Featured patents

Method of Cleaning and Recycling Glycol-Tainted Water From De-Icing Operations at Airports
US 08808511 B2, Aug. 19, 2014, Of concentration, Brad Michael Malatesta
A method of recycling water from water containing glycol comprising the steps of:…

Distillation Apparatus
US 08771478 B2, July 8, 2014, Under pressure or vacuum, Dudley Edgar James Ward / Equus Environmental Ltd. (Auckland, NZ)
A distillation apparatus for producing distillate from a contaminated liquid,…

Removal of Hydrocarbons From an Aqueous Stream
US 08758573 B2, June 24, 2014, Water Purification Only, Maarit Aarni-Sirvio et al. / Borealis Technology Oy (Ponvoo, FI)
A process for the removal of hydrocarbons from an aqueous stream, which process…

US 08734618 B2, May 27, 2014, And Returning Product of Distillation Step to Distillation Zone, George Anderson / Shell Oil Company (Houston, US)
Apparatus for treating a gaseous hydrocarbon fraction to obtain a gaseous…

Fresh Water Recovery System
US 08709216 B2, April 29, 2014, Water Purification Only, Dwight L. Jaeger
A method of recovering fresh water from a salt water supply, the method…

Method for Reduction of Contaminants in Evaporator Distillate
US 08603301 B2, Dec. 10, 2013, For scale inhibiting or corrosion preventing, William F. Heins et al. / General Electric Company (Schenectady, US)
A method for producing high purity distillate from a contaminated steam stream…

Vapor and Liquid Flow Control in a Dividing Wall Fractional Distillation Column
US 08562792 B2, Oct. 22, 2013, Distillation of initial distillate, Stephen Thomas King et al. / UOP LLC (Des Plaines, US)
A dividing wall distillation column comprising:…

Method for Recovery of Acetic Acid From an Aqueous Solution Thereof
US 08506766 B2, Aug. 13, 2013, Acetic, Kuang-Yeu Wu et al. / AMT International Inc. (Plano, US)
A method for recovering acetic acid from an aqueous solution thereof, comprising:…

Apparatus, Process and System for Delivering Fluid to a Distillation Column or Reactor
US 08486233 B2, July 16, 2013, Utilizing recovered heat for heating the distillation zone, Alphonzo George Nelson et al. / Chevron U.S.A. Inc. (San Ramon, US)
An apparatus for delivering fluid to a distillation column or reactor consisting…

Method of Determining Flood Points of Packed Columns
US 08449727 B2, May 28, 2013, Of temperature or pressure, Brian Hanley / Aspen Technology, Inc. (Burlington, US)
A method of determining a flood point of a packed column for liquids and vapors…

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