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Flottweg SE
Flottweg - Decanters
Carlos Olivo
Sales Engineer – Municipal Market
olca@flottweg.com
Germany-Spain Symposium on
Waste and water management in the Canary Islands
FLOTTWEG PRODUCTS
Benefits
Flottweg
• Key data
• Who we are today
• Worldwide sales and services
Flottweg SE
Key data
Flottweg SE – HQs - 84137 Vilsbiburg, Germany
700 employees in GER & 850 Worldwide.
≈ 210 Mio. € sales 85 % (2017) export.
Worldwide > 80sales and service center
4
FLOTTWEG TODAY
Worldwide Sales & Service
Subsidiaries
Representatives / Service
Flottweg Australia Pty Ltd
Flottweg do Brasil
Flottweg Separation Technology
(Shanghai) Co.-Ltd
Flottweg Moscow OOO
Flottweg France SAS
Veronesi Separatori SPA
Flottweg Mexico S.A. de C.V.
Flottweg Polska
Flottweg Separation
Technology Inc.
Flottweg SE
Flottweg Separation Technology
Canada LLC
Flottweg Peru SAC
FLOTTWEG PRODUCTS
Benefits
Flottweg in Spain
• Lödige Spain
• Business Partners
Flottweg SE
Lödige España S.A.
Lödige España S.A.
C/Flassaders, 14 - 16
08130 Sta. Perpetua de Mogoda
España
Tel./Phone: +34 93 7181700
Fax.: +34 93 7189602
E-mail: lesa@lodige.es
Sr. Holger Petri (holgerp@lodige.es)
Sr. Josep Hernández (joseh@lodige.es)
Flottweg SE
From Germany to Spain to the whole world.
• Engineering Companies
• Contractors
• Environmental solution developers
Main Business Partners
Flottweg SE
Loedige Espana
16.10.2018 8
References
Decanters Flottweg, engineered for your success!
FLOTTWEG PRODUCTS
Benefits
Flottweg Decanters
• Overview Decanters product-palette
• Summary technical advantages
• Some comments on ROI
• Comments on WWTP process and influence on the decanters
• Disposal costs
FLOTTWEG SE
Overview our Municipal focused C-Series and the new Xelletor Decanters
ROI - Cheap vs value for money Our C – Series and the latest Xelletor technology
FLOTTWEG PRODUCTS
Attention To Detail
Details make the whole difference!
Design Description Advantages => both operational / for the
process
Design specifics
• Max. cylindrical section length
• Higher filling-up level => Deep Pond
• Weir ring
• Flow conditions (Axial-flow)
• Max. clarification volumen
• Increase of operational flow capacity
• Decrease of energy consumption 20%
SIMP-Drive®
• Multi-stage planetary gear
• Independent diferential speed regulation
as a function of the scroll torque
• Full independent regulation of bowl and scroll
• Less installed capacity
• Decrease of energy consumption 10%
Recuvanes® • Energy recovery system • Decrease of energy consumption 20%
Automation and
control • Flottweg SIMP-Control • Integrates PLC y touch display
Operation cost optimization
Summary of technical advantages
16.10.2018 12 ROI - Cheap vs value for money
Return on Investment
Introduction
16.10.2018 13
Sewage sludge is the
designated collector for all pollutants
contained in wastewater.
Wastewater treatment processes must
consider the
objective of
cleaning wastewater,
but also the objective
of a reliable disposal of
sludge.
Numerous observations from sewage
sludges from municipal WWTPs confirm:
on the one hand dewaterability of
these sludges worsens worldwide as
time goes by and on the other
dewaterability of sludges becomes more
and more important due to
increasing disposal costs
ROI - Cheap vs value for money
FLOTTWEG SE
WWTP Process and main influences on dewaterabilty
…end of the pipe technology.
ROI - Cheap vs value for money
FLOTTWEG SE
WWTP – several process and efficiency influences dewaterabilty
Degree of elimination=> more = less dewaterability
Sludge volume index
Amount of WAS
Mechanical treatment
Grit + Sand
Sludge age
Specific WW loading and components
ROI - Cheap vs value for money
Break even point
Total costs considerations
Flottweg decanters are an economic alternative –
even for small & middle size plants!
Fixed costs
Low-performance
Decanter
Fixed
Costs
Total costs
Total operation hours
Total costs
Total costs
Low-performance
Decanter
Break even point
ROI - Cheap vs value for money
Cost distribution
Sludge treatment and disposal
>80% are disposal costs *source: calculated acc. average costs for 2017
ROI - Cheap vs value for money
16.10.2018 18
Reduction of the disposal costs by
Increasing efficiency @ dewatering
Rule of thumb:
1% dryer cake equals 4 to 5 % less sludge
for further treatment or disposal
Dryness – dewatered sludge (Weight %TS)
Am
ou
nt
of
dew
ater
ed s
lud
ge
ROI - Cheap vs value for money
Reduction of disposal costs
Rule of thumb
1% dryer cake equals 4 to 5 % less sludge
What does this mean?
High-performance decanter technology + proper setting => cake dryness is increased by 2 %,
• e. g. from 25 % to 27%:
For a sewage plant in a town like Hamburg, Cologne or Munich:
• Amount of digested sludge with 3 % DS to be dewatered: 500,000 m³/year
• Sludge after dewatering to 25 % cake dryness : 59,100 tons /year
• Sludge after dewatering to 27 % cake dryness: 54,700 tons /year
Difference 4,400 tons/year
Cost savings based on 60 EURO per ton: 264,000 EURO per year
In 2017 actual disposal costs in Germany range from 50 to 80 EURO per ton.
16.10.2018 19 ROI - Cheap vs value for money
FLOTTWEG PRODUCTS
Benefits
References
16.10.2018 21
References
Flottweg decanters, engineered for your success!
Some latest references within Spanish territory:
• Flottweg decanter type and location: Customers:
• C5E; C7E, San Feliu / Prat, Barcelona
• C5E; Copero, Sevilla
• C5E; Palma de Mallorca
• C4E; Aranjuez, Madrid
• C3E; Las Matas, Madrid
• X4E; Sabadell, Barcelona
Flottweg SE • Industriestraße 6-8 • 84137 Vilsbiburg • Tel.: +49 8741 301-0 • Fax: +49 8741 301-300 • mail@flottweg.com • www.flottweg.com
Simposio alemán-español
Gestión de residuos y aguas en las Islas Canarias
Muchas gracias! Carlos Olivo
Ingeniero Ventas Proyectos Mercado Municipal
olca@flottweg.com
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