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R.I.S.A. Srl
Ricerca Ingegneria Sviluppo Ambiente
Research
Engineering
Development
Environment
Research and scientific
know-hows
• bench-top and pilot plants design and
advanced analytic technologies know-how;
• studying the modeling and automation of
water and waste water treatment;
• solving
sanitary
and
environmental
treatment problems, in particular controlling
the biological section arrangement;
• treatment processes monitoring and survey.
Our mission
Collect, revise and understand data to
provide modeling approaches supporting
wastewater system planning and
management.
We work globally, inside the client’s company,
to propose a turnkey assistance to the
customer.
The team
PhD Cristiano Roselli Della Rovere, engineer
PhD Ilaria Cimarosti, engineer
PhD Giada Rossi, biotechnologist
Prof. Daniele Goi, engineer
Activities
MONITORING
Wastewater sample collection, laboratory analyses,
value revision.
Activities
90
80
concentration
70
COD
60
NH4+
50
NO
COD reg
40
NH4+ reg
30
MODELING
NO reg
20
10
0
0
4
8
12
hours
16
20
24
Application of models characterizing microbiological,
chemical and hydraulic processes of water and
wastewater treatment plants.
Activities
MANAGEMENT
Management activities in wastewater treatment plants,
from maintenance to upgrading interventions.
Activities
EDUCATION
Refresher and extension course organization for
public and private operators.
Management Team
Public relations,
Marketing and Sales
Scientific referee
University of Udine
Management
Board
Monitoring Team
Planning Team
sample collection
analyse
modeling
pilot plants
software
Partnerships
Passavant Impianti SpA
Based in Novate Milanese (Milan), it is a company
leader in water, wastewater and sludge treatment since
over 50 years.
The company's work runs the entire spectrum of water
treatment and sludge recycling, for both residential and
industrial waste.
RISA had a partnership with Passavant SpA to run one
of its plants in north Italy.
The Plant
Industrial and civil waste water treatment plant
CHEMICAL TREATMENT
BIOLOGICAL
TREATMENT
R.I.S.A. Srl
Simulation Model
Modular system for wastewater treatment analysis
Biological
treatment
Chemical
treatment
Input
Input
Kinetic and
stechiometric
parameters
Output data from
secondary clarifier
Mod.ASM1
THIRD TREATMENT MODELING
Chemical addition = chemeq model
Coagulator = primary clarifier
R.I.S.A. Srl
Acquedotto Poiana SpA
Based in Cividale del Friuli (Udine), it has been a
leader in waterworks for over 90 years.
The company's work runs the entire spectrum of
drinking water distribution and treatment.
RISA is currently having a partnership with
Acquedotto Poiana SpA to model a composting plant.
Composting plant modeling
CIVIL WASTE
WATER
TREATMENT
SLUDGE
1) Densification
5) Quality control
SLUDGE
3) Composting
4) Product
refining
FINAL PRODUCT
CO-COMPOSTING
SUBSTANCES
2) Dried organic
substance
addiction
R.I.S.A. Srl
Management and research
activities planning
STEP
MACHINERY
PLANT
1
Economical planning
2
•pump-coclea
•moisturer
3
•tractor
4
5
6
RESEARCH ACTIVITY
Densification plant
Co-composter substances
characteristics analysis
Biocells
•sieve
•packing machine
Process optimization
Refining plant
Quality parameters definition
AMGA - NET project
NET SpA and AMGA SpA are companies
based in Udine.
NET SpA works on municipal solid waste
collection and treatment.
AMGA SpA multiservices works on waterworks,
water and wastewater treatment and other
services.
AMGA - NET project
RISA is currently having a partnership with AMGA
SpA and NET SpA to design and test an
anaerobic co-digestion plant to convert FORSU
and sewage sludge into biogas.
AMGA - NET project
Oversized
anaerobic
digestion
unit
FORSU
high
quantities
to treat
Opportunity
to treat
waste as a
resource
Anaerobic
digester pilot
plant
Objectives





Design, realization and start up of a pilot plant.
Reach pilot plant stationary condition to reproduce
real digester working.
Co-digestion step with various FORSU (fractions of
organic material from municipal solid waste).
Finding of limit conditions for optimal biomass
metabolism.
Pre-treatment test of matrices to be digested.
University of Udine
It is the scientific referee of the spin off project.
RISA has a partnership with the University of Udine
to realize a pilot plan for wastewater treatment
using US-ozone technology.
This innovating project could be object in the future
of a patent application.
Modeling
Ozone generator
liquid sample
Liquid OUT
residual O3 air
gas vent
O3 air
air compressor
or oxygen tank
LIQUID
TANK
US
PROCESSOR
KI saturators
BENCH-PILOT
Semi batch reactor
Bench-pilot
US processor
Cavitation
Water treatment
OZONE treatment
Disinfection
Hygiene
Sanitation
US-ozone combined treatment effect
US+OZONE TREATMENT EFFECT ON MBAS
Detergents abatement
4
MBAS (mg/L)
3,5
3
2,5
US 430''
2
US 210''
1,5
US 42''
1
US+OZONE TREATMENT EFFECT ON COLIFORMS
0,5
0
5
10
15
Ozone treatment (min)
Bacteria abatement
30
100,00
% coliforms survival
0
80,00
60,00
US 430''
US 210''
40,00
US 42''
20,00
0,00
0
5
10
15
Ozone treatment (min)
30
R.I.S.A. Srl
CONTACTS
website: www.risasrl.it
www.mp-progetti.it/dcfa-goi
mail: [email protected]
phone: +39 0432 296119