Questionnaire for centrifuge project

Date_
Contact person_	Position_
Company_	VAT Nº_
Address_
Zip code_	City_
Direct phone_	Company phone_

Sector

Biotech	Pharma	Chemical	Energy
Other_

Centrifugation purpose

Solid / liquid separation
Liquid phase clarification
Solid phase thickening
Separation of two liquid phases
Other purpose_
Product to be recovered	Solid	Liquid	Solid and liquid

Characteristics of the product

Product name_

Solid phase characteristics

Product name_
Provenance	Natural	Mineral	Organic	Synthetic
Physical form	Crystalline	Granular	Fibrous	Gelatinous
Colloidal
Appearance	Friable	Pasty	Sticky
Risk exposure	Flammable	Explosive	Toxic	Abrasive
Concentration of solid phase in slurry (%wt.)_
Particle size_
Bulk density_
Cake density_
Can it be filtered with filter cloth without clogging?

Liquid phase characteristics

Several liquid phases?	Yes	No
Liquid 1	Liquid 2
Product name_
Concentration (%vol.)_
Viscosity_
Density_
Risk exposure	Flammable	Explosive	Flammable	Explosive
Toxic	Toxic
Are they miscible?	Yes	No
Is it an emulsion?	Yes	No

Data for determining the suitable RINA centrifuge

Construction materials

Parts in contact with product_
External parts_

Operation

Discontinuous	Automatic discontinuous	Entirely continuous
Working temperature_

Production data

Solid / Liquid	Liquid / Liquid
Slurry feeding rate_	Flowrate of the mixture_
Wet solid production_	Heavy phase production_
Clarified liquid production_	Light phase production_

Qualitative results targeted

Solid / Liquid	Liquid / Liquid
Residual moisture in solid_	% of liquid 1 in liquid 2_
% of solid in clarified liquid_	% of liquid 2 in liquid 1_
Should crystal fractures be avoided?

Solid washing (in case of solid/liquid separation)

Washing liquids name_	Quantity of liquid per wash_
Number of washes_	Do the mother liquor and washing liquid need to be separated?	Yes	No

Special features

Clean in Place (CIP)	Yes	No	Steam in Place (SIP)	Yes	No

Electric characteristics

Voltage_	Volts	Frequency_	Hz

Hazardous area classification for the equipment

Will the equipment be submitted to Hazardous area conditions	Yes	No
Category	Gas	Dust
Internal / External	/	Zone 0 (1G)	/	Zone 20 (1D)
/	Zone 1 (2G)	/	Zone 21 (2D)
/	Zone 2 (3G)	/	Zone 22 (3D)

Protection for electrical parts

Standard:	Special requirement:
IP-54 for electrical cabinets IP-55 for motor and instruments	IP-65 or higher

In case of Hazardous area

Eex d	Eex e	Eex ia

Current process description or information from trials

Current process_
Trials performed with other methods (filter, decanter, etc.)_

With filtering centrifuge	With a decanting centrifuge
Type of machine_	Type of machine_
Basket diameter and height_	Bowl diameter and height_
Rotating speed (rpm)_	Rotating speed (rpm)_
Load capacity per cycle (kg)_	Feeding flowrate_
Cycle time_	Cycle time_ (in case of solid / liquid separation)

Should Riera Nadeu plan trials?_

Further information