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Topic: Aerated


In the News (Mon 21 Dec 09)

  
  Aerated Waters - LoveToKnow 1911
Many of the ordinary aerated waters of commerce, however, do not pretend to reproduce any known natural water; they are merely beverages owing their popularity to their effervescing properties and the flavour imparted by a small quantity of some salt such as sodium bicarbonate or a little fruit syrup.
In another arrangement the gas is supplied compressed in little steel capsules, and is liberated into a bottle containing the water which has to be aerated.
Aerated waters are sent out from the factories either in siphons or in bottles; the latter may be closed by corks, or by screw-stoppers or by internal stoppers consisting of a valve, such as a glass ball, held up against an indiarubber ring in the neck by the pressure of the gas.
www.1911encyclopedia.org /Aerated_Waters   (571 words)

  
 ISMA - Aerated lagoons for waste water treatement
Aerated lagoons for municipal waste water are designed according to the volume load and the retention time.
In the case the first aerated lagoon is designed as a storm-water tank to retain the first amount of discharge storm-water, the storm-water overflow in front of the pond overflow will go into operation.
Aerated lagoons are a complete and low-priced system to the mechanic-biological purification of waste water of small communities.
perso.orange.fr /isma/en_lagunage-documentation.html   (1823 words)

  
 Aerated Static Pile Composting | Composting | US EPA
In aerated static pile composting, organic waste is mixed together in one large pile instead of rows.
To aerate the pile, layers of loosely piled bulking agents (e.g., wood chips, shredded newspaper) are added so that air can pass from the bottom to the top of the pile.
Aerated static piles are suitable for a relatively homogenous mix of organic waste and work well for larger quantity generators of yard trimmings and compostable municipal solid waste (e.g., food scraps, paper products), which might include local governments, landscapers, or farms.
www.epa.gov /epaoswer/non-hw/composting/static.htm   (365 words)

  
 Nitrification - aerated lagoons
Therefore, for aerated lagoons to be considered as viable processes for nitrification, the lagoon process must be modified so that the solids age is uncoupled from the hydraulic retention time (HTR).
The first cell is aerated continuously, whereas the second cell is aerated intermittently in a controlled cycle that includes sedimentation and supernatant decant.
The Cramer lagoon initially was a dual-power, multicellular aerated lagoon system consisting of a separate reactor basin followed by a sludge basin divided into three cells in series.
www.lagoonsonline.com /technote7.htm   (1082 words)

  
 Biological aerated filters - Patent 5800709
A process for treating fluid in a biological aerated filter, comprising passing the fluid serially through superposed upper and lower filter beds, the lower filter bed comprising aerated media and the upper filter bed being substantially anoxic, wherein oxygen is prevented from moving from the lower bed to the upper bed.
Apparatus for biological aerated filter treatment of fluids, comprising superposed upper and lower filter beds, the lower filter bed comprising aerated media and the upper filter bed being substantially anoxic, the apparatus further comprising separator means for preventing oxygen from the aerated media from passing to the anoxic media.
In a prior biological aerated flooded filter, there is a packed bed comprising small granular media sized typically between 2 and 6 mm, the depth of the packed media bed being typically 1.5 to 2.5 meters.
www.freepatentsonline.com /5800709.html   (2498 words)

  
 Aerated Concrete, Lightweight Concrete, Cellular Concrete and Foamed Concrete
Aerated Lightweight Concrete has been on the market since the early 70's and there is a host of chemical manufacturers who claim to have the right formulation to produce aerated concrete.
The LITEBUILT® Aerated Lightweight Concrete process is based on the principle of entrapping a multitude of air bubbles in the concrete mix, who retain their structure during the curing period.
LITEBUILT® Aerated Lightweight Concrete is often specified for use as a lightweight filling material, or used to provide graded insulation on roof projects beneath waterproofing membranes.
www.litebuilt.com /geninfo-in.html   (1383 words)

