Innovation in potable : Open opportunities ...

D-176anonymous company / United States 1008

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Seeking: Preventing growth of and removing microorganisms and biofilms from a potable water system

biocide, bacteria, Water, potable, purification
- Desired outcome
  
  We want to decrease and maintain the microbial concentration in acceptably clean drinking water. We'd like to do this by preventing the growth of, or by killing, microorganisms in the water and microbial biofilms adhering to the surfaces of our sophisticated water storage and supply system.
  
  03/06/2010 - The deadline of this technology request has expired
  
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  Details of the Tech Request :
  
  BACKGROUND
  
  Potable water enters our storage and supply system from a municipal water source. Once in our water system, the bacterial concentration must be decreased and maintained at bacterial concentrations of less than 50 colony-forming units (CFU) per milliliter. We're not dealing with source water from unknown or untrusted sources. However, this water may need to be stored for as long as a year and may be consumed by people at any point during that time.
  
  Simple filtration of the water at the delivery point as it is delivered is not a good option, because the water system is not guaranteed to be sterile, and the bacteria count may increase over time while the water is stored. As high bacterial counts can overwhelm filtration and treatment systems, filters at the dispense point are also not considered a good option..Instead, we are looking for technology to decrease the number of living organisms below 50 CFU per milliliter and prevent further increases in microbial growth. We do not consider water safe to drink unless it contains 50 CFU or less per milliliter.
  
  While our system is complex, the evaluation of the technology will focus on the final potable water holding tank immediately prior to consumption.
  
  CONSTRAINTS
  
  There are two major constraints:
  
  o Your proposed solution must be compatible with a variety of metals including Inconel(TM), and stainless steel, along with a variety of other materials used for seals and tubing; and
  o Your proposed solution must be reliable enough that water quality would not need monitoring more than once per month. Water may need to remain unmonitored for six months or more.
  
  Additional constraints:
  
  o Low weight
  o A residual biocide is preferred
  o No toxicological effect resulting from long-term human exposure
  o No gas production from the operation of your technology
  o Must be compatible with a specific mixture of ambient gases that include primarily oxygen and nitrogen
  o Operable at ambient pressures from sea level (14.7 psi) down to 8 psi
  
  Field Of Use and Intended Application
  Long-term human consumption.
  
  Desired Outcome
  We would like to find a substance that we can add to stored drinking water (or to the material of the storage system itself) that could substantially decrease bacterial concentrations and would prevent microbial growth and biofilm development. The output of the system would show no more than 50 CFU per milliliter.
  
  Previously Attempted Solutions
  Filters, iodine, hypochlorite, and silver biocides
  
  Comments
  The water consumed is the sole source for participants using the system. Consumption is estimated between 2 and 3 liters per day. Microorganisms previously identified in these systems primarily include Gram-negative organisms, such as pseudomonads, commonly associated with water systems.
  
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D-195anonymous company / United States 1131

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Seeking: Preventing growth of and removing microorganisms and biofilms from a potable water system

biofilm, biocide, Water
- Desired outcome
  
  We want to decrease and maintain the microbial concentration in acceptably clean drinking water. We'd like to do this by preventing the growth of, or by killing, microorganisms in the water and microbial biofilms adhering to the surfaces of our sophisticated water storage and supply system.
  
  12/08/2010 - The deadline of this technology request has expired
  
  Share tech request
  
  Details of the Tech Request :
  
  BACKGROUND
  
  Potable water enters our storage and supply system from a municipal water source. Once in our water system, the bacterial concentration must be decreased and maintained at bacterial concentrations of less than 50 colony-forming units (CFU) per milliliter. We're not dealing with source water from unknown or untrusted sources. However, this water may need to be stored for as long as a year and may be consumed by people at any point during that time.
  
  Simple filtration of the water at the delivery point as it is delivered is not a good option, because the water system is not guaranteed to be sterile, and the bacteria count may increase over time while the water is stored. As high bacterial counts can overwhelm filtration and treatment systems, filters at the dispense point are also not considered a good option..Instead, we are looking for technology to decrease the number of living organisms below 50 CFU per milliliter and prevent further increases in microbial growth. We do not consider water safe to drink unless it contains 50 CFU or less per milliliter.
  
  While our system is complex, the evaluation of the technology will focus on the final potable water holding tank immediately prior to consumption.
  
  CONSTRAINTS
  
  There are two major constraints:
  
  o Your proposed solution must be compatible with a variety of metals including Inconel(TM), and stainless steel, along with a variety of other materials used for seals and tubing; and
  o Your proposed solution must be reliable enough that water quality would not need monitoring more than once per month. Water may need to remain unmonitored for six months or more.
  
