
LIGNITE REMOVAL

EFFECTIVE REMOVAL OF LIGNITE
When lignite, or “brown coal”, is present in deposits of sand and gravel it poses a significant challenge. Lignite compromises the final quality and commercial value of sand and aggregate products, so its removal is crucial. CDE’s specialist wet processing plants allow for the efficient removal of lignite contamination from sand & gravel or rock deposits.
Where a deposit is contaminated with lignite the sand and aggregates will not be suitable for a range of construction applications such as concrete sand and plastering sand.
Effective removal of lignite contamination can be achieved with our Counter Flow Classification Unit (CFCU). This provides a means of density separation and its basic operation involves floating the lighter lignite particles off the top while the sand product (being heavier than lignite) sinks to the bottom of the tank before being discharged to the integrated dewatering screen.
In the majority of cases, lignite contamination is dealt with at the sand washing stage. Due to its brittle nature it is broken up into particles at the lower end of the sizing scale. If, however, there is lignite contamination within the aggregate fraction we can also introduce an attrition system or logwasher.
The configuration of the processing system required is entirely dependent on the level of lignite contamination, which can vary extensively depending on the geology of the deposit.
The design and delivery of the optimum lignite removal plant for your operation involves extensive material testing to ensure suitable equipment is specified.

Tonnage 250tph
Material C&D Waste
Output 0-2mm & 0-4mm recycled sand | 4-10mm & 10-20mm recycled aggregates

Tonnage 120tph
Material Claybound Aggregates, Sand & Gravel
Output 0-4mm, 5-10mm, 10-20mm & +20 mm sand
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Tonnage 120tph
Material Claybound Aggregates, Sand & Gravel
Output 0-3mm building sand, 3-5mm concrete sand, 5-25mm aggregate and +25mm aggregate

Tonnage 150tph
Material Claybound Aggregates, Crushed Rock, Limestone, Sand & Gravel
Output 2 Sands | 2 Aggregates

Tonnage 130tph
Material Crushed Rock, Sand & Gravel
Output 0-2mm Sand | 2-8mm, 8-16mm & 16-32mm Aggregates

Tonnage 140tph
Material Sand & Gravel
Output 0-63micron sludge, 0-2mm sand, 2-8mm sand, 8-32mm aggregates, +32mm aggregates

Tonnage 100tph
Material Sand & Gravel
Output Washed sand, 6-8mm & 8-12mm aggregates

Tonnage 150tph
Material Claybound Aggregates, Crushed Rock, Limestone, Sand & Gravel
Output 63µm-2mm, 2-5mm, 5-16mm, +16mm
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Tonnage 225tph
Material Limestone, Sand & Gravel
Output 2 Washed Sands & 5 Washed Aggregates

Tonnage 150tph
Material Sand & Gravel
Output 0-1mm fine sand 0-8mm product

Tonnage 250tph
Material Sand & Gravel
Output 5mm sand

Tonnage 250tph
Material C&D Waste, Non Hazardous Soils, Sports Sands
Output 3 Sands | 7 Aggregates | Filter Cake

Volume 360m3/hr
Material Sludge Dewatering
Output Rag and Grit material

Tonnage 160tph
Material C&D Waste, Excavation Waste, Non Hazardous Soils
Output 1 Sand | 3 Aggregates | Filter Cake

Tonnage 300tph
Material C&D Waste, Excavation Waste, Quarry Waste
Output 2 Sands | 4 Aggregates | Filter Cake

Tonnage 10tph
Material Road Sweepings & Gully Waste
Output 1 Sand | 2 Aggregates | Filter Cake

Tonnage 80tph
Material Contaminated Soils
Output Sand | Aggregates | Filter Cake

Tonnage 450tph
Material Sand & Gravel
Output 5mm sand

Tonnage 75tph
Material Sand & Gravel, Quarry Waste, Crushed Rock
Output fine sand (0 – 1.5mm) | coarse sand (0 – 5mm)

Tonnage 50tph
Material Sand & Gravel
Output High quality construction sand

Tonnage 150tph
Material Sand & Gravel
Output Sand grade of 0/2mm with less than 5% fines.

