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[...]Aylesbury STW, UK Huber Technology has been awarded a contract to supply the RoDisc® filter to Thames Water. The project is part of a Thames Water Amp 5 scheme to improve tertiary treatment at Aylesbury STW. The project is to allow for population growth, part of which is to increase the tertiary treatment capacity. Following successful award onto Thames Water framework for the supply of this equipment in October 2011, we were then approached by Black & Veatch to provide the equipment. Additional capacity has been added to ensure that the increased flows can be treated and 3 x HUBER Disc Filter RoDisc® size 22 were selected for the duty. The project was ordered following detailed discussions in May 2012 and has now been delivered to site in October 2012. The plant is due for commissioning and operation in early 2013.[...]

[...]Wastewater and sludge treatment for the production and processing of textiles and leather Save disposal costs Clean wastewater Minimise residues Separate solids Reduce operating costs Recover wastewater heat Save primary energy Wastewater from textile and leather industries contains high loads of solids, particularly fibres and hair. Washing the raw materials also causes a lot of grit to get into the wastewater. The wastewater is usually highly discoloured and contains high BOD and COD loads, so heavy pollution charges have to be paid. It is therefore economical to reduce these loads on site to such a degree that the wastewater can be discharged to the public sewer system or even directly into a water course without having to pay fees for heavy pollution. While small plants only have to separate solids, larger facilities also reduce the COD and BOD loads. Due to the large water consumption, it is often economical to treat the wastewater so well that it can be recirculated as process water. HUBER products and solutions for your requirements HUBER Complete Plant ROTAMAT® Ro5 units are used for mechanical pre-treatment of process water or wastewater. This type of plant screens out larger solids and separates settleable materials such as grit in the integrated grit chamber. The separated grit can be cleaned from organic contaminants in a downstream HUBER Grit Washer . The pre-cleaned water can then be further treated with a HUBER Fine Screen to remove fine fibres and hair. A chemical-physical treatment stage with the HUBER Dissolved Air Flotation Plant HDF further increases cleaning performance. Solids and grease are largely separated as flotate sludge. BOD and COD concentrations are thus significantly reduced, so that the effluent can be discharged into the public sewer system. HUBER Thickeners and HUBER Screw Presses are available for thickening and dewatering of flotate sludge and excess sludge. With the HUBER Heat Exchanger RoWin , the often very high wastewater temperatures can be reduced and the heat thus recovered can be used for preheating process water or heating buildings. As one of the world's leading suppliers, we also solve your wastewater treatment challenges with our proven machines and plants. Our solutions for your challenges: COD, fat and solids reduction Reliably comply with discharge limits Reduce operating costs for wastewater treatment Reduce disposal costs for waste and sludge Recover wastewater heat and reduce wastewater temperature Access solutions for manholes and tanks[...]

