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*** New & Fresh 4a Molecular Sieve Dessicant 2 pounds sealed bag UOP ***, US $99 – Picture 0
*** New & Fresh 4a Molecular Sieve Dessicant 2 pounds sealed bag UOP ***, US $99 – Picture 0

*** New & Fresh 4a Molecular Sieve Dessicant 2 Pounds Sealed Bag Uop ***

US $99

  • Indianapolis, Indiana, United States
  • Jun 9th
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Removes water and contaminates from wine & distillates   1 new 2 pound bag sealed bag of UOP (divison of Honeywell catalysts) 4 angstrom molecular sieve, this is the 1/16" dia cylindrical pellet form. In biodiesel manufacture this compound can aid in a 2 stage continuous process (acid esterfication/base transesterfication) to take the acid phase all of the way to completion by removing the water produced in process.. Type 4A Composition 1 Na2O: 1 Al2O3: 2.0 ± 0.1 SiO2 : x H2O Description This sodium form represents the type A family of molecular sieves. Effective pore opening is 4A, thus excluding molecules of effective diameter >4A, e.g., propane. Major Applications Preferred for static dehydration in closed liquid or gas systems, e.g., in packaging of drugs, electric components and perishable chemicals; water scavenging in printing and plastics systems and drying saturated hydrocarbon streams.Adsorbed species include SO2, CO2, H2S, C2H4, C2H6, and C3H6. Generally considered a universal drying agent in polar and nonpolar media. Harmful waste treatment 4A molecular sieves can purify sewage of cationic species such as ammonium ions, Pb2+, Cu2+, Zn2+ and Cd2+. Due to the high selectivity for NH4+ they have been successfully applied in the field to combat eutrophication and other effects in waterways due to excessive ammonium ions. 4A molecular sieves have also been used to remove heavy metal ions present in water due to industrial activities. They are also used in the filtration of air supplies for breathing apparatus, for example those used by scuba divers and firefighters. In such applications, air is supplied by an air compressor and is passed through a cartridge filter which, dependent on the application, is filled with molecular sieve and/or activated carbon, finally being used to charge breathing air tanks such filtration can remove particulates and compressor exhaust products from the breathing air supply.

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