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/R Incorporated Providing Environmental Technical Support Since 1989

501 Eastowne Drive, Suite 250  Chapel Hill, North Carolina 27514

Telephone: (919)484-0222  Fax: (919) 484-0122

 

CONTACT REPORT

Date/Time Project Name Project Number

August 22, 2011 4:30pm Ferroalloys RTR MME-411

EC/R Originator Contact Phone Number

Bradley Nelson Daryl Lipscomb – Albemarle (404) 216-0976

General Subject

The purpose of the telephone call was to discuss mercury control options for an electric arc 

furnace equipped with a wet scrubber. Mr. Lipscomb believes that activated carbon 

injection prior to the wet scrubber would be able to reduce mercury emissions by 90 

percent using an estimated 1 to 1.5 lb per million cubic feet of exhaust gas activated carbon 

injection rate using their B-PAC product. The B-PAC activated carbon is a brominated 

powdered activated carbon that has more Hg capture surface area than activated carbon, 

and the B-PAC product captures mercury as soon as it enter the gas stream. He stated that 

the captured mercury would remain absorbed to the activated until it is heated above 400 

degrees Fahrenheit. Therefore, the captured solids in the wet scrubber would not be 

hazardous waste and can be disposed of in a landfill (e.g., the captured solids would be able 

to meet TCLP standards for non-hazardous waste). Additional information with regards to 

the mercury control of the EAF was sent by the vendor and is included as an attachment to 

this contact report.
Attachment 1. Email Correspondence

From: Daryl.Lipscomb@albemarle.com

Sent: Tuesday, August 30, 2011 8:23 AM

To: Brad Nelson

Cc: 'Beth Friedman'; Ron.Landreth@albemarle.com; 

Daryl.Lipscomb@albemarle.com

Subject: RE: Infomation Request for Mercury Control

Hello Brad, the wet particulate scrubber should be able to capture at 

least 90% of the PAC. Ron, please 

verify this as well. 

Regarding price of Albemarle's B-PACTM, this depends of volume, contract 

commitment, etc. But in 

general ~ $1/lb.. 

Daryl Lipscomb 

Commercial Development & Sales Manager 

Albemarle Corporation 

(Mobile) 404-216-0976 

(Fax) 404-549-7257 

Email: daryl.lipscomb@albemarle.com 

website: http://www.albemarle.com/mercury 

"Brad Nelson" <nelson.brad@ecrweb.com> 

08/29/2011 10:30 AM 

To

<Daryl.Lipscomb@albemarle.com> 

cc

"'Beth Friedman'" <friedman.beth@ecrweb.com>, 

<Ron.Landreth@albemarle.com> 

Subject

RE: Infomation Request for Mercury Control

Daryl, 

 

Thank you for the information. I have a couple more questions regarding 

the carbon injection. Would the wet 

scrubber be able to capture approximately 90% of the injected carbon or 

would an additional particulate capture 

device be required? What is the cost of the B-PAC product? 

 

Thanks again for your help. 

 

Bradley Nelson 

EC/R Incorporated 

Chemical Engineer 

501 Eastowne Drive, Suite 250 

Chapel Hill, NC 27514 

Office: 919-484-0222 Ext. 323 

nelson.brad@ecrweb.com 

 

From: Daryl.Lipscomb@albemarle.com [mailto:Daryl.Lipscomb@albemarle.com] 

Sent: Friday, August 26, 2011 3:25 PM 

To: Brad Nelson 

Cc: 'Beth Friedman'; Ron.Landreth@albemarle.com 
Subject: Re: Information Request for Mercury Control 

 

Hello Brad, we've trialed at an utility site previously that had a wet 

particulate scrubber with similar temperatures. We were able to achieve 

excellent results (>90% Hg reduction) using our B-PACTM product. 

I would recommend injecting Albemarle's B-PAC upstream of the wet 

particulate scrubber. 

Based on the details below I believe we would be able to achieve 90% 

mercury reduction at an injection rate of less than 50 pounds per hour of 

our B-PAC product. 

Please let me know if you have additional questions. 

Daryl Lipscomb 

Commercial Development & Sales Manager 

Albemarle Corporation 

(Mobile) 404-216-0976 

(Fax) 404-549-7257 

Email: daryl.lipscomb@albemarle.com 

website: http://www.albemarle.com/mercury

From: "Brad Nelson" <nelson.brad@ecrweb.com> 

Sent: 08/22/2011 05:12 PM 

To: <daryl.lipscomb@albemarle.com> 

Cc: "'Beth Friedman'" <friedman.beth@ecrweb.com> 

Subject: Information Request for Mercury Control

Daryl, 

 

I appreciate your time this afternoon to discuss mercury control for a EAF 

at a ferroalloy manufacturing facility. As we discussed, we are looking 

to reduce the mercury emissions from a wet venturi scrubber by 

approximately 90 percent. A summary of the exhaust information is as 

follows: 

 

Volumetric flow rate 185,000 acfm 

Exhaust temperature 135 F 

Exhaust moisture 6.9% 

Mercury concentration 1.39E-05 gr/dscf (1.99E-9 lb/dscf) assumed 

80% elemental, 20% mercuric chloride 

PAH concentration 3.43E+05 ng/dscm 

 

The inlet temperature is approximately 350 F. Let me know if you need any 

additional information. 

 

Bradley Nelson 

EC/R Incorporated 

Chemical Engineer 

501 Eastowne Drive, Suite 250 

Chapel Hill, NC 27514 

Office: 919-484-0222 Ext. 323 

nelson.brad@ecrweb.com