mercury cell

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a primary cell consisting of a zinc anode and a cathode of mercury oxide and an electrolyte of potassium hydroxide

References in periodicals archive ?
The diaphragm cell process (Griesheim cell, 1885s) and the mercury cell process (Castner-Kellner cell, 1892s) were both introduced in the late 1800s.
The CAB extends the portfolio of Mercury Cell BE processor- based products, including the BladeCenter-compatible Dual Cell-Based Blade, the 1U Blade Server, and the highly rugged and deployable PowerBlock 200 product -- each of which offers a Cell BE processor-based solution.
The countries belonging to the Paris Convention for the Prevention of Marine Pollution countries - including Denmark - have agreed that "mercury cell chlor-alkali plants should be phased out completely by 2010." But the Convention put no system in place to track what happens to the mercury cells as they are phased out.
Major sources of mercury releases to the air include coal-fired power plants, incineration of mercury-containing devices, mercury cell chloralkali plants, and industrial boilers.
Similarly, the industry is maintaining its focus on reducing mercury emissions with a voluntary target of 1.0 gram per tonne of mercury cell capacity on a national basis by 2007 for 11 Western European countries (Eastern European members in Hungary, Poland, Czech Republic and Slovakia have yet to sign up to this specific commitment).
Technology (mercury/membrane/diaphragm): producers are progressively converting mercury cell plants to primarily membrane electrolysis.
Commissioned in 1963, Dalhousie Works began producing and safely delivering chlorine and 50 per cent sodium hydroxide using mercury cell technology to their customers, the numerous paper mills located in New Brunswick and the Gaspe coast.
In response to an article in European Report 2709, Section IV ("Compulsory conversion of electrolysis plants"), Euro Chlor, the federation representing European chlor-alkali producers, has contacted us to say that the article is incorrect in stating that all 47 existing EU mercury cell plants must convert to alternative technologies by October 30, 2007.
There is also an old and heavily-polluted chlorine complex based on mercury cells. Epichlorhydrin is produced at this complex as well.
Disposal of dry mercury cells of all types having high concentration of mercury should be high priority.