Development of Chemical Precipitation Purchased 

Equipment Costs:

Filter Presses

Purchased Equipment Costs are the sum of the following cost elements:

(1) Pump Costs

(2) Tank Costs

(3) Chemical Feed System Costs

(4) Mixer Costs

(5) Clarifier Costs

(6) Filter Press Costs

(7) Sand Filter Costs

Each cost component includes the cost of freight and associated ancillary equipment such as piping, 

valves, and controllers.

The following emails support EPA’s development of cost element (6) by documenting EPA's 

communication with a vendor regarding purchase costs for filter presses used in the Steam Electric cost 

model.

Note: This document is CBI due to the inclusion of the [Redacted] plant in regards to a diagram provided 

by the vendor. The vendor stated the name of the plant should not be released. Also, this document is CBI 

due to the inclusion of filter press details from the supplemental cost documentation provided by 

[Redacted] (Plant ID [Redacted]) which was marked CBI in the Survey. While the emails contain a 

confidentiality statement, the vendor stated that the other information provided was not CBI.
From: Yazdjerd Alex <Alex.Yazdjerd@andritz.com>

To: Kavya Kasturi <Kavya.Kasturi@erg.com>

Date: 11/14/2012 12:38 PM

Subject: RE: RE: FW: Cost request for plate and frame filter presses

You can use the info please do not refer to the name of the company since they are not aware of your project

Thank you,

H. Alex Yazdjerd

SEPARATION

Region North America

Andritz Separation Inc.

1010 Commercial Blvd S.

Arlington, TX 76001

(817) 375-4493 Phone

(817) 375-6493 Fax

alex.yazdjerd@andritz.com

http://www.andritz.com

[cid:image001.png@01CDC264.D98E9250]

From: Kavya Kasturi [mailto:Kavya.Kasturi@erg.com]

Sent: Wednesday, November 14, 2012 12:32 PM

To: Yazdjerd Alex

Subject: RE: RE: FW: Cost request for plate and frame filter presses

Thank you Alex! I very much appreciate your response!

Does this include the sheet entitled [Redacted]? I believe you may have stated that this was for a particular plant so I wanted to double check 

whether this information was confidential.

Thanks,

Kavya

Kavya P. Kasturi, Environmental Engineer

Eastern Research Group, Inc.

Phone: (240) 654-2524

kavya.kasturi@erg.com<mailto:kavya.kasturi@erg.com>

>>> Yazdjerd Alex <Alex.Yazdjerd@andritz.com<mailto:Alex.Yazdjerd@andritz.com>> 11/14/2012 11:47 AM >>>

I apologize for not responding to your request sooner as I was on the road and I need to pass your request to a different department for approval

I was told that since the info is preliminary and pricing is budgetary it is okay to use.

Thank you,

H. Alex Yazdjerd

SEPARATION

Region North America

Andritz Separation Inc.

1010 Commercial Blvd S.

Arlington, TX 76001

(817) 375-4493 Phone

(817) 375-6493 Fax

alex.yazdjerd@andritz.com<mailto:alex.yazdjerd@andritz.com>

http://www.andritz.com

[cid:image001.png@01CDC264.D98E9250]

From: Kavya Kasturi [mailto:Kavya.Kasturi@erg.com]<mailto:[mailto:Kavya.Kasturi@erg.com]>

Sent: Friday, November 09, 2012 10:14 AM

To: Yazdjerd Alex

Subject: Fwd: RE: FW: Cost request for plate and frame filter presses

Hi Alex,
I had not heard back from you in response to my last email so I wanted to follow up again. We have noted that your email contains a 

confidentiality statement at the end. Could you please confirm that none of the information discussed or attached was confidential business 

information (CBI)? Information provided will be used in USEPA's development of effluent limitation guidelines for the steam electric power 

industry and may become public. If you have any concerns about the confidentiality of any documentation you provided, please let me know so 

we can handle the documentation appropriately.

Thank you.

Kavya

Kavya P. Kasturi, Environmental Engineer

Eastern Research Group, Inc.

Phone: (240) 654-2524

kavya.kasturi@erg.com<mailto:kavya.kasturi@erg.com>

________________________________

This message and any attachments are solely for the use of the intended recipients. They may contain privileged and/or confidential information 

or other information protected from disclosure. If you are not an intended recipient, you are hereby notified that you received this email in error 

and that any review, dissemination, distribution or copying of this email and any attachment is strictly prohibited. If you have received this email 

in error, please contact the sender and delete the message and any attachment from your system.

