Page 223 - Bluebook Sereco english

Compact plants

• DBF
• CF
• VERDE
• VERDE MIA
• AQUA HS www.sereco.it
• AQUA LS

S SEERREECCOO has always considered very important to essary every day for the garden keeping is often suffi-
install compact plants for both biological and physical- ciently supplied by the treated water. Moreover the
chemical treatment. In the catalogue there are three high treatment efficiency of these plants totally
different types of compact plants: DBF, VERDE and CF excludes the possibility of any bad smell diffusion.
(each one with the relevant options). The CF type plant is instead a compact plant for the
The type DBF is a biological plant, very compact, with chemical-physical treatment. Its use is recommend-
integral aerobic sludge digestion. It is typically installed ed whenever the installation of a biological plant is
for the biological treatment of sewages, with a very disadvantageous. This is the case of wastewater con-
high quantity of organic pollutants that can be prompt- taining toxic pollutants which may inactivate the bio-
ly biodegraded; in fact it is preferred for the treatment logical mass or when the flows are very irregular and
of wastewater coming from slaughterhouses, milk do not allow an adequate time of growth and acclima-
transformation industries, food industries in general tization of the bacterial mass. It is in fact very used
and the like. The inlet sewage characteristics require a for the treatment of the wastewater from car wash-
biological treatment to be carefully studied from time ing, laundries, chemical industries and the like. It is
to time; this will allow to minimize the overall dimen- also very used for the treatment of the first rain water
sions and limit the quantity of produced sludge, thanks from yards, for which the gathering and subsequent
to the aerobic digestion. treatment is required by law. An appreciated merit
The VERDE type is a biological plant with total oxida- of the chemical-physical treatments is in fact the
tion. Its typical installation is for the treatment of civ- property of working in normal condition just after its
il sewage of small communities which do not have the putting into operation, unlike the biological treat-
possibility of connection to the city sewer. In fact it is ments that require a long start-up time. Just for this
very used for the treatment of civil wastewater of reason, the chemical-physical treatment is the only
hotels, holiday villages, communities and the like. For system that can be assumed suitable for the early
this type of applications, the compact VERDE type plant stormwater treatment. Finally, the CFF type has, as
offers another advantage: it can make use of the treat- supplement, a sand and/or activated carbon filtration
ed water to irrigation purposes for the gardens per- bed for a further decrease of the organic load and sus-
taining to the building. The big quantity of water nec- pended solids.