Tonnage 110tph
Material C&D Waste, Crushed Concrete
Output 1 Sand (-5mm) | 2 Aggregates (5-10mm, 10-20mm)

Tonnage 250tph
Material Contaminated Soils, C&D Waste
Output 2 Sands | 3 Aggregates

Tonnage 160tph
Material C&D Waste, Excavation Waste, Non Hazardous Soils
Output 2 Sands | 4 Aggregates

Tonnage 10tph
Material Road Sweepings & Gully Waste
Output 1 Sand | 2 Aggregates | Filter Cake
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Tonnage 200tph
Material Sand & Gravel, Silica Sands, Sports Sands, Ultra Fines Recovery
Output Ultrafine (30-150 microns) | Glass Sand (150-650 microns) | Coarse Sand | (650 microns-3mm) | Oversize (3mm)

Tonnage 70tph
Material Phosphate
Output Premium 35% P2O5 | Ultra-low Cadmium Phosphate Rock Concentrate

Tonnage 30tph
Material Sand & Gravel, Claybound Aggregates
Output Fine sand recovery with an efficient cut at 63um

Tonnage 950tph
Material Iron Ore
Output Iron Ore (silica and alumina reduced from feed material increasing Fe content to over 60%)

Tonnage 140tph
Material Silica Sands
Output 7 Specialist Sand Fractions

Tonnage 100tph
Material Sand & Gravel, Silica Sands
Output 7 Specialist Sand Fractions | +99% Silica Sand

Tonnage 175tph
Material Claybound Aggregates, Silica Sands, Sand & Gravel
Output 7 Sized Sands & Aggregates

Tonnage 400tph
Material Sand & Gravel, Claybound Aggregates
Output 0 – 2mm building sand | 0-4mm coarse sand | 4 – 10mm gravel | 10 – 20mm gravel | 20 – 40mm gravel | +50mm oversize

Tonnage 120tph
Material Sand & Gravel, Claybound Aggregates, Crushed Rock, Quarry Waste
Output +50mm Oversize | 25 – 50mm Aggregate | 12-25mm Aggregate | 6-12mm Aggregate | 0-6mm Sand | 0-3mm Sand

Volume 15 l/s
Material Digester & Tank Cleaning
Output Dewatered Grit

Volume 15 l/s
Material Sludge Dewatering
Output Rag and Grit Material

Tonnage 150tph
Material Sand & Gravel, Claybound Aggregates, Limestone, Crushed Rock
Output Washed Sand & Aggregates

Tonnage 25tph
Material Road Sweepings & Gully Waste
Output 1 Sand | 2 Aggregates | Filter Cake | Washed Organics

Tonnage 150tph
Material C&D Waste
Output 2 Sands | 3 Sized & 1 Oversized Aggregates | Filter Cake

Tonnage 150tph
Material C&D Waste
Output Fine Sand | Coarse Sand | Filter Cake

Tonnage 100tph
Material C&D Waste, Excavation Waste
Output Recycled Sand & Aggregates

Tonnage 150tph
Material C&D Waste, Non Hazardous Soils
Output Recycled Sand & Aggregates

Tonnage 120tph
Material C&D Waste
Output 2 Sands | 3 Sized & 1 Oversized Aggregates | Filter Cake

Tonnage 120tph
Material C&D Waste, Excavation Waste, Non Hazardous Soils
Output 2 Sands | 4 Sized Aggregates | Filter Cake

Tonnage 135tph
Material C&D Waste, Excavation Waste
Output 2 Sands | 3 Sized & 1 Oversized Aggregates | Filter Cake

Tonnage 80tph
Material C&D Waste, Excavation Waste
Output 2 Sands | 3 Sized & 1 Oversized Aggregates

Tonnage 25tph
Material Road Sweepings & Gully Waste
Output 2 Sands | 4 Aggregates

Tonnage 120tph
Material Excavation Waste, Non Hazardous Soils, C&D Waste
Output 2 Sands | 3 Sized & 1 Oversized Aggregates

Tonnage 220tph
Material Claybound Aggregates, Limestone, Quarry Waste, Crushed Rock, Sand & Gravel
Output 0 - 5mm | 5 - 10mm | 10 - 20mm | 20 - 90mm | +90mm