Thank You.

________________________________

From: "Yazdjerd Alex" <Alex.Yazdjerd@andritz.com>

To: "Kavya Kasturi" <Kavya.Kasturi@erg.com>

Date: 5/5/2011 1:04 PM

Subject: RE: FW: Cost request for plate and frame filter presses

Attachments: Filter Press Feed System Theory.pdf; Filter Press Dewatering Theory.pdf; [Redacted]; IS-FP-2188B-11-06 (1500 250 CU 

FT ) Model (1).pdf; DMA2512 (1500).pdf; DMA2523 (800).pdf

Dear Kavya;

Based on our conversation for the max flow of 280 gpm we decided on two

(2) 330 ft3 filter presses which you can add a 3rd press for some

redundancy.

The 330 ft3 should be the Andritz model 1.5 x2 - filter press with 111

chambers, the feed pump should have a 400 gpm pump (positive

displacement Progressing Cavity Pump)

The 1.5 x2 will require a 10HP and 7.5HP. 

The estimate for the each filter press and a feed pump is $ 525,000 each

For the mid range flow of 140 gpm we decided on two (2) 250 ft3 filter

presses with 128 chambers and the 3rd press for redundancy this should

be the Andritz model 1500. the feed pump should have a 308 gpm

The 1500 will require a 3HP and 7.5HP. 

The estimate for the each filter press and the feed pump is $ 405,000

each

For the low end we should use a 25 ft3 press with 45 chambers and they

can run two cycles per day, this should be the Andritz 800mm we can use

an AOD feed pump with 50 gpm

The 800 will require a 5HP 

The estimate for the each filter press and the feed pump is $ 205,000

each

If you have any questions please feel free to contact me.

Thank you in advance,
H. Alex Yazdjerd

Process & Environment

Regional Manager

Andritz Separation Inc.

1010 Commercial Blvd. South

Arlington, TX 76001

Direct: (817) 375- 4493

Cell: (610) 909-5568

Fax: (817) 375-6493

alex.yazdjerd@andritz.com <mailto:alex.yazdjerd@andritz.com> 

www.andritz.com <http://www.andritz.com> 

________________________________

From: Kavya Kasturi [mailto:Kavya.Kasturi@erg.com] 

Sent: Friday, April 22, 2011 12:24 PM

To: Yazdjerd Alex

Subject: RE: FW: Cost request for plate and frame filter presses

Hi Alex,

Thanks so much for taking the time to talk to me today. The information

you provided was very helpful. In this email, please find the details on

our requested costs as well as specifications for an example plant's

filter press. 

We are hoping you can provide us cost estimates for a variety of sizes

of recessed plate and frame filter presses that may be used in these

wastewater treatment systems. We would like estimates of the purchase

cost (including any ancillary equipment) and power consumption. Also,

any marketing material or brochures detailing equipment specifications

and listing any ancillary equipment included would be very helpful.

Lastly, we would also like an estimate of freight/shipping costs to ship

a filter press approximately 500 miles or an approximate weight of each

filter press. We are relying on your expertise on filter presses, so

please feel free to make assumptions as needed and please let me know

what those assumptions are.

The wastewater flow ranges we expect through the system could be as low

as 7 gpm (for a small plant) and as high as 700 gpm (for a large plant).

Based on available information, we expect the flow rate of sludge

transferred to the sludge holding tank to be between 20-40% of the

wastewater flow rate. If that does not sound reasonable, please let me

know. This means the expected sludge flow rate would be between 1.4 gpm

(smallest plant at 20% sludge to WW ratio) and 280 gpm (largest plant at

40% sludge to WW ratio). The percent solids of the sludge is expected to

be approximately [Redacted]. Sludge from the sludge holding tank will be
dewatered in the filter press(es).

We would like to obtain costs for filter presses appropriate for the

smallest flow rate (1.4 gpm) and largest flow rate (280 gpm), as well as

at least 1 flow rate in between. Below I have provided filter press

details for an example plant. It can be assumed that these details

generally apply to the other systems as appropriate. Where you believe

this does not make sense, please let me know.

[Plant-specific information has been redacted to prevent disclosure of 

material for which a claim of confidential business information has 

been made.]

