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Sludge, a byproduct of wastewater treatment, comprises both organic and inorganic substances. Managing sludge effectively is essential to reduce its environmental footprint, reclaim valuable resources, and maintain the efficiency of wastewater treatment facilities. At NSI, we are dedicated to creating and applying cutting-edge solutions for sludge treatment, disposal, and reuse, turning it into a beneficial resource.

Your challenges

Managing sludge effectively is crucial for environmental sustainability and operational efficiency.

Reducing environmental impact

Sludge management must minimize environmental footprint, including reducing greenhouse gas emissions and preventing contamination.

Resource recovery

Extracting valuable resources from sludge, such as nutrients and energy, requires advanced technologies and innovative approaches.

Compliance with regulations

Meeting stringent regulatory requirements for sludge treatment and disposal can be complex and demanding.

Cost-effective solutions

Implementing efficient and cost-effective sludge management practices is essential to maintain operational sustainability.

How can NSI meet your needs?

At NSI, we provide comprehensive sludge management solutions, ensuring effective treatment, disposal, and reuse to protect public health and the environment. Our approach covers every stage of sludge management, from treatment and resource recovery to sustainable disposal. We handle sludge responsibly and sustainably, ensuring compliance with regulatory standards.

Our solutions

Explore our innovative solutions designed to meet your sludge management needs.

Econvert Anaerobic Rental at Nordzucker
  • Industrial
  • Food & Beverage
  • Pulp & Paper

Anaerobic – Econvert Anaerobic Rental

  • Wastewater
  • Industrial water
  • Resource Recovery
We understand that CAPEX is not always readily available to invest in anaerobic wastewater treatment, or that you may want to avoid long-term financial commitments. At Econvert, (...)
  • Industrial
  • Food & Beverage

Anaerobic – Econvert-DGF

  • Resource Recovery
  • Industrial water
  • Wastewater
The Econvert-DGF® (Dissolved Gas Flotation) is an anaerobic solution developed to treat raw wastewater with high concentrations of total suspended solids (TSS) and fats, oils, (...)
  • Municipal
  • Municipal drinking water
  • Municipal wastewater

Digital solution – Hydranet

  • Wastewater
  • Drinking water
Real-Time Energy Optimization for Water Networks Hydranet is Riventa’s digital platform designed to monitor, analyze, and optimize the performance of pumps, blowers, fans, and (...)
  • Industrial
  • Food & Beverage
  • Pulp & Paper
  • Fish processing
  • Pharma & personal care
  • Mining and minerals
  • Energy
  • Municipal
  • Municipal wastewater
  • Municipal drinking water

Filter – FlooScreen™

  • Drinking water
  • Process water
  • Industrial water
  • Wastewater
FlooScreen™ screening units are advanced filtration systems designed for industries, communities where high capacities of high-quality water screening is necessary to efficiently (...)
  • Municipal
  • Municipal drinking water
  • Municipal wastewater
  • Industrial
  • Energy

DAF – High rate concrete i-DAF

  • Industrial water
  • Drinking water
  • Wastewater
The NSI high rate concrete i-DAF, a dissolved air flotation system, removes solids in primary, secondary, and tertiary water treatment within compact spaces.
  • Municipal
  • Municipal drinking water
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Fish processing
  • Pulp & Paper
  • Pharma & personal care
  • Semiconductor industry
  • Mining and minerals
  • Energy

NSI Digital Platform

  • PFAS
  • Micropollutants
  • Wastewater
  • Drinking water
  • Source water
  • Rainwater
  • Resource Recovery
  • Sludge
  • Process water
  • Industrial water
NSI Digital Solutions’ Platform and our other services and designed are developed to combine deep industry expertise with advanced digital capabilities, supporting industrial (...)
Econvert-RTF Biogas Desulfurization
  • Industrial
  • Food & Beverage
  • Pulp & Paper
  • Energy

Anaerobic – Econvert-RTF

  • Wastewater
  • Industrial water
The Econvert-RTF® is a regenerative trickling filter which achieves high H2S removal efficiency, consumes no caustic soda and enables aerobic effluent reuse. The technology prevents (...)
Econvert-Dsulph biogas desulfurization
  • Municipal
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Pulp & Paper
  • Energy

