DEWATERING PRESS April, 2008 Client References

Table of Contents 1. Dairy Products Plant (Waste Activated Sludge) 2. Abattoir ( Dissolved-air Flotation Floss & Waste Activated Sludge ) 3. Chemical Plant ( Dissolved-air Flotation Floss & Waste Activated Sludge ) 4. Sewage Treatment Plant (Digested Sludge) 5. Sewage Treatment Plant (Direct from Oxidation Ditch) 6. Sewage Treatment Plant (Oxidation Ditch) 7. Automobile Wrecker (Chemically Precipitated) Designed by Hi-Rose

VOLUTE DEWATERING PRESS ： ES-131 Industrial Type Dairy Products Plant Sludge Type Waste Activated Sludge Volute Model ES-131 Sludge SS Concentration 13,600 mg/L Sludge Flow Rate 0.41 m 3 /h Polymer Adding Rate (vs DS) 0.9 % Throughput 5.3 kg-DS/h Cake Solid 19.3 % Recovery Ratio 95.0 % Reference Reference - Dairy Products Plant (Waste Activated Sludge) - Flow & Chart Chart Chart Aeration Tank Sedimentation Tank Thickening Tank Storage Tank Return Sludge WAS Flocculation Tank Dewatering Zone Sludge Cake Designed by Hi-Rose

VOLUTE DEWATERING PRESS ： ES-131 Industrial Type Abattoir Sludge Type Mix of DAF and WAS Volute Model ES-131 Sludge SS Concentration 12,400 mg/L Sludge Flow Rate 0.50 m 3 /h Polymer Adding Rate (vs DS) 1.0 % Throughput 6.0 kg-DS/h Cake Solid 17.9 % Recovery Ratio 96.7 % Reference Reference - Abattoir (Dissolved-air Flotation Floss & Waste Activated Sludge) - Flow & Chart Chart Chart Aeration Tank Flocculation Tank Sludge Cake Designed by Hi-Rose DAF Aeration Tank Sedimentation Tank Storage Tank Return Sludge WAS

VOLUTE DEWATERING PRESS ： ES-202 Industrial Type Chemical Plant Sludge Type Mix of DAF and WAS Volute Model ES-202 Sludge SS Concentration 75,000 mg/L Sludge Flow Rate 0.80 m 3 /h Polymer Adding Rate (vs DS) 1.0 % Throughput 53.9 kg-DS/h Cake Solid 29.0 % Recovery Ratio 90.0 % Reference Reference - Chemical Plant (Dissolved-air Flotation Floss & Waste Activated Sludge) - Flow & Chart Chart Chart DAF Aeration Tank Sedimentation Tank Storage Tank Return Sludge WAS Volute Flocculation Tank Sludge Cake Designed by Hi-Rose

VOLUTE DEWATERING PRESS ： ES-302 Industrial Type Sewage Treatment Plant Sludge Type Digested Sludge Model Belt Press (2m) Volute ES-202 Sludge SS Concentration (mg/L) 35,000 Sludge Flow Rate (m3/h) Polymer Adding Rate (vs DS) Throughput (Kg-DS) Cake Solid (%) Recovery Ratio (%) Reference Reference - Sewage Treatment Plant (Digested Sludge ) - Flow & Chart Chart (Comparison) Chart (Comparison) Primary Sedimentation Aeration Tank Secondary Sedimentation Storage Tank Return Sludge WAS Volute & Belt Press Dewatering Zone Sludge Cake Designed by Hi-Rose Thickener Digestion Tank

VOLUTE DEWATERING PRESS ： ES-201 Reference Reference - Sewage Treatment Plant (Direct from Oxidation Ditch) - Flow & Chart Chart Chart Oxidation Ditch Sedimentation Tank Storage Tank Return Sludge WAS Flocculation Tank Thickening Zone Sludge Cake Designed by Hi-Rose Thickening Tank Industrial Type Sewage Treatment Plant Sludge Type OD Sludge Volute Model ES-201 Sludge SS Concentration 4,100 mg/L Sludge Flow Rate 2.1 m 3 /h Polymer Adding Rate (vs DS) 1.5 % Throughput 8.5 kg-DS/h Cake Solid 19.6 % Recovery Ratio 98.7 %

VOLUTE DEWATERING PRESS ： ES-303 Reference Reference - Sewage Treatment Plant (Oxidation Ditch) - Flow & Chart Chart Chart Oxidation Ditch Sedimentation Tank Storage Tank Return Sludge WAS Flocculation Tank Volute Cylinder Sludge Cake Designed by Hi-Rose Thickening Tank Industrial Type Sewage Treatment Plant Sludge Type OD Sludge Volute Model ES-303 Sludge SS Concentration 32,400 mg/L Sludge Flow Rate 6.8 m 3 /h Polymer Adding Rate (vs DS) 0.6 % Throughput 203 kg-DS/h Cake Solid 19.1 % Recovery Ratio 90.1 %

VOLUTE DEWATERING PRESS ： ES-101 Reference Reference - Automobile Wrecker (Chemically Precipitated) - Flow & Chart Chart Chart Storage Tank Flow Control Tank Flocculation Tank Sludge Cake Designed by Hi-Rose Industrial Type Automobile Wrecker Sludge Type Chemically Precipitated Volute Model ES-101 Sludge SS Concentration 10,200 mg/L Sludge Flow Rate 0.2 m 3 /h Polymer Adding Rate (vs DS) 1.1 % Throughput 2.2 kg-DS/h Cake Solid 15.5 % Recovery Ratio 98.0 % Sedimentation Tank Reactor Tank

Private-Sector Facilities Food Manufacturing Processing Industry (Dairy Product, Soft Drink, Brewing, Mayonnaise, Souse, Confectionery, Bread, Meat, Fisheries, Noodle, Seasoning, Flour, Frozen Food, Sausage, Prepared Food, Slaughterhouse Others,,,) Chemical Industry (Industrial Chemicals, Cosmetic, Pharmaceutical, Textile, Others) Electronic Industry (printed circuit board, Others) Sewage Treatment Plant Quantity of Waster to be treated (1,000 ～ 10,000 m3/day) Rural Sewerage Project Others Livestock Industry Livestock Experimental Station Domestic Wastewater Treatment (Septic Tank, Buildings, Theme Parks) Others… Treatment Method Biological Treatment, Dissolved-air Flotation, Coagulating Sedimentation, Membrane Separation, Mixed Sludge, Oxidation Ditch, Concentrated Sludge, Digested Sludge, Mixed Raw Sludge, Others Note: Above charts are for your quick reference. Note: Please feel free to ask for further information. Other Applications… Quick Reference Quick Reference Type of Sludge Type of Industry Designed by Hi-Rose

Japan Japan Municipal Applications : 300 Industrial Applications : Nippa-cho, Kohoku-ku, Yokohama, Japan Tel: Fax: Website : Clients in overseas Australia, Canada, China, Czech Republic, Germany, Hong-Kong, Latvia, Netherlands, Russia, Slovakia, S. Korea, South Africa, Taiwan, Ukraine, USA, etc… Squeeze Sludge, Squeeze Cost !! VOLUTE Units Installed VOLUTE Units Installed Currently, 1020 units installed worldwide!! Overseas : 120 : 900 Designed by Hi-Rose Contact Us …