  
 Aerated frozen product - Patent 6726949
An aerated frozen product comprising less than 8% fat by weight and characterized in that the aerated frozen product comprises fat platelets, and after it has been melted and cooled, comprises fat platelets and spherical fat globules at a platelet to sphere ratio of greater than 0.02.
Also it is preferred that the fat and emulsifier and other additives which are to be included in the oil-water interface are chosen such that the interfacial tension of the oil-water interface present in the pre-mix is low enough to allow for the transition from sphere to platelet.
Stabilisers are typically present in aerated frozen products although it is noted in particular that the stabilising effects of the fat platelets may allow for stabiliser replacement in a number of frozen aerated product applications.
www.freepatentsonline.com /6726949.html   (7038 words)

  
 Aerated Lagoon Technology
This manual addresses the design, operation, and regulatory control of municipally operated partial mix aerated lagoons and stabilization ponds and is intended to be a tool for operators, engineers and regulators.
Aerated lagoon technology, especially that of high-performance systems, is one of the most misunderstood technology in wastewater treatment.
Microorganisms found in aerated and facultative ponds are more diverse than those observed in many other biological treatment processes, due to the diverse growth environments present.
www.lagoonsonline.com /sitemap.htm   (2161 words)

  
 What are the Benefits of Aerated Compost Teas vs. Classic Teas? -
Aerated compost teas are the latest in scientific organic research today.
Aerated teas can also be used to greatly speed up the decomposition process of hot compost piles.
These homemade aerated compost teas are just as powerful, maybe more powerful, than any commercial natural or organic fertilizer or soil amendment on the market today.
faq.gardenweb.com /faq/lists/organic/2002082739009975.html   (1970 words)

  
 FlexCrete Fiber Reinforced Aerated Concrete
In contrast with other forms of aerated concrete, because of the unique physical properties of fly ash, FlexCrete is cured at low temperatures and ambient pressure, thus eliminating the use of energy intensive autoclaves.
But traditional aerated concrete is expensive because it is cured in high temperature, high pressure autoclaves.
FlexCrete is an aerated concrete that is cured at lower temperatures and ambient pressure—eliminating the need for an energy intensive autoclave.
www.flex-crete.com   (285 words)

  
 Anyone use an aerated pipe in center of pile? - Soil Forum - GardenWeb   (Site not responding. Last check: 2007-09-17)
Aerating and keeping a pile moist has been discussed quite a bit in various threads on here.
It does an excellent job of grinding, aerating, and mixing the pile while at the same time allowing you to see about the moisture content, and hastens the composting process.
A key in doing this, is to wait until the pile has gone thru a heat cycle and begun breaking things down a little so that they do not tangle up in the tines like just a bunch of dry leaves would.
forums2.gardenweb.com /forums/load/soil/msg1109000817818.html?8   (2798 words)

  
 Aerated Lagoon
Aerated Lagoon : A holding and/or treatment pond that speeds up the natural process of biological decomposition of organic waste by stimulating the growth and activity of bacteria that degrade organic waste.
Bacterial diversity and community structure in an aerated lagoon...
...ethylenediaminetetraacetic acid by mictobial populations from an aerated lagoon.
www.mongabay.com /reference/environment/Aerated_Lagoon.html   (241 words)

  
 Polymer Technologies Pte Ltd Singapore - Aerated Concretes
Aerated concrete is produced using a mixer of cement, sand, water and a foaming agent that when passes through an aerator, create foam of uniform size and quality throughout the matrix.
The density of aerated concrete can be from 300kg/m3~ 2100kg/m3 depending on the design mix.
The basic machinery required to produce aerated concrete would be an aerator, a mixer and a pump to pump aerated concrete to floors above.
www.polymertec.com /ac.html   (119 words)

  
 Lagoons
Facultative lagoons, both aerated and non-aerated, are the most common and are considered here.
Power requirements vary depending on climate, degree of aeration desired, flow, etc. It is estimated here for a typical case to simplify calculation.
The example calculations present costs for one aerated lagoon servicing 30 homes, assuming four average miles per service trip.
www.purdue.edu /dp/envirosoft/decent/src/lagoons.htm   (323 words)

