Document ID: EPA-HQ-OAR-2010-0750-0155
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2012-08-14T04:00Z

From:        "Jessell, Chuck" <Chuck.Jessell@agrium.com> 
To:        Bill Neuffer/RTP/USEPA/US@EPA 
Date:        03/08/2012 03:12 PM 
Subject:        RE: Agrium - North Bend 
                                       

Bill, sorry it took so long to get back to you.  See my answers below: 
  
Thanks for your assistance in the past. 
 I have noted in a telecon a while ago, that you only use hydrogen peroxide injection(HIPI) in addition to SCR  during the summer months. 
 Is this accurate? We have the ability to add peroxide throughout the entire year.  We usually only add it in the warmer months, but can throughout the course of the year.

Any idea on the level of control that HIPI achieves?  We do not have any data to accurately answer this question. 
  
When using HIPI, is the SCR operating the same ? Yes, when we add HP, the SCR is in operation.  
  
I think you also felt that uncontrolled NOx was higher in warmer temperatures. 
Any idea how much higher? The absorption efficiency of the absorbing towers at the North Bend acid plant is affected mainly by temperature and humidity.  We do not have any data to determine how much higher it would be. 
  
If you have any additional questions, please don't hesitate to call on me. 
  
Best Regards, 
Chuck 
  

Chuck Jessell, MBA, REM 
Senior Environmental Specialist 
Agrium's North Bend Nitrogen Operation 
10743 Brower Rd. 
North Bend, OH 45052 
(513) 467-7312 - Direct 
(513) 941-4100 - Switchboard 
(513) 467-7324 - Fax 
chuck.jessell@agrium.com 
  
  
  
  

From: Bill Neuffer [mailto:Neuffer.Bill@epamail.epa.gov] 
Sent: Wednesday, February 22, 2012 2:44 PM
To: Jessell, Chuck
Subject: Agrium - North Bend 
  
  Thanks for your assistance in the past. 
 I have noted in a telecon a while ago, that you only use hydrogen peroxide injection(HIPI) in addition to SCR  during the summer months. 
 Is this accurate? 

 Any idea on the level of control that HIPI achieves?  When using HIPI, is the SCR operating the same ? 

 I think you you also felt that uncontrolled NOx was higher in warmer temperatures. 
 Any idea how much higher? 
 
Bill Neuffer 
Metals and Inorganic Chemicals Group 
Sector Policies and Programs Division 
Office of Air Quality Planning and Standards 
US EPA 
RTP, NC 27711 
(919) 541-2284 
FAX - (919) 541 - 3207 

                                       
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