  Additional constraints:
  
  o Low weight
  o A residual biocide is preferred
  o No toxicological effect resulting from long-term human exposure
  o No gas production from the operation of your technology
  o Must be compatible with a specific mixture of ambient gases that include primarily oxygen and nitrogen
  o Operable at ambient pressures from sea level (14.7 psi) down to 8 psi
  
  Read more
D-469anonymous company / Ireland 3073

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Seeking: microfluidic platform using reagent chemistry methodology or enzymes for the detection of faecal coliforms in drinking water

engineering, drinking water analysis, in-situ testing, novel methods, Enzymes, microfluidic, reagent
- Desired outcome
  
  We are looking for a developed platform which uses novel reagent chemistry methodology or detection methods using enzymes to detect faecal coliforms. The detection methods must measure faecal coliforms up to the levels set by the Drinking Water Directive.
  
  11/06/2012 - The deadline of this technology request has expired
  
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  Details of the Tech Request :
  
  This technolgy will be used in a wide set of applications to improve the monitoring methods which we can provide to our clients. We are keen to learn about new novel detection methods for this parameter which can be used on a mobile platform for in-situ testing. Read more
D-472anonymous company / Spain 2180

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Seeking: chemical or biological compounds with optical properties depending on concentration of water quality parameters for quality control of fresh and waste water

optical, water quality
- Desired outcome
  
  Chemical or biological compounds that have optical properties (absorbance, fluorescence, colour) depending on concentration of quality parameters of water (pH, ammonium, nitrates, chlorides, phosphates, DBO...) for quality control applications of fresh and waste water.
  
  13/12/2012 - The deadline of this technology request has expired
  
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  Details of the Tech Request :
  
  We develop water analyser for water quality control, and we are studding the possibility of new parameters to measure using optical techniques. We have technology for optical measure and online analysers but we need the chemical or biological compounds with the optical properties. Read more

Featured innovation seeker Air Products and Chemicals

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D-509TelLab / Ireland 2132

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Seeking microfluidic technology for water quality analysis

water quality, microfluidic technology, pollution sources, lab on a chip, pollution detection
- Desired outcome
  
  To source developed microfluidic technology for the detection of contaminants in water. We would anticipate to use this technology in a wide range of water applications. For this reason the technology would detect contaminants at drinking water limits in addition to higher limits eg surface waters.
  
  07/02/2013 - The deadline of this technology request has expired
  
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  Details of the Tech Request :
  
  We are interested in getting in contact with research groups developing this technology. We would like to see proof of concept and ideally a product prototype. We are in interested in the analysis of parameters that effect drinking quality, with a particular interest in the 48 parameters referred to in the drinking water directive. Read more
D-281anonymous company / United States 1196

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Seeking: Cheap, effective water treatment system to enable the use - re-use of dirty waste wate

dirty water, treatment, reuse,
- Desired outcome
  
  This organization needs a way to render dirty water clean enough to use for washing or sanitary purposes. The method must be effective, low cost, and not require power.
  
  The dirty or waste water may contain a variety of contaminants that need to be removed. Issues this organization has identified and would like to be able to tackle in particular are:
  
  o Reduce/remove dirt particles in the water to reduce turbidity <5NTU
  
  o Remove surfactants (particularly Linear alkylbenzene sulphonate (LA
  
  01/02/2011 - The deadline of this technology request has expired
  
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  Details of the Tech Request :
  
  Clean water for drinking and washing is in short supply in most of the world. Besides hydration (a critical world-wide need), water is necessary for washing and sanitary needs.
  
  When clothes are washed in a bucket or small tub that contains a minimal amount of water, the wash and rinse water rapidly become burdened with dirt and soap. This organization would like to find a way to remove the dirt and surfactants from the used water -- cheaply -- thus effectively multiplying the clean water for use in rinsing. Ideally, your water-cleaning method could make dirty water potable.
  
  A typical first rinse laundry water contains a surfactant concentration of 0.1-0.2 g per L, a turbidity of ~300 NTU and a pH of ~9. Typical surfactants are anionic surfactants such as linear alkylbenzene sulphonates and non-ionic surfactants such as, ethoxylated alcohols.
  
  CONSTRAINTS
  
  o Your solution should present no safety or eco-toxicity issues.
  
  o The solution should not be a powered device.
  
  o Time constraints: Your solution should clean up ~10 L of water in about 2 minutes
  
  o Easy to clean and maintain. A technical solution that requires a great deal of water to clean would not be satisfactory.
  
  o The target market is exceptionally cost-sensitive in terms of initial equipment acquisition, and in operation, maintenance, and upkeep.
  