Anaerobic – Econvert-Dsulph

  • Resource Recovery
  • Industrial water
  • Sludge
  • Wastewater
The Econvert-Dsulph® is a proven, high-efficiency biogas desulfurization solution that combines the chemical absorption of hydrogen sulfide (H2S) in the scrubber with the biological (...)
  • Municipal
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Energy

Ammonia stripper – ByoFlex

  • Resource Recovery
  • Industrial water
  • Sludge
  • Wastewater
With the revolutionary ByoFlex® system nitrogen is recovered from highly contaminated substrates. The ByoFlex® system is a one-of-a-kind ammonia stripping unit. Through years (...)
  • Industrial
  • Food & Beverage
  • Fish processing
  • Pulp & Paper
  • Energy
  • Municipal
  • Municipal wastewater

Screw press – NSP

  • Industrial water
  • Sludge
  • Wastewater
The sludge dewatering screw press from NSI (NSP) offers a cost-effective and sustainable solution for sludge dewatering. Designed to treat both primary and biological sludge, the (...)
  • Industrial
  • Pharma & personal care
  • Energy

Membrane – DEEPEST®

  • Wastewater
  • Industrial water
  • Process water
The Deepest System® is a patented multi-stage, multi-membrane purification system developed by Sodai. It employs sequential microfiltration, nanofiltration, and reverse osmosis (...)
  • Municipal drinking water

Membrane – CeraMac®

  • Drinking water
Ceramic Membrane Microfiltration System   CeraMac® is an innovative and cost-effective ceramic membrane filtration solution, designed to provide high-performance, sustainability, (...)
  • Municipal
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Pulp & Paper
  • Pharma & personal care
  • Mining and minerals
  • Energy

Aerobic – BIOCTOR-FlooBed®

  • Wastewater
  • Industrial water
A highly efficient and compact biological treatment process to treat a wide variety of industrial and municipal wastewater streams and ensure environmental compliance. The patented (...)
  • Municipal
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Pulp & Paper

Anaerobic – Econvert-IR

  • Wastewater
  • Industrial water
The Econvert-IR® (Internal Recirculation) is designed to create the ideal process conditions – even under extreme conditions. Thanks to its unique two-stage settling system, (...)
  • Food & Beverage
  • Industrial
  • Pulp & Paper

Anaerobic – Econvert-UASB

  • Wastewater
  • Industrial water
The Econvert-UASB®(Upflow Anaerobic Sludge Blanket) has a proven track record for decades. Its robust and reliable configuration enables the handling of large varieties of wastewater (...)
Econvert-EGSB Anaerobic Wastewater treatment
  • Food & Beverage
  • Pulp & Paper
  • Pharma & personal care
  • Industrial

Anaerobic – Econvert-EGSB

  • Wastewater
Econvert-EGSB® (Expanded Granular Sludge Bed) is the optimal solution after decades of experience, development and optimization. Combining a small footprint with robust internals (...)
  • Pulp & Paper
  • Food & Beverage
  • Fish processing
  • Pharma & personal care
  • Energy
  • Mining and minerals
  • Municipal
  • Industrial
  • Municipal wastewater

DAF – FlooDaf®

  • Process water
  • Industrial water
  • Resource Recovery
  • Wastewater
  • Sludge
  • Drinking water
A high-capacity, compact flotation solution for various large-scale water and wastewater treatment applications enabling raw material recovery, decreased water consumption and (...)
  • Municipal drinking water
  • Municipal

Flocculation-coagulation – ILCA®

  • Drinking water
In-Line Coagulation and Adsorption ILCA® is a compact in-line coagulation and adsorption process developed by PWNT to simplify and optimise pre-treatment upstream of advanced (...)
CirTec IntenSieve Gaarkeuken
  • Municipal
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Fish processing

Filter – IntenSieve®

  • Wastewater
  • Industrial water
  • Resource Recovery
The IntenSieve® is a rotating belt finesieve. A compact, chemical-free finesieving solution that removes suspended solids and frees biological capacity.

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