Stone Food Machinery Ltd 14 North Main Street Wexford IRELAND Tel

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1 Stone Food Machinery Ltd 14 North Main Street Wexford IRELAND Tel Copyright

2 Overview of Volute Dewatering Press Flow Control Tank Flocculating Tank Volute Cylinder Rinsing Shower Polymer Tank Bio Reactor Tank or Sludge Storage Tank Filtrate Sludge Cake Copyright

3 Volute Structure Clog-free Screw Press Moving Rings are pushed up and down by Screw Moving Rings clean out the gaps Filtrate goes through the gaps smoothly Moving Ring Fixed Ring Copyright

4 ES-100 model Volute Cylinders ES-200 model Wide The pitch of the screw Narrow Copyright

5 Technological advantages Clog-free structure Very little water use No problem with oil-bearing sludges (DAF sludge) Stable operation 24-hour unattended operation is possible Easy maintenance Built-in thickening zone Inlet solids content 0.2% or higher Outlet solids content 15-25% Low operational cost Electricity as low as 0.2kWh Very small footprint Low noise & vibration Wide product line-up ES-131 model Copyright

6 Quick Facts More than 1330 units installed worldwide 980 units in Japan 350 units in more than 26 countries Among the above, 10% are installed in Pig Farms and another 15% in Slaughterhouses. Other applications: Municipal WWTP, WTP, septic tanks, food processing plants, chemical plants, electronics plants, commercial buildings, etc. Copyright

7 Wastewater From Stockyard JAPANESE-Livestock Waste Law Pig farm larger than 50 Cattle farm larger than 200 Horse farm larger than more than 50 /day of wastewater Item ph BOD COD SS Phosphorus Nitrogen Standard mg/L 160mg/L 200mg/L 16mg/L 120mg/L Copyright

8 Where Volute is Applied Pig houses Raw manure tank Screen Equalization tank Sequencing Batch Reactor Tank Waste Activated Sludge Slurry tank (raw manure) Sludge storage tank Tertiary treatment Copyright

9 Reference in Pig Farm A Volute Mode: ES-302 Sludge: Waste activated sludge Inlet solids: 4.9% Outlet solids: 26.2% Flow Rate: 2.1m3/hr Throughput: 94.6kg-DS Solids capture rate: 92% Polymer adding rate: 0.8% of 1 kg-ds Copyright

10 Reference in Pig Farm B Volute Mode: ES-132 Sludge: Waste activated sludge Inlet solids: 0.84% Outlet solids: 22.2% Flow Rate: 1.45m3/hr Throughput: 11.2kg-DS Solids capture rate: 92% Polymer adding rate: 1% of 1 kg-ds Copyright

11 Reference in Pig Farm C Volute Mode: ES-303 Sludge: Waste activated sludge + Raw manure Inlet solids: 2.25% Outlet solids: 30% Flow Rate: 9.5m3/hr Throughput: 192kg-DS Solids capture rate: 90% Polymer adding rate: 0.54% of 1 kg-ds Copyright

12 Why farmers choose Volute 1. Very easy operation and maintenance Easy operation and maintenance saves a lot of time for farmers. 2. Very little water use Many of the farms in Japan are located in an isolated place where water supply is very limited. 3. Small footprint Compact design of Volute fits in most existing facilities without building expansion. 4. Reliability & Repeatability Copyright

13 Product Lineup From 1kg-DS/h to 270kg-DS/h Choose from 10 different sizes 1kg-DS/h 2 5kg-DS/h 4 9kg-DS/h 8 18kg-DS/h 12 30kg-DS/h 18 50kg-DS/h kg-DS/h kg-DS/h kg-DS/h kg-DS/h Copyright

14 Our Our Test Test Machine Machine is is always always available available Copyright

15 Thank you for your time and attention. If you would like to use our Test Unit on your Sludge Please contact us STONE FOOD MACHINERY LTD 14 North Main Street Wexford, IRELAND Tel: Mobiles- Eoin Val Web: Copyright