| POWERSPAN CORP. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110125326 | USING RAMAN SPECTROSCPPY TO CONTROL CARBONATE/BICARBONATE CONCENTRATIONS - An apparatus and method of controlling carbonate/bicarbonate concentrations and ratio in a chemical process having the steps of flowing a carbonate/bicarbonate solution through a measurement cell ( | 05-26-2011 |
| 20110110841 | METHOD AND APPARATUS FOR PRODUCING AMMONIUM CARBONATE FROM UREA - A method for producing ammonium carbonate from urea having the steps of providing a urea solution; hydrolyzing the urea solution to produce NH | 05-12-2011 |
| 20100319542 | SCRUBBING OF AMMONIA WITH UREA AMMONIUM NITRATE SOLUTION - A process for scrubbing ammonia in a CO2 removal process having the steps of absorbing ( | 12-23-2010 |
| 20100089110 | CARBON DIOXIDE SCRUBBING WITH AMMONIUM CARBONATE AND AMMONIA VAPOR CONTROL - A method for removing carbon dioxide from a gas stream and controlling ammonia vapor by scrubbing the carbon dioxide from the gas stream with ammonium carbonate, thereby producing ammonia vapor and ammonium bicarbonate; removing a portion of the ammonia vapor from the gas stream with ammonium bicarbonate; and polishing the flue gas to achieve an ammonia concentration of less than 10 PPM. | 04-15-2010 |
| 20100083828 | REMOVAL OF CARBON DIOXIDE FROM FLUE GAS STREAMS USING MIXED AMMONIUM/ALKALI SOLUTIONS - A process for removing carbon dioxide from a gas stream by scrubbing the carbon dioxide from the gas stream with a mixture of ammonium and alkali carbonates such as sodium carbonate and/or potassium carbonate. Using the mixed alkali carbonate solution as the CO | 04-08-2010 |
| 20090253335 | TUBULATION-FREE GAS FILLED ELECTRODE OR LAMP - A method of making a tubulation-free gas filled electrode or lamp having the steps of providing a glass or quartz tube having a first end and a second end opposite the first end; inserting a cathode into the first end; crimping the first end thereby securing the cathode and making the first end airtight; securing a solid plug inside the tube second end but leaving a gap between the plug and tube through which gas can pass; evacuating air from inside the tube by drawing it through the second end past the plug; charging the tube with a gas; and sealing the plug gap to make the second end airtight. | 10-08-2009 |
| 20090184620 | ELECTRODE CAP FOR ELECTRICAL DISCHARGE REACTOR - An electrode cap having a horseshoe-shaped conductor clip that has an opening at a closed end for receiving an electrode, the conductor clip fitted over a tube crimp; a cylindrical base cap having an elongated bump at one end of the base cap parallel to the axis of the base cap; and a cylindrical top cap closed on one end, having an inside diameter larger than the outside diameter of the base cap; and a spring for pressing a plate against the base cap. | 07-23-2009 |
