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[...]Digestate is able to play an important role in soil replenishment, but can require some processing before use as an alternative to mineral fertilisers. The Problem AD plants receive a combination of different food wastes from varying sources, with some coming in retail packaging or containing significant plastics contamination. To utilise the waste, material goes through a de-packaging plant designed to separate the valuable food waste from the packaging. Unfortunately, the side effect is that some plastics are broken into smaller pieces and mixed into the resulting “soup”. While these plants do a good job and retain the more bulky pieces of plastic, it is difficult to ensure that no plastics are passed forward. As the plastics cannot be digested, they pass through the plant, leaving with the digestate. Public awareness of plastics is particularly high right now, with the consequences to the environment being well publicised. In addition to the unwanted bad press, residual plastics in digestate can prevent digestate from meeting PAS 100, restricting use and value. PAS 110 is a Publicly Available Specification (PAS) ensuring that sites “produce digested material that meets market needs and protects the environment.” For “Total glass, metal, plastic and any ‘other’ non-stone, man-made fragments > 2 mm” the upper limit is 0.5 % m/m dry matter. Our Solution – HUBER Sludgecleaner STRAINPRESS® In order to meet PAS 110 for use of digestate as a fertiliser, the plastics content must be reduced. We at HUBER have successfully installed our STRAINPRESS® for plastics removal at a number of sites. The unit is successful at removing plastics and other large material, enabling digestate to meet PAS 110. The STRAINPRESS® operates automatically and requires minimal maintenance, ideal for AD plants. The STRAINPRESS® offers: Continuous screening, dewatering and transport of coarse material in one operation. Enclosed, pressurised operation, so no reliance on multiple pumping stages and can be integrated in pressurised pipelines. Complete Stainless Steel fabrication for enhanced asset life. Reliable mechanical perforated plate cleaning without the need for any water or chemicals. Automatic pressure cone system for maximum dewatering efficiency and compaction of the separated material. Typical screenings are 40-50% DS, minimising disposal volumes. Increased operating reliability of downstream sludge treatment systems such as thickening, disinfection, stabilisation, dewatering, drying, and reduced maintenance requirements Quick opening and closure device makes control and inspection easy. The screen section is fixed; the press zone has castor swivel wheels and is therefore easy to shift. When installed between the digester and the first digestate storage tank, the constant head in the digester can be used to pressurise the STRAINPRESS® without pumping. When installed on a platform, separated plastics fall from the STRAINPRESS® directly into a skip below. HUBER Technology can supply the STRAINPRESS® complete with: Frost protection Control panel Support platform or Conveyor James Tucker, HUBER UK’s Industrial Business Development Manager commented that “the STRAINPRESS® is ideally suited to this application and provides excellent results. With nearly 400 units sold in the UK alone and decades of experience servicing and maintaining the units, HUBER STRAINPRESS® units are an obvious choice.” HUBER Technology are experts in providing equipment to enhance Anaerobic Digestion, with post-digestion screening being just one of the options. Other equipment includes grit removal, grit washing, packaging compaction and digestate dewatering. With skid-mounted units available to trial, we are happy to demonstrate the equipment’s performance on your site. Our skid-mounted unit is ideally suited for on-site trials and comes complete with: STRAINPRESS® SP290 unit Multiple basket types for various application requirements Control panel mounted to skid and pre-cabled for plug-and-play Feed pump mounted to skid There is an option to bypass the feed pump so that the STRAINPRESS® can be fed by the pre-existing pump. The STRAINPRESS® operates as a pressurised screen, so can be installed into a pressurised pipeline, not requiring an additional forwarding pump. Process sketch of HUBER Sludgecleaner STRAINPRESS® Three STRAINPRESS® units installed on a platform, with control panels and frost protection fitted Skid-mounted trial unit with feed pump & control panel[...]

