|
US3941693A
(en)
*
|
1974-08-12 |
1976-03-02 |
Aerojet-General Corporation |
Solid mineral and regenerant recovery for ion-exchange resins
|
|
US3939071A
(en)
*
|
1974-08-12 |
1976-02-17 |
Aerojet-General Corporation |
Recoverable regenerants for cationic exchange resins
|
|
JPS52123554A
(en)
*
|
1976-04-06 |
1977-10-17 |
Bayer Ag |
Method of selectively removing heavy metal
|
|
US4220531A
(en)
*
|
1978-04-14 |
1980-09-02 |
Gordon B. Nute |
Apparatus for deionizing liquids with ion exchange resins
|
|
US4234419A
(en)
*
|
1979-10-09 |
1980-11-18 |
Coillet Dudley W |
Process for the removal of inorganic salts from a water stream
|
|
US4389253A
(en)
*
|
1980-10-30 |
1983-06-21 |
Hitachi, Ltd. |
Process for removing crud from ion exchange resin
|
|
US4462904A
(en)
*
|
1982-03-12 |
1984-07-31 |
Westvaco Corporation |
Pulsed regeneration of adsorption column
|
|
US4696720A
(en)
*
|
1986-05-12 |
1987-09-29 |
Grain Processing Corporation |
Removal of water from aqueous alcohol mixtures
|
|
US4904383A
(en)
*
|
1987-05-01 |
1990-02-27 |
Auerswald David C |
System for demineralizing water
|
|
US4820421A
(en)
*
|
1987-05-01 |
1989-04-11 |
Auerswald David C |
System and method for demineralizing water
|
|
US5736052A
(en)
*
|
1995-11-27 |
1998-04-07 |
Framatome Technologies, Inc. |
Ion exchange resin particle separation system
|
|
CA2353307A1
(fr)
*
|
2001-07-13 |
2003-01-13 |
Carmen Parent |
Appareil et procede pour le traitement des effluents gazeux
|
|
US7108784B1
(en)
|
2001-09-26 |
2006-09-19 |
Wrt International Llc |
Apparatus for removal and destruction of ammonia from an aqueous medium
|
|
US7476311B2
(en)
*
|
2001-09-26 |
2009-01-13 |
Wrt International Llc |
Arsenic removal from aqueous media using chemically treated zeolite materials
|
|
US9908788B1
(en)
|
2001-09-26 |
2018-03-06 |
Wrt International Llc |
Radium removal from aqueous media using zeolite materials
|
|
US20040029257A1
(en)
*
|
2002-01-28 |
2004-02-12 |
Co2 Solution |
Process for purifying energetic gases such as biogas and natural gas
|
|
US7105087B2
(en)
*
|
2002-09-17 |
2006-09-12 |
Wrt International Llc |
Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials
|
|
US7390414B2
(en)
*
|
2002-09-25 |
2008-06-24 |
Wrt International Llc |
Regeneration of chemically treated zeolite
|
|
CA2405635A1
(en)
|
2002-09-27 |
2004-03-27 |
C02 Solution Inc. |
A process and a plant for the production of useful carbonated species and for the recycling of carbon dioxide emissions from power plants
|
|
US7326347B2
(en)
*
|
2003-10-29 |
2008-02-05 |
Wrt International Llc |
Dynamic up-flow zeolite system and method
|
|
US6998054B2
(en)
*
|
2003-12-31 |
2006-02-14 |
The Boc Group, Inc. |
Selective fluoride and ammonia removal by chromatographic separation of wastewater
|
|
US20070215552A1
(en)
*
|
2005-09-16 |
2007-09-20 |
Wrt International Llc. |
Systems and methods for removal of contaminates from an aqueous media in the absence of modified nitrate levels
|
|
US7520987B1
(en)
|
2005-11-15 |
2009-04-21 |
Wrt International Llc |
System and apparatus for purging absorptive materials used in the removal of contaminates from an aqueous medium
|
|
WO2008064249A2
(en)
*
|
2006-11-20 |
2008-05-29 |
Wrt International Llc |
Transition metal-loaded zeolite materials for use in drinking water
|
|
US8517103B1
(en)
*
|
2012-12-04 |
2013-08-27 |
Halliburton Energy Services, Inc. |
Oil or gas treatment fluid containing a chelate or coordination complex that sets
|
|
US20170362097A1
(en)
*
|
2016-06-16 |
2017-12-21 |
Kurion, Inc. |
System and method for controlling performance of aqueous hazardous waste capture
|