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[...]With aerated or optionally unaerated grit channel Grit trap designed accordance with international standards Separate grease trap with semi-automatic grease removal (optional) Integrated grit washing (optional) For reasons of operational safety the first step of sewage treatment works is generally mechanical wastewater pretreatment including: Fine screening Screenings treatment Grit separation Grit discharge Separation and removal of fat and grease Integrated grit washing Complete wastewater pre-treatment prevents operational problems, such as blockages, wear, or silting. We developed and supplied[...]

[...]Contact Drying of Sewage Sludge Partial drying of sewage sludge for recycling in fluidized bed incineration plants. Water evaporation per dryer: 2 to 6 t/h Dewatered sludge throughput per dryer: 6 to 12 t/h * DR throughput capacity per dryer: 1.5 to 6.0 t/h * Heating medium: Saturated steam up to 10 bar(a) * dependent on inlet and outlet DR Thermal drying of sewage sludge is an indispensable process component to ensure the sewage sludge has the right dry residue. The subsequent mono-incineration of the sewage sludge achieves an enormous reduction in volume and mass and provides for the recovery [...]

[...]The HUBER Disc Dryer RotaDry® is designed for homogeneous partial drying of dewatered sewage sludge. Due to its compact design and high specific water evaporation, it is ideally suited not only for use in new sewage sludge mono-incineration plants, but also for capacity expansions of existing plants. The dryer can dry exactly to the required DR content, thus enabling self-sustaining combustion in the fluidised bed incinerator. The HUBER Disc Dryer RotaDry® is available in different sizes, so that a water evaporation of two to six tons per hour and dryer can be achieved. The perfect sewage sludge[...]

[...]Retention of filterable solids from the secondary clarifier effluent Reduction of phosphorus by upstream precipitation Preliminary filtration in drinking water recovery from surface waters and in UV disinfection applications High hydraulic loads, insufficient tank depth and poor settling behaviour of the activated sludge are the most common causes for the poor performance of secondary clarifiers. Frequently, secondary clarifiers are even unable to reliably ensure the solids retention required. Overflow of flocks increases COD, BOD and phosphorus loads in the effluent and receiving watercourse[...]

[...]Compact, enclosed unit Reliable operation, minimised operator attention Low operation costs High throughput capacity up to 40 m³/h The purpose of Sewage Sludge Thickening Sewage sludge, particularly secondary sludge, is characterised by low solids concentrations and high volumes. Effective sludge thickening is essential as a preliminary step for the efficient treatment of sewage sludge, such as in digesters, and is also crucial when liquid sludge needs to be transported for further processing or utilisation. The following criteria are decisive for the selection of the thickening process: [...]

[...]Versatile wastewater treatment for numerous industrial applications Compact and modular design for throughputs up to 300 m³/h Simple, reliable saturation system using a multiphase pump Low space requirement due to an integrated lamella separator Suitable for the pre-treatment of industrial wastewater or secondary treatment of municipal wastewater Very high reduction rates for COD, solids and phosphate Combined with a DIGIT-DOSE Chemicals Dosing system up to 30% less operating costs Principle of Flotation: During dissolved air flotation, very fine gas bubbles of 20 ‒ 40 μm are released, [...]

[...]Flotation plant HDF S for high solids loads Flat construction with a large water surface of up to 160 m³/h Simple, reliable saturation system using a multiphase pump Machines can be mounted in standard containers as mobile units Suitable for high solids loads and for activated sludge separation as an alternative to conventional secondary clarification Up to 30% operating costs saving when combined with a DIGIT-DOSE Chemicals Dosing system Principle of Flotation: During dissolved air flotation, very fine gas bubbles of 20 ‒ 40 μm are released, which together with the particles present in the [...]

[...]Maximum retention of fibres and hair Operating reliability for membrane bioreactors Maximum COD / BOD 5 reduction rates Mechanical pretreatment is required for both municipal and industrial wastewater in order to remove coarse materials and separate floating, settling and suspended solids. Depending on the method of wastewater treatment that is applied the mechanical pretreatment system must fulfil different requirements in terms of separation efficiency. Special plants which operate according to the MBR princi­ple put the highest demands on the mechanical pretreatment system as all coarse material[...]

[...]Øygarden, Norway In Øygarden, one of the most modern wastewater treatment plants in the country was built - with innovative and optimally matched HUBER technology. Watch the video below to get an impression of the entire purification process at this remarkable wastewater treatment plant. After IFAT 2018, HUBER reported about the order for the Fjellvar project, which is the largest HUBER order in Norway so far. In cooperation with the Swedish plant manufacturer Purac and the HUBER service team from Norway and Germany, the supplied HUBER complete solution was installed and successfully [...]

[...]Saalbach-Hinterglemm, Austria Fine screening systems are an interesting alternative to primary settling tanks when it comes to changing the sludge stabilisation process from aerobic to anaerobic. Compared with a traditional primary clarifier with a retention time of 0.5 to 2 hours, a fine screen achieves the same or better reduction rates, which take effect within a few minutes whilst requiring only a fraction of the space and volume. Energy savings and biogas yield through carbon removal Switching from aerobic to anaerobic sludge stabilisation can reduce aeration costs by around 20–25%. This [...]