Barrel process

Bar´rel proc´ess

1.(Metal.) A process of extracting gold or silver by treating the ore in a revolving barrel, or drum, with mercury, chlorine, cyanide solution, or other reagent.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Products include: 2-and 4-barrel cabinet washers, bin/lug washing machines and custom barrel process centers.
"One of the principal purposes behind the provision for a nominating commission in the appointment process was not to replace the elective process, but to place restraint on the pork barrel process of purely political appointments," said Bookman, who serves on the JNC for the First District Court of Appeal.
They are cutting through the pork barrel process which allowed Liberal governments to launder money in Quebec and a few favoured ridings elsewhere to purchase junk.
*Consistent, controllable process heating and cooling system featuring five barrel process zones with the three downstream zones using water cooling--a design that is said to be "nearly maintenance free," compared with that of oil-cooled systems;
Petrobras' refining division, though, lost nearly $11 for each barrel processed in Brazil 2013 and nearly $16 a barrel in 2012, according to its 2013 financial results.Based on a cost of $1.2 billion, Petrobras could probably make back its investment in Pasadena in 5 years, Good says.That may be down to luck rather than smart investing.
The cost for a hydrocracker runs in the hundreds of millions of dollars, but by cracking residual fuel into diesel, refiners can earn an additional $15 or more for every barrel processed. In a refinery that processes 300,000 barrels of crude per day, revenues would increase by $4.5 million, and the payback period could be as low as a year.