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[...]On Thursday, 28 April, nine girls visited HUBER SE at the company’s headquarters in Berching to learn about apprenticeships in the fields of wastewater technology, construction, crafts, mechatronics and IT on Girls’ Day 2022. HUBER participated in Girls’ Day for the eleventh time. Exciting insights into the fields of wastewater technology, construction, handicraft, mechatronics and IT The girls from grades six to eight, who came from the region from Breitenbrunn to Freystadt, immersed themselves in the “world of clean water” during the day and learned about the sustainable water cycle. Before the schoolgirls could get a taste of two of the industrial-technical apprenticeships, they were allowed to assemble their own water filter to better understand what the machines produced by HUBER do. In the further course of the day, employees and trainees of the departments made themselves available as guides and showed the girls their workplace and daily tasks for two hours each. Head of Human Resources Michael Hiller: “Vocational orientation should be free of gender stereotypes” “Professional orientation should be free of gender stereotypes”, says HUBER’s Head of Human Resources Michael Hiller. “The fact that we are already participating in Girls’ Day for the eleventh time underlines how important this topic is to us at HUBER. It is about saying goodbye to outdated role models and clichés and showing: skills, knowledge, commitment and personality decide who fits into which profession – and not gender. Especially in the industrial-technical sector, for example in construction, crafts, mechatronics and IT, there are generally fewer women working. On Girls’ Day, we want to give girls interesting and exciting insights into precisely these areas and look forward to welcoming them back to HUBER later when they apply for a job.” At the end of this year's Girls’ Day, the participants met for a feedback session. Annalena Krauser from the HR department presented all apprenticeships and dual study programmes as well as the application process at HUBER before the girls received a certificate of participation as a farewell to the event. All the girls agreed that Girls’ Day was a good opportunity to find out whether an industrial-technical profession might appeal to them. Girls’ Day aims to offer girls and young women practical experience in professions in which generally fewer women work. The goal: giving young women and girls a new, additional perspective for their professional future. Girls’ Day is the largest career orientation project for schoolgirls worldwide. Since the campaign started in 2001, about 1.9 million girls have taken part, with more than 10,000 offers from companies and organisations in the fields of technology and science so far.[...]

[...]HUBER masters growing challenges in wastewater treatment with digital solutions: HUBER Cloud Solutions HCS Counteracting rising operating costs and quality requirements through digital solutions Identify and exploit optimization potentials through data evaluation HUBER Cloud Solutions HCS as a basis for future additional services The challenges in wastewater treatment are constantly growing and the adequate treatment of wastewater and sludge at wastewater treatment plants is becoming increasingly difficult. The reasons for this are the increasing demands on the treated wastewater and sludge combined with dwindling personnel resources and rising costs for energy and operating materials. As a result, the treatment of wastewater and sludge must be optimized in an efficient manner. Potentials of Digitalization Challenges: Counteracting rising operating costs and quality requirements with the potentials of digitalization In order to successfully meet these challenges and support wastewater treatment plants in their operation, HUBER is developing new solutions and services. In doing so, the company is increasingly focusing on the benefits of digitalization and digital transformation and is further developing its products and solutions by consistently incorporating digital potential into the product development process. Objectives: Status description and optimization potential through data analysis The "raw material" of digital transformation is primarily data. This data is generated at any time by sensors and actuators in a machine or process. The collection and subsequent evaluation of this data requires specific knowledge of the machine and process technology as well as knowledge of mathematics and statistics. The evaluation makes it possible to describe the condition of a machine or process and to identify optimization potentials. These may include recommendations for lower-wear operation, advice on reducing electricity and water consumption, and suggestions for reducing operating materials such as precipitants and flocculants. Implementation: Development of the HUBER Cloud Solutions HCS To implement these goals, HUBER has started the development of the HUBER Cloud Solutions HCS, in which the digital service offers will be bundled in the future. The basis of this service is the recording of data at the local switchgear and control system of the machine or process and the transmission of the data in encrypted form via the internet to the HUBER Cloud for further processing. On the one hand, this includes the real-time calculation of key figures, which can be used to interpret the status of the machine or process. In the event of both atypical, abrupt changes and creeping, gradual deterioration in the key figures, the operator can be given immediate recommendations for action to maintain and improve the process. On the other hand, the data is used for further analysis to create additional key figures and gain new insights. In this way, customers continuously benefit from HUBER’s constantly growing knowledge and reduce both their time for troubleshooting and process optimization and their effort for machine maintenance. All recorded data as well as the calculated key figures are visualized in the HUBER Portal and are thus also available online to the operator at any time.[...]

