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FloridaFlorida BiosolidsBiosolids:: A Renewable ResourceA Renewable Resource For A Sustainable FloridaFor A Sustainable Florida
Amir A. Varshovi, Ph.D.Amir A. Varshovi, Ph.D.
GreenTechnologies, LLCGreenTechnologies, LLCGainesville, FLGainesville, FL
A Presentation to: Sierra ClubA Presentation to: Sierra Club
Gainesville, FLGainesville, FLApril 3, 2008April 3, 2008
AcknowledgementAcknowledgement::
Partnerships:Partnerships:
Jacksonville Electric Authority Jacksonville Electric Authority ((JEAJEA))
City of JacksonvilleCity of Jacksonville
AcknowledgementAcknowledgement::
Business Partners:Business Partners:
Florida Golf Course SuperintendentsFlorida Golf Course Superintendents Florida Fertilizer IndustryFlorida Fertilizer Industry City of JacksonvilleCity of Jacksonville ACEACE HardwareHardware Independent Garden CentersIndependent Garden Centers
GreenTechnologies, LLCGreenTechnologies, LLCThe Company:The Company:
* A Florida corporation,* A Florida corporation,
* Process and product development* Process and product development
for utilization of renewable for utilization of renewable resources,resources,
* Market development * Market development
Renewable Resource UtilizationRenewable Resource Utilization
In 1999, GreenTechnologies In 1999, GreenTechnologies developed a value added process to developed a value added process to advance nutrient recycling.advance nutrient recycling.
GreenEdgeGreenEdge®®
Patent No. US 6,852,142 B2Patent No. US 6,852,142 B2
And other patents pendingAnd other patents pending
What is Biosolids?What is Biosolids?
Biosolids are nutrient rich organic Biosolids are nutrient rich organic by-product of reclaimed water by-product of reclaimed water treatment process. treatment process.
Florida Production:300,000 Dry Tons of Biosolids Annually
Land Application: 66%Marketing: 17%Landfill: 17%
Total Production:7 Million Dry Tons of
Biosolids Annually In U.S.
Recycled: 54%
Landfill: 18%
Incinerated:19%
Other: 9%
JEA
GreenEdgeGreenEdge®®:: Benefits: Benefits:
Saves Water & EnergySaves Water & Energy Adds organic matter to our Adds organic matter to our
sandy soils sandy soils Increases water and nutrient Increases water and nutrient
retention in the soilretention in the soil Saves landfill space and Saves landfill space and
disposal cost disposal cost
Florida Farms and Acreage:Florida Farms and Acreage:
1954: 58000 (19 M Ac) 2004: 43000 (10 M Ac)1954: 58000 (19 M Ac) 2004: 43000 (10 M Ac)
0
10
20
30
40
50
60
1954 1964 1974 1984 1994 2004
Farms x1000 Acres x M
Florida Farmland UtilizationFlorida Farmland Utilization (2002)(2002)
Com. Forest: 12 Farm: 10.4 Urban/ Industrial: 10Com. Forest: 12 Farm: 10.4 Urban/ Industrial: 10
0
2
4
6
8
10
12
C Forest Farm Urban/Ind Range Woodland PubForest
Citrus Pasture Crops
T= 35 M Ac
Fl Fertilizer Tonnage ReportFl Fertilizer Tonnage Report2005/20062005/2006
0
0.5
1
1.5
2
Total Farm Non Farm
Fertilizer Tonnage MT
T x M
0
20
40
60
80
100
120
140
160
180
Alachua Collier Dade Hillsbrough Palm Beach
Farm Non Farm
Fertilizer Use By County (2005)
T x 1000
0
5
10
15
20
25
30
35
40
45
Duval Broward Lee Orange Pinellas Sarasota
Farm Non Farm
Fertilizer Use By County (2005)
T x 1000