PPC

Our goal is to help our customers reduce their environmental footprint by providing long lasting reliable pollution control equipment... In 1906 the DuPont Corporation enlisted Frederick Gardner Cottrell to help them with the problem of separating arsenic from sulfuric acid. Cottrell's approach to the separation resulted in a pure sulfuric acid mist. Cottrell then began to experiment with precipitation to condense the mist for the recovery of the sulfuric acid. He identified two major deficiencies in previous designs of precipitators: the power supply and the discharge electrode (used to generate corona). Utilizing the latest available power supply technology of the time (the synchronous mechanical rectifier and high voltage AC transformer) along with a pubescent (villous) discharge electrode, Cottrell succeeded in collected the mist. Cottrell filed his patent later that same year and received it in 1908.

Also known as: PPC AIR

Primary location: Longview United States