[...]Luzern, Switzerland Due to the increasing building density, cities are generally faced with the problem of lesser and lesser infiltration of rainwater water during storm events and the associated increasing risk of overflowing local sewers. Moreover, road runoff water contains not only grit and gravel but also considerable amounts of eco-toxicologically relevant substances from tyre wear and tar residues, for example heavy metals, such as cadmium, zinc and lead, as well as polycyclic aromatic hydrocarbons [PAH] and petroleum-derived hydrocarbons [PDH]. During rainfalls, the abrasion particles from road surfaces are washed directly into surface waters or the combined sewer system. Compared to the continuously generated residential wastewater, road runoff is on average generated only during 5% of the time and in varying intensity. Suddenly occurring storm events generate massive concentrations in the road runoff. The environmentally sound treatment of road-run offs is still an unsolved problem. A water safety regulation for the treatment of wastewater from highly frequented roads has been developed in Switzerland especially for this application. It is generally differentiated between two types of road runoff treatment systems. Due to the extensive sealing of surfaces, the runoff of precipitation water cannot be ensured anymore with retention soil filters on a natural runoff treatment plant but is treated in a so-called technical road runoff treatment systems. To meet the requirements of a technical road runoff treatment systems, HUBER SE has modified its HUBER Disc Filter RoDisc ® especially for this application. Since the end of 2015, two of these treatment plants have been operated in the Lucerne area. The plants "Seetalplatz" and "Frohburg" are designed for a road catchment area of 3.2 hectares and 2.1 hectares. The roads in the catchment area of Seetalplatz are frequented by about 50,000 vehicles per day. An important point during the project engineering phase was the careful consideration of the course of the roads. On winding roads, the concentration of wear particles from road covers and tarred surfaces is significantly increased. The road runoff treatment plant consists of several treatment stages. The road runoff flows through a line network to the treatment plant, preferably by gravity if possible. Settleable solids, such as grit and gravel, settle in the preceding coarse material separator due to difference in density. The wastewater flows then into a settling tank where the finer suspended particles settle and are removed at intervals via the sludge. In the last treatment stage, the pre-treated wastewater with a volume flow of 30 l/s is directed to the HUBER Disc Filter RoDisc ® prior to being discharged for infiltration or to a water course. The efficiency of road runoff treatment plants is categorized according to the solids and heavy metal reduction they achieve. As to solids, a separation efficiency in excess of 85% is reliably achieved, and more than 60% of the heavy metals (measured with zinc and copper) are reliable removed. The decisive advantages of HUBER disc filter plants lie in the absolute surface filtration and intensity of filter cloth cleaning. These are two indispensable factors as both tar and tyre abrasion particles have a high tendency to irreversible adhesion. Furthermore, the filter discs are designed to reduce the space requirements of the plants to a minimum.[...]

[...]On Wednesday, 11 October 2023, HUBER SE welcomed about 35 young professionals from the German water industry at the company headquarters in Berching. The young water management professionals took part in a technical excursion organised by the Bavarian Regional Association of DWA (German Association for Water, Wastewater and Waste) in cooperation with the Bavarian Regional Group of DVGW (Scientific Association for Gas and Water). After the official welcome, the participants were given a plant tour including a company presentation. The excursion was aimed at trainees for wastewater technology, water supply or pipe, sewer and industrial technology, (waste) water engineers, students and graduates or young professionals up to 35 years of age. Many new impressions and exclusive insights into a worldwide leading company in the water industry impressed the young water management professionals. HUBER would like to thank all participants for their interest and wishes them all the best for their future careers.[...]

[...]Treatment of polluted stormwater to protect water and soil Road wastewater treatment plants are used for heavily frequented roads. The task of such a plant is to filter rainwater that runs off roads before it is discharged into a body of water or into the ground. Road run-off is stormwater containing coarser solids such as gravel, sand and litter, as well as significant amounts of finer solids such as abrasion from car tyres (microplastics). Road wastewater occurs whenever it rains, and its quantity depends on the amount of rainfall. Technology for Road Wastewater Treatment Plants Intermediate storage and filter system A road run-off treatment plant is characterised by two main features: a basin for intermediate storage and a filter system. Since such a plant cannot be designed to cope with very rarely occurring but extremely high rainfall volumes, an overflow is also provided for relief in the event of excessive amounts of water. The treatment plants for road run-off can be distinguished into natural plants and technical systems. The filter system of a natural treatment plant consists of a soil filter. The technical road run-off treatment plant as a space-saving solution The technical system uses space-saving machine technology for filtration instead of a soil filter. HUBER uses the H UBER Disc Filter RoDisc® for its technical system. The filter discs, which are covered with a filter fabric, retain the finest solid particles in a continuous filtration process and thus reduce the contaminants contained in the road wastewater, such as microplastics, heavy metals and organic pollutants. As both tar and tyre debris have a clear tendency to irreversibly adhere to the filter fabric, thorough cleaning of the filter discs is necessary, which is why the HUBER Disc Filter RoDisc ® is equipped with an automatic system for intensive cleaning.[...]

