Biorulli for Biological Wastewater Treatment
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water technologies

BIORULLI Biological wastewater treatment systems The two most well-known processes for biological treatment of sewage and industrial wastewater are: a) activated sludge; b) trickling filters. Biological oxidation plants employing rotating disk contactors are derived from both systems and represent a valid alternative to them since they make use of the best characteristics of both processes. operating principle The biological contactor is composed of a suitable number of plastic discs, mounted and closely spaced on a shaft. The shaft is slowly rotated by means of a speed reduction gearbox (1...

• The system is operative within 5-15 days of start-up without any seeding being required • the operation of a Rotating Biological contactor (RBc) is unaffected by low influent flowrate even when protracted over a period of several days. When normal load is reapplied, full capacity is re-established within a few hours • the RBc is not sensitive to sudden shock variations (upwards or downwards) in biological or hydraulic loading rates, even when these have a duration of many hours: the plant will still achieve the design performance • electrical power consumption is very low. a Rotating...

The design and construction of the PP discs manufactured by MITA Water Technologies are the result of more than 35 years of successful experience in their usage in biological treatment plants within and outside Italy. their most important characteristic is a very high resistance both to mechanical stress and to chemical reagents, thanks to the particular construction materials and shape. the discs are derived from sandwich panels of isostactic polypropylene treated with a U.V. stabilizer. the sandwich panels form multiple parallel passages, thus increasing significantly the specific surface...

MITA Water Technologies manufactures herself the components of the system and owns the registered trade mark biorulli®. the biorulli® offer the following advantages: • discs manufactured in a single piece • no shaft power drive unit, gear drive nor related supports ever come in contact with the sewage to be treated • the shaft-discs assembly (package) can be compounded or divided into two, three up to four stages in order to improve the performance of the plant by the growth of biological films having different and selective properties as a function of the nature of the wastewater • due to...

SINGLE-PIECE (PACKAGED UNIT) The “M” (“Monoblock”) series has been designed and fabricated as a “packaged” unit and is supplied complete with fiberglass reinforced polyester resin, carbon steel or stainless steel basin ready for installation in any location outdoors or indoors. this series has the feature of versatility of installation and use with a consequent considerable saving of layout space. the standard version is supplied as an single-stage plant and, on request, with a special bucket elevator to ensure a constant sewage flow to the discs. It is produced in three principal types...

Monobloc series Model Disc rollers series Model

water technologies www.mitawatertechnologies.com Via del Benessere, 13 - 27010 Siziano (PV) - Italy Ph. +39 0382 67599 - Fax +39 0382 617640 - info@mitawt.it