Advantages_english_tebag

Technology’s advantages
Very competitive investment costs compared to conventional
treatment system technologies.

Unattended operation  practically insignificant operation and
maintenance costs  lower NPV (Net Present Value) of
investment.

Requires neither skilled labour nor qualified personnel for its
operation/maintenance.

No costly maintenance/reparation/replacement of electro-
mechanical equipment.

System’s efficiency improves over time.

Tel.: (+506) 2224-9198 / 2225-7016 www.tebag.cr info@tebag.cr

All system’s components have an unlimited life span
(biologically resistent reeds)

Minimum energy requirements.

Needs no chemical agents or floculants.

Generates no excess sludge (integral sludge dehydration
over its own reed bed).

Presents zones with aerobic and anaerobic living conditions, where
the advantages of each biologic process are exploited.


Reduction of NO3 (nitrates) to N2 (free nitrogen), by means of
anoxic denitrification processes.

Removal efficiencies up to 98% in diverse contaminant
agents.
Highly compact and integral system, which groups together processes
of biofiltration, aerobic degradation, anaerobic degradation, anoxic
denitrification and sludge dehydration, all in the same treatment
unit.

Produces no offensive odores, since the waste-water flow is
subsuperficial, and the system functions mainly under aerobic
conditions.

Highly flexible and versatile system, that enables treating many
types of waste-waters, as well as ample variations in its
characteristics.

The system can be integrated to the surronding natural landspace.
Important source of “points” for getting the LEED certification
standard.
Ideal to retrofit conventional systems that do not comply with
discharge parameters (for instance: substitution of the seepage
field of an existing septic tank system).

All system’s components can be acquired locally.

Treatment process amply proved and spread since 1890.

LAMINAS FILTRANTES technology with more than 20 years of
continuous research and development, and more than 1000
successful projects worldwide in operation.


NPV COMPARISON
LF system vrs. traditional system
Capacity: 100 m3/day
TIME
Year 0 Year 1 Year 2 Year 3 Year 4 Year 5
Type of wastewaters:
($100,000) domestic
LAMINAS FILTRANTES
($110,000) BODinlet: 300 mg/l
Traditional System
Location: outside GAM
($120,000)

NPV ($)
Interest rate: 10%
($130,000)
Investment ratio
LF/traditional WWTP= 120%
($140,000)

($150,000)

($160,000)

Year 0 1 2 3 4 5
LAMINAS FILTRANTES (LF) (132.000) (1.900) (1.957) (2.016) (2.076) (2.138)
Traditonal system (110.000) (9.213) (9.765) (14.351) (11.502) (12.192)
Annual factor 1,00 0,91 0,83 0,75 0,68 0,62



Comparison between setbacks to the property’s
boundaries; Activated-Sludge system:
10m, LAMINAS FILTRANTES system: 5m

Summary of advantages
-Requires no electromechanical equipment and hence no electric energy.
-Unattended operation
-Very low O&M costs
-Aerobic process devoid of unpleasant odors
-Short setbacks to the property’s boundaries
-Requires neither chemicals nor flocculating agents
-No system’s component needs to be replaced over time
-The system can be used to treat practically any type of
wastewater, and in any latitude or altitude
-Proven technology and spread worldwide
-Very high contaminant removal efficiencies
-Provides valuable points for the LEED certification
-Low cost/benefit ratio

Láminas Filtrantes ®
-100% Green Technology-
Nature’s power
working for you

www.tebag.cr
Tel.: (+506) 2224-9198/ 2225-7016 www.tebag.cr info@tebag.cr

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