Dott. Fabiano Campi - TECHNICAL MANAGERDott. Ruggero Maria Cavallino - TECHNICAL SUPPORT

Dott. Stephen Cavallino - CFO

Chemical–Physical-Mechanical treatment for the transformation of organic biomass (Sewage Sludges)

in fertilizer (Biosolid)&

Suitable Plant for the transformation of organic biomass (Sewage Sludges) in fertilizer (Biosolid).

Brevet Number : BO2012A000002 / 04.01.2012

Sewage Sludge (Waste) D.Lgs 99/1992Fertilizer D.Lgs 75/2010 Biosolid 40 CFR Part 503

Set of Chemical, Mechanical and Physical operations

Legal Framework

Biosolid

Organic Biomass(Sewage Sludge)

Fertilizer,Biosolid

1) Basic Hydrolysis (time 10’ -15’)Waste (H2O + Dry Mass) + CaO --> Ca(OH)2

2) Sulfuric Acid Attack (Instantaneous) Ca(OH)2 + H2 SO4 --> CaSO4 + H2O

3) Zeolites Addition, Heavy Metals adsorption

Calcium Oxide(CaO)

Sewage Sludges

Zeolites Fertilizer, Biosolid

Sulphuric Acid (H2SO4)

No discharges into sewer Atmosferic emission of only water (g)

Environmentally respectful

Reaction Reactor

Sulphuric Acid (H2SO4)

Calcium Oxide(CaO)Zeolite

s

Scrubber

…decrease of bad odors and Heavy Metals, due to Zeolites proprieties

PARAMETERS UNIT OF MEASURE RESULTS METHODS

Hydrogen Sulfide (H2S) mg/m3 < 0.2 NIOSH 6013:1994

Ammonia (NH3) mg/m3 2.6NIOSH

6016:1994+UNICHM M.U 632:1994

Mercaptans (CH3SH) mg/m3 < 0.2 NIOSH 2542:1994Methans (CH4) mg/m3 < 0.1 EPA 3C:2000

PARAMETERS UNIT OF MEASURE RESULTS METHODS

Hydrogen Sulfide (H2S) mg/m3 < 0.2 NIOSH 6013:1994

Ammonia (NH3) mg/m3 0.2NIOSH

6016:1994+UNICHM M.U 632:1994

Mercaptans (CH3SH) mg/m3 < 0.2 NIOSH 2542:1994Methans (CH4) mg/m3 < 0.1 EPA 3C:2000

Sewage Sludges

As-Received

Biosolid

Agrifer Ambiente

Cadmium (mg/Kg s.s.)

Lead (mg/Kg s.s.)

Nickel (mg/Kg s.s.)Zinc (mg/Kg s.s.)

Copper (mg/Kg s.s.)

Agrifer Ambiente

UE Examples

RED: Italian ThresholdGREEN: Swiss Threshold

BIOSOLID Trade name: Biozeolid

Environmentally friendly and Agriculturally respectful

Macro-Elements

K ≥ 1,3 mg/Kg Dry MassCa ≥ 1,6 mg/Kg Dry MassP ≥ 1,2 mg/Kg Dry MassMg ≥ 1,1 mg/Kg Dry MassN ≥ 1 mg/Kg Dry Mass

Micro-Elements

Zn ≥ 0,8 mg/Kg Dry Mass Mn ≥ 0,5 mg/Kg Dry Mass Fe ≥ 0,9 mg/Kg Dry Mass Na ≥ 1 mg/Kg Dry Mass

Nutritive Elements

Special Non-Hazardous Waste derived from urban waste water

✓Obtaining fertilizer from a waste ‘as-received✓Fully bio-natural✓Brings lots of Organic Material and more✓Bring lots of great elements as K & P for a good development of

the radical apparatus✓It’s a valid alternative to the other chemical fertilizers. Since it’s

a “Liming Material” Fertilizer and not a Soil Amended, it doesn’t require the counting of N

✓Alkalinity Soil Correction✓Very Low concentration of Heavy Metals compared to the initial

SS as-received✓Elimination of bad odors✓The concentration of Micro pollutants, inside the solution, after

the treatment, is below the detection limit✓Use of CaO for the elimination of Salmonella bacteria

PROs of BIOZEOLID BIOSOLIDS