  POSSIBLE SOLUTION AREAS
  
  A number of solutions exist for waste water treatment and purification. If any can be used within the cost, power and volume constraints they would be of interest.
  
  Potential technology solution areas
  
  o Absorbants (activated carbon, silica gel), antifoams
  
  o Filtration/separation/sieves/membranes
  
  o Coagulation/flocculation
  
  o Aeration
  
  o Chemical
  
  o UV
  
  Field Of Use and Intended Application
  Washing water in rural and clean-water-poor areas of the world.
  
  Desired Outcome
  Ideally, you will provide a method or device that can reduce water turbidity, remove surfactants (predominantly LAS surfactants), render the water a neutral pH, and clean about 10L of water in about 2 minutes.
  
  Previously Attempted Solutions
  The current method uses flocculation. This clumps together fine particles using flocculants, thus improving filterability of the particles. It is a method used in water purification plants and sewage treatment.
  
  Comments
  This company is open to a wide variety of deals and is able to support early stage joint development work.
  
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Innovation in potable : Open opportunities ... | Requests

Innovation in potable : Open opportunities ... | Requests

Submit your solution>> Share tech request>> Seeking: Preventing growth of and removing microorganisms and biofilms from a potable water system

biocide, bacteria, Water, potable, purification

We want to decrease and maintain the microbial concentration in acceptably clean drinking water. We'd like to do this by preventing the growth of, or by killing, microorganisms in the water and microbial biofilms adhering to the surfaces of our sophisticated water storage and supply system.

Submit your solution>> Share tech request>> Seeking: Preventing growth of and removing microorganisms and biofilms from a potable water system

biofilm, biocide, Water

We want to decrease and maintain the microbial concentration in acceptably clean drinking water. We'd like to do this by preventing the growth of, or by killing, microorganisms in the water and microbial biofilms adhering to the surfaces of our sophisticated water storage and supply system.

Submit your solution>> Share tech request>> Seeking: microfluidic platform using reagent chemistry methodology or enzymes for the detection of faecal coliforms in drinking water

engineering, drinking water analysis, in-situ testing, novel methods, Enzymes, microfluidic, reagent

We are looking for a developed platform which uses novel reagent chemistry methodology or detection methods using enzymes to detect faecal coliforms. The detection methods must measure faecal coliforms up to the levels set by the Drinking Water Directive.

This technolgy will be used in a wide set of applications to improve the monitoring methods which we can provide to our clients. We are keen to learn about new novel detection methods for this parameter which can be used on a mobile platform for in-situ testing. Read more

Submit your solution>> Share tech request>> Seeking: chemical or biological compounds with optical properties depending on concentration of water quality parameters for quality control of fresh and waste water

optical, water quality

Chemical or biological compounds that have optical properties (absorbance, fluorescence, colour) depending on concentration of quality parameters of water (pH, ammonium, nitrates, chlorides, phosphates, DBO...) for quality control applications of fresh and waste water.

We develop water analyser for water quality control, and we are studding the possibility of new parameters to measure using optical techniques. We have technology for optical measure and online analysers but we need the chemical or biological compounds with the optical properties. Read more

Featured innovation seeker Air Products and Chemicals

Submit your solution>> Share tech request>> Seeking microfluidic technology for water quality analysis

water quality, microfluidic technology, pollution sources, lab on a chip, pollution detection

To source developed microfluidic technology for the detection of contaminants in water. We would anticipate to use this technology in a wide range of water applications. For this reason the technology would detect contaminants at drinking water limits in addition to higher limits eg surface waters.

Submit your solution>> Share tech request>> Seeking: Cheap, effective water treatment system to enable the use - re-use of dirty waste wate

dirty water, treatment, reuse,

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Seeking: Preventing growth of and removing microorganisms and biofilms from a potable water system

Submit your solution>> Share tech request>>
Seeking: Preventing growth of and removing microorganisms and biofilms from a potable water system

Submit your solution>> Share tech request>>
Seeking: microfluidic platform using reagent chemistry methodology or enzymes for the detection of faecal coliforms in drinking water

Submit your solution>> Share tech request>>
Seeking: chemical or biological compounds with optical properties depending on concentration of water quality parameters for quality control of fresh and waste water

Submit your solution>> Share tech request>>
Seeking microfluidic technology for water quality analysis

Submit your solution>> Share tech request>>
Seeking: Cheap, effective water treatment system to enable the use - re-use of dirty waste wate