[...]South Padre Island, TX, USA In the southernmost part of Texas, not far from the Mexican border and directly on the Gulf of Mexico, lies the headland of South Padre Island. This place is made for holidays, with sun, sand and sea. From February to October, streams of tourists roll there on the fine sandy beach and enjoy the waves and the warmth, which is about 40°C during the day. As there is also a high humidity of over 90%, the best place to spend the day is in the sea or at the pool. The exposed location of South Padre Island has of course also its disadvantage. Many people take a shower several times a day and flush the adherent fine sand with an average grain size of 100 µm into the sewerage system. After a short time, the fine sand then reaches the sewage treatment plant, which has no sand trap installed and therefore struggles with problems again and again due to sand deposits in the biological stage. These circumstances were ideal for our HUBER Grit Trap GritWolf® to prove its efficiency in the separation of fine sand down to a grain size of 75 µm in a test run. The design of the GritWolf® grit trap sets new standards in this respect, because a short aerated chamber, in which floating material is drifting to the surface, is followed by a connected unaerated area with lamella separator. The floating matter is removed discontinuously by a proven paddle. The fine sands continuously separated in the lamella separator collect at the bottom of the machine and are transported towards the suction pump by a type of time-controlled horizontal conveyors that has proven 1,000 times over. In South Padre Island, the GritWolf® was fed with 15 - 50 l/s as the inflow varied over the day. Temporarily, fine sand with a grain size of 100 - 200 µm was additionally added to the natural fine sand feed at an inflow of approx. 40 l/s in order to further verify the new test method for grit traps (see Korrespondenz Abwasser , 2018(65); No. 7; 607-611). The samples taken at the outlet of the GritWolf® clearly confirmed that more than 95% of the sand grains ≥ 100 µm were safely retained. For the upcoming tender the HUBER GritWolf® grit trap has fully convinced the operator. If your wastewater treatment plant is also plagued by fine sand, then our HUBER GritWolf® is the right solution for you. Of course, we can also upgrade your existing grit trap with our GritWolf® technology, so that operating problems caused by fine sand become a thing of the past.[...]

[...]In an interview, Steve Morris, Managing Director of wastewater treatment specialist HUBER Technology UK, takes a look at what Ofwat’s proposals for reducing embedded carbon emissions from infrastructure projects could mean for water companies and the supply chain. Steve Morris: It’s interesting to see that the first discussion paper the water sector regulator Ofwat has published in 2022 is focussed on an issue which looks set to dominate and permeate every aspect of the water companies' operational activities and their decision making processes – net zero carbon. While Ofwat has welcomed the publication of Water UK‘s Net Zero Routemap 2030 , this new paper makes it absolutely clear that it expects the water companies to go much further to cut their carbon emissions. However, the regulator has highlighted the fact that the Routemap does not address emissions from the use of chemicals, embedded emissions, or disposal of sludge to land. And the regulator is looking for the water companies to step up their efforts in an area which undoubtedly has implications for hundreds of companies in the supply chain. In addition to cutting their operational carbon activities, Ofwat now wants the utilities to tackle both operational and embedded emissions in parallel and reduce the embedded carbon emissions from upcoming infrastructure projects i.e. the carbon that is emitted while infrastructure is being built. Introducing the paper, Ofwat says: “The paper is intended to inform water companies' net zero planning and stimulate discussion with us on how we can support the sector in reaching net zero targets.” “It is important that we are clear on these key issues so that companies can plan appropriately for their net zero strategies, particularly as they develop their plans for PR24.” Ofwat wants to see clear evidence of practical actions by the water companies to deliver embedded carbon reductions. So the proposals Ofwat is putting forward are not simply arcane policy aims – the regulator wants to see clear evidence that this is translated into practical actions by the water companies to deliver meaningful results. With the publication of Ofwat’s draft methodology for PR24 on the horizon later this year which includes the introduction of a common operational GHG emissions performance commitment (PC) at PR24, the regulator is now also looking at the practicality of introducing a common PC for embedded