[...]Salt Lake City, USA Solar drying of sewage sludge is a technique that is increasingly used to reduce sludge disposal costs and at the same time protect the environment. Today, operators of even medium-sized and large wastewater treatment plants from all over the world appreciate our innovative and reliable solar dryers. The HUBER Solution for sewage sludge drying with solar energy is working with a continuous drying process, that is odourless due to complete restacking of the sludge. Its unique combination of sludge turning and transport performs both spreading and turning of the sludge as well as baxmixing and its transport from one side to the other. Due to their high efficiency our solar dryers can be operated the whole year round even in temperate climate zones with solar power alone. This gives of course an outstanding eco-balance and cost-efficency. So, the first HUBER SRT installations with with HUBER Sludge Turner SOLSTICE® in the Rocky Mountains have been in operation for almost a year now, even during winter. The site is located near Salt Lake City, in one of the most attractive skiing regions in North America. When the sun shines on the greenhouse the temperature in the drying bed can easily rise higher than 15 °C despite sub-freezing temperatures outside. The plant is operated the whole year round even though drying results are naturally better in summer. Under this project HUBER SE supplied not only three of the biggest size solar dryers (type SRT 11) but also a new sludge dewatering system. HUBER thus ensures trouble-free operation on site from thin sludge treatment to the dry sludge granulate. Due to the automated feeding system no pasty sludge from the dewatering units needs to be handled. In North America golf sport is very popular, even on the dry and nutrient-poor soils in Utah. The Tooele sewage treatment works where the HUBER solar dryer is installed becomes the lifeline for the local recreational areas: The clarified wastewater can be used to irrigate greens while the dried sludge is a good fertiliser which is especially hygienic during summer. Valuable raw materials for the golf course are recovered from dirty wastewater – a good reason to nominate this golf resort for an award. Thanks to these positive experiences with HUBER equipment more solar drying projects are already in the planning stage in the USA. HUBER's solar drying systems have been recognized as well-proven technology in Europe for many years already. Now they become increasingly accepted even overseas as innovative yet solid solutions. Facts and figures: 3 units HUBER Solar Dryers SRT with HUBER Sludge Turner SOLSTICE®, size 11 2 units HUBER Screw Presses S-Press for upstream sludge dewatering Hall lenth: 3x 100 m 3.000 m² drying area 5.800 t dewatered sludge / year Sludge dried from 18 % DS to 70 % DS (average) Special feature: operation during the whole year only with solar power - no external thermal energy[...]

[...]Single-beam entrance aid, with design certification in accordance with DIN 19572 Made of 1.4404 (AISI 316 L) stainless steel. Available as either a removable and portable or as stationary collapsible unit. Consisting of a handle and guide. Guide with two holes, diameter: 12 mm, for bolted fixing to the wall of the manhole. With a possibility of adjustment for the handle. Handle of distortion-free pipe, 33.7 x 3.6 mm, total length: 1500 mm. Completely shielded arc welded, acid-treated in a pickling bath and passivated. Optionally available in: Stainless steel fixing material: stud anchors Special design: Suitable for ‘econorm’ manholes, wall distance to beginning of insertion opening: 158 mm[...]

[...]Collapsible hand post with double handle, with design certification in accordance with DIN 19572 Made of 1.4307 (AISI 304 L) stainless steel, for safety access ladders with 300 mm, 400 mm, 500 mm width, for ladder lengths from 2010 mm. Overall length: 1800 mm. Entrance aid in accordance with DIN 19572. Access ladders must have a handhold at their exit. This requirement is deemed to be fulfilled if one or both handles of a ladder project at least 1.1 m beyond the exit height. Completely shielded arc welded, acid-treated in a pickling bath and passivated. Optionally available in: 1.4404 (AISI 316 L) stainless steel[...]

[...]Screens for solids retention at sewer overflow structures for the protection of water bodies Structures with overflow are used to relieve the sewer system during rainfall. They either discharge the excess water/sewage/combined water directly into the receiving watercourse or initially store it temporarily. In practice, different types of structures can be found: Stormwater overflow: As soon as the water level in the sewer rises above a maximum permissible level, wastewater is discharged into the receiving water via an overflow channel. Stormwater overflow tank: When the rain weather begins, the wastewater is stored in a tank. When the tank storage capacity is reached, the wastewater is discharged via an overflow into the nearest watercourse. At the end of the storm event, the contents of the tank are discharged back into the sewer system and further to the wastewater treatment plant. Stormwater retention tank: These basins are only used for temporary storage of combined sewage or wastewater and do not have an overflow into a receiving water body. Sewer with storage capacity and overflow: Such reservoir sewers are very large sewers that can store wastewater. If the storage sewer is equipped with an overflow, it functions like a stormwater overflow basin. HUBER Screening Systems HUBER offers proven screening systems for overflow structures for all tanks, basins and sewers that discharge wastewater into a body of water. These systems reliably retain solids from combined sewage or wastewater, and only mechanically pretreated wastewater enters the watercourse. This minimises the discharge of contaminants into the environment. The retained screenings can either be fed to the sewage treatment plant via the sewer system or discharged on site.[...]