Tonnage 25tph
Material Road Sweepings & Gully Waste, Trommel Fines
Output Recycled Sand & Aggregates

Tonnage 3.5tph
Material Road Sweepings & Gully Waste
Output 1 Sand | 2 Aggregates | Filter Cake

Tonnage 25tph
Material Road Sweepings & Gully Waste, Waste Glass Washing
Output 0-4mm Clean Sand & Grit

Tonnage 15tph
Material Road Sweepings & Gully Waste
Output 0-4mm Clean Sand & Grit

Tonnage 50tph
Material Road Sweepings & Gully Waste
Output 1 Sands | 2 Aggregates

Tonnage 10tph
Material Road Sweepings & Gully Waste
Output 0-4mm Fine Aggregate & 5-40mm Aggregates

Tonnage 10tph
Material Road Sweepings & Gully Waste
Output 0-4mm & 5-40mm Aggregates

Tonnage 10tph
Material Road Sweepings & Gully Waste
Output 0-4mm & 5-40mm Aggregates

Tonnage 25tph
Material Road Sweepings & Gully Waste
Output 0-4mm & 5-40mm Aggregates

Volume 235 m3/h
Material Sludge Dewatering, Digester & Tank Cleaning
Output Grit and Rag

Volume 170 m3/h
Material Digester & Tank Cleaning, Sludge Dewatering
Output High Quality Sludge, Grit & Rag

Volume 170 m3/h
Material Sludge Dewatering, Digester & Tank Cleaning
Output High Quality Sludge, Grit & Rag

Volume 290 m3/h
Material Sludge Dewatering, Digester & Tank Cleaning
Output High Quality Sludge Products

Volume 120 m3/h
Material Sludge Dewatering
Output High Quality Sludge, Grit & Rag

Volume 120 m3/h
Material Sludge Dewatering
Output High Quality Sludge Products

Volume 120 m3/h
Material Sludge Dewatering
Output High Quality Sludge, Grit & Rag

Volume 240 m3/h
Material Sludge Dewatering
Output High Quality Sludge, Grit & Rag

Volume 240 m3/h
Material Sludge Dewatering, Digester & Tank Cleaning
Output High Quality Sludge, Grit & Rag

Volume 240 m3/h
Material Sludge Dewatering, Digester & Tank Cleaning
Output High Quality Sludge, Grit & Rag

Volume 120 m3/h
Material Sludge Dewatering
Output High Quality Sludge, Grit & Rag

Volume 120 m3/h
Material Sludge Dewatering
Output High Quality Sludge Products

Tonnage 10tph
Material Filter Sands
Output High Quality Filter Sands

Tonnage 30tph
Material Trommel Fines
Output 0-2mm Concrete Sand | 0-4mm Building Sand

Tonnage 70tph
Material C&D Waste, Excavation Waste
Output 2 Sands | 3 Aggregates

Tonnage 150tph
Material C&D Waste
Output 2 Sands | 3 Sized & 2 Oversized Aggregates
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Tonnage 100tph
Material Crushed Concrete, Crushed Rock, Quarry Waste, Sand & Gravel
Output 3 washed products: 0-4mm | 5 - 20mm | +20mm

Tonnage 170tph
Material Lignite Removal, Sand & Gravel
Output 6mm sand | 10mm & 20mm aggregate

Tonnage 200tph
Material Quarry Waste, Limestone, Crushed Rock, Sand & Gravel, Manufactured Sands
Output 2 Sands | 3 Aggregates

Tonnage 225tph
Material Sand & Gravel
Output 0-1mm building sand | 0-5mm concrete sand | 10mm, 20mm & 40mm gravel

Tonnage 90tph
Material Sand & Gravel
Output Washed Sand & Aggregates

Tonnage 80tph
Material C&D Waste, Railway Ballast
Output 2 Sands | 4 Aggregates

Tonnage 110
Material Crushed Concrete
Output 3 Sands | 3 Aggregates

Tonnage 345tph
Material Crushed Concrete, Sand & Gravel
Output 2 Sands (NCDOT 2S Concrete Sand & a Fine Sand) | 2 aggregates (oversize & ¼” stone)