As you mentioned over the phone, using multiple filter presses may be

more cost effective and provide redundancy, particularly for larger

systems. Please feel free to provide costs for multiple filter presses

as opposed to one large filter press where you believe that is the best

option. We anticipate smaller plants will have 2 filter presses at 100%

capacity. If this assumption does not make sense for larger plants using

multiple units, please let me know. 

Also, are pumps included in the cost of the filter press? If not, are

you able to provide costs for the appropriate pumps for each sized

system? Again we would expect at least 2 100% capacity pumps.

Lastly, are cloth wash systems typically required for filter presses? If

so, can you provide the cost for a cloth wash system and any other

details you believe may be helpful?

If any of this information is considered confidential business

information (CBI), do not send a written response via e-mail. Instead,

please call me directly to discuss the details.

We are on a tight deadline regarding the costs and are hoping to get

costs ASAP. If you are not able to provide costs within a few days

please let me know.

Thank you in advance for all of your work in preparing these costs.

Again, please do not hesitate to call or email me with any questions. I

will be out of the office next week but I can be reached via cell phone

on Monday (240-654-2524) and will be checking email in the evenings. I

look forward to hearing from you.

Thanks,

Kavya

Kavya P. Kasturi, Environmental Engineer

Eastern Research Group, Inc.
Phone: (703) 633-1701

Fax: (703) 263-7280

kavya.kasturi@erg.com

>>> "Yazdjerd Alex" <Alex.Yazdjerd@andritz.com> 4/20/2011 5:19 PM >>>

Dear Kavya;

I have tried to call you when I received the email on the 18th and today

without any luck to speak with you.

Please feel free to contact me on my cell at your convenience

Thank you in advance,

H. Alex Yazdjerd

Process & Environment

Regional Manager

Andritz Separation Inc.

1010 Commercial Blvd. South

Arlington, TX 76001

Direct: (817) 375- 4493

Cell: (610) 909-5568

Fax: (817) 375-6493

alex.yazdjerd@andritz.com

www.andritz.com

________________________________

From: Kavya Kasturi [mailto:Kavya.Kasturi@erg.com] 

Sent: Wednesday, April 20, 2011 2:18 PM

To: Perron Bill

Cc: Yazdjerd Alex

Subject: Re: FW: Cost request for plate and frame filter presses

Thanks Bill. 

Alex, please let me know if you have any questions regarding our

request. Our deadlines are fast approaching so any information you could

provide would be great.
Thanks,

Kavya

Kavya P. Kasturi, Environmental Engineer

Eastern Research Group, Inc.

Phone: (703) 633-1701

Fax: (703) 263-7280

kavya.kasturi@erg.com

>>> "Perron Bill" <Bill.Perron@andritz.com> 4/18/2011 8:13 PM >>>

Kavya,

I passed you information to Alex Yazdjerd who is more familiar with

filter presses

Best regards,

Bill Perron

Process & Environment

Sales Manager

Andritz Separation Inc. 

1010 Commercial Blvd. South 

Arlington, Texas 76001 USA 

(817) 419-1772 direct phone 

(817) 419-1972 direct fax 

(817) 266-9526 Cell

Bill.Perron@andritz.com <mailto:Bill.Perron@andritz.com> 

www.andritz.com <http://www.andritz.com/> 

________________________________

From: Kavya Kasturi [mailto:Kavya.Kasturi@erg.com] 

Sent: Monday, April 18, 2011 3:44 PM

To: Perron Bill

Subject: Fwd: Cost request for plate and frame filter presses
Hi Bill,

I had not hear back from you so I wanted to check to see if you are

still able to provide costs. Additionally, I had questions about the

ball park costs you provided me. You stated the FGD wastewater flows

that you typically see are between 500 and 1500 gpm and that the

associated filter presses would cost between $300,000 and $1,000,000. Do

you typically see one filter press per plant? Is this ball park cost per

filter press or per plant? If you have any standard price lists for

recessed plate and frame filter presses, that would also be very

helpful.

Thanks,

Kavya

Kavya P. Kasturi, Environmental Engineer

Eastern Research Group, Inc.

Phone: (703) 633-1701

Fax: (703) 263-7280

kavya.kasturi@erg.com

________________________________

This message and any attachments are solely for the use of the intended

recipients. They may contain privileged and/or confidential information

or other information protected from disclosure. If you are not an

intended recipient, you are hereby notified that you received this email

in error and that any review, dissemination, distribution or copying of

this email and any attachment is strictly prohibited. If you have

received this email in error, please contact the sender and delete the

message and any attachment from your system.

Thank You.

________________________________