Date post: | 15-Jan-2016 |
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Solid Wastes From the Beet Sugar Industry
List
Dirt **
Precipitated calcium carbonate **
Rocks
Weeds and beet tailings
Limekiln waste
Used oil **
Discarded beets **
List (continued)
Discarded pressed and wet pulp
Limekiln brick
Laboratory waste
Scrap metal
Trash
Ash **
Process Chemicals
Types of Disposal
Landfill
Recycle
Land application
Burn for energy
Beneficial Use
Return to Manufacturer
Minn-Dak Lime and Dirt Landfills
Fall Land Application of Mud Washed from Beets
Corn Crop on Application Land
Winter Pond Cleaning
Winter Land Application
Cropping for Nutrient Removal
Pumping out Ponds
Mixing the Pond Mud
Running Hose to Fields
Booster Pump
Injecting Pumped Mud in Field
Waste Oil Recycling
Soil Stabilization with Fly Ash
Boiler Ash Handling
Bottom Ash (Inert) To Minn-Dak landfill or
use as aggregate
Fly ash (Not Inert) To Holding area Used in soil stabilization
or trucked to commercial landfill
Briquette Manufacture
Komarek Briquetting Research inc Model B 100R roller
press 705 ft Lbs Roll Torque 8 Tons Roll Force
Briquetting Test Results
Test # Briquette Composition (%) PerformanceFly Ash Molasses Hydrated
LimeCrushing Force (Lbs)
Drop Height at Failure (ft)
1 86.5 10 3.5 81 5
2 82.0 13 5.0 183 6
3* 79.5 15 5.5 222 9Briquettes made and tests conducted by K.R. Komarek Briquetting Research inc, Komarek Briquetting Research inc, Annistion, AL
Test Burn in the Pulp Dryer
Larger briquette LWR Enterprises Waterford,
OH
147 ton Mixture 55 Tons of briquettes 92 Tons of Coal 7,029 BTU/Lb
3 Tons/hourDry 25 tons per hour of pressed pulp at 72% moisture
Ash Bed was Variable
Economics
As DoneSmall Briquettes
Small Briquettes and CSB
Value in BTU 15.51$ 18.80$ 18.80$ Avoided Disposal 35.00$ 35.00$ 35.00$ Total Value 50.51$ 53.80$ 53.80$
Variable Materials 16.95$ 16.95$ 9.45$ Variable Labor 3.33$ 3.33$ 3.33$ Total Varible Costs 20.28$ 20.28$ 12.78$
Net Value per Ton 30.22$ 33.51$ 41.01$
Total Tons 3000 3000 3000Annual Value 90,674$ 100,535$ 123,035$
Equipment Cost 450,000$ 450,000$ 450,000$ Simple Payback (Years) 4.96 4.48 3.66
Required Permits
LandfillHazardous Waste Storage Disposal
Beneficial use Land application Construction
materials
Recycling
Required Permits
Pollution Reduction
Total cost accounting
Energy efficiency
Lower water usage
Markets for waste products
New technology
Questions?