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  • TOC Correlation to BOD or COD (Part 1)
    Biochemical Oxygen Demand (BOD) and Chemical Oxygen. Demand (COD) are traditional parameters analyzed in. the laboratory to determine organic matter in water. and wastewater. Wastewater facility operators need. to have constant data to monitor their discharges and. optimize treatment processes
  • Oilsorb TM lowers COD (.pdf)
    COD problems? Organoclay (OILSORB) to the rescue. It is a fact that many plant engineers fail to understand the significance of COD (chemical oxygen demand) measurements. As one example, the discharge limit may be 50 ppm for COD and 100 ppm for oil. If an engineer is asked if he has a problem
  • Case Study: Integration of Membrana Ultrafiltration and Gas Transfer Membrane Technologies Produces High Quality Water and Controls Corrosion in Cooling Water System of Shanghai Disney Land
    enlisted CHD to design and build a system using proven membrane technologies that effectively removed suspended solids, colloidal. substances, chemical oxygen demand (COD), salt, and. dissolved gases from the system. Ultrafiltration (UF), reverse osmosis (RO) and gas transfer membrane (GTM
  • Copper drawn part used in Aerospace oxygen application. Part needed clean surfaces free of contamination.
    This component held chemicals that produce. oxygen on demand for emergency air breathing masks on. commercial airliners. It had to be totally clean and free of contaminates. Engineers feared that contaminates could compromise. the integrity of the chemicals that would be stored inside
  • Profitable and environmentally sound production
    PROFITABLE AND ENVIRONMENTALLY SOUND PRODUCTION OF BLEACHED PULP Metso Paper Sundsvall AB, Sundvall 85194, Sweden ECF, TCF, ozone, bleaching, oxygen delignification The closure demands on bleach plants have lead to significant development of bleaching techniques to reduce the effluent volumes
  • Medical Device Link .
    that will appear in this annual section. Here then, back by popular demand, are choices for the third annual Top 40, culled from issues of published between May 1996 and April 1997. Congratulations to the winners, but don't thank us . . . thank the readers. A miniature paramagnetic oxygen transducer is fast
  • Medical Device Link .
    when exposed to heat, and achieves a full cure at room temperature in 8 hours. While silicone adhesives have been around for more than 60 years, silicone is actually a misnomer. The suffix -one indicates that a substance contains a double-bonded oxygen in its chemical backbone. Early scientists
  • Medical Device Link .
    for a certain nickel content or a certain chemical alteration that adds strength or reduces ductility, " says Frank Jankoski, the company 's director of technical services. For example, he notes, oxygen content is critical to the strength of titanium. The company works with a materials supplier to alter

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