What others have to say about 
the Deskins "Quick-Dry" Filtration Process.

The Deskins "Quick-Dry" Filter Bed Process has saved municipalities millions of dollars in operational cost.

UNITED STATES DEPARTMENT OF AGRICULTURE
RTW PROFESSIONAL ENGINEERS AND CONSULTANTS
UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
MCALLEN TEXAS
CASEY ILLINOIS
TROPHY CLUB TEXAS
NORTH CAROLINA STATE UNIVERSITY

Earth Tech
Technical Bulletin

THE UNITED STATES DEPARTMENT OF AGRICULTURE REFERENCE:

M Vanotti, USDA Florence, South Carolina 843-669-5203, vanotti@florence.ars.usda.gov

The Deskins “Quick-Dry” Filtration Process™ Pilot study from April to September 2000 at NCSU Lake Wheeler Field conducted by the USDA and North Carolina State University using swine waste showed:

The removal of

• 98 % Suspended Solids (TSS)

• 98 % Volatile Solids (TVS)

• 89 % Chemical Oxygen Demand (COD)

• 62 % Total Kjedahl Nitrogen (TKN)

• 91 % Organic Nitrogen,

• 66 % Total Phosphorus, 

• 93 % Organic Phosphorus

            FILTER DRAINAGE

Created Clear Effluent

Filters drained at rate of pump (200 gpm) through gravity filtration

BIOSOLIDS

                        Removable cake in 24-48 hours, 70 % solids

                        15% solids in 30 minutes

                        40% solids in 8 hours

For more information, please refer to the Advanced Treatment System for Liquid Swine Manure Using Solid-Liquid Separation and Nutrient Removal Unit Processes found in the Proceedings of the Eighth International Symposium for Animal, Agricultural and Food Processing pages 393-400 written by M.B. Vanotti, J.M. Rice, S.L. Howell, P.G. Hunt and F.J. Humenik

or

Contact for a copy of the article using the contact page.

TOP

RTW PROFESSIONAL ENGINEERS AND CONSULTANTS   

RTW Professional Engineers and Consultants
Denver/Colorado Springs/Fort Collins
1600 Stout Street, Suite 1800,  Denver, Colorado  80202-3126
(303) 825-5999      Fax: (303) 825-0642
email: rtw@rtweng.com
http://www.rtweng.com

"I would recommend the use of the Deskins "Quick-Dry" Filter Bed technology because it is a simple, effective and low-cost biosolids dewatering system.  Dave Deskins and his staff are service-oriented and put in the extra effort to coordinate with clients, consultants and contractors to ensure projects run smoothly."

United States Environmental Protection Agency   

Russell J. Martin, P.E.
Technical Support Section
Water Division
Region 5
(312) 886-0268
Fax: (312) 886-0168
WC-15J
77 West Jackson Blvd
Chicago, Illinois 60604-3590

To: F. David Deskins
23 Fairway Drive
Alexandria, Indiana 46001 

Any consultant that does not consider the Deskins System when analyzing WWTP solids handling limitations is not providing his client with potentially the lowest cost alternative for solids removal.  Just ask Sandwich, Illinois (Carlos Serrano (815) 786-6471).

Russell J. Martin, P.E.
November, 23, 1999

TOP

 

City of McAllen – McAllen Public Utilities     

Tony Aguirre, Chairman
Jaime Enriquez, Vice-Chairman
John Schrock, Sr., City Commissioner
Roger Garza, Trustee
Richard F Cortez, Trustee
WM. Bart Hines, Utility Manager
(956) 972-7150

November 16, 1998

David Deskins
Deskins Systems
23 Fairway Drive
Alexandria, Indiana 46001 

Subject: Letter of Recommendation

To Whom It May Concern:

Please accept this letter as an endorsement and letter of recommendation for the Deskins Sludge Dewatering System.  The City of McAllen has installed the Deskins dewatering systems at our North Wastewater Treatment Plant and has been working with it for well over two years.  What previously required two man days to clean out a sludge bed after the sludge had been dried, now requires less than 1 man hour to clean out the bed.  The Deskin System is not just a sludge flocculator and drainage panels, but also a sludge retrieval system.

