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Cooling water programs overview
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Biology
CW-BI01-08: Mitigation of macro fouling combined with CO2 and chlorine dosing.
CW-BI02-08: New in the Netherlands: the Quagga mussel.
Process conditions
CW-PC01-08: Quick performance test for cooling tower and cooling water systems.
Monitoring & tools
CW-MS01-08: Development of sensitive Legionella monitors and modeling.
CW-MS02-08: Slime monitoring to determine fouling sources.
CW-MS03-08: Development of a model to predict condenser efficiency heat losses due to fouling.
Treatment technologies
CW-TT01-08: Assessment of a VRTX system.
Management decision tools
CW-MT01-08: Best practices handbook for recirculation cooling water systems.
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Mitigation of macro fouling combined with CO2 and chlorine dosing.
Goal:
To realize a “proof of principle” for the combined treatment of CO2 and chlorination to combat macrofouling (mussel growth) in once-through cooling water systems. The system can be cooled with sea, fresh or brackish water.
Customer value:
- to reduce the amount of chlorine used to mitigate macrofouling
- effective dosage treatment for fouling
- savings on chlorine treatment costs and realizing a reduction of environmental impact; the first promising tests show a ± 1.6 m3 Chlorine reduction per MWe
- giving you more room on your current (discharge) permit
- putting CO2 to good use!
Deliverables:
- A HAZOP study will be completed within 4 weeks
- The CO2/chlorination test will be conducted during the summer period and in November the results and the report are finalized.
Like to know more? Download the factsheet below or contact us.
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Is the Quagga mussel at your doorstep?
Goal:
In the Netherlands and perhaps already elsewhere in Europe a new mussel, the Quagga mussel, has been found. The effectiveness of a plant's current control mechanisms may not be suitable to deal with this mussel. The aim of the inventory is to get grip on the spreading regime of the mussel and the effectiveness of your current biofouling control treatment.
Customer value:
- knowing if your plant is in the new habitat of the Quagga mussel, and if so what risks your plant runs
- knowing the effectiveness of your biofouling control treatment
- being able to take necessary precaution measures by knowing if the mussel is heading towards the plant (dependent on geographical location of participants).
Deliverables:
- after the measurements have been completed a report will be delivered within 4 weeks
- depending on the geographical locations of the participants and the amount of participants a memo will be delivered containing the spreading regime of the mussel.
Like to know more? Download the factsheet below or contact us.
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Quick performance test for cooling tower- and cooling water systems.
Goal:
To know quickly what the current situation is of your cooling tower and/or cooling water systems.
Customer value:
- quick, accurate and current information of your cooling water
- inventory includes a quick scan on: microbiology, water treatment, water chemistry, materials and thermodynamics
- a check on current European legislation
- and if applicable a check on Dutch legislation
- first round recommendations will be given on optimizing your cooling water.
Deliverables:
- after the site visit you will receive a quick scan service report within 1 day!
- within 5 working days you receive a final report with recommendations.
Like to know more? Download the factsheet below or contact us.
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Development of sensitive Legionella monitors and modeling.
Goal:
To develop a Legionella risk management system.
Customer value:
- to determine the Legionella exposure risks
- reduce or diminish company stops due to Legionella completely
- insight in the spreading of aerosols
- Measures to be taken during calamities
- In regions with numerous plants, this model can be used to determine which plant yields the highest risk for the environment.
Deliverables:
- guideline due in December 2008.
Like to know more? Download the factsheet below or contact us.
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Slime monitoring to determine fouling sources and recommendations to combat slime forming.
Goal:
To determine the slime fouling sources in a plant in order to combat them.
Customer value:
- increasing the life span and reliability of an installation by reducing Microbiological Induced Corrosion (MIC) in the cooling water system
- cost savings when cleaning the coolers during turn around or plant stop
- reduced production loss due to improved running times of the cooler
- energy savings due to clean surfaces of heat exchangers
- having a good management system that controls Legionella in cooling water
- signaling process leakages to the cooling water which can influence the biological growth
- optimizing chlorine use to reduce the corrosion potential of the system and minimizing the formation of harmful halogen rest products like tri-halogen-methane.
Deliverables:
Per phase a report will be delivered and in the end an overall report with findings and recommendations will be delivered. Project duration per site approximately 24 weeks.
Like to know more? Download the factsheet below or contact us.
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Development of a model to predict condenser efficiency heat losses due to fouling.
Goal:
To develop a model to predict condenser heat efficiency losses due to (in)organic fouling and macro/micro bio-fouling. The model aims to determine, in the design phase of condensers and heat exchangers, the root causes of efficiency losses. With the model it is then possible to specify the necessary measures to chemically or mechanically treat cooling water.
Customer value:
- to know the efficiency loss risks (in Euro’s) at the design phase of your condenser or heat exchanger due to fouling
- knowing which ways to reduce these losses.
Deliverables:
- a model will be attained after approximately 3 years.
Like to know moer? Download the factsheet below or contact us.
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Assessment of VRTX system.
Goal:
Is to determine if the VRTX system in practice complies with its specifications.
Customer value:
- remove uncertainty of using the VRTX system
- knowing the risks when purchasing a VRTX system.
Deliverables:
- assessment report 6 weeks after completing practical work
- multiclient members are invited to be involved in the practical work.
Like to know more? Download the facsheet below or contact us.
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Best practices and a practical problem solving handbook for recirculation cooling water systems.
Goal:
Handbook that contains the theory and practice of maintaining a recirculation cooling water system.
Customer value:
- guideline to help operate the cooling water system efficiently
- reacting appropriately during upset conditions to minimize corrosion and (bio)fouling
- savings on unnecessary cleanup of biofouling and corrosion affected materials
- preventing shutdowns due to Legionella contamination
- increase earnings due to increase operational availability and reliability.
Deliverables:
- the handbook is due in December 2008.
Like to know more? Download the factsheet below or contact us.
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