I recently became acquainted with a new technology that is truely amazing – producing water from the air. I’d like to share more about that.
The extraction of air humidity as alternative water source is a solution that was primitively used since biblical times . In the last 15 years several attempts were invested using modern technologies for this process, but none was able to operate reliably over an extended period of time at acceptable costs.
The ideal solution is to affordably produce plenty of H2O (pure water). And voila – it is now possible to get large amounts of drinking-grade water in places where water is limited or unavailable with minimal environmental impacts and at a reasonable price! This goal is achieved using an innovative patented technology from the Israeli company EWA Technologies Ltd., to obtain atmospheric water in most climatic conditions, air quality, time and place.
The EWA technology provides humanity with a new water source, which could easily answer necessities almost everywhere on the globe. The EWA technology can be considered as a rain substitute – without its erratic unavailability.
Some facts about water in the air
There is more than enough water in the air. The air volume of a big room (75-100 cubic meters) contains almost two liters of water. In atmospheric terms, a volume of 1 cubic km contains 10,000 to 40,000 cubic meter of water – enough to supply water for thousands of families.
The EWA 3rd generation technology
EWA-III is a reliable product for water supply, incorporating a novel breakthrough and cost effective processes to supply remarkable quantities of water from the atmosphere. Leaving behind the traditional condensation concepts that were used so far to extract water from air, EWA-III utilizes a multi-stage, dry, chemically based concept that is unaffected by air pollution and suits most climatic conditions. EWA-III also breaks the cost barriers of equivalent technologies thanks to sophisticated heat exchange and energy management, to the point of generating carbon credits.
Practically, only the power consumed by the blowers and some incremental heat is needed, since EWA-III reuses 90% of the energy through heat transfers and innovative optimization. In biomass terms, the basic EWA-III/10 model consumes 5kg of biomass (or 5 litres of diesel fuel) to produce 1,000 litres of fresh water. The energetic efficiency increases upon scaling up to higher capacity models, reducing the cost to $0.50 per 1,000 litres of water at the efficient end.
The environmental impact
Water desalination technologies produce waste that negatively impact the environment, and generate carbon emission debits. The new technology requires moderate heat energy, can use natural and/or residual heat sources, and a little electricity. It does not use chemicals and does not produce any wastes or residues. Moreover, upon consuming heat energy from renewable energy sources, it actually produces carbon credits. Furthermore, this creates new fresh liquid water (transformation process) that is added to the water cycle.
In his paper about the combat against desertification , Professor Marc Bied-Charreton describes the causes and effects of desertification, and highlights the point that modifications of vegetation and land conditions have an impact on the climate; that soil denudation increases evaporation and reduces water storage; and that the increase of barren land areas has also an impact on the production/suspension of aerosols, contributing to climate mechanisms alterations. With enough water to develop vegetation in desert areas, desertification could be reversed and the effects of climate change mitigated.
The Rural Concept developed by EWA addresses the water – vegetation – waste – energy cycle, and makes use of agricultural wastes as an energy source for EWA’s water apparatus. EWA’s water apparatuses are able to utilize all types of energy, but mainly use moderate heat (a small amount of electricity is required to blow the air through the absorption chamber). Agricultural wastes are composed of organic matter that enables to produce heat without causing air pollution.
By using agriculture/municipal organic wastes to produce energy, it is possible to supply water for both domestic and agricultural purposes at a significantly lower cost than alternative water sources.
A new way to gain awareness through Gartner’s MQs?
November 6, 2009 · Leave a Comment
I just read in Network World about a law suit by ZL Technologies against Gartner, concerning ZL’s placement by Gartner as niche player in an MQ report. The law suit was dismissed by the judge on all accounts, but he gave ZL 30 days to come up with more arguments – an opportunity which, they announced, they were going to take advantage of.
I asked myself what might be the motivation for a company, of which I have so far never heard of, to engage in a legal battle that it has very probably no chance of winning? And on the ground that they objectively rate a better positioning in the report? Why go through the cost and hassle? Unless, the exposure obtained via this method of communication is much more cost effective than other exposure alternatives…
Indeed, I doubt that they would have gotten this kind of exposure in NetworkWorld and Google as a result of their mere Gartner MQ presence. And what if they would invest in sponsoring one of Gartner’s relevant events? I did that a few times at great expense, but did not rate a Google alert and NetworkWorld coverage. What if this law suit costs significantly less than alternative ways of achieving Gartner related visibility? In such a case it would pay further dividends to go for another round in the court and get another round of media attention.
Even though the business climate remains challenging, I sincerely hope that this phenomenon remains an exception and that companies focus on bringing more added value with their offerings rather than try to gain advantage by picking upon distortions and weak spots in our system.
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