dredging Articles
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Bozeman wastewater treatment plant, Crisafulli FLUMP with pond liner protection system-case study
Paul Layton, Assistant Superintendent, City of Bozeman, MT Public Works Dept. Commenting on the Crisafulli FLUMP with Crisafulli’s Pond Liner Protection System Purchased in 2003 for Bozeman’s Wastewater Treatment Plant "I really like the remote-control aspect of the unit. We can just have an operator sitting up here on the shore, out of the sludge, operating in a very clean ...
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Dredging Q+A: Top 8 Questions Answered
We strive to provide our customers with as much information as they need to make informed decisions about the dredging equipment they choose. So we compiled some of the questions (and answers!) asked most frequently for your quick review. Q: What kinds of dredges does SRS Crisafulli make? A: SRS Crisafulli produces hydraulic dredges with horizontal auger cutterheads in two model groups - ...
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Sludge reduction performance focus: Lagoon sludge case study
In-Pipe Technology Pipe Technology® Company, Inc., Company, Inc., Company, Inc., is an effective, environmentally is an effective, environmentally is an effective, environmentally-friendly, and fiscally friendly, and fiscally responsible method to reduce accumulated lagoon solids. By reducing accumulated sludge volumes by 40% to 85%, In- volumes by 40% to 85%, In-Pipe Technology has helped ...
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Rotomite application, Decatur, Arkansas
The Town of Decaur, Ark., is using a self-propelled dredging system as part of a new biosilids management program designed to reduce the cost of sludge disposal and increase solids detention time in-plant. While less than 1,000 people live inDecatur, the town's wastewater treatment plant handles flow equivalent to a population of 40,000. The primary contributor to these flows is a poultry ...
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Rotomite application serving municipal WWTP, Decatur, Arkansas-case study
As reported in WaterWorld, Serving the Municipal Water/Wastewater Industry In 1996, the Town of Decaur, Ark., purchased a self-propelled Rotomite 180-P dredging system as part of a new biosolids management program designed to reduce the cost of sludge disposal and to increase solids detention time in-plant. While less than 1,000 people live in Decatur, the town's wastewater treatment plant ...
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Natchez Wastewater Treatment Facility Finds Success with New System
A popular magazine at the SRS Crisafulli offices is Treatment Plant Operator (TPO), which serves municipal water system operators. The November 2011 issue of TPO featured the Natchez, Mississippi Wastewater Treatment Facility in their Top Performer - Biosolids section, with an article titled "Sun Dried Success". "Natchez is the site of a new “greenhouse” solar biosolids drying ...
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Confined disposal facilities: History and trends
ABSTRACT Confined disposal facilities with filter layers have been used for disposal of dredged sediments for decades. Recent assessment of the environmental risk of contaminants in sediments has resulted in the use of lined confined disposal facilities. A case history outlines a contaminated sediment disposal facility designed with geosynthetics. Trends indicate more stringent requirements for ...
By CETCO
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Getting ready for a larger panama canal - assessing a critical large diameter force main
Abstract Opened in 1905, the Government Cut is a manmade shipping channel between Miami Beach and Fisher Island, which allows better access to the Port of Miami in Miami, Florida. Before the Cut was established, a single peninsula of dry land stretched from what is now Miami Beach to what is now Fisher Island, and boats destined for the port at the mouth of the Miami River had to pass around Cape ...
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Meat processing facility and Waste water treatment - Case study
Application Meat Processing Facility Waste Water Treatment Lagoon Lagoons had not been Fully Cleaned in > 20 Years Estimated 35,000,000 Gallons of Anaerobic Waste Activated Sludge Material Anaerobic Waste Activated Meat Processing Sludge 4 – 6% Solids Problems Sludge build up in the Lagoons was being hydraulically dredged and land applied but it was very difficult to ...
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Ft. Dodge wastewater treatment plant case study
Performance History and Discussion USW Utility Group who manages the Ft. Dodge Wastewater Treatment Plant selected In-Pipe Technology to reduce lagoon sludge levels and delay the lagoons' scheduled 2011 dredging event, as well as to improve process operation and efficiency. Secondary project objectives include the improvement of conditions in the City's collection system by removing fats, oil and ...
