Toll Free: 888-870-3005 410-625-0808 1611 Bush Street, Baltimore, MD 21230, USA sales@dredge.com
Toll Free: 888-870-3005 410-625-0808 1611 Bush Street, Baltimore, MD 21230, USA sales@dredge.com

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Mining Sand and Gravel
Source: Chemical Processing The protection of the Shenandoah River and the reclamation of valuable zinc hydroxide were both achieved by Avtex Fibers, the nation’s largest producer of rayon fibers, through the use of a portable sediment remover. For years, Avtex had pumped zinc hydroxide, a by-product of their manufacturing process, into settling ponds surrounding the...
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Owner – Mineracao Taboca, Brazil PRINCIPAL PARTICULARS: PRINCIPAL PARTICULARS: “Stelinha V” “Stelinha VI” “B890E” Hull Size – length in feet 110′ 81′ 56 Maximum Digging Depth 36′ 26′ 21′ Suction Pipe Size – ID 16″ 14″ 10″ Discharge Pipe Size – ID 16″ 14″ 10″ Dredge Pump Horsepower 500 600 350 Excavator Horsepower 250 100...
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Source: World Dredging Mining & Construction Over the years a wide range of physical tests have been developed to allow prospective gold mining organizations to analyze various aspects of intended mine areas. These tests vary depending on the intended method of extraction. In the case of dredges, specifically wheel excavator equipped dredges, the following tests...
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Source: World Dredging Mining & Construction In a remote region of northwest China, mining of salts containing Mirabilite began in 1958, supporting a small village. The Xingjiang Salt Lake Chemical Plant, in China’s Xingjiang Province, is located about 70 km east of the city Urumqi. Mining was conducted initially with backhoes and fed a small...
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Ellicott® International sold a bucketwheel dredge to a Brazilian company for gold mining in the Amazon. Mineracao Trans Amazonica (MTA) placed the B890 “Wheel-Dragon™” dredge in service near the Paru River west of Jari in the vicinity of Monte Dorado, Brazil. MTA is an affiliate of North Brazilian Mining Corp., Ltd. of Hong Kong and Rio...
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Heavy mineral mining is made up of several individual stages or sequences of operation. These stages are described below in order of occurrence. Clearing Initially, all marketable timber is harvested from the immediate mining area. Stumps, undergrowth and remaining brush are then collected and piled by crawler tractors. This material is allowed to dry and...
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Source: World Dredging & Marine Construction Ellicott® custom-built hydraulic pipeline cutterhead dredges are being used increasingly in mining and aggregate operations ranging from coal to tin to aggregates. Coal Recovery In the coal fields of eastern Pennsylvania, coal fines once considered impractical to salvage were recovered by an Ellicott® suction cutterhead dredge. Because of the...
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Source: Highway & Heavy Construction Magazine Two large hydraulic dredges, teamed with smaller floating units and shore-based draglines, averaged about 60,000 cu.yd. of dredging per day while quickly clearing four miles of the ash-laden Cowlitz River following the eruption of Mt. St. Helens. But dismantling the big dredges, transporting them and reassembling and launching them...
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Source: Asia Pacific Mining Marcopper’s porphyry copper open pit mine is located near the geographic center of the island province of Marinduque in the Philippine archipelago. The 780 square kilometer island is 170 kilometers south of Manila. (Marcopper was until recently a subsidiary of Placer Dome.) Marcopper Mining Corporation was commissioned with a rated mill capacity...
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Source: International Dredging & Port Construction Principal particulars of the “COOLJARLOO I” Digging depth max 25 m, min 4.6 m Dredge pump Ellicott® 24 in. Pump horsepower 2,000 HP (1491 KW) Dry weight approx 2,700 tons Shore power supply 22,000V/3-ph/6047 Suction pipe diameter 23.52 in. Discharge pipe diameter 23.62 in. Total installed power 4,100 hp (3057...
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