The most profitable business area of the STAG value creation chain. The conception of plants provided with bulk material technology, ranging from the concept design up to turnkey plants is the core business of STAG. STAG is particularly well known on an international level for the company’s expertise in the development of innovative system solutions satisfying the highest demands, and its extensive know-how in bulk material technology.
In order to meet the heat demand of Schweizer Zucker AG at its Aarberg site in Switzerland, a biomass power plant has been constructed at the same location. Martin GmbH was charged to build the wood-fired power plant.
During their long-year partnership, Holcim (Schweiz) AG and STAG have already implemented most various conveying systems for bulk products all over Europe.
The evacuation of bypass dust from the preheater tower and the feeding into the five cement mills belong to the activities of Kuwait Cement Company KCC.
At the premises of Holcim (Süddeutschland) GmbH, STAG has implemented several projects concerning pneumatic and mechanical conveying, silo and dosing systems for different bulk products such as cement, iron oxide, hydrated lime, iron(II) sulphate, furnace dust, granulated slag, paper ash and brok
In 2018, the existing flue gas cleaning system of the waste combustion plant SRS Ecotherm has been converted from a lime milk treatment to a conditioned dry process with hydrated lime and bicarbonate dosing.
On behalf of Arge Transco Sedrun, STAG engineered, built and successfully commissioned, in 2003, an extraordinary transhipment plant for bulk products such as cements, ashes and microsilica necessary for the construction of the world’s longest railway tunnel.
Following heavy fuel combustion in the refinery of Exxon Mobil, three electric filters separate the arising ash.
In this diesel-fired power plant, exhaust air is cleaned by means of two electric filters. Respectively two trough chain conveyors per filter serve for evacuating the ash. For each line, a collecting trough chain conveyor is provided receiving the ash.
A wood-fired power plant in the east of France has relied on STAG bulk handling. The two inclined trough chain conveyors are fed directly from the incinerator and convey the hot ash to the storage silos. The storage silos
At the site of Jura Cement in Wildegg, STAG has already implemented several conveying, silo and dosing projects for various bulk products.
The VEOLIA energy group operating at a global scale is one of the largest providers, especially in the area of municipal waste management such as waste water and sewage sludge treatment.
In order to avoid overheating of dry sewage sludge, the material must be regularly shifted. For this purpose, a pressure conveying vessel provided with two outlet flaps has been installed underneath each storage silo.
In the area of water treatment and sewage sludge recycling, STAG implemented over the past years some pneumatic bulk material conveying and storing projects on behalf of the plant operator “SIAAP” in the Paris region.
In connection with the modernisation of the sewage sludge treatment system, STAG has been charged with the provision of all conveying technology and bulk material storage facilities on behalf of ARA Bendern (association of Liechtenstein communes for waster water treatment).
For a steel works in Ostrava (CZ), STAG was awarded the contract to engineer, produce and supply a conveying and injection system for hearth furnace coke (HOK) and limestone (CaCO3) for the purpose of separating dioxides from the flue gases.
At the factory premises of ThyssenKrupp, Europe’s largest steel manufacturing site of an area five times as big as Monaco, STAG compo-nents and systems are mounted at different locations.
At its location in Duisburg-Huckingen, Germany, the Hüttenwerke Krupp Mannesmann GmbH (HKM) runs an integrated iron and steelworks.
Based on our long and successful partnership with HAMON RESEARCH-COTTRELL and ArcelorMittal, we are periodically entrusted with the supply of ash removal plants and additive dosing systems.
Modernisation of the refinery Petrobras based in Northern Brazil and installation of a new flue gas cleaning facility were carried out at the beginning of 2010. As to the conveying technology, the general contractor opted for the Swiss quality provided by STAG.
In Gelsenkirchen, BP is running refinery and petrochemical plants in the city districts Horst and Scholven.
As a specialist company, STAG has been entrusted to supply the conveying systems and components ensuring the removal of catalyst dust of the newly built FCC plant.
In 2009, Liebherr-Werke Nenzing GmbH invited STAG to develop and produce a customised solution for pneu-matic disposal of a lime/cement mixture into the drill ground.
In 2014, a new waste-to-energy power plant equipped with two lines was built in Vantaa, Finland. The two general contractors for boilers and flue gas cleaning opted for conveying technology made by STAG.
The general contractor Rafako from Poland supplied for the first time a complete boiler and electric filter system for the waste-to-energy power plant in Stettin and therefore, opted for the expertise of STAG.
Steinmüller Babcock Environment, based in Gummersbach, is realising the construction of the new waste-to-energy power plant in San Sebastian, Spain.
Based on their long cooperation in the area of conveying systems for thermal waste treatment plants, Hitachi Zosen Inova and STAG have already realised several projects together. In 2015, a completely new waste treatment plant featuring two lines has been put into operation in Perlen (CH).
In Istanbul, Turkey, the biggest waste-to-energy plant in Europe is being constructed.
In the waste-to-energy power plant Hagenholz, the overall bulk material handling in the area of boiler and flue gas cleaning, ash washing as well as dry slagging has been installed by STAG.
In 2008, the most southern waste-to-energy power in plant in Switzerland has been put into operation.
In 2013, a new waste-to-energy plant has been erected in the heart of Great-Britain, realising thus the 10th plant fitted with STAG systems and components on British soil.
STAG has been entrusted by Romelectro to provide the coal-fired power plant in Turceni, Romania, with pneumatic ash transport systems for the boilers 4 & 5.
In the power generation plant located at Voltastrasse, STAG has implemented various pneumatic conveying systems since 1990. The last two projects have been realised in the waste-to-energy power plant in 2006 and in the coal-fired power station in 2013.
Due to its wide experience in the area of ash removal from lignite-fired power plants and to notable reference plants, STAG managed to successfully implement a project in Kosovo on behalf of Hamon Environmental GmbH.
In 2006, STAG received the contract of Fisia Babcock Environment GmbH to equip the lignite-fired power plant (BOA ll - RWE) in Neurath, Germany, with pneumatic conveying facilities designed for the ash removal of electric filters.
In 2013, a modern coal block has been put into operation in Karlsruhe. For this project, STAG was entrusted with the engineering and delivery of the mechanical and pneumatic ash removal of the electric filter.
During the last 20 years, STAG has already supplied, on behalf of Industriellen Werke Basel (IWB), a number of conveying systems for the waste-to-energy plant and the wood-fired power plant integrated therein.
Terephthalic acid is a free-flowing powder serving as base material in the fabrication of plastic granulate, and is supplied to the premises of EMS by tank rail wagons.
At the site of Brandenburg, STAG has been entrusted by Rheinbraun Brennstoff GmbH to build a terminal serving for the transhipment of pulverised lignite from rail to road. STAG was responsible for the engineering, construction, assembly and successful commissioning of the overall plant.