Page 129 - Bluebook Sereco english

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Mixers - Aerators

• DRAF 100 • ETSD
• DRAF 200 • E2PI
• DRP • E4PA
• EC • E4PI
• EEM • RAM
• EPS • TASC

The aeration process is fundamental in a civil or indus- extreme installation easiness, long-term operation
trial sewage treatment plant as it allows the supply of also in heavy running conditions, since it is made of
the oxygen required for the metabolic activity of the first rate materials.
activated sludge. Many are moreover the applications In this section there also are the distributors for bio-
of different types and speeds of mixers in biological logical or trickling filters type DRP and DRPM.
and/or chemical-physical plants. The wide range of SERECO mixers includes the type
SERECO aeration systems include coarse (DRAF of mixer suitable for any use: fast agitators for the
100) or fine (DRAF 200) bubble type diffusers, fixed reagent mixing (EEM), the dissolution of pulverized
(TASC) or floating (TASCG) surface turbines and products (E4PI), for flash-mixing (EPS, E2PI), slow agi-
Mammouth rotor (RAM). In particular, the fine bub- tators for flocculation (EC, E4PA), specific for the den-
ble diffuser DRAF 200 type has been conceived after itrification or soft mixing (ETSD). Any type of mixer is
specific studies and researches that have allowed the available with different sizes and powers. In particular,
execution of a patented product characterized by the mixer EPS type can be used in several fields of activ-
optimum efficiency in terms of oxygen transfer, high ity thanks to the high hydraulic efficiency of its impeller
surface density of micro-holes, no risk of clogging, with Sabre outline blades.