Blue Plains Total Nitrogen Removal / Wet Weather Plan District of Columbia Water and Sewer Authority Serving the Public • Protecting the Environment Draft April 2007 Long Term Control Plan Supplement No. 1
Chat Online
• Peak wet weather capacity to treat more than one billion gallons per day. ... be impaired by other sources of nitrogen. Blue Plains contributes less than two percent of the estimated nitrogen load to the Chesapeake ... Screening and grit removal Wastewater comes to Blue Plains through 1,800 miles of sewers from around the District and from
Chat Online
The District of Columbia’s Adva nced Wastewater Treatment Plant at Blue Plains is a 370-mgd facility that provides wastewat er treatment for over 2 million people in Washington, DC and surrounding...
Chat Online
May 20, 2011 · Nitrogen Removal Technology: Past, Present and Future-Blue Plains Advanced Wastewater Treatment Plant’s . Current Nutrient Regulation and Nitrogen Removal Processes . May 20. th, 2011. Sudhir N. Murthy, PhD, PE
Chat Online
Jul 30, 2007 · The District of Columbia Water and Sewer Authority (WASA) invites you to attend a public meeting regarding the proposed $800 million Total Nitrogen Removal/Wet Weather Plan (TN/WW Plan) for the Blue Plains Advanced Wastewater Treatment Plant and the Combined Sewer System for the District. Details of the meeting are as follows:
Chat Online
• Nitrogen Removal: $950 Million • Total > $ 3.5 Billion • 25 yr implementation (2005 – 2030) ... • Key component of TN/Wet Weather Plan • First major tunnel in program • Significant suburban cost contribution ... Blue Plains Tunnel was an excellent project, built on
Chat Online
Two key components of DC Water’s Nitrogen Removal/Wet-Weather Program include the Tunnel Dewatering Pump Station (TDPS) and Enhanced Clarification Facility (ECF). This project starts where the massive DC Clean Rivers Project tunnels end at Blue Plains. In 2018, when the Blue Plains Tunnel was brought online, the Tunnel Dewatering Pump Station (TDPS) and Enhanced Clarification
Chat Online
Dec 30, 2008 · The American Council of Engineering Companies of Metropolitan Washington (ACEC/MW) selected the Blue Plains Total Nitrogen Removal/Wet Weather Plan as the Grand Award Winner in the Non-Design category for the 2008-2009 ACEC/MW Engineering Excellence Awards.
Chat Online
Enhanced Clarifi cation Facilities and Tunnel Dewatering Pump Station – The fi nal part of the total nitrogen/wet weather plan starts where the tunnel ends at Blue Plains. In 2018, when the Blue Plains Tunnel is brought online, the key interface will occur between the tunnel and CSO treatment at Blue Plains. Principal components include:
Chat Online• Nitrogen Removal: $950 Million • Total > $ 3.5 Billion • 25 yr implementation (2005 – 2030) ... • Key component of TN/Wet Weather Plan • First major tunnel in program • Significant suburban cost contribution ... Blue Plains Tunnel was an excellent project, built on
Chat Online
A wet weather operation model, using the BIOWIN process model, was developed to simulate the impact of the wet weather operations on total nitrogen removal during a severe storm.
Chat Online
Wet Weather Treatment Facility (WWTF) - The wet weather treatment facility is located on the Blue Plains site at the end of the BPT. The WWTF is designed to empty the BPT and transfer treated effluent to the BPAWWTP and/or discharge treated effluent from Outfall 001 during Combined Sewer System Flow (CSSF) conditions.
Chat Online
LTCP Base Plan Total Nitrogen/Wet Weather Modifications ... Nitrogen Removal Alternatives 740 mgd Peak = 2.0 555 mgd Peak = 1.5 13. 14 Anacostia Tunnel System (157 mg) Blue Plains WWTP •225 mgd Wet Weather Treatment Facility
Chat Online
Location: Blue Plains, Washington DC, USA. Client: DC Water (District of Columbia Water and Sewer Authority), Washington DC, USA. Area of application Wastewater pumps for Enhanced Nitrogen Removal Facility (ENRF) Project data: A key element of the new ENRF process was the addition of a new high-capacity pump station.
Chat Online
Feb 09, 2010 · o WASA's Combined Sewage Overflow (CSO) Long Term Control Plan (total estimated cost of $2.3 billion) o Blue Plains Total Nitrogen Removal (TNR) (total estimated cost of $850 million) o Implementation of WASA's Biosolids Management Plan (total estimated cost: $450 million)
Chat Online
Dec 17, 2012 · Blue Plains sits on 150 acres of land and has a rated annual average day capacity if 370 million gallons per day (mgd) and a peak wet weather capacity of 1,076 mgd. The system needs a larger storm rated capacity to accommodate the old central city section which accounts for one third the area of the District and still has the old combined sewer ...
Chat Online
Jul 14, 2014 · Blue Plains Total Nitrogen Removal/Wet Weather Plan. District of Columbia Water and Sewer Authority. Accessed July 5, 2012. ... Science of the Total Environment 338 (1): 3 ... Capital Improvements Plan, and Maximum Impact Fees. San Antonio, TX. Accessed July 4, 2012. ...
