sealing system Articles
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Construction of a surface respository in the Ukraine case study
As part of the shutting down of the nuclear power station in Chernobyl, a surface respository for weak to medium radio-active waste is being constructed around 30 km away from the power plant premises. The total building project JCSRM-Industrial Complexe for Solid Rodwaster Management) is sponsored by the EU and RWE Nukem GmbH, general contractors for these measures, commissioned NAUE GmbH & ...
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Construction of a road tunnel on the Autobahn A38 case study
Umbrella lining with Carbfol Today's modern traffic tunnels are increasingly being planned with a projected functionality for over 100 years – despite difficult geological and engineering conditions. The overriding objective of tunnel construction is the protection against the effects of groundwater and penetrating water. The local conditions at the highway tunnel construction site on the ...
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Environmental protection with Bentofix case study
The project had been discussed for more than 40 years before the three-laned road (width 11.50m) was finally constructed in 2002. The required water protection measurement was performed in four working steps according to the planning of the designing office Misera in Freiburg: A 10cm thick sand layer was installed over the prepared subgrade A needlepunched geosynthetic clay liner (GCL) ...
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Seal-Record in Essen, DE. case study
The largest main collector within the jurisdiction of the Public Utility Company Essen has a nominal diameter of DN 3800. This main collectortown centre presented damages thatwere in need of redevelopment. After a thorough inspection, 33 leaky joints were selected for this pilot project and the company SMG Bautenschutztechnik fur Hoch und Tiefbau GmbH received the order. Project description The ...
By Amex Sanivar
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Extracting PCDD/F from Soil and Grass Samples
We are presenting the use of BÜCHI's Extraction Unit B-811 for isolating polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/F) from solid environmental samples (soil, grass) under standard conditions and by means of hot extraction. The extracts received will be further processed by means of an internationally recognized method and analyzed with high-resolution GC/MS in the single-ion ...
By BUCHI
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Ämmässuo landfill, Finland case study
Opened in 1987, the municipal landfill Ämmässuo in Finland extends over 50 ha, making it one of the largest in all of Scandinavia. Two test fields were set up to find a suitable solution for the surface sealing system and future slope reinforcement The structure of these fields consists of a mineral gas-drain layer, a mineral sealing layer, a geosynthetic clay liner, a protection ...
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Troublesome leaks
Blowers and Vacuum Pumps employed in evaporator systems have problems with frequent leaks. This includes both the internal and external sealing systems. Beginning with 2016, following numerous tests, CONCES offers all end users of evaporators, new solutions for blowers of various manufactures. A well-sealed Blower and Vacuum Pump guarantees ultimate efficiency of your sewage treatment system. ...
By Conces
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Micronized-Water-Base-Wax
Features: Easy dispersionHigh gloss and hardnessGood scratch resistance and dirt resistance Application: water emulsion waxThey have affinity for water-based system and is suitable for various water-based and ink and coating It can be used for water-based ink varnish and waterborne coatings. Provide anti-adhesion, anti-scratch, anti-fouling and anti-friction effects, while providing a smooth and ...
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BA-C500 pump still going strong after 10,000 hours in service
A high volume jet water pump has been working on board of a sand dredger, belonging to the Dutch company De Vries & van de Wiel, since May 2010. This big 20" pump has worked flawlessly without significant maintenance since the first commissioning. After more than 10,000 hours of reliable service, the drive - a powerful V12 diesel engine - needed a complete overhaul. During this work BBA ...
By BBA Pumps BV
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Case study - tailing ponds
Location: Canada Year: 2012 Working context Oil Sand - Tailing pond dredging - The standard industry practice is to pump oil sands tailings into large settling ponds. There, the heaviest material settles to the bottom, separating from the top layer of water which can be recycled. The problem Oil sands tailings are a mixture of water, clay, sand and residual hydrocarbons produced during the ...
