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Topic: Deliquescent


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In the News (Sun 16 Jun 19)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
Deliquescent materials are thus an example of a hygroscopic material, where all hygroscopic materials may absorb moisture from the atmosphere, but deliquescent are further characterized by turning fluid when they absorb moisture.
In order to further enhance the ability of the composition comprising deliquescent material to retain a solid form even with the absorption of moisture, the composition preferably further includes a solid support, wherein a mixture of deliquescent material and organic polymer are distributed across a surface of the solid support.
Thus, both the deliquescent material and the polymer may be dissolved and/or dispersed in a suitable solvent, then the two mixtures combined and dried to moisture-loss stability.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/08784.010208&ELEMENT_SET=DECL   (5358 words)

  
 Basics of Design Engineering - Fluid Power Chapter 2 - Filters, Heat Exchangers, and Flow Sensors - Air dryers
Deliquescent dryers are simply large pressure vessels filled with a chemical having an affinity for water -- salt, urea, and calcium chloride are common.
As the compressed air passes through the vessel, the salt dissolves in the water vapor and drips to the bottom of the tank where it is drained.
Deliquescent air dryers are inexpensive and simple; however, they require that the salt be replenished regularly.
www.machinedesign.com /BDE/FLUID/bdefp2/bdefp2_2.html   (944 words)

  
 [No title]   (Site not responding. Last check: 2007-11-03)
Preferably the deliquescent agent is in contact with the membrane of the respective cavity, at least in the operative configuration.
The upper cavity 4 is entirely filled with calcium chloride, as deliquescent agent, such that substantially the entire surface of the membrane over the upper cavity is in contact with calcium chloride.
Water vapour passes through the membrane 20 and is absorbed by the deliquescent agent in the upper cavity 4.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=03/92863.031113&ELEMENT_SET=DECL   (2303 words)

  
 MaintenanceWorld.com: Drying Your Compressed Air System Will Save Real Money - Fluid Power Web
Deliquescent dryers contain a chemical desiccant which absorbs moisture contained in the air, whether the moisture has already condensed or is still a vapor.
Deliquescent dryers reduce the dew point of the air 15° to 25° F below the inlet air temperature.
If a deliquescent dryer is used in a central compressed-air system, bypass piping should be installed around the dryer to maintain air supply whenever the dryer is taken off line to add desiccant.
www.maintenanceworld.com /Articles/fpweb/dryingyour.html   (2307 words)

  
 Deliquesce and deliquescent and deliquescence and effloresce and carlyle and O w Holmes
Deliquesce and deliquescent and deliquescence and effloresce and carlyle and O w Holmes
Deliquesce has a scientific meaning, and a meaning in the study of gems--the process of crystal dissolution as a result of absorption of water.
The only question, however, is whether deliquesce is the right word to use, since it suggests that at one time the person may have had, to quote Holmes, more than six expressions.
www.willamette.edu /~blong/MoreWords/Deliquesce.html   (733 words)

  
 Deliquescent - Wikipedia, the free encyclopedia
Deliquescent materials are substances (mostly salts) which have a strong affinity for moisture and will absorb relatively large amount of water from the atmosphere if exposed to it, forming a liquid solution.
Deliquescent salts include calcium chloride, magnesium chloride, zinc chloride, and the strong base sodium hydroxide.
This page was last modified 19:48, 12 March 2006.
en.wikipedia.org /wiki/Deliquescent   (91 words)

  
 MFA - CAMEO - Material Description
A deliquescent material absorbs or releases water vapor to the atmosphere to maintain a constant vapor pressure of water at a given temperature.
For example, if a saturated aqueous solution of a deliquescent material has a lower water vapor pressure than that of the atmosphere, moisture will condense into the solution until the solution water vapor matches the atmospheric water vapor.
Some deliquescent materials are: concentrated sulfuric acid, glycerol, calcium chloride, sodium hydroxide pellets, anhydrous sodium sulfate and potassium carbonate.
www.mfa.org /_cameo/frontend/material_description.asp?name=Deliquescence&language=1   (118 words)

  
 Air Dryers - Refrigerated, Deliquescent and Compressed Air Dryers
Deliquescent Air Dryers are available in capacities from 48 to 5000 SCFM.
These dryers work by passing moist air (gas) over a bed of Deli - Dry deliquescent tablets which absorb moisture vapor from the air (gas), suppressing the pressure dew point by 20°F. As the tablets slowly dissolve, the condensation drops into the drain area, and drier air flows through the outlet into the system piping.
Deliquescent air dryers can be installed in virtually any location indoors or out, remote locations, mobile equipment or offshore.
www.chreed.com /air_dryers.htm   (500 words)