  
 West Michigan Aerated Concrete Building Products Plant Set to Open
During the production of aerated concrete, chemical reactions in the curing concrete create microscopic bubbles that make it lighter than traditional ready-mix concrete.
The aerated mixture is poured into molds to make blocks and wall and roof panels for residential, commercial, and light industrial construction.
"The aerated concrete products are state-of-the-art construction materials and as demand grows, this plant can expand to use up to 100,000 tons of fly ash a year," says Greg Northrup, the utility's director of economic development.
rockproducts.com /news/rock_west_michigan_aerated/index.html   (238 words)

  
 AACS,Inc. Autoclaved Aerated Concrete Systems
New York, NY - March 23, 2001 - Autoclaved Aerated Concrete Systems, Inc. is proud to announce that New York City has approved the use of Autoclaved Aerated Concrete (AAC) blocks and panels in building construction projects.
Autoclaved Aerated Concrete is a mixture of portland cement, quicklime, sand, water and aluminum powder.
The chemical interaction of these "aerated" natural materials creates a porous, closed cell masonry material, which reaches full strength in less than twenty-four hours and is roughly one-third the weight of stone concrete.
www.aacsinc.com /NEWS.htm   (257 words)

  
 Your Home Technical Manual - 3.4b Construction Systems Aerated Concrete Block
Autoclaved Aerated Concrete (often shortened to 'AAC') is effectively concrete with lots of bubbles in it.
It is lightweight and energy efficient and is produced by adding a foaming agent to concrete and 'cooking' it with steam (autoclaving), after which blocks or slabs are wire cut from the resulting 'cake'.
The use of AAC in Australia is not yet widespread but aerated concrete blocks have been used in Europe for more than 50 years.
www.greenhouse.gov.au /yourhome/technical/fs34b.htm   (1993 words)

  
 Hebel Aerated Concrete Block   (Site not responding. Last check: 2007-09-17)
Aerated concrete blocks have been used in Europe for more than 50 years.
Like typical concrete blocks, aerated concrete is strong, fire resistant and good sound insulation.
Aerated concrete was brought to the U.S. about a year ago by Hebel Southeast, a German company with offices in Atlanta, Georgia.
oikos.com /esb/37/hebel.html   (217 words)

  
 O2Compost -- Training Program   (Site not responding. Last check: 2007-09-17)
Our objective is to help you set up and operate an aerated composting system that effectively controls the composting process and becomes an integrated part of your waste management program.
In addition, the larger Aerated Bay and Aerated Pile systems generally require a much closer working relationship and a somewhat greater need for technical support.
Please call us for a quote on an aerated compost system that is perfectly suited to your farm.
www.o2compost.com /Training.htm   (818 words)

  
 Aerated concrete facility rises from the fly ash
Aerated concrete facility rises from the fly ash
Approximately 200 people, including dignitaries from the Navajo Nation and several state and local officials, attended the dedication ceremony of FlexCrete's first commercial manufacturing facility and the largest aerated-concrete plant in the country using an ash-based mix.
In March 2003, Sen. Orrin Hatch (R-Utah) and Joe Shirley, president of the Navajo Nation, teamed up for a luncheon timed to coincide with the commercial launch of FlexCrete and commencement of the joint venture between ISG Resources and the NHA.
concreteproducts.com /mag/concrete_aerated_concrete_facility/index.html   (606 words)

  
 Composting Horse Manure in Static Windrows: Passively Aerated Windrow Method
Form the passively aerated windrow up to 4 feet tall and then add a 6-inch layer of finished compost to the outside.
This holds in moisture and heat and doesn’t diminish the quality of the finished compost once it is mixed together.
It takes at least three months for a passively aerated windrow to finish composting and one more month to cure.
www.ext.colostate.edu /pubs/livestk/01226.html   (1275 words)

  
 7-II/B-2 AERATED STATIC PILE COMPOSTING
Aerated static pile composting is a process that biodegrades organic material and destroys pathogens, producing a stabilized compost product that can be used as mulch, soil conditioner, or a soil amendment.
Aerated static pile composting can be used to compost yard waste, food, paper, municipal solid waste, and sewage sludge.
In addition, the fans used to aerate the piles will increase electricity consumption.
p2library.nfesc.navy.mil /P2_Opportunity_Handbook/7_II_B_2.html   (1033 words)

