidophilumThermoplasma acidophilum
Coating with Coating with TetraetherlipidTetraetherlipid
1 2 3 4
Laboratory test with isolated Laboratory test with isolated speciesspecies
RefRef TLTL GDNTGDNT
TL PLL PEGTL PLL PEG TL BoronsäureTL Boronsäure TL MannoseTL Mannose
Field tests Field tests
Reference TL Boronsäure TL ChitosanReference TL Boronsäure TL Chitosan TL negativ TL PEG TL negativ TL PEG TL TL MannoseMannose
CLSM-analysis after BacLightCLSM-analysis after BacLight®®--dyeingdyeing
ReferenceReference GDNT PO4GDNT PO4 TL PLL PEG 30TL PLL PEG 30
TL DOP TL PO4 TL PLL PEG 40
TL ChitosanTL Chitosan
TL Mannose
TL B Trehalose
TL B Inulin
TL iba
TL negativ
TL Ectoin
TL Hyaluronsäure
CLSM: Confucale Laser Scanning microscopy
4H-Aquacontrol4H-Aquacontrol New New automatic multi parameter automatic multi parameter
device device in cooperation with BBE in cooperation with BBE Moldaenke GmbHMoldaenke GmbH
SensorsSensors Two types of Sensor setsTwo types of Sensor sets 1. High standard with high accuracy 1. High standard with high accuracy
and long durabilityand long durability
Paramters: DO, C, S, T, pH, Chl-a Paramters: DO, C, S, T, pH, Chl-a Cyanobacteria, TurbidityCyanobacteria, Turbidity
2. standard setting2. standard setting Devices based on electrochemical Devices based on electrochemical
prinzips prinzips pH, Redox, Electrodes, .,..pH, Redox, Electrodes, .,..
DataformatDataformat
Intuitive OperationIntuitive Operation
Principle of thePrinciple of thewatersystemwatersystem
Antifouling:Antifouling:
1. Freshwater1. Freshwater
2. Acid2. Acid
Inlet
Outlet
Probe
Probe
Probe
Circulation pump
Inlet
Outlet
Probe
Probe
Probe
Circulation pump
Freshwater
Inlet
Outlet
Probe
Probe
Probe
Circulation pump
Freshwater
Acid
Antifouling conceptAntifouling concept
Cleaning resultsCleaning resultsDebubbler after 2 years Debubbler after 2 years
without manual without manual cleaningcleaning
© BAH/AWI
Iron impuritiesIron impuritiesCleaning with oxalic acidCleaning with oxalic acid
© RijkswaterstaatRijkswaterstaat
2 weeks no freshwater available2 weeks no freshwater available
Debubbler DecemberDebubbler December
2007 Paranaguá2007 ParanaguáDebubbler January Debubbler January 2008 with no 2008 with no antifoulingantifouling
Maintenance and service Maintenance and service easy removable sensor cap for service easy removable sensor cap for service
and calibrationand calibration
Data availabilityData availability
Anitfouling => high data qualityAnitfouling => high data quality Telemetry (e.g. UMTS) => remote Telemetry (e.g. UMTS) => remote
control, Data transfer, Error messagescontrol, Data transfer, Error messages Cost optimisingCost optimising Continuous measurements Continuous measurements
ApplicationsApplications Continuous monitoring of sensitive Continuous monitoring of sensitive
water systemswater systems Automatic monitoring (Water Automatic monitoring (Water
framework Directive)framework Directive) Alarms at high Cyanobacteria Alarms at high Cyanobacteria
concentrations at water bodiesconcentrations at water bodies Continuous River monitoringContinuous River monitoring Harbour Measuring NetworkHarbour Measuring Network Monitoring and controlling of Monitoring and controlling of
AquacultureAquaculture ...... ......
SummarySummary
The 4H Aquacontrol provides solutions The 4H Aquacontrol provides solutions to most of the problems associated with to most of the problems associated with long-term online monitoring of rivers, long-term online monitoring of rivers, lakes and coastal zones.lakes and coastal zones.
The flow trough system combines a The flow trough system combines a easy maintainable sensor frame with easy maintainable sensor frame with integrated antifouling system and the integrated antifouling system and the possibility for automatic and remote possibility for automatic and remote controlled operationcontrolled operation
Thank you very much Thank you very much for your attentionfor your attention