US2013153438A1PendingUtilityA1

System to produce hydrogen gas fuel

Assignee: UNIVERSITI MALAYSIA PAHANGPriority: Feb 22, 2010Filed: Feb 5, 2013Published: Jun 20, 2013
Est. expiryFeb 22, 2030(~3.5 yrs left)· nominal 20-yr term from priority
F24C 9/00H01M 16/00C25B 1/04F02B 43/10C25B 15/08C25B 9/00Y02T90/40Y02E60/36
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Claims

Abstract

A process for producing hydrogen gas fuel from water source or waste water source or a combination thereof, which includes the steps of generating electrical power by at least an electrical power supplying means or from a means to supply electrical power, storing the electrical power in at least an electrical power storage means, supplying electricity for pumping the from the water source or waste water source or a combination thereof to a hydrogen fuel electrolyzer while level of the water source or waste water source or a combination thereof within the electrolyzer and pump are controlled, and electrolyzing the water source or waste water source or a combination thereof in the presence of a catalyst solution such as potassium hydroxide, sodium hydroxide or ethanoic acid, having 2% to 6% v/v% (or any other unit that is appropriate) for a period of at least 0.03 hours to 60 hours to produce hydrogen gas fuel.

Claims

exact text as granted — not AI-modified
1 . A process for producing hydrogen gas fuel from water source or waste water source or a combination thereof, wherein the process includes the steps of:
 (a) generating electrical power by at least an electrical power supplying means or from a means to supply electrical power;   (b) storing the electrical power in at least an electrical power storage means;   (c) supplying electricity for pumping the from the water source or waste water source or a combination thereof to a hydrogen fuel electrolyzer while level of the water source or waste water source or a combination thereof within the electrolyzer and pump are controlled, and   (d) electrolyzing the water source or waste water source or a combination thereof in the presence of a catalyst solution such as potassium hydroxide, sodium hydroxide or ethanoic acid, having 2% to 6% v/v% (or any other unit that is appropriate) for a period of at least 0.03 hours to 60 hours to produce hydrogen gas fuel.   
     
     
         2 . The process as claimed in  claim 1 , wherein the hydrogen gas fuel is supplied to intended users via pipeline distribution. 
     
     
         3 . The process as claimed in  claim 2 , wherein the pipeline is provided with a flash back retarder. 
     
     
         4 . The process as claimed in  claim 1 , wherein the level of the water source or waste water source or a combination thereof within the electrolyzer and pump are controlled by a buoyant water level controller . 
     
     
         5 . The process as claimed in  claim 1 , wherein the catalyst solution is sodium hydroxide or potassium hydroxide or ethanoic acid. 
     
     
         6 . The process as claimed in  claim 1 , wherein quality of the electrolyzed wastewater particularly sewage can be improved during at least 3 hours of electrolysis process wherein it is observed that there is COD reduction up to 88%, suspended solids removal up to 91% and BOD 5  removal up to 87%.

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