Richard W Humphries, Age 77Gladewater, TX

6475396, Nov 5, 2002

Nov 14, 2000

09/712084

James Walton Griffith - Austin TX
Richard Wayne Humphries - Cedar Park TX
Justin Wade Lawrence - Round Rock TX

Hydroprocessing, LLC - Austin TX

C02F 172

210758, 210761, 2101981, 210199, 210205

Heated and pressurized reactant material is caused to come into contact with oxidant in an initial contact zone (Z) within a contactor. vessel ( ). This initial contact zone is removed from the walls of the vessel and the structure through which the reactant material is introduced into the vessel. Once in the contactor vessel ( ), the temperature of the reactant material is elevated to critical temperature or near critical temperature in at least portions of the initial contact zone. Sulfates and similar ions liberated in the oxidation reaction form salts and precipitate from solution generally in. the initial contact. zone removed from the contactor vessel walls and then tend not to adhere to equipment at points downstream from the initial contact zone.

6709601, Mar 23, 2004

Oct 29, 2002

10/282854

James Walton Griffith - Austin TX
Richard Wayne Humphries - Cedar Park TX
Justin Wade Lawrence - Round Rock TX

Hydroprocessing, L.L.C. - Austin TX

C02F 102

210749, 210758, 210761, 210175, 2101981, 210205

In addition to the contactor and reactor arrangement ( ), a hydrothermal treatment system ( ) includes an effluent stream splitting arrangement ( ) for receiving hydrothermal reaction effluent and splitting this effluent to produce two separate effluent streams. These separated effluent streams are used to heat at least a water stream and first reactant material stream before these streams are injected into the contactor and reactor arrangement ( ). A first split effluent heat exchange arrangement ( ) places one split effluent stream in a heat exchange relationship with the water input to the contactor and reactor arrangement ( ). A second split effluent heat exchange arrangement ( ) places the other split effluent stream in a heat exchange relationship with both the first reactant material and the water input to the contactor and reactor arrangement ( ).

6121179, Sep 19, 2000

Jan 8, 1998

9/004403

Roy N. McBrayer - Austin TX
Jos A. Boere - Amersfoort, NL
Lars Tidlund - Stenungsund, SE
Richard W. Humphries - Austin TX

Chematur Engineering AB - Karlskoga

B01J 2034
C09C 156
C01B 3102

502 23

Contaminated adsorbent particles, preferably activated carbon particles, are regenerated in water at supercritical conditions. The particles are preferably mixed in water prior to treatment. The mixture is preferably heated to a temperature at least about 900. degree. F. (482. degree. C. ) and pressurized to a pressure sufficient to achieve supercritical conditions for water. The mixture is preferably flowed through a first reactor for a time sufficient to substantially remove the organic contaminants from the particles. The particles are separated from the water and the mixture of water and organic contaminants may be transferred to a second reactor. Within the second reactor the organic contaminants are preferably substantially oxidized by supercritical water oxidation.