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Adsorption news and technical articles from Oil & Gas Journal. Search Adsorption latest and archived news and articles

  1. Modified cycles, adsorbents improve gas treatment, increase mol-sieve life

    Magazine Articles

    Mon, 4 Aug 2008

    potential. ExxonMobil has been involved in adsorption and adsorbent use for at least a half-a ..... enters from the top of the bed during the adsorption cycle. As the bed adsorbs contaminants over the course ..... is already near its maximum water- adsorption capacity (for that temperature and partial

  2. Field tests prove microscale NRU to upgrade low-btu gas

    Magazine Articles

    Thu, 1 Oct 2009

    8-11 conventional pressure swing adsorption , 12-15 or lean oil absorption (Mehra ..... supply. NRU process Pressure swing adsorption is a proven commercial technique that ..... and the reactivated bed reused for adsorption in the next cycle. The demonstration

  3. Activated carbon passes tests for acid-gas cleanup

    Magazine Articles

    Mon, 24 Jun 1996

    actual plant conditions. Following the adsorption step, the activated carbon was easily ..... be used throughout this discussion: Adsorption capacity -How much hydrocarbon a given ..... hold up to breakthrough of benzene. Adsorption efficiency -The percentage of hydrocarbon

  4. SPECIAL REPORT: Extending mole-sieve life depends on understanding how liquids form

    Magazine Articles

    Mon, 19 May 2008

    slows the mass transfer rate of moisture adsorption plus the heavier hydrocarbons tend to ..... permanently restrict sites for moisture adsorption . 1 Liquid droplets hitting the molecular ..... fewer than 500, and the incremental adsorption temperature had no negative effect on

  5. BTX: PROBLEM AND SOLUTION-1: Activated carbon eliminates Claus deactivation problem

    Magazine Articles

    Mon, 22 Oct 2007

    amine. Refrigerating the feed. BTX adsorption from acid gas using molecular sieve ..... enrichment. Fuel-gas stripping. BTX adsorption from acid gas using regenerable activated ..... could be achieved with either carbon adsorption or acid-gas enrichment. It had been

  6. Market conditions encourage refiners to recover by-product gases

    Magazine Articles

    Mon, 7 Oct 2013

    include cryogenic, pressure-swing adsorption (PSA), semi-permeable membranes ..... and purification (pressure-swing adsorption , membrane). Existing NGL recovery ..... comparison among those technologies.2 Adsorption (PSA system) is the best choice when

  7. Study compares COS-removal processes

    Magazine Articles

    Mon, 22 Sep 2003

    enlarge image Type I: One-stage direct adsorption with inlet preheating. Synetix's Puraspec ..... costs. Type II: One-stage direct adsorption (no preheat), low sulfur-loading ..... wt %. Type III: One-stage direct adsorption (no preheat), high sulfur-loading

  8. BTX: PROBLEM AND SOLUTION-Conclusion: CBUs eliminate BTX-induced catalyst deactivation

    Magazine Articles

    Mon, 5 Nov 2007

    completely dried long before the end of the adsorption cycle. This water is carried directly the ..... superficial velocity through the bed when in adsorption mode. Design guidelines have been reported ..... enhance efficiency: lowest possible adsorption temperature balanced against relative humidity

  9. Low-sulfur specifications cause refiners to look at hydrotreating options

    Magazine Articles

    Mon, 8 Dec 1997

    Intevep SA, Venezuela Using sulfur adsorption for the full-range FCC gasoline ..... desulfurization. The process of sulfur adsorption is currently under development ..... development is successful, the adsorption process will be an attractive gasoline

  10. CNOOC lets contract for Huizhou refinery expansion

    Online Articles

    Tue, 3 Feb 2015

    air separation, coal preparation, gasification, transformation, low-temperature methanol washing, pressure swing adsorption , sulfur recovery, and sour-water stripping, according to CRTG’s disclosure. In late 2013, CNOOC Oil & Petrochemicals

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