[...]Digital Solutions Innovative technology for optimal machine performance with minimal operating costs Digitalisation is making its way into practically all areas of life and is also playing an increasingly important role in the water & wastewater sectors. Buzzwords such as Big Data, Industry 4.0, Digital Twin, intelligent sensor technology or Artificial Intelligence conceal enormous potential for a variety of applications, some of which are already having a major impact on both process and machine technology, but especially will do so in the future. Used sensibly, the possibilities of digitalisation will help us to optimise processes, reduce operating costs, deploy personnel in a more targeted manner, and clean and protect water more efficiently and effectively overall. Digitalisation is making its way into practically all areas of life and is also playing an increasingly important role in the water & wastewater sectors. Buzzwords such as Big Data, Industry 4.0, Digital Twin, intelligent sensor technology or Artificial Intelligence conceal enormous potential for a variety of applications, some of which are already having a major impact on both process and machine technology, but especially will do so in the future. Used sensibly, the possibilities of digitalisation will help us to optimise processes, reduce operating costs, deploy personnel in a more targeted manner, and clean and protect water more efficiently and effectively overall. Cloud Solutions Master the growing challenges in wastewater and sludge treatment with digital solutions and counteract rising operating costs and quality requirements through digital solutions and evaluation of collected dates to identify optimization potentials. Impurity Detection Systems HUBER Detection System Safety Vision: Innovative digitalisation module for the HUBER Multi-Rake Bar Screen RakeMax® to identify critical material and to protect the screen and downstream machines. Wear Detection Identification of the ideal time for screw shaft maintenance: HUBER Wash Press wear detection system for a preventive maintenance strategy Chemicals Dosing Optimal chemicals dosing is a prerequisite for best purification performance at minimum operating costs. HUBER is working on various topics to integrate the benefits of digitalisation into machine and process technology. We use the digital know-how of internal and external experts and combine this with our many years of expertise in all areas of water, wastewater and sludge treatment. First examples of digital HUBER solutions are: HUBER Chemicals Dosing DIGIT-DOSE: Based on data generated by a clever combination of several measuring principles, an intelligent algorithm calculates in real time the optimal dosage amount of the required chemicals for an optimal operation of the HUBER Dissolved Air Flotation Plant HDF. HUBER Detection System Safety Vision: This innovative technology enables the HUBER Multi-Rake Bar Screen RakeMax® to distinguish "critical" contaminants from "normal" screenings. Critical contaminants that would lead to a disruption of operation are detected in real time, the screen is stopped in time and the operator is fully informed. HUBER Wash Press wear detection system: A sensor with LED signal informs the operator as soon as wear has progressed to the point where maintenance should be scheduled. Predictive maintenance replaces unplanned and costly machine downtime with a planned service call. HUBER cloud solutions: Machine and process data are continuously transferred from the local plant control system to the HUBER cloud, where they are processed into defined key figures. The HUBER Portal, which is always available online, enables the visualisation of all machine and process data in real time and provides valuable information for operation and maintenance.[...]

[...]HUBER solutions for permanent safe drinking water supply and distribution In water networks, many manholes are installed to accommodate branches, shut-off valves, backflow preventers and sampling points. The manholes must be securely covered and sealed, and well ventilated. In addition, they must be safely accessible via step irons or ladders. HUBER supplies permanently safe stainless steel components for manhole equipment: Manhole covers Venting chimneys Safety access ladders and safety climbing systems with guard rail Entrance aids Pre-fabricated stainless steel manholes HUBER stainless steel products for manhole equipment offer high quality, functionality, safety and durability. All products are made of high quality stainless steel and are passivated in our own acid bath so that all surfaces are optimally protected. An excellent service life as well as the efficient HUBER production in large series make HUBER products particularly competitive.[...]

