PRINCIPLE OF OPERATION

TECHNOLOGICAL PROCESS OF PURIFICATION

BRODOPUR BS purify sanitary water from toilets and urinals (fecal / black water) flushed by fresh water and sanitary water from showers, lavatories and bathroom floor sumps in crew quarters (sanitary / gray water).

Admission of sewage can be by gravity or vacuum.

Unit combines two aerobic biological purification processes / stages.First stage operates on active sludge process while second stage operates on BIOFILM technology. Biological purification normally continues on temperature range 15 – 45°C.

Results of biological purification are purified and cleared water and the surplus of sludge.

Waste water from galley, food storage and laundry as well as cattle cargo spaces, bilge or ballast water can not be purified by this type of unit. Plant can not treat water contaminated with acids, bases or other chemicals that destroy bacteria or water contaminated with
antibiotics.

BRODOPUR BS doesn’t use expensive membranes or mechanical means for “purification” of water, but as its predecessor it is only based on biological proces thus making it cheap for maintenance, power consumption and it guarantees long worklife.

SYMBOL
DESCRIPTION
SYMBOL
DESCRIPTION
SYMBOL
DESCRIPTION
CB
High-load biological stage basin
13
Purified water discharge
25n
Sludge return – mammoth pump
CBS
Intermediate setling
14
Safety overflow
31
Control cabinet
NB
Submerged aerated biologicalfilter basin
15
Aeration and gases exhaust
32
Air blower
16
Fresh water inlet
33n
Discharge pump
NBS
Secondary setling
17
Additional connection
34-1
Chlorinator pump
DB
Collecting & disinfecting basin
21n
Overflow
34-2
Disinfectant reservoir
Ln
Free surface level – depth
22n
Overflow
35n
Level switch
11
Fecal (sewage) water inlet
23
Biological filter “biobed”
51-60
Valves & taps
12
Sanitary (sewage) water inlet
24
Aeration
71
Pressure gauge
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