  
 O2Compost -- Compost Systems & Training
This web site introduces the basic concepts of aerated composting and provides numerous examples of systems installed throughout the USA, Canada and abroad.
Aerated composting can be easily accomplished on all scales, with systems ranging from a few cubic yards to tens of thousands of cubic yards.
With proper design and systematic operation, aerated composting mitigates adverse impacts to surface water, ground water and air quality, and can significantly reduce the time and expense of current “waste disposal” practices.
www.o2compost.com   (401 words)

  
 Imperia Bros: Autoclaved Aerated Concrete   (Site not responding. Last check: 2007-09-17)
Autoclaved Aerated Concrete (A.A.C.) is a building material which consists of a number of sized elements that form a complete building system.
Autoclaved Aerated Concrete consists of basic materials that are widely available.
The reaction between the expansion agent and other components used in A.A.C. causes the slurry to expand (rise) in the mold and form a "cake." After several hours, the mold is stripped away and the "cake" is wire-cut into aerated concrete elements of high dimensional accuracy.
www.imperiabros.com /AAC.htm   (1296 words)

  
 Aerated Sewage Systems - Disinfection Information
Aerated Sewage and Pumping Systems manufacture their own chlorinator which is cost effective as well as being economical to use.
The down side is the use of chlorine which is corrosive and has special handling requirements.
Aerated Sewage and Pumping Systems have recently been appointed as a major distributor by Dengcorp Pty.
www.aerated.com.au /products_disinfection.htm   (479 words)

  
 Aerated Reactors   (Site not responding. Last check: 2007-09-17)
Aquapoint’s Submerged Aerated Reactor (SAR) is designed to treat high strength wastewater prior to secondary treatment.
Media blocks are submerged in the basin providing a material on which bacteria can grow and begin to consume organic matter.
Submerged Aerated Reactors are ideal for commercial applications such as restaurants and supermarkets where influent organic concentrations are high.
www.aquapoint.com /html/aerated_reactors.html   (199 words)

  
 Concrete Homes - Autoclaved Aerated Concrete
Technically, Autoclaved Aerated Concrete (AAC) systems consist of blocks held together by mortar.
AAC is made with all fine aggregates, nothing more coarse than a grain of sand, cement and a natural expansion agent that causes the concrete to rise like bread dough, with countless small air pockets.
The Autoclaved Aerated Concrete Products Association mission is to nurture and champion the autoclaved aerated concrete (AAC) industry, by creating and maintaining a dynamic network bringing together resources, knowledge, and innovation.
www.cement.org /homes/ch_bs_autoclaved.asp   (292 words)

  
 Aerated Windrow Composting | Composting | US EPA
Organic waste is formed into rows of long piles called "windrows" and aerated by turning the pile periodically by either manual or mechanical means.
The ideal pile height, which is between 4 and 8 feet, allows for a pile large enough to generate sufficient heat and maintain temperatures, yet small enough to allow oxygen to flow to the windrow's core.
Alternatively, local governments can make the compost available to residents for a low or no cost.
www.epa.gov /epaoswer/non-hw/composting/windrow.htm   (387 words)

  
 Accurate liquid phase density on aerated liquids
Coupling entrained gas volume fraction monitor with most types of process density meters, enables accurate determination of liquid and the liquid-solid components of aerated mixtures.
As this White Paper points out, despite efforts to minimize levels of entrained gases, the presence of small, but unknown and variable amounts of entrained gases continue to confound accurate process fluid density measurement in a wide range of industrial applications.
Mixture density, when combined with a SONAR-based gas volume fraction measurement provides a practical method to provide accurate measurement of the non-aerated component of aerated mixtures, eliminating the often-impractical requirement to completely eliminate entrained gases to extract compositional information from density measurements.
www.controlglobal.com /whitepapers/2005/46.html   (278 words)

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