[...]Access door for buildings in the field of potable water supply equipped with a burglar alarm system Security door, burglar and attack proof, certified to security of DIN EN 1627, resistance class RC3, ready for installation, double skinned, completely made from 1.4307 (AISI 304 L) stainless steel, with double rubber seal, the door leaves and frame closing flush, the fixable and swing leaf opening to the outside (in escape direction). Door leaves with injected CFCs-free polyurethane hard foam insulation, longitudinally ground surface finish, with rubber seal. Fastened to the frame with stable maintenance-free hinge plates. The closed door leaves engage flush with the frame by means of solid anchor bolts engaging in the frame for four-point locking. Galvanized safety lock with stainless steel forend, with austenitic manganese steel plate as anti-drilling protection, provided for a customer-provided mechanical profile half cylinder in accordance with DIN 18252:2006-12,21-,31-,71-BZ), with anti-panic lock, i.e. the door can any time be opened from inside by operating the handle, even when locked. Protective stainless steel fitting, without cylinder cover, with a rigidly mounted turning handle and a red plastic handle inside. The fixable leaf is operated by means of a sliding locking bolt. The contact surface between the opening leaf and fixable leaf is rubber sealed. Frame, three-sided , fabricated from special section, with inserted rubber seal, with step flashing, including fixing material. Frame and door shielded arc-welded and acid bath cleaned before washing, drying and surface passivation. Options 1.4404 (AISI 316 L) stainless steel One/two security ventilation louvre(s) size 500 x 300 mm Provided for a customer-supplied digital profile cylinder with anti-panic function and pulling protection Upper door closer, lockable in position One-part or two-part door arrestor Lowerable floor seal Lockable from inside with a second handle Surface finish (lacquer with or without anti-graffiti properties, copper covering, wooden panelling) Electronic monitoring options (alarm system in door surface, magnetic contact, lock-bolt contact, block lock) Door heating (heating cable in frame and/or door surface), without temperature sensor, without controls Lock for two side-by-side profile cylinders (that can be opened independently) Stainless steel rain protection rosette for the stainless steel profile cylinder Block frame insulation Potential equalisation on frame Steel sheet finish for exterior door surface for installations exposed to sunlight Frame / mounting: Z-frame – bolted with dowelling clips Block frame – bolted with dowelling clips Block frame – bolted through the frame Door opening options: Hinges on left Hinges on right Note: If the door is exposed to sunlight, its operability may be affected. In such a case, it is recommended to equip the door outside with a wood panelling or steel sheet.[...]

[...]Access door for buildings in the field of potable supply without a burglar alarm system Security class RC4 is recommended by the criminal investigation department if the building is not secured by means of a burglar alarm system. Security door, burglar and attack proof , certified to security of DIN EN 1627, resistance class RC4, ready for installation, double-leaf, double skinned, completely made from 1.4307 (AISI 304 L) stainless steel, with double rubber seal, the door leaves and frame closing flush, the fixable and swing leaf opening to the outside (in escape direction). Sound insulation: 34/29 dB. Door leaves with injected CFCs-free polyurethane hard foam insulation, longitudinally ground surface finish, with rubber seal. Fastened to the frame with stable maintenance-free hinge plates. The closed door leaves engage flush with the frame by means of solid anchor bolts engaging in the frame for four-point locking. Additional protection of the internal lock box through an attack-proof protecting plate with anti-panic function. Galvanized safety lock with stainless steel forend, with austenitic manganese steel plate as anti-drilling protection, provided for a customer-provided mechanical profile half cylinder in accordance with DIN 18252:2006-12,21-,42-,82-BZ, with anti-panic lock, i.e. the door can any time be opened from inside by operating the handle, even when locked. Protective stainless steel fitting, with cylinder cover, with a rigidly mounted turning handle on the stainless steel outside cover and a red plastic handle inside. The fixable leaf is operated by means of a sliding locking bolt. The contact surface between the opening leaf and fixable leaf is rubber sealed. Frame, three-sided as block frame , with inserted rubber seal, with step flashing, including fixing material. Frame and door shielded arc-welded and acid bath cleaned before washing, drying and surface passivation. Options 1.4404 (AISI 316 L) stainless steel One/two security ventilation louvre(s) size 400 x 200 mm Provided for a customer-supplied digital profile cylinder Upper door closer, lockable in position One-part or two-part door arrestor Lowerable floor seal Lockable from inside with a second handle Surface finish (lacquer with or without anti-graffiti properties, wooden panelling) Electronic monitoring options (alarm system in door surface, magnetic contact, lock-bolt contact) Door heating (heating cable in frame and/or door surface), without temperature sensor, without controls Lock for two side-by-side profile cylinders (that can be opened independently) Block frame insulation Potential equalisation on frame Steel sheet finish for exterior door surface for installations exposed to sunlight Mounting: Bolted with dowelling clips Bolted through the frame Door opening options: Hinges on left Hinges on right Note: If the door is exposed to sunlight, its operability may be affected. In such a case, it is recommended to equip the door outside with a wood panelling or steel sheet.[...]