[...]Complete process technology for the treatment of surface water Surface water can be treated into drinking water using the following physical, mechanical and chemical process steps: Coagulation: Dosing a coagulant to the raw wastewater Flocculation: Dosing a flocculant, and possibly a flocculation aid, to the raw wastewater results in the formation of flocs. Clarification: The flocs are separated from the water e.g. with a lamella separator. Filtration: The clarified water is then filtered to separate even the smallest solids and flocs. Depending on the requirements, single-layer or multi-layer sand filters can be used for this purpose. Disinfection: Depending on the requirements, various options are available for disinfection: sodium and calcium hypochlorite, chlorine dioxide, chlorine, ozone, UV disinfection. The Mena-Water SafeDrink Package Plant is a cost-optimised treatment system that is available in a containerised design for quick-and-easy installation and is highly mobile. For more extensive purification of the water, reverse osmosis can be used as a further process step. Reverse osmosis is also able to separate dissolved salts and harmful compounds. The Mena-Water Reverse Osmosis System is quickly ready for use on site with little installation effort.[...]

[...]Solutions for Sludge Treatment Highly efficient and comprehensive solutions for all stages of sludge treatment Mechanical Sludge Treatment Solutions for reliable mechanical sludge treatment - screening, thickening, dewatering. Sludge Drying Wastewater sludge is dried to minimize its mass and to save sludge hauling and disposal costs. HUBER offers various solutions to minimize the sludge volume to be disposed. Efficient solutions for cost-effective sludge disposal and utilisation Sludge is produced during municipal and industrial wastewater treatment, and many industrial processes also generate sludge. This sludge can either be recycled or must be disposed of. The higher the requirements for wastewater treatment, the more sludge is produced. Primary treatment separates solids contained in the raw sewage – the primary sludge. Secondary sludge (excess sludge) is the separated biomass from the biological treatment stage. Tertiary sludge is generated by additional advanced chemical/physical treatment. The existing and future challenge in sludge treatment is to process the generated sludge with further process steps as cost-effectively and energy-efficiently as possible to such an extent that safe disposal or even economic use is possible. The objectives of sustainable environmental management have to be reconciled with economic aspects and practical solutions for the operator on site. HUBER has the right machines and plant technology for tailor-made solutions for all stages of sludge treatment: Mechanical sludge treatment : removal of coarse material and other solids, and thickening and dewatering of sludge to reduce volume. Sludge drying : thermal processes for partial or complete drying of sludge as a prerequisite for safe and economic sludge disposal or recovery.[...]

[...]Efficient drying process for partial drying of sludge The HUBER Disc Dryer RotaDry® is used for the disc drying process. A disc dryer is a contact dryer that transfers heat to the medium to be dried via direct contact of the hot disc. HUBER is an expert in drying processes and designs the optimal drying plant based on the individual requirements to ensure an economically and ecologically optimal utilisation of the sewage sludge. Disc Drying of Sludge The entire disc dryer process consists of the following main components and process steps: Intermediate storage and feeding To ensure continuous drying operation, the dewatered sludge is temporarily stored in a sludge bunker and conveyed to the disc dryer by a pump (alternatively screw conveyor). Disc dryer The sludge falls into the HUBER Disc Dryer RotaDry® on the feed side and is slowly conveyed towards the discharge by the rotary motion of the discs and shovels mounted on the disc periphery. A discharge screw completes the disc dryer system and determines the fill level inside the dryer by its frequency converter controlled speed. The disc dryer is mostly used for partial drying to a DR of 40 - 45% and the sludge is then thermally utilised in a fluidized bed incinerator. Provision of heat The HUBER Disc Dryer RotaDry® is heated with saturated steam (1.5 bar(a) and 10 bar(a)). Vapour condensation Two product streams leave the disc dryer after drying: the partially dried sludge and the water vapour with leakage air content (vapours) expelled from the sludge. The water vapour is precipitated in the vapour condenser, the vapour condensate is stored temporarily and then passed on for treatment.[...]

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