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Remediation of historical pollution and ecological treatment of waste are a growing
concern for the industry, especially since the European environmental regulations have
become more rigorous. Waste handling, in general, becomes a more and more demanding
task that requires specialised expertise and equipment.
In answer to this need, Envisan, the environmental subsidiary of Jan De Nul Group, started
in 2009 with the design and construction of a state-of-the-art waste treatment installation,
combining the best available techniques for sludge, soil and waste water.
The treatment facility has been operational from 2010 and since then it has been providing
turnkey solutions.
The Envisan Soil, Sludge and Water Treatment Plant has the following components:
Reception area;
Sorting/screening area;
Fully equipped Quality Control/Research Development laboratory;
Sludge dewatering plant;
Stabilization/immobilization/mixing unit;
Fluidized bed incinerator;
Bio-remediation area;
Biological waste water treatment plant.
The plant also has an environmental permit for a thermal desorption plant.
Using this fully integrated treatment facility concept, Envisan can provide turnkey solutions
without depending on third parties.
Sludge, Soil and Water TreaTmenT PlanTWaste to energy: Beyond Waste recycling
Waste should not be wasted!
enVISanSludge, Soil and Water TreaTmenT PlanT
Throughput: 20 m³/h
Sludge dewatering Throughput: 20 m³/h
Fluidized bed incinerator Thermal capacity: 22.5 MWth Electrical capacity: 1.6 MWe
Bioremediation Capacity: 10,000 m³
Thermal desorption Throughput: 30 tons/h
organic Sludge treatment
Contaminated Soil treatment
Waste Water treatment
The strength of Envisans treatment facility for sludge, soil and waste water lies in a completely integrated, economical,
ecological, flexible, qualitative and safe waste treatment concept.
Safety: Health, Safety, Environment ISO 14001:2004
ISO 9001:2008
OHSAS 18001:2007
Completely integrated The plant is IPPC certified and developed to handle the
basic incoming waste as well as all secondary waste streams
of water, soil and air, produced during the remediation
process, resulting in a 100% treatment of waste
Economical Energy consumption is often the most important cost driver
during environmental treatment. Intelligent use and re-use of
energy makes the Envisan treatment facility a schoolbook
example of green environmental technology.
The thermal installation operates auto- thermally. No fossil
fuels are required for the high temperature process.
The energy required for the processing is recovered from
the (oil in the) waste. The steam generated from the
thermal installation is used to produce electricity, sufficient
for the entire plant.
Ecological The technology is in compliance with the highest
European emission standards (2000/76/EC on waste
incineration and 2008/98/EC on waste).
Efficient use of energy minimizes the CO2 footprint of
the plant.
Waste is minimized by means of sludge dewatering and
separation techniques.
Qualitative All ingoing and outgoing volumes are registered, analyzed,
characterized and tracked.
In order to obtain optimal process conditions, the
treatment facility is equipped with its own laboratory to
characterize waste during the entire treatment process.
Pre-treatment area (screening and mixing unit)
Turbine
Steam boiler
a1
www.jandenul.com
Member of
ENVISAN NVTragel 60 I 9308 Hofstade-Aalst I Belgium T +32 53 73 16 52 F +32 53 77 28 55 [email protected] I www.envisan.com
ENVISAN NV, BElgIA - SucurSAlA PITEşTIComuna Oarja 117545 sat Oarja, nr.786 Bis Piteşti, jud. Argeş I Romania T +40 248 223 313 F +40 248 223 062 [email protected] I www.envisan.com
Flexible The plant is equipped with the necessary storage capacity
for incoming waste and raw materials, ensuring continue
treatment and acceptance of waste.
With its location in Pitesti (Romania) nearby the exit of
the A1 highway to Bucharest, the plant is easy to access.
Envisan obtained the required permits, such as ADR-
licence, in order to transport waste material from external
sites to its treatment facility.
