ILF Sustainability Report 2021
ILF joins the global movement of companies measuring and disclosing their impacts on the environment, society, economy and governance in accordance with international reporting standards. The Sustainability Report 2021, which is now available, helps ILF to identify its strengths and weaknesses and to define mid- and long-term goals to reduce our environmental footprint and promote corporate sustainability.
ILF joins the global movement of companies measuring and disclosing their impacts on the environment, society, economy and governance in accordance with international reporting standards. The Sustainability Report 2021, which is now available, helps ILF to identify its strengths and weaknesses and to define mid- and long-term goals to reduce our environmental footprint and promote corporate sustainability.
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WHAT
WE DO
MAKING VIENNA’S WASTEWATER TREATMENT PLANT SELF-SUFFICIENT
Energy_Optimization Sludge Treatment (E_OS) technology enables Vienna’s wastewater
treatment plant to be self-sufficient in terms of electrical and thermal energy. By using
biogas produced on site, the plant generates over 100% of the energy needed for its
operation, thus saving 40,000 metric tons of CO 2 emissions per year.
© ebswien / Christian Houdek
Vienna’s wastewater treatment plant is one of
the largest plants of its kind in Europe, with the
capacity to treat wastewater from up to
4 million population equivalents (PE).
During the project, the first biological stage of
the plant and the primary sedimentation tanks
have been completely replaced with new
facilities, using a space-saving technical design.
The area thus obtained was used for the
construction of sludge digesters which allows
energy recovery by utilizing digester gas in a
combined heat and power plant. With this
technology, both the electrical energy and heat
demand of the wastewater treatment plant are
now entirely covered by the plant itself.
Additional land use
is therefore also avoided.
Together with its partners, ILF was
commissioned to rehabilitate and upgrade the
wastewater treatment plant and the associated
technical infrastructure and make them fit for
the needs of future generations.
“ Making and documenting corporate progress towards sustainability is
consistent with our mission to support the implementation of the UN’s
Sustainable Development Goals such as Clean Water and Sanitation
(SDG 6) and Climate Action (SDG 13). The report thus further underlines
our sincere commitment to responsibly improving quality of life.”
Werner Redtenbacher,
Business Group Director Water & Environment
ILF Sustainability Report 2021 /
11
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