GHG emissions. According to Ofwat, in order for the water sector to achieve net zero, it must also deliver reductions in embedded emissions, including: emissions associated with the building and/or installation of a built asset emissions caused by the extraction of materials the manufacture/processing, transportation and assembly of every product and element in the asset Ofwat wants to avoid the risk that a purely operational focus could lead not only to embedded emissions being neglected, but also the risk that actions taken to reduce operational emissions could lead to an increase in embedded emissions. In the regulator’s view, a parallel approach to reducing both operational and embedded emissions will help to safeguard against decisions being taken in isolation avoiding the risk that operational emissions are prioritised ahead of action on embedded emissions – which would risk “the unnecessary early replacement of assets to reduce operational emissions.” How can suppliers help the water companies achieve the outcomes Ofwat will be looking for? So what could this shift in approach mean for the supply chain – and how can suppliers help the water companies achieve the outcomes Ofwat will be looking for? I’m confident that the UK supply chain stands ready to step up to the plate on the issue. Like many companies in the water sector, HUBER has already taken steps to measure and quantify the carbon emissions associated with the goods and services we supply to customers. The ability to do this is already playing a key role in helping the water companies meet Ofwat’s requirements for standardised mandatory reporting of operational emissions for 2021-22 onwards. Going forwards to PR24, it will now also help with meeting Ofwat’s plan to introduce a form of mandatory standardised reporting on their embedded GHG emissions for 2022-23. So what are the implications for hundreds of suppliers? Whatever goes into new infrastructure projects, especially when you consider all the major RAPID infrastructure projects coming down the line – the water companies will have to demonstrate how they are working to deliver real reductions in embedded carbon. So does this mean that going forward, on every project the water companies will scrutinise the supply chain inputs and look at carbon footprint? It’s possible to look at how the introduction of requiring reductions in embedding carbon impacts on the water companies’ investment plans in a number of ways. For instance, Ofwat will presumably not want to see it resulting in the unintended consequence simply deciding to build less, thereby enabling them to report that they are keeping the level of their embedded carbon emissions down. The last decade or so has seen a downward trend of less concrete-intensive infrastructure projects, favouring off- site build, accompanied by a greater focus on maintaining the health of existing assets, rather than simply stripping them out and replacing them. Energy-intensive UK water sector played active part in COP26 conference The energy-intensive UK water sector also played an active part in the COP26 conference in November – and its net zero carbon ambition is now firmly embedded at both company and sector-wide level. In this context it is already keenly aware of the key drivers underpinning which Ofwat flags up in its discussion paper. As a sector, it consumes 3% of the electricity the country produces and is responsible for about 1% of UK GHG emissions, which in turn represents nearly a third of UK industrial and waste process emissions. So Ofwat is undoubtedly pushing at an already wide open door in its effort to help the water companies contribute towards the Government’s longer term goal of net zero for the UK as a whole by 2050. As a supplier, we very much have carbon in mind in this context –we are likewise aware of the requirements now placed on the water companies to reduce their emissions, including embedded carbon. CarbonWin® approach to sludge treatment To flag up just one aspect of our work in this area, our HUBER CarbonWin® solution to sludge treatment is specifically focussed on this issue. The innovative system for carbon removal is already established in Europe and following recent UK trials is gaining traction here. At the heart of the process is the HUBER Drum Screen LIQUID ( DSL). The DSL is an alternative to primary settlement tanks and is designed for new or existing sewage treatment works which need additional capacity. The screen can do a lot of the separation which would normally be done in a primary settlement tank. With ever-increasing energy costs, the DSL’s fine screen technology provides an energy efficient, low footprint, way to reduce SS and COD and optimise the energy balance of the sewage treatment plant. Typically combined with the HUBER Disc Thickener S-DISC - the second stage of the CarbonWin® process can then thicken sludge