[...]Access door for buildings in the field of potable water supply and wastewater disposal with average security requirements Door, ready for installation, double door, double skinned, completely made from 1.4307 stainless steel (AISI 304 L), with double rubber seal. The door leaves and frame closing flush, the fixable and swing leaf opening to the outside (in escape direction). Door leaves, skin: 1 mm , 55 mm thick, with injected CFCs-free polyurethane hard foam insulation, longitudinally ground surface finish, with rubber seal. Fastened to the frame with stable maintenance-free hinge plates. Mortise dead lock according to DIN 18251, class 3, with increased corrosion protection, stainless steel forend, provided for a customer-provided profile double cylinder (mechanical or digital), handle and cover of stainless steel. The fixable leaf is operated by means of a sliding locking bolt. The contact surface between the opening leaf and fixable leaf is rubber sealed. Frame, three-sided , fabricated from special section, with inserted rubber seal, with selectable sill closure, including fixing material. Options Frame: Z-frame Block frame Mounting: Embedded Bolted with dowelling clips Bolted through the frame (not to affect the finished wall) Door opening options: Hinges on left Hinges on right Sill closure: With step flashing Without step flashing Other Options: 1.4404 (AISI 316 L) stainless steel Panic lock Upper door closer, lockable in position One-part or two-part door arrestor Surface finish (lacquer with or without anti-graffiti properties, copper covering, wooden panelling) Electronic monitoring options (alarm system in door surface, magnetic contact, lock-bolt contact, block lock) Door heating (heating cable in frame and/or door surface), without temperature sensor, without controls Potential equalisation on frame Security ventilation louvres, openings to admit light Steel sheet finish for exterior door surface for installations exposed to sunlight[...]

[...]Complete system solutions for drinking water reservoir equipment HUBER has been committed to the development and supply of equipment for drinking water reservoirs for decades and relies on the material stainless steel. A wide range of standardised products as well as complete system solutions have been developed. The product range includes manhole covers , venting chimneys , access ladders , doors , louvres , windows , pressure-tight doors . Many standardised parts are even available from stock at short notice. In addition, HUBER develops special solutions together with the customer. Reliable and safe products for Reservoir ventilation, air filtration Object protection Access to water chamber[...]

[...]Safety for people and water with HUBER products and solutions Water is our most important food and every human being worldwide should always have access to water in sufficient quantity and quality. The task of water suppliers is the extraction, treatment, storage and distribution of water to the consumers. HUBER has been supporting the water utilities in their task for decades with an extensive product range and numerous solutions. HUBER products and solutions for the safety of people and water Drinking Water Treatment : Selected process technology for the production of drinking water from groundwater, surface water and seawater. As a specialist for solid-liquid separation, HUBER is a competent partner for many tasks in drinking water production and treatment. Safe Access Solutions : The entire drinking water infrastructure must be protected against unauthorized access. A large number of shafts, tanks and buildings must be equipped with appropriate access points. HUBER has solutions that both protect the water in the best possible way and take into account occupational health and safety concerns. HUBER has the right solutions for all challenges regarding: Drinking Water Reservoir Equipment Water Distribution Protection against Flooding[...]