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Development of a sealing material and robot for automatic socket rehabilitation of grey cast iron pipes in drinking water supply systems
The project DeWaLoP, led by Vienna Water, aims to develop a robot that is able to apply a sealing system to repair the joint sockets of pressure operating water pipes measuring about 1 m in diameter. To do this, a modification of the sealing material for inner surface application will be developed and a complex robot system will be designed to perform various tasks, such as inspecting, cleaning ...
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Submersible Sand Pump with Agitator
Hydroman™ Submersible Sand Pump is the ideal pumping equipment to handle sand, sludge, slurry and other high density water mixed solids,because Hydroman™ TSQ submersible sand pump adds a agitator at the bottom of pump body, so the submersible sand pump can achieve high concentration delivery without auxiliary equipment.Submersible sand pumps also known as submersible slurry pumps, dredge Pumps, ...
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DHL logistics campus ground water protection case study
When the massive logistics campus in Unna begins operations in the near future, it will change the face of the region. Approx. 350 people will be working in the massive 90,000 square meter hall helping two million pallets annually get to their proper destination. The facility requires proper safeguards especially with regards to chemical materials. The leading international logistics company DHL ...
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Food & pharmaceutical - carbonating mineral water - Case Study
PROBLEM A leading producer of bottled mineral water was experiencing problems using a conventional glass bead carbonator for dispersing and dissolving carbon dioxide gas in water. Consistent gas bubble sizes were impossible to achieve without frequent maintenance and lost production. A further problem with the conventional equipment, which was designed without any particular attention to ...
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Heavy Duty Sand Pump
Hydroman™ TSQ Heavy Duty Submersible Sand Pumps are specially suitable to be used for pumping sand. Sand is pumped mixed with water up to 70% of solids by weight. The mixture of liquid and particles of sand and gravel is pumped in a procedure often used as a convenient way of handling sand and gravel. Hydroman submersible sand pumps can be used in sand and gravel extraction, dredging of ...
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Higher pumping efficiencies for medium-duty applications
Climbing power prices, particularly for new mine sites in remote locations, have sparked an increasing global demand for power savings solutions in the mineral processing industry. Over the years, plants have been using heavy-duty slurry pumps in applications where they are more powerful than needed. Because no plant should pay out increased energy costs for under-used pumps in medium-duty ...
By FLSmidth
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Pumping at Subzero Temperatures
Pumping of cryogenic (low-temperature) products is important for many applications, especially in the field of liquefied natural gas (LNG). The Sulzer J-unit is a special sealing system for cryogenic pumps. It was invented more than 60 years ago. The evolution of the J-unit design since then has been impressive and has now resulted in a recently filed patent application by Sulzer. Since ...
By Sulzer Ltd.
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Restoration of a brick chimney with a dual lining system and polymer concrete
A brick flue at a generating station was in need of rehabilitation because of the spalling and cracking of the brick. This caused a leakage of acid gases into the annulus. A typical flash coat system was not desired because of its relatively short life. A system of corrosion-resistant materials, which has shown excellent performance and durability, was chosen to make the repairs. The system ...
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Federal motorway A6 Mannheim-Heilbronn case study
Stable RiStWag -construction guidelines for roadways in water preservation areas Included in the A6 federal motorway construction project lot Mannheim – Heilbronn/Weinsberg, AS Bad Rappenau – AS Neckarsulm is the widening of km 631+640 and km 641+060 to six lanes. This section is runs through a water preservation zone, type IIIa, protected under RiStWag. Because of this, a sealing ...
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Hydroman™ TSQ Submersible Sand Pumps
Hydroman™ TSQ Submersible Sand Pumps are a world's standard submersible agitator pump, Capable of transporting up to 70% solids, this pump is born to dredge and has earned itself a 'solids-handling' reputation for reliability and durability in the world's toughest applications, The wear parts are made from high chrome alloy, It is widely used in pumping sand, sludge, gravel, stone, mud, ore ...
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