Showing posts with label Heater. Show all posts
Showing posts with label Heater. Show all posts

Friday, November 18, 2011

Absorption And Adsorption

Absorption And Adsorption Video Clips.





Check us out at www.tutorvista.com Adsorption is the adhesion of molecules of gas, liquid, or dissolved solids to a surface. This process creates a film of the adsorbate (the molecules or atoms being accumulated) on the surface of the adsorbent. It differs from absorption, in which a fluid permeates or is dissolved by a liquid or solid. The term sorption encompasses both processes, while desorption is the reverse of adsorption. Similar to surface tension, adsorption is a consequence of surface energy. In a bulk material, all the bonding requirements (be they ionic, covalent, or metallic) of the constituent atoms of the material are filled by other atoms in the material. However, atoms on the surface of the adsorbent are not wholly surrounded by other adsorbent atoms and therefore can attract adsorbates. The exact nature of the bonding depends on the details of the species involved, but the adsorption process is generally classified as physisorption (characteristic of weak van der Waals forces) or chemisorption (characteristic of covalent bonding). Adsorption is present in many natural physical, biological, and chemical systems, and is widely used in industrial applications such as activated charcoal, capturing and using waste heat to provide cold water for air conditioning and other process requirements (adsorption chillers), synthetic resins, increase storage capacity of carbide-derived carbons for tunable nanoporous carbon, and water purification. Adsorption, ion ...

Keywords: Absorption, And, Adsorption

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Monday, October 24, 2011

Plumbing & HVAC Maintenance : How to Clean Out a Gas Hot Water Heater

Plumbing & HVAC Maintenance : How to Clean Out a Gas Hot Water Heater Video Clips.





In order to clean out a gas water heater, the device will have to be drained to get rid of buildup and sediment. Discover how to use the drain valve on a gas hot water heater with help from a plumber and HVAC tech in this free video on gas hot water heaters. Expert: Shawn Kenny Bio: Shawn Kenny is a licensed plumber and the lead HVAC tech with his family business, Westfall Plumbing & Heating. Filmmaker: Dan Kenny

Keywords: plumbing, heating, cooling, water, heaters, gas, furnaces, hot, fixtures, air, conditioning, conditioners, plumbers, HVAC, climate, control

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Saturday, September 17, 2011

Water Filters - Which system provides clean drinking water?

Water Filters - Which system provides clean drinking water?

Water Filter

The municipal system of drinking water is polluted and contaminated with hundreds of dangerous and toxic substances, the problem of impure, unsafe and polluted water at an alarming rate. Worldwide, over 1 billion people lack access to safe drinking water, a number that is only the obligation to increase the pressure on the environment and water pollution is increasing.

Impure and polluted water

The reason for this alarming development is that the U.S. has a boomPopulation, which requires clean water - but it pollutes the environment with an ever-increasing rate. We produce the most dangerous microorganisms and pollutants that oppose our work and cleaning at the same time have more people with fragile immune systems are vulnerable to these contaminants.

After an article in the Houston series ("tap water at risk"), about 900 people die in the U.S. by contaminated drinking water a year. In addition, about 940 000 people fall ill or worseof contaminated water per year. Few years, a survey conducted by the Environmental Working Group in 29 cities in the Midwest to the conclusion that were found in 28 of these pesticides in their tap water treated.

Chemicals added to the water supply

Chlorine, a chemical that is through the municipal water system is given "clean" and disinfect the water, known to cause serious health problems. When chlorine reacts with organic substances in water frequently (such as humus or algae) Trihalomethanes(THMs) are formed (the most common THM is chloroform is produced by this process). Chloroform is a by-product of chlorination, and is a known carcinogen and causes normal cells to mutate, excessive free radical formation (accelerated aging), and cholesterol to oxidize. Studies have shown that THM is brought directly to an increased risk of several cancers, leading to birth defects or even miscarriage.

Chlorine and its impact on health

But do not just drink tap waterWater we put health risks, even in the shower and bathroom. Documented scientific studies conclude that taking a long shower (with chlorinated water) can be a health risk. Our bodies can take more chlorine than the result of a 10-minute shower that if you drank eight glasses of water itself. A warm shower opens the pores of the skin and causes the skin to act like a sponge.

As a result, the chlorine evaporates and is inhaled and absorbed through the skin, directly into the bloodstream - aRate, up to ten times higher than drinking water. In the short term, chlorinated water irritates sinuses, throat, skin and lungs; long-term risks include hardening of the arteries, increased susceptibility to genetic mutations, and difficulty in metabolizing cholesterol.

Which provides water filtration system clean drinking water?

The most effective way to remove contaminants (and especially concentrated chemicals such as chlorine) from treated municipal water is a combination of granularActivated carbon (GAC) and KDF process media filters, as presented in the system SimplyPure.

KDF ® are high-purity, granulated copper and zinc-based alloys that treat water through a process on the principle of "Redox" is based (redox). KDF ® is a unique combination of copper and zinc to generate an electrochemical reaction. In this reaction, harmful contaminants into harmless components (to be changed, for example, chlorine is transformed into a benign,water-soluble chloride, which is then carried harmlessly through the provision of water). In this manner, chloramines, bacteria, mercury, fungi, molds, algae, iron, hydrogen sulfide, scale and micro-organisms are also removed. Similarly, some heavy metals react as copper, lead, mercury and other plate on the surface of the substrate and so it is actually removed from the water supply.

Granular activated carbon (GAC) is a charcoal purification media which is treated with oxygen opensMillions of tiny pores between the carbon atoms. The activated carbon adsorbs the means to attack by attraction, and chemical contaminants. It is the huge surface area of ​​activated carbon that numerous binding sites. If chemicals pass next to the carbon surface, bind to the surface and are trapped (activated carbon is a good capture of other pollutants, carbon-based, "organic" chemicals and chlorine).

Simply integer Pure Water Purification & Filtration System Home

SimplyPure combines the kinetic degradation fluxion technologies KDF 85, KDF 55, KDF KDF F and C and granular activated carbon, and oxygen (GAC), the media, effects distinct layers and embedded applications for maximum exposure and water purification (influence also minimizes the water pressure) and water quality. The capacity for processing and filtering of this kind in the home water treatment system is more effective in terms of contaminating water filter removes otherSystems such as reverse osmosis or distillation systems.

Many water systems or water backwash filter strip of healthy minerals and put dirty water back into the environment. SimplyPure allows maximum exposure to water and little or no influence on the affect the water pressure, water clean and pure to release clean water back into the environment.

Simply pure water purification whole house system is designed to last a lifetime and offers up to 99% cleaning process. Thecan be installed quickly and professionally, it is easy to change themselves and filter is easy to maintain. All hydraulic components are class, there are no moving parts, and is not electric. It provides fresh, clean water from every tap, not just one, and is convenient for families, restaurants, cafes, bars and factories.

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