Dow, Herbert Henry

Dow, Herbert Henry (i866-1930) ACanadianindustrialscientist who founded the Dow Chemical Company in 1897. He is noted for the invention of the Dow process for extracting bromine using electrolysis to oxidize bromide to bromine. He had a major impact in the breaking of a cartel of European companies in chemical manufacture at the time. 

DuPont, presented at the beginning of this chapter, and Dow are the largest chemical companies in the United States. Dow Chemical Company was started by Herbert Henry Dow (1866-1930) in Canton, Ohio. Dow was a student at Case Institute in Cleveland who studied the characteristics of salt brines acquired from wells around the Great Lakes. Dow was determined to discover methods to extract chemicals from the salt brine. Rather than use the standard distillation method of his day to obtain chemicals, Dow employed electrolysis to separate... 

Dow process /dow/ An industrial method whereby magnesium is extracted from seawater via the precipitation of Mg(OH)2 by Ca(OH)2, followed by solvation of the precipitated hydroxide by hydrochloric acid. The process is named for the American industrial chemist Herbert Henry Dow (1866-1930), who founded the Dow Chemical Company (1897). 

Bromine extraction (Herbert Henry Dow) Dow s method for extracting bromine from brine enables bromine to be widely used in medicines and in photography. 

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