Tonnage 60tph
Material Sand & Gravel
Output G5, G6, G7, Top Soil, Building Sand, River Sand & Plaster Sand

Tonnage 345tph
Material Claybound Aggregates, Crushed Rock, Sand & Gravel, Manufactured Sands
Output 3/4 inch minus | 3/8 chip | No.4 manufactured sand

Tonnage 200tph
Material Sand & Gravel
Output Concrete Sand

Tonnage 500tph
Material Sand & Gravel
Output C-33 spec | Mason sand | Chip products

Tonnage 400tph
Material Sand & Gravel
Output B, D, and F Rock | #200 fines | M-Sand

Tonnage 130tph
Material Sand & Gravel
Output 0-1mm fine sand

Tonnage 240tph
Material Sand & Gravel, Limestone, Crushed Rock
Output C-33 Concrete Sand & Mason Sand

Tonnage 450tph
Material Sand & Gravel, Manufactured Sands
Output 1¼+ oversize aggregates | 1¼ - #4 washed #57 stone | 4 - 8 mesh grit | C33 concrete sand

Tonnage 90tph
Material Other Minerals & Ores, Alluvial Gold
Output Alluvial Mining of Precious Metals

Tonnage 120tph
Material Sand & Gravel, Claybound Aggregates, Dredged Sands, Other Sand & Aggregates
Output 0-5mm washed concrete sand product.

Tonnage 250tph
Material Sand & Gravel, Claybound Aggregates, Limestone, Crushed Rock, Quarry Waste
Output 2.4mm to 6mm | concrete sand | 63 micron to 2.4mm sand product | 63 micron to 1.2mm washed sand

Tonnage 250tph
Material Claybound Aggregates, Sand & Gravel, Limestone, Crushed Rock
Output C-33 spec sand
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Tonnage 100tph
Material Frac Sands
Output 30-120 mesh frac sand

Tonnage 50tph
Material Sports Sands, Sand & Gravel
Output #30 cut - #140 golf sand

Tonnage 350tph
Material Claybound Aggregates, Sports Sands, Sand & Gravel
Output C33 concrete sand | #8 pea gravel | #57 gravel | ASTM 144 masonry sand | asphalt sand

Tonnage 120TPH
Material Sand & Gravel, Claybound Aggregates, Quarry Waste
Output 0-6mm Sand

Tonnage 200tph
Material Sand & Gravel
Output Washed 0 – ¼” sand | Washed 0 - #8 sand

Tonnage 80tph
Material Sand & Gravel
Output 0-2mm building sand | 0-4mm concrete sand | 4-10mm, 10-20mm and 20-40mm washed aggregates | +40mm oversize aggregate

Tonnage 150tph
Material Lignite Removal, Sand & Gravel
Output 0-5mm washed sand | 5-60mm washed aggregates | 60mm+ oversize

Tonnage 150tph
Material Sand & Gravel, Limestone, Crushed Rock
Output High quality concrete sand

Tonnage 180tph
Material Claybound Aggregates, Limestone, Crushed Rock, Sand & Gravel
Output 3 Sands | 4 Aggregates | +90mm Oversize

Tonnage 450tph
Material Sand & Gravel
Output 0-5mm washed sand | 0-5mm washed concrete sand

Tonnage 250tph
Material Iron Ore, Other Minerals & Ores
Output +58% Fe Iron Ore

Tonnage 50tph
Material Other Sand & Aggregates, Sand & Gravel
Output Plaster sand

Tonnage 500tph
Material Sand & Gravel
Output Aggregates: +80mm | 20-80mm | 12-20mm | 6-12mm | 4-6mm | Sand: 0-4mm | residual fine sand

Tonnage 80tph
Material Sports Sands, Sand & Gravel
Output Sports Sand & Washed Gravel

Tonnage 150tph
Material Sand & Gravel, Dredged Sands
Output In-spec concrete sand

Tonnage 150tph
Material Limestone, Crushed Rock, Sand & Gravel
Output 0-4mm sand | 4-15m, 15-22mm, +22mm aggregates

Tonnage 250tph
Material Crushed Rock, Quarry Waste, Limestone, Sand & Gravel
Output Concrete sand | 40-50mm, 20-40mm, 14-20mm and 5-14mm aggregates