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Experimental study of using wastewater sludge as a new drag reduction agent
Siltation is considering as a huge risk to the life and security of dams. Forced to preserve their useful volumes, managers use sediment dredging operations through different techniques. The aim of our work is to investigate the wastewater sludge derived from wastewater treatment as a new natural lubricating instrument during transport of sediment in the pipes and to reduce head losses. From ...
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Lagoon Maintenance Dredging every Decade
SRS Crisafulli has discovered the Rural Water Association. This winter, Troy Fercho, Frank Robinson, Tristan Hoff and I attended shows in North Dakota, Montana, Minnesota, and Idaho. At these Rural Water Association Trade Shows, we promoted SRS Crisafulli's dredge equipment and rental services to assist communities in managing the long term, low cost resource of their wastewater lagoon ...
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Aerators and mixers enable cost savings, reduce biosolids buildup - Case Study
Problem The town of Monroeville, Ala., faced aeration and mixing issues, sludge buildup in one of its wastewater lagoons, and power bills of $12,500 per month after a major employer relocated its garment manufacturing facility. The company had generated about 90 percent of the wastewater entering the lagoon, and its fees covered 90 percent of the operation and maintenance cost, which included ...
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Aerators and mixers enable cost savings, reduce biosolids buildup - Case Study
Problem The town of Monroeville, Ala., faced aeration and mixing issues, sludge buildup in one of its wastewater lagoons, and power bills of S12,500 per month after a major employer relocated its garment manufacturing facility. The company had generated about 90 percent of the wastewater entering the lagoon, and its fees covered 90 percent of the operation and maintenance cost, which included ...
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WWTP Sludge reduction case study
Introduction The City of Spring Valley, IL was seeking bioaugmentation to reduce the economic burden of sludge dredging and disposal and to evaluate the possibility of restoring the microbiological activity in the lagoon. The lagoon was flooded several times from the near-by Illinois River, which created different strata of inorganic silt/organic sludge and densely packed sludge at the lagoon ...
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Minergy GFT Supplemental Sediment
The purpose of the Study is to evaluate the economic and technical feasibility of melting PCB contaminated river sediments in a glass furnace. The Glass Furnace Technology (GFT) was developed by Minergy. Minergy originally developed vitrification technologies to process wastewater sludge into glass aggregate that could be sold as a commercial product. The technology was evaluated during a U.S. ...
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Technologies Work Together in WWT Lagoon Rehab
Beneficial microorganisms and LumenAER solar-powered mixers remove organic load and eliminate need for dredging On the west coast of Panama near the Costa Rican border lies David, capital of the Chiriquí province. It’s the largest city in western Panama, with a population of approximately 83,000. David is a relatively affluent city, with many quiet neighborhoods of detached homes. ...
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Waste water treatment lagoon - Case study
Application Waste Water Treatment Lagoon – Michigan Village Lagoons had not been Cleaned in 35 Years Estimated 3,000,000 Gallons of Anaerobic Sludge Material Anaerobically Digested WWTP Sludge 2 – 6% Solids Problems Sludge build up in the Primary Lagoon was transferring to the polishing lagoon and threatened to cause noncompliant discharges and DEQ fines Residents ...
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Case study - Crystal lake wastewater treatment plant
Challenge: The City of Crystal Lake is located about 45 miles northwest of Chicago with a population of nearly 45,000 people. Like many wastewater treatment plants, urban sprawl and suburban development puts the Crystal Lake Wastewater Treatment Plant near a host of commercial and residential neighbors, including a high school immediately west of the plant. Plant managers were very forward ...
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Water treatment plant sludge disposal into stabilization ponds
Researchers have paid particular attention to the disposal of sludge produced in water treatment plants (WTPs) into wastewater treatment plants (WWTPs) for further processing, mainly because it is considered an attractive alternative for the treatment of waste generated in water production processes. This study evaluated the effects of flow equalization and disposal of sludge, from a ...
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