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  • pH Control in Ethylene Quenching
    In the production of olefins, naphtha or natural gas feedstock is steam cracked at high temperatures in a cracking furnace. This sets off a variety of reactions which are brought to a halt by quenching the produced gas mixture with water. The mixture, containing approximately 38 % ethylene
  • Effect of surface phosphorus on the oxidative dehydrogenation of ethane to ethylene
    Scientists from Accelrys, Akzo-Nobel, and Sandia National Laboratories, have used the DFT code DMol to carry out an extensive investigation of the full oxidative dehydrogenation cycle of ethane to ethylene on a SiO The results obtained from the simulations will enable a better understanding
  • Bonding in Poly(ethylene-oxide)-Water Systems
    Centro de Quimica IVIC, Venezuela Los Alamos National Laboratory, USA Researchers at IVIC-Venezuela, Kraft Foods, USA, and the Los Alamos National Laboratory, USA, have used computational techniques to investigate the bonding in poly(ethylene-oxide) - water systems, an important component
  • Protecting Ethylene Process Facilities: A Review of Gas Detection Methods
    Driven largely by increased global shale gas production, North American ethylene producers have become more profitable, with cost. positions that approach those of the Middle East's lowest cost producers. As ethane prices have decreased relative to that of naphtha. within the last ten years
  • Ethylene: Diethylene Glycols On-Line Monitoring with a ClearView TM Photometer
    To replace a gas chromatograph (GC) by continuously measuring the amount of ethylene glycol in diethylene glycol using a near infrared (NIR) ClearView TM fiber optic filter photometer. Background: It is not obvious, even to many NIR practitioners, that NIR can make more subtle distinctions among
  • Photoacoustic Monitor Helps BASF Manage Ethylene Oxide Levels
    BASF Corp.'s Geismar Louisiana Facility needed to monitor ethylene oxide levels from 19 remote sampling points around the plant to ensure compliance with the OSHA 8 hour TWA exposure limit of 1 ppmv and check for leaks and process upsets. A sampling and measurement system comprised of an Innova
  • Water in Ethylene Glycol Online Monitoring with a Clear View Photometer
    Purpose: To determine water content in ethylene glycol (EG) without sample temperature control. Experimental: Our PS-2E NIR diode array spectrometer was used to measure the NIR spectra of 0 to 6% water in EG in the 25 to 35 °C temperature range using a 2 mm cuvette in our HeaterCell TM fiber optic
  • De-coking of Ethylene Crackers
    Committed to staying on the cutting edge of sensor technology, Detcon continues focusing its. efforts on perfecting its state-of-the-art MOS H2S sensor.
  • Analysis of Impurities in Polymer-grade Ethylene, Propylene and 1,3-Butadiene
    Take as a case study the detection of one impurity: arsine in. olefins. Even at low ppb levels, arsine can adversely affect. certain polymerization catalyst properties and also lead to. polymer contamination.
  • Medical Device Link .
    Medical Devices--Validation and Routine Control of Ethylene Oxide Sterilization , ANSI/AAMI/ISO 11135, Arlington, VA, Association for the Advancement of Medical Instrumentation (AAMI), 1994. Medical Devices--Validation and Routine Control of Ethylene Oxide Sterilization , ANSI/AAMI/ISO 11135

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