A2WH.COM - Harvesting water from air

(AWG) Atmospheric Water Generator - a2wh.com (Air to Water Harvest)

info-@-correctenergysolutions.com 206-601-2985

Remove the dashes - to make email work

Prototype Advertisement for Retails Sales FAQ

Producing water where it is needed:

Imagine the ability to deliver safe drinking water in places where there is no power, no safe ground water, no available surface water and no viable rain capture. Imagine doing this where there isn't even any salt water or where the salt water is too contaminated to allow effective treatment.

Every day solar heat cycles 1,356 cubic kilometers (358 trillion gallons) of water through the atmosphere. A portion of this blows over land where our AWG units can capture it and turn it back into fresh, pure liquid water usable for drinking, cooking and crops. Our A2WH units can do this in the hottest deserts and in fact run best in hot sunny locations where water is needed the worst. We do not need rain, fog or any other form of precipitation.

Our A2WH design has few moving parts which are easily serviced and can use low grade heat from simple solar collectors. This systems unique design makes it environmentally friendly and suitable for cost effective scaling from small household models through industrial and institutional systems producing many million gallons per day.

Water

Water is essential for human life. We drink it and use it for our crops.   Water is already scarce and becoming ever more valuable. In fact the UN has predicted wars over access to fresh water. Shortages of water in California have already caused more than 100,000 acres of farmland to lie fallow as a result of the 2008 drought.

Over 70% of earths surface is covered with water but very little of this water is useful for humans to drink or grow crops.    97% of all water is saline contained in the oceans which leaves only 3% as freshwater.    70% of the freshwater is locked up in ice leaving 22% as ground water and surface water. Ultimately less than 1% .of the world total is represented in lakes, rivers and wetlands.

Adequate water is essential for economic and political growth and stability. Our technology is specifically designed to deliver water in locations where unsafe or insufficient water is available.   It was invented to allow continued development in areas where all other water sources have been exhausted or are fully allocated.

Ultimately we hope to see our water from air technology used to reverse desertification by providing sufficient water to establish green zones in the deserts. This will ultimately reduce food insecurity, reduce the risk of drought induced famine and reduce the poverty induced when people are forced to scavenge on a day to day basis just to obtain enough water to meet their basic needs.

Our difference from common market units.

We designed our units to operate entirely from solar energy. This is mostly solar heat with a small amount of solar electricity used to operate valves, sensors and the electronic control system. This allows our system to operate much more efficiently which is especially important in areas where electricity is expensive such as islands where electricity is generated using imported fuels.

Most AWG systems are built around a refrigeration system which is very similar to that used in small electric air conditioners. The best units consume 600 to over 3,000 watt hours per gallon of water they produce. The industry average trends show consumption over 2,2000 watt hours per gallon which rise rapidly as humidity drops.

A2WH functions with no external electricity. This saves 3,000 watts per gallon. Our novel design and control system allows it to efficiently extract water in a wide range of conditions including conditions where electric AWG units become inefficient or do not work at all.

NOTE: We recently received a letter from a man who has a 40 acre ranch in a remote part of Arizona. He purchased an electric refrigeration unit. After investing $29,000 in solar pannels and batteries his unit still doesn't work when the humidity drops below 48% RH.

Our units can reduce carbon emissions by over 5 pounds of carbon per gallon produced as compared to grid powered electric systems. (2.2 pounds carbon per KWh saved * 3000 watts per gallon = 6.4 pounds of carbon per gallon of water).   Even a small 6 gallon per day system this adds up to nearly 11,000 pounds reduced carbon emissions per year.

Our system uses solar thermal heat to harvest water from air even when the air has low humidity.   Unlike radiant condensation systems this system actually produces during the dry months even when there is no dew and it's production can go up in windy locations which can prevent radiant chilling systems from working at all.   Our technology can work in conditions where the dew point is far below the chilling level delivered by radiant chilling panels.

Our most important difference is the compatibility of the core design for scaling efficiently into millions of gallons per day at a reasonable cost. It's other major benefit is compatibility with remote areas where grid power is either unavailable or expensive.   In some areas our units can be installed in mountains outside of towns and provide both water pressure and electricity for the town. Rather than exaggerate summer power shortages our system can actually help reduce these shortages.

How does our A2WH unit work?

Most Air to water systems use refrigeration to chill air to the dew point that means that as the dew point drops the more the unit must do more work to sufficiently chill the air.

The A2WH system uses a desiccant to absorb moisture from the air.   The higher the humidity the more water our desiccant can absorb per pass which increases production.

We use solar heat to drive both the airflow for the absorption process and to provide heat during the regeneration process which extracts the moisture from the desiccant and allows us to capture the water in liquid form.

A sophisticated micro controller based sensor system determines when to switch between absorption and regeneration modes.   We use different types and amounts of desiccants depending on the local conditions to optimize the performance of the system.      A small Photo Voltaic solar panel provides power for the micro controller, sensors, various valves, etc.

We have an optional enhancement that uses wind energy (wind over 4.5 MPH) to drive circulation at night when the relative humidity is higher. To make this work best we increase the weight of the desiccant used in the system.   In some areas with good nightly wind this allows the unit to work in areas with daytime humidity as low as 10% We have optional enhancements which allow electric fans and heaters to augment or replace the solar heat.

The input air is filtered before it enters the absorption chamber where the desiccant absorbs water out of it. The air is re-filtered when heated for regeneration. A final stage of filtering is used as the air enters the condensation phase where the H2O is turned into liquid water. As a result the output water is very pure.   We still recommend treatment using a NSF 54 grade filter prior to consumption because we do not have any control over the cleanliness of the storage tank.

6 GGPD Characteristics:

Solar Thermal Air to Water AWG Atmospheric Water Generator
Produces 6 gallons per day when ambient is 70F @ 60% RH (Relative Humidity)
Operates entirely from renewable energy
20 sq foot, 6 foot tall, under 200 pounds
Includes heat and PV panels
Requires full solar exposure 8 hour sun day.
Estimated lifetime production 21,900 gallons in 10 years.
Technology can scale into the millions of gallons per day.

Market comparables

Larger systems are easier to build to take advantage of large scale efficiencies.

For example we can use 30 foot tall solar collectors in larger systems which can improve overall system efficiency. As a result the cost per gallon drops dramatically as system sizes increase.

Systems which are large enough to occupy an entire 8' X 20' trailer container unit are much cheaper for shipping.

Sizing

Liters per day	Gallons per day
100	26
1,000	264
10,000	2,642
100,000	26,417
1,000,000	264,172

Large scale unit have efficiency benefits so if you need 10,000 gallons per day we would build a system customized for that size and your location. Costs generally come down dramatically as scale goes up

Preliminary evaluation indicates total loaded costs under $0.02 per gallon can be achived with plants over 10 million gallons per day.

In ideal locations like mountains near Sydney Australia costs under $1,200 per acre foot could be possible for systems producing more than 50 million gallons per day.

Want to Help?

We can use a wide variety of help. Contact us and let us know how you wound like to be involved 206-601-2985 USA

Qualified investors who want to help bring a truly world changing technology to market.
Co-inventors willing to work for stock and or help defer development and testing costs are always appreciated..
Industry leaders who need water to locate factories in water scare areas.
Plastic Fab, Welders, Machinist, Electronics designers and many others.
Land developers who have land in mind which can not be developed due to lack of water. Work with us to prove our system as a water source. Most effective where additional of reliable water can increase the parcel value by more than $100K if only reliable water was available.
Partner with those looking to develop fallow land for high value water wise agriculture where no water is available or where the water has minerals such as Boron which are unhealthy for the plants.