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November Chementator Briefs

By Edited by Gerald Ondrey |

  Reforming catalyst Haldor Topsøe A/S (Lyngby, Denmark; www.topsoe.com) has introduced a new alkali-promoted steam-reforming catalyst, dubbed RK-400. RK-400 is engineered to protect against unwanted carbon formation while achieving a higher level of catalytic activity than those previously seen in this class, says the company. RK-400 has a reservoir of potassium promoter integrated within the carrier material. This gives the catalyst the ability to replenish the potassium as it is depleted, which not only eliminates the challenge of maintaining sufficient alkali at the surface, but also allows for an initial surface coverage of only the essential amount of promoter material. As a result, more nickel surface is available for steam reforming catalysis, which results in an increase in catalytic activity. RK-400 is suitable for all types of reformers, including top-, bottom-, terrace wall- and side-fired combinations. Top-fired operation is especially recommended due to the high heat flux at the upper part of the tubes. The first commercial charge of RK-400 was installed in 2012 in a North American NH3 plant. Wastewater treatment Last month, GE (Fairfield, Conn.; www.ge.com) introduced LEAPprimary, a new primary wastewater-treatment…
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