  
 Chapter Delineament <i>to</i> Delphin of D by Webster's Dictionary (1913 Edition)
Deliquescing.] [L. deliquescere to melt, dissolve; de- + liquescere to become fluid, melt, fr.
To dissolve gradually and become liquid by attracting and absorbing moisture from the air, as certain salts, acids, and alkalies.
The act of deliquescing or liquefying; process by which anything deliquesces; tendency to melt.
www.bibliomania.com /2/3/257/1195/22379/2.html   (211 words)

  
 The Economics of Air Drying-Part 2, Presented by Sahara Air Products
The deliquescent dryer is the simplest and easiest dryer to own and operate and will be the best choice for many compressed air applications.
The deliquescent dryer is a pressure vessel, which is filled with a hygroscopic desiccant.
This desiccant deliquesces, that is, it draws water vapor out of the air and in so doing slowly dissolves.
www.saharahenderson.com /046-2.htm   (469 words)

  
 Deliquescent Dryers:   (Site not responding. Last check: 2007-11-03)
A deliquescent dryer is an air receiver with an additional access hole at the top and an additional drain at the bottom.
It is not very forgiving when temperatures fluctuate between +30 deg C and -10 deg C and there is the additional on-cost for the deliquescent pellets.
Unfortunately common salt turns to a mush fairly quickly, for this reason the tablets used in deliquescent dryers is compacted to a high degree.
www.cashflo.co.uk /Deliquescent-dryer.html   (368 words)

  
 Deliquescent Desiccant or Deliquescent Briquettes   (Site not responding. Last check: 2007-11-03)
Deliquescent briquettes are all pure active ingredients for longer and more effective drying.
DQ11 deliquescent consumption is proportional to moisture load of air and system performance; for example, aftercoolers, separators, filters and automatic drain valves.
DQ11 deliquescent provides deliquescent dryer air for a longer period of time by improving flow efficiency.
www.ecompressedair.com /desiccant/deliquescentdesiccant.shtml   (272 words)

  
 SG America :   (Site not responding. Last check: 2007-11-03)
Absorption is distinguished from adsorption in which one substance is attracted to, held on the surface of another substance and then stored internally until ambient vapor pressure is reduced.
The cause of the breakdown may be due to mechanical agitation, thermal cycling or chemical action such as ion exchange or deliquescent properties.
White deliquescent crystals that are very soluble in water and alcohol.
www.sgamerica.com /glossary.htm   (3833 words)

  
 Deliquescent Dryers   (Site not responding. Last check: 2007-11-03)
No electricity is needed for deliquescent dryer operation, the power is in the desiccant.
Van Air Freedom deliquescent dryers also have the lowest initial and operating cost of all air dryer types providing a fast return on your investment and long-term value for your money.
Specially formulated for the longest life our deliquescent is non-toxic, non-polluting and adds no harmful acidity to the drain solution.
www.ecompressedair.com /dedryers.shtml   (476 words)

  
 Pioneer's Super Deliquescent Dryers - SD Series
Super Deliquescent Dryers are the only deliquescent dryers capable of suppressing, or reducing, compressed air dew points by up to 70 Deg.
As a practical way to demonstrate the properties which comprise Veri-Dri 40 Plus, Pioneer’s deliquescent desiccant, a performance test was conducted during the 1990 PIONEER Sales Meeting.
A Super Deliquescent Dryer can be added to your existing after cooler or refrigerant dryer.
www.pioneerair.com /sdseries.htm   (1165 words)

  
 80-1317: D12 Van Air Freedom Deliquescent Dryer (100 SCFM) - Detail
Van Air Freedom deliquescent dryers also have the lowest initial and operating cost of all dryer types providing a fast return on your investment and long-term value for your money.
With the freedom dryer, you’re free from the concerns and regulations of refrigerant usage.
Rather than relying on a cooling process, the Freedom dryer uses deliquescent for moisture removal.
store.ecompressedair.com /detail.aspx?ID=3848   (453 words)

  
 Compressed Air Encyclopedia -- Pneumatic Manufacturer Directory @ Pneumatic-Source.com   (Site not responding. Last check: 2007-11-03)
Moist air is introduced into the bottom of the tank and exits through the tank output at the top.
As the moist air flows over and around the tablets, they absorb the moisture within the air creating a liquid solution of water and deliquescent chemical that must be disposed of periodically.
Deliquescent dryers reduce the dewpoint or the incoming air by approximately 15 to 25°F. Improved desiccants can increase the drying capacity of the deliquescent dryer.
www.pneumatic-source.com /compressed_air/index.php?p=28   (129 words)

