Indaver Impex, your partner in sludge dewatering

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1 Indaver Impex, your partner in sludge dewatering

2 About us Indaver Impex is the sludge dewatering expert within the European waste management group Indaver. Indaver Impex has been offering excellent service in the field of sludge dewatering and wastewater treatment for over 30 years already and specialises in mobile and permanent full-service solutions tailored to its customers business processes. Indaver Impex works in this field for: district water boards and drinking water companies the chemical, petrochemical, pharmaceutical, food, construction, steel and waste treatment industry Full service provider Sludge originating from your production process or water purification system can have a serious impact on your primary process, resulting in high costs. To avoid this, a customised solution is needed. You can subcontract all aspects of your sludge dewatering to Indaver Impex. Impex offers you guaranteed continuous dewatering, including operation and maintenance. Your sludge is dewatered on a fully-continuous or project basis, using permanent systems or mobile units. The best solution for your sludge With our mobile fleet and innovative technology, we can dewater your sludge on site. A wide range of dewatering techniques can be used depending on the composition of the sludge. Alternatively, we can design and build a permanent system tailored to your needs in close consultation with you. Our own maintenance department and back-up systems ensure maximum operational reliability. Innovative technology, dedicated staff and the correct chemical conditioning guarantee optimal sludge dewatering. Our added value By dewatering the sludge on your site, we substantially reduce the volume to be removed, so you save on transport and treatment costs. Our size, capacity and in-house expertise mean we can respond quickly because continuity of your production process is of paramount importance.

3 Sludge dewatering, always clear! You want your sludge to be removed responsibly, efficiently and for as little cost as possible. With its wide range of sludge dewatering techniques, Indaver helps companies to fulfil these wishes. Indaver provides the best mix of technical options and economic advantages and we achieve this in a way that fits your requirements in terms of safety and operational reliability. This is the result of a results-oriented approach and transparent agreements. Always clear. Operational reliability Indaver s activities must have as little impact on your business process as possible. Less downtime for your facilities means more profit for you. Sample analysis in our own laboratory By taking a sample of the sludge on site, we can get a clear picture of your process in advance. In the Impex laboratory, your sludge samples undergo a comprehensive testing programme to determine the best formula and dewatering technique. Transparent agreements We are as clear about the financial aspects as we are about the activities we perform for you. Performance contracts guarantee you value for money. Safety for everyone Indaver Impex has a Dutch VCA-petrochemicals (VCA-P) safety certificate. Safety-awareness is ingrained in our people, with concern for each other, for your employees and for your business. 24 / 7 call-out service The last thing you want is for your production to come to a halt or to cause environmental incidents as a result of problems with the treatment of your sludge or wastewater. Indaver Impex is available 24 hours a day, 7 days a week to provide a quick replacement for your dewatering capacity. Quality and sustainability The quality of the service provision comes first with Indaver Impex. Indaver Impex is ISO9001 and ISO14001 certified. In terms of sustainability, you can also rely on complete compliance with all laws and regulations. We only work with well-trained and qualified personnel. Guarantees With Indaver, you don t just get guarantees in terms of achieving the desired percentage of dry matter, but also in terms of the process time required. We will set out the expected result contractually, so that it is clear what the desired end result must be, which activities will be undertaken to achieve that and how we will measure it. Maximum profit We put your economic interests first. Our staff, from laboratory assistants to operators, all use their knowledge and expertise to recover as much water as possible so that only the remaining sludge cake needs to be transported for treatment. In short, you know what to expect in advance. Indaver also always makes this clear.

4 Our contribution to the circular economy mobilisation of dewatering-unit to your site SHE-plan material re-use possible 100% dewatering water re-use possible 90% A B C transparent project proposal dry sludge cake water-reuse analysis reduction of volume & transport lower treatment cost sample Waste-to-Energy water sludge

5 A wide range of techniques for the best results Indaver Impex has a large fleet of several mechanical sludge dewatering installations. Our mobile technologies are built in transportable units based on the plug&play principle. This means Indaver Impex is both mobile and able to respond at short notice. In addition, we can offer you customized, on-site, permanent sludge dewatering solutions (Build-Own-Operate). A summary of the main technologies used, is provided below. Decanter centrifuges A decanter centrifuge, also known as a decanter, is a horizontal centrifuge. The separation between a solid phase and one or more liquid phases occurs by means of sedimentation. Belt press A belt filter press uses a filtration technique for sludge dewatering. This press consists of two filter belts between which the sludge is put under pressure. Chamber filter press With chamber filter presses, dewatering occurs by pumping the sludge under pressure into an enclosed space (chamber). The gravity tables thicken the sludge into a pumpable fraction. Gravity tables A belt filter or gravity table is a filter belt that moves on rollers on which the sludge to be thickened, is placed. The gravity tables are used to thicken sludge while it can still be pumped. Dredger The dredger has been developed to be compact, which makes it very versatile and easy to manoeuvre for cleaning open tanks, foil lagoons or a carousel system for example. The nozzle and drive system make it possible to dredge and manoeuvre with minimal agitation of sludge. Consequently, you don t have to stop your production process for dredging activities. Cleaning sludge fermentation tanks and aerated lagoons With our separation equipment we remove sediment from (sludge fermentation) tanks and aerated lagoons. By separating the sediment from sand, water and sludge. After further purification or thickening, the sludge fraction can be recycled again, if necessary.

6 Liverpool (UK) Communal water treatment Hamburg (DE) (Petro) Chemical industry Your partner in Europe Indaver Impex provides its services throughout Europe. With 30+ years of experience, Impex has built up a large portfolio of satisfied customers. We have implemented sludge dewatering projects for a wide variety of industries. Temporary dewatering of purified sludge 2 decanter centrifuges 2008 Project timeline: 20 months 24 / 7 service Capacity: 120m 3 /uur Treatment of oily wastewater from slop tank Decanter centrifuge + conditioning unit Project timeline: 30 weeks Paris (FR) Tunnel construction Doel (BE) Chemical industry Sas van Gent (NL) Food industry Rotterdam (NL) Drink water industry Ijmuiden (NL) Steel industry Dewatering of sludge slurry contaminated with bentonite 5 decanter centrifuges 2003 Project timeline: 5 months Processed volume: 30,000m 3 Sludge dewatering from ash treatment grate incinerator Chamber filter press Since ,000 T/Y bottom ash processed BOO-project Sludge dewatering with decanter centrifuge and chamber filter press Re-use of sludge cake in bio fermentation Since 2012 Capacity 40,000 m3 bio sludge per year Full relief: dredging dewatering treatment logistics residual material Since 2004 BOO-project Sludge dewatering from gas purification process Large-scale and permanent chamber filter press 52 m wide, 9 m high 100,000 T/ Y is processed Since / 7 service Contact us: In Germany: North: Borsigstraße Hamburg Phone: South: Waldstraße Biebesheim am Rhein Phone: Your contact person: Yves Van den Bruel Account Manager Phone: yves.van.den.bruel@indaver.com Scan the QR-code and discover Indaver Impex on Youtube Version April 2018 Responsible editor: Corrinne Goenee, Ketenislaan 1, Haven 1548, BE Kallo