Tonnage 120tph
Material Sand & Gravel, Sports Sands
Output USPGA sand | Medium fine sand | Pond sand

Tonnage 150tph
Material Sand & Gravel
Output 10mm & 20mm Aggregates | Concrete Sand | Washed Oversize

Tonnage 180tph
Material Sand & Gravel
Output 5 – 10mm, 10 – 20 mm & +20mm aggregates | coarse sand | fine sand

Tonnage 100
Material Limestone, Claybound Aggregates, Sand & Gravel
Output Concrete Sand & 4 Washed Aggregates

Tonnage 100tph
Material Limestone, Quarry Waste, Crushed Rock, Manufactured Sands, Sand & Gravel
Output 20mm, 10mm and sand for the concrete mix

Tonnage 300tph
Material Sand & Gravel
Output 3 x aggregates: 20mm, 10mm and 6mm chips | 2 x sands: concrete sand and building sand

Tonnage 480tph
Material Lignite Removal
Output 2 Sands | 2 Aggregates

Tonnage 100tph
Material Sand & Gravel, Sports Sands
Output In-spec golf sand | Oversize, 20mm, 10mm | 6mm aggregates

Tonnage 200tph
Material C&D Waste, Excavation Waste, Railway Ballast
Output 2 Sands | 5 Aggregates

Tonnage 50tph
Material Hydro Excavation Waste, Road Sweepings & Gully Waste
Output Recycled Sand & Aggregates

Tonnage 300tph
Material Claybound Aggregates, Limestone, Crushed Rock, Manufactured Sands, Sand & Gravel
Output 1 Sand & 5 Aggregates

Tonnage 50tph
Material C&D Waste, Excavation Waste, Contaminated Soils, Road Sweepings & Gully Waste
Output Recycled Sand & Aggregates

Tonnage 135tph
Material C&D Waste, Excavation Waste, Non Hazardous Soils, Road Sweepings & Gully Waste
Output 0-250um, 0-2mm and 0-4mm Sand | 4-10mm, 10-20mm +20mm Aggregates

Tonnage 300tph
Material Sand & Gravel, Quarry Waste, Crushed Rock, Manufactured Sands
Output 0-0.6mm and 0.6mm-2.5mm Sand & C33 Man Sands | 2.5mm-5mm Aggregate | Filter Cake

Tonnage 50tph
Material Contaminated Soils, C&D Waste
Output 0-2mm Sand | Oversize Aggregates | Filter Cake

Tonnage 20tph
Material Contaminated Soils, Hydro Excavation Waste
Output 0-#4 Sand | +#4 Aggregates

Tonnage 140tph
Material Mine Tailings, Sand & Gravel, Manufactured Sands
Output Washed Sand & Aggregates

Tonnage 75ph
Material Silica Sands
Output 0-600 micron silica sand

Tonnage 150-200tph
Material Crushed Rock, Limestone, Manufactured Sands, Quarry Waste, Sand & Gravel
Output 0-2mm Fine Sand | 2-4mm Sand | 4-16mm Aggregate

Tonnage 350tph
Material Dredged Sands
Output 0 to 400μm | 0-4mm | 4-22mm | 22-45mm

Tonnage 120tph
Material Limestone, Sand & Gravel
Output 0-4mm Sand | 4-10mm & 10-20mm Aggregates

Tonnage 1200tph
Material Sand & Gravel
Output Washed Sand & Aggregates

Tonnage 200tph
Material Sand & Gravel, Sports Sands
Output 3 Sands | 2 Aggregates

Tonnage 200tph
Material Limestone
Output 0-4mm, 4-8mm, 8-16mm, 16-32mm and +32mm to be crushed

Tonnage 100tph
Material Sand & Gravel
Output 0-2mm, 0-4mm, 4-8mm, 8-16mm and 16-32mm

Tonnage 100tph
Material Crushed Rock, Limestone, Manufactured Sands, Sand & Gravel
Output 0-4mm Sand | 0-4mm Man Sand | 4-8mm and 8-20mm Grit

Tonnage up to 50tph
Material Claybound Aggregates, Sand & Gravel, Crushed Rock
Output 0-2mm and 0-6mm Washed Sand