  
 The Economics of Air Drying-Part 1, Presented by Sahara Air Products
There are three basic types of compressed air dryers: deliquescent, refrigerant, and regenerative.
If your air is used indoors for general shop air and does not encounter any special conditions, the dewpoint from a deliquescent or refrigerant dryer should be adequate.
The temperature does not affect the sizing of the deliquescent dryer; however, it does have a considerable impact on performance.
www.saharahenderson.com /046-1.htm   (1039 words)

  
 NITRATINE OR SODA NITER (Sodium Nitrate)
Nitrates are not all that commonly found due to their general ease in dissolving in water.
Nitratine is deliquescent and is very soluble in water and thus care should be taken to preserve valuable specimens in air tight containers with desiccant.
Nitratine is similar to its rarer cousin niter but is deliquescent and gives a different result in a flame test.
mineral.galleries.com /minerals/carbonat/nitratin/nitratin.htm   (590 words)

  
 Deliquescent Drugs   (Site not responding. Last check: 2007-11-03)
Some API's are extremely sensitive to moisture in the environment to such an extent that if left in contact with moist air for even short periods of time, crystalline materials turn into problematical paste or even liquids.
A good example of this type of deliquescent material is Sodium Valproate.
Typically, the Pharmaceutical industry has sought to control this effect by using very tight environmental controls in their manufacturing and formulation areas.
www.rohmhaas.com /ionexchange/Pharmaceuticals/deliquescence.htm   (189 words)

  
 Parts Services International - Desiccant and Adsorbents
PSI molecular sieves are often used as a polishing layer for dewpoints to -120°F
PSI DQ11 briquettes incorporate the latest improvements in deliquescents dehydration.
Competitive deliquescent tablets are chemically incapable of attracting an equivalent volume of moisture.
www.psiparts.com /products_desiccants.html   (662 words)

  
 POTASSIUM HYDROXIDE (CAUSTIC POTASH)
Potassium Hydroxide, commonly called caustic potash with formula KOH, is a caustic compound of strong alkaline chemical dissolving readily in water, giving off much heat and forming a caustic solution.
It is a white deliquescent solid in the form of pellets obtained by concentration of purified electrolytic potassium hydroxide solution with very low chloride content.
It reacts violently with acid and is corrosive in moist air toward metals such as zinc, aluminium, tin and lead forming a combustible, explosive gas.
www.chemicalland21.com /arokorhi/industrialchem/inorganic/KOH.htm   (249 words)

  
 California Fungi: Coprinus friesii
Coprinus friesii, is a small, grass-inhabiting mushroom recognized in youth by an obtuse-conic, striate, often radially torn cap.
Remnants of a universal veil in the form of pallid flat scales decorate the cap, which in age becomes upturned and slightly deliquescent.
The former is a larger, brownish, convex-capped, non-deliquescent mushroom with a decurved, non-revolute margin, while Agrocybe pediades is a small, cream to tan-brown mushroom, the cap convex to plane, and like Panaeolus foenisecii, does not deliquesce.
www.mykoweb.com /CAF/species/Coprinus_friesii.html   (271 words)

  
 Natural Formulations
- Water rinsible Deliquescent Oils contain only premium, cold pressed oils blended to be the paragon of massage oils.
They use naturally based coconut and palm kernel oil based emollients to make them rinse off with water, no soap is needed.
Finishes with a satiny smooth feel, never greasy or oily, making it perfect for office visits.
www.natural-formulations.com /Products/DeliOils/DelOils.htm   (180 words)

  
 Total height of a single tree
Most conifers and many young trees are in this group.
Trees with a spreading or rounded crown without a clearly defined tip have a deliquescent habit.
To locate the tip of a deliquescent tree, extend a line along the axis of the bole until it is judged to meet the crown surface.
sres.anu.edu.au /associated/mensuration/totalhgt.htm   (357 words)

  
 Single Tower Deliquescent Dryers
Van Air Systems single tower deliquescent dryers are the simplest, least expensive way to eliminate condensation in compressed air lines
Single tower deliquescent dryers prevent moisture contamination by suppressing the pressure dew point by 20 deg.
F or more at inlet air temperatures of 100 deg.
www.airvacuumprocess.com /single.htm   (77 words)

  
 TEC44 Motorised Ballvalve
THE JORC-TEC 44 MOTORISED BALL VALVE FOR DELIQUESCENT DRYERS AND HIGHLY CONTAMINATED COMPRESSED AIR SYSTEMS.
The JORC-TEC44 MBV will successfully remove condensate from deliquescent dryers, tanks, vessels and refrigerated dryers.
The JORC-TEC 44 is designed to remove high viscosity effluents at pressure ratings up to 600 psi.
www.jorc.com /ustec44.htm   (278 words)

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