As one of the first industrial facilities in Switzerland, the Bern Post Finance arena was restructured from direct ammonia cooling to indirect cooling with ammonia and CO2 as a secondary medium. The restructuring of the cooling system was designed by Walter Wettstein AG, and the system includes altogether 20 Vahterus heat exchangers.
Vahterus supplied a total of five heat exchangers to a heating plant constructed in 2015. The Vahterus heat exchangers help make the plant more efficient while reducing the plant’s carbon footprint and construction costs.
Johnson Controls delivered a large heat pump system with Vahterus heat exchangers to boost a district heating system that formerly extracted heat from fresh lava on a volcanic island near the southern coast of Iceland. The lava temperature has been reduced over the last few decades and the volcanic heat could only be utilized for ten years shortly after volcanic eruption that created havoc in the island back in 1973.
CABB consists of five production plants, contract manufacturers of fine chemicals in Switzerland and Finland, two basic chemical manufacturing plants in Germany and one in India. The factory in Finland accounts for around one fifth of the company’s total production.
Vahterus UK has supplied steam condensers & condensate subcoolers to Cofely District Energy as part of their 25 year concession agreement with Coventry City Council (CCC) to develop a low carbon district heating network for Coventry city centre.
The use of natural gas around the world is growing and in energy production, the traditional oil and coal are expected to be eclipsed by natural gas use in the coming years.
Petrochemical companies tend to be wary of adopting unfamiliar technologies, and Sasol is no exception. At the turn of the century, an urgent process problem called for the installation of an additional fractionation column to remove heavy hydrocarbons from a process stream. The urgency of implementation, and the lack of plot space, meant that some extraordinary measures had to be applied, and so the normal route of a column with an overhead condenser, reflux drum and reflux pumps could not be accommodated. Instead, the column was fitted with an internal overhead condenser and reflux drum with gravity reflux.
Sokolovská Uhelná is one of the largest producers of electricity from brown coal in the Czech Republic. It has a total annual capacity of around 3 500 GWh, which it transmits to the town of Karlovy Vary and other smaller towns in the region. Sokolovská Uhelná is also a coal mining company, producing thermal coal and chemical products derived from brown coal. The company mines about 6.5 million tons of brown coal each year.
Vahterus Plate and Shell heat exchangers (PSHE) are excellent choice for many kinds of applications within oil refineries. In this article we focus on feed/effluent and feed/feed interchangers as they are important in improving energy e ciency of oil refineries.
In autumn of 2014 our Sales Engineer visited two production facilities of “MASLO-DEL” LLP in Almaty. Of the most interest there was a survey of Vahterus PSHEs at the premises of raw edible oil processing. There are six Vahterus heat exchangers made of fully stainless steel on the line of edible oil preparation, which are related to sunflower oil deodorization process handling.