Tonnage 100tph
Material Crushed Rock, Quarry Waste
Output Washed Sand & Aggregates

Tonnage 250tph
Material Sand & Gravel, C&D Waste
Output 2 Sands | 3 Aggregates

Tonnage 120tph
Material Sand & Gravel
Output Washed Sand & Aggregates

Tonnage 250tph
Material Dredged Sands, Lignite Removal, Sand & Gravel
Output 2 Sands

Tonnage 50tph
Material C&D Waste, Trommel Fines
Output Recycled Sand & Aggregates

Tonnage 60tph
Material Hydro Excavation Waste
Output Recycled Sand & Aggregates - 0.075-5mm Sand & +5mm Oversize Aggregate

Tonnage 100tph
Material Manufactured Sands, Sand & Gravel
Output Washed Man Sands

Tonnage 120tph
Material Frac Sands
Output 30-70# and 70-140 Frac Sands

Tonnage 250tph
Material C&D Waste, Claybound Aggregates, Dredged Sands, Excavation Waste, Road Sweepings & Gully Waste, Water Recycling
Output C33 Concrete Sand | #3, #8 & #57 Stone

Tonnage 50tph
Material C&D Waste, Contaminated Soils, Hydro Excavation Waste, Non Hazardous Soils, Road Sweepings & Gully Waste, Waste Glass Washing
Output 0-0.3mm & 0-4mm Recycled Sand | 5-20mm, 20-40mm & 40-80mm Recycled Aggregates

Tonnage 40tph
Material Contaminated Soils, Dredged Sands, Hydro Excavation Waste, Non Hazardous Soils, Road Sweepings & Gully Waste
Output 4" minus rock | Oversize rock | Pea gravel | Sand | Clay for capping

Tonnage 200tph
Material C&D Waste, Excavation Waste, Hydro Excavation Waste, Non Hazardous Soils
Output 0-5mm Washed Sand | 5-20mm, 20-400mm & 40-800mm Washed Aggregates

Tonnage 70tph
Material Sand & Gravel
Output 0-5mm coarse sand | 0-8mm grit

Tonnage 80tph
Material C&D Waste, Excavation Waste
Output 0-2mm & 0-4mm sand | 4-10mm, 10-16mm, & 16mm+ aggregates

Tonnage 200tph
Material C&D Waste
Output 0-2mm and 0-4mm sands | 10mm, 10-20mm, 20-40mm and an oversized aggregate | filter cake

Tonnage 250tph
Material C&D Waste
Output #4 minus sand, 3/8”-1” aggregate & 4 – 3/8” aggregates

Tonnage 80tph
Material C&D Waste, Crushed Concrete, Excavation Waste
Output 0-2mm | 0-4mm | 4-16mm | 16-24mm | 24-80mm | +80mm oversize Filter cake

Tonnage 80tph
Material C&D Waste, Excavation Waste
Output 0-1 mm & 0-4mm sands | 4-16mm, 16-20mm, 22-80 mm & +80 mm oversized aggregates | filter cake

Tonnage 200tph
Material Sand & Gravel
Output 0-3mm & 3-5mm Sand | 5-8mm, 8-75mm, 10-14mm, 20-75mm & +75mm Aggregates

Tonnage 45tph
Material Ultra Fines Recovery
Output Mason Sand

Tonnage 400tph
Material Sand & Gravel
Output Construction sand

Tonnage 120tph
Material C&D Waste
Output Four aggregates: 6-10mm, 10-20mm, 20-40mm, 40-80mm | 0-2mm sand | 0-4mm grit

Tonnage 40tph
Material Hydro Excavation Waste
Output 3 aggregates | 2 sands

Tonnage 250tph
Material C&D Waste, Contaminated Soils
Output 0-1mm fine sands | 0-4mm coarse sands | 4-10mm undersize, 10-20mm midsize | 20-40mm oversize | 40-100mm oversize | >100mm oversize aggregates

Higher Quality Sand Production
The introduction of our lignite removal washing equipment will typically involve the production of a number of different sand specifications:
- Concrete sand (coarse)
- Building/plastering sand (fine)
- Cable sand (ultra fine)