Chat Online
2012 IMA [Effective date: 4/3/13] Operating Agreement #1 1 OPERATING AGREEMENT #1 PARTIES’ AGREEMENT REGARDING: BLUE PLAINS FLOW CAPACITY, LOADS, AND PEAK FLOWS - ALLOCATIONS AND LIMITATIONS THIS OPERATING AGREEMENT (“Agreement”), made among the DISTRICT OF COLUMBIA (the District), the DISTRICT OF COLUMBIA WATER AND SEWER
Chat Online
Jun 14, 2016 · new Total Nitrogen discharge limit at the same time that, due to implementation of the LTCP, the plant would be treating increased flows during wet weather. In developing its nitrogen removal plan, WASA determined that optimal nitrogen removal occurred at lower flows than those specified in the LTCP for complete treatment.
Chat Online
Oct 20, 2015 · Kruger Inc. (USA), a Veolia business unit specialised in water treatment solutions for municipalities, will provide design services, process equipment and commissioning support to
Chat Online
A good green first approach should, therefore, recognize the strengths and limitations of both the gray and green solutions. Comparing the life cycle cost (capital + operation and maintenance) and hydraulic performance (overflow reduction) of green and gray solutions is essential for
Chat Online
When the Orange Water and Sewer Authority (OWASA) expanded its Mason Farm Wastewater Treatment Plant in Chapel Hill, N.C., to 14.5 mgd, increased Peak Wet Weather Flow (PWWF) capacity from 30 to 45 mgd, and added enhanced nutrient removal, a team from Brown and Caldwell came up with a facility plan — featuring biological contact technology ...
Chat OnlineEnhanced Clarifi cation Facilities and Tunnel Dewatering Pump Station – The fi nal part of the total nitrogen/wet weather plan starts where the tunnel ends at Blue Plains. In 2018, when the Blue Plains Tunnel is brought online, the key interface will occur between the tunnel and CSO treatment at Blue Plains. Principal components include:
Chat Online
Wet Weather Treatment Facility Owner: DC Water | Design-Build ... and excavation, removal, hauling and offsite disposal of over 200,000 cubic yards of material. ... and piping modifications and tie-ins to existing underground tunnels and galleries. Upon completion, the Blue Plains filtrate treatment facility will be the largest DEMON facility ...
Chat Online
Jan 17, 2008 · Blue Plains improvements Blue Plains improvements –– $2.3 B capital program over 10 years$2.3 B capital program over 10 years Total nitrogen enhanced nutrient removal: $950 M Nitrogen Removal Wet Weather Flows Total nitrogen enhanced nutrient removal: $950 M Other Blue Plains projects: $1.4 B Large 10Large 10--yr CIP budgetyr CIP budget CSO ...
Chat Online
Blue Plains Program Manager: Solicitation Information: ... (CIP), including projects in the Total Nitrogen and Wet Weather program areas and Biosolids Management Plan for the Blue Plains Advanced Wastewater Treatment Plant. Program management will involve establishing scopes, budgets and schedules in the Authority’s capital improvements ...
Chat Online
Nutrient Removal at Blue Plains • Nitrogen removal is a bio-chemical process: uses a naturally occurring bacteria; requires ‘food’ • Will involve use of additional 30,000 gal of methanol/day (current use: 12,000 gal/day) • Requires construction of an additional tunnel segment to
Chat OnlineThis deficiency at the Blue Plains wastewater treatment plant resulted in reduced biological nitrogen removal, erratic denitrification rates, filament growth, increased sludge yields, and ...
Chat Online
(Total Cost: $42.4M) • Blue Plains (S-22.10; p. 4-5): enhanced nitrogen removal north, enhanced clarification facilities, enhanced nitrogen removal facilities, biosolids filtrate treatment facilities, combined heat & power as back-up power, biosolids blending development center, ENR program management, and wet weather mitigation,
Chat Online
Aug 31, 2015 · Excess wet weather flow will be pumped through screening and grit removal from a newly constructed tunnel, then to the ACTIFLO® clarification process as part of the plant’s expansion. This ACTIFLO® system, expected to be fully operational in 2018, will provide Blue Plains with the ability to process and treat wet weather flows as described ...
Chat Online
MBBR post denitrification pilot was implemented at the Blue Plains AWTP. ... performance even under cold wet weather operating conditions. ... for denitrification to achieve total nitrogen between ...
Chat OnlineA good green first approach should, therefore, recognize the strengths and limitations of both the gray and green solutions. Comparing the life cycle cost (capital + operation and maintenance) and hydraulic performance (overflow reduction) of green and gray solutions is essential for
Chat Online
The recommended plan was based on a total sludge production of 350 to 360 DTPD at a flow of 309 mgd and projected future sludge production around 500 DTPD at a flow of 370 mgd. ... the District was advised that nitrogen removal would be required at Blue Plains. ... A 3.5 percent average nitrogen value for Blue Plains sludge would equate to a ...
Chat Online
The nitrogen removal system has to work both during dry weather and wet weather conditions. The additional cost is estimated to be nearly billion dollars. However, this is a shared cost, since Blue Plains treats wastewater from some of the neighboring jurisdictions. CSO control cost on the other hand is entirely the responsibility of D.C ...
Chat Online
Jun 02, 2012 · B) Blue Plains Upgrades . The Blue Plains Wastewater Treatment Plant is the largest advanced wastewater treatment plant in the world, with a rated capacity of 370 million gallons per day (MGD). During extreme wet weather events, flows can reach 1.076 billion gallons per day. Maryland’s portion of the Blue Plains flow is 169.6 MGD.
Chat Online
DC Waters' Vision of Success drove the development of a solution whereby the Blue Plains Advanced Wastewater Treatment plant will not only achieve the limit-of-technology treatment standards for: Wastewater- achieving the most stringent combined treatment standards in the nation with effluent total phosphorus 0.18 mg/1 and total nitrogen 3.0 mg/1
Chat Online