for use in an AD plant. Whether it’s an existing site that needs to expand but hasn’t got the footprint for additional built infrastructure, or a brand new site with a very tight footprint - the DSL has some unique advantages to offer in terms of common emission reductions. The equipment used in the HUBER CarbonWin® Process has a footprint 1/10th that of conventional primary tanks - thus allowing cost-effective works expansion and improved sludge removal volumes for gas generation, without the need for increased secondary capacity and the associated aeration demand. In terms of the ability to deliver significant reductions in embedded carbon, we know our technology has massive potential to help the water companies, and we are seeing real interest across the country. Other companies at all points in the wider water sector supply chain – from SMEs to large corporates – will no doubt be adopting similar approaches on a wide range of other services and equipment needed for water and wastewater treatment. Supply chain has net zero solutions which water companies could rapidly implement The supply chain has solutions which the water companies could implement today which will start delivering carbon reductions in weeks or months – and they would welcome the opportunity to demonstrate how they can contribute. The Water UK Routemap to 2030, which was drawn up by water industry experts from Ricardo and Mott MacDonald with support from all the water companies, highlighted collaboration as key to achieving net zero in the water sector between now and 2050. Aptly summed up by Mike Haigh, Mott Macdonald’s executive chairman, who commented: “Net zero isn’t something that any one water or wastewater company can achieve alone. Every single organization will have to work with its peers, with the whole of its supply chain, with landowners and with its customers. Government and regulators have pivotal roles in setting the policy and legislative frameworks to enable and incentivise the transition. Net zero by 2030 will be a huge team effort.” Interview by Elaine Coles at Waterbriefing[...]

[...]Barueri, Brazil A comprehensive two-week intensive training course was held at the HUBER Service Academy in preparation for the major Barueri project in Brazil, one of the largest wastewater treatment plant projects in South America. Delivery of the machinery for this project has already begun, comprising a total of 85 units for mechanical wastewater pre-treatment and grit treatment. This includes four different types of screens, for this project and a sister project, namely the HUBER Course Screen TrashMax®, the HUBER Grab Screen TrashLift, the HUBER Multi-Rake Bar Screen RakeMax®, and the HUBER Belt Screen EscaMax®. The portfolio is complemented by HUBER Launder Channel HLC units, the downstream HUBER Screenings Wash Press WAP® L, HUBER Grit Trap GritWolf® and the HUBER Coanda Grit Washer RoSF4. Comprehensive training programme The training course combined detailed theoretical sessions with practical training modules. It covered operational principles, control logic, installation guidelines and systematic troubleshooting procedures. The practical sessions focused on typical inspection, adjustment and maintenance tasks. In addition, two site visits provided the opportunity to accompany HUBER service specialists in maintaining a HUBER Multi-Rake Bar Screen RakeMax® at nearby wastewater treatment plants, to inspect wear parts and to understand the operational processes of a HUBER Grab Screen TrashLift. In addition to the machine-specific content, further training was provided on measurement technology and sensor systems, on control processes for complex interlinked systems, and on the use of surveying and levelling equipment. Another key focus was on the detection and prevention of corrosion. The international training group comprised four participants from Brazil, from both the customer and HUBER do Brasil, as well as service colleagues from Canada, Poland, the Czech Republic and Latvia. In addition to the technical exchange, there was a supporting programme featuring group dinners, a visit to an FC Bayern home match and the 'Rossmarkt' winter folk festival in Berching, offering insights into Bavarian culture. Building expertise as a foundation for the future Six trainers from various HUBER departments were on hand to ensure a high standard of training. A simultaneous interpreter was also available for the Brazilian participants. Having now completed the two-week intensive phase, our Brazilian colleagues are fully prepared for their roles in the major Barueri project. We would like to thank our client for the great trust they have placed in us with this significant large-scale project. Such comprehensive training ensures that subsequent plant operation is as well-prepared as possible and can be carried out to the highest standard in the long term.[...]