When comparing the Deskin System to any other sludge dewatering system such as centrifuge, a belt process, for the same volume of sludge you will find no other system cheaper or simpler to operate and easy to implement.  The City of McAllen openly welcomes any visitors to view the Deskin System at the North Wastewater Treatment Plant and soon be operating Deskin System at our South Wastewater Treatment Plant.

Should anyone have any questions or comments regarding this subject feel free to contact me at (956) 972-7150.

Sincerely,

Wm. Bart Hines, P.E.
Utility Manager

Both Plants Are In Full Operation With 
Deskins "Quick-Dry" Filter Bed Process.  

Plant Effluent Is Being Sold To A Land Utility 
Making The Plant A Profit Center For The Town!

TOP

City of Casey      

108 East Main
Casey Illinois 62420

May 26, 1998

Mr. Dave Deskins
F. D. Deskins Co., Inc.
23 Fairway Drive
Alexandria, IN 46001

Dear Dave,

Enclosed is a copy of my logbook on the Deskins beds.  We’ve had your equipment since 12-30-96.  We pout and remove the sludge about every other day.  I mean all year round, even when we have snow or ice on the beds.  Water out of the sludge thaws the sand and we still get good drainage and sludge cracking.

Dave, I’ve had a lot of people stop by or call and I tell them all the same.  Deskins has really worked for us.  The city’s engineer spent over $200,000.00 for (2) vacuum drying beds and they never worked.  I spent less on your equipment and it’s let me keep up with my sludge production.

Glad to help.  Anyone can call me at (217) 932-2873.

Jerry Hammon
Supervisor WWTP

TOP

 

Town of Trophy Club    

100 Municipal Drive
Trophy Club, TX 76262
(817) 430-1218

September 15, 1998

Mr. Bill Walker
Design Controls
11726 C.R. 123
Centerville, TX 75833 

RE: Enhanced Sludge Dewatering Process (Deskins Process)

 Dear Mr. Walker,

 Please accept this letter in response for my comments regarding the Deskins RapidFloc Mixer and Sand-Cell installed at our Wastewater Treatment Plant.

 I am very pleased to inform you of complete installation of 8,000 sq. feet of sand-cell to our conventional drying bed space, including an inline RapidFloc Mixer and polymer injection unit.  The installation was performed by Trophy Club employees in a very timely manner with a representative of Design Controls present.

Due to a faster sludge dewatering and a low solids percentage of our digested sludge, we are able to remove more sludge from our digesters with each pour.  Due to faster drying time and the ability to mechanically retrieve  our dried sludge, we have a much faster drying bed turnaround, this enables us to empty digester space and completely eliminate the tremendous cost of operating a blower unit needed in the past.

From an operator point of view, anyone ever having the privilege of manually cleaning conventional drying beds must respect the Enhanced Sludge Dewatering Process.  I cannot begin to explain the boost in employee morale.  From a Superintendent point of view, this allows more time to train employees in specialized areas of operation, and from a management point of view, this simply makes good sense by saving time and money.

We are very pleased with your product and would recommend it to any facility that may be using conventional drying beds at this time.  It has been a pleasure working with you.  I am looking forward to discussing future results.  Should you or any future client have any questions or concerns, please have them contact Mr. Bill Walker at 1-800-677-7126 then I will contact you.

Sincerely,

Robbie Daughtry
WWTP Superintendent
Trophy Club, Texas

NORTH CAROLINA STATE UNIVERSITY
REFERENCE AND RECOMMENDATION:

USDA and NCSU and F D Deskins Company, Inc. bring to the table the liquid-solid separation to a new level that is affordable, programmable, predictable, and ready for you to implement.

"The pilot study exceeded our expectations.  We want to get started with a full scale swine unit."   Frank Humenik NCSU CALS Animal Waste Management Programs Coordinator 919-515-6767 frank@ncsuwqg.wq.ncsu.edu

Prior to sending influent wastewater through Deskins "Quick-Dry" Filtration Process, the correct polymer concentration was determined by University personnel. Mark Rice is holding the resultant sample up for the visitors from National Sanitation Foundation working with US EPA on the Environmental Technology Verification Program
	Jon Montgomery explains the Deskins "Quick-Dry" Filtration Process to NSF/ETV member from many countries.
If you would like more information regarding the findings from North Carolina State University and the United States Department of Agriculture, please send a request using the contact page.

The National Sanitation Foundation was introduced to the Deskins "Quick-Dry" Filtration Process as a result of the association with NCSU.

TOP