Updated worldwide glass market study 2024 available now for flat, container glass and tableware

We have updated our international studies on flat glass, container glass and tableware for 2024.

This unique software provides a global overview about glass producers and technical details. Easy to use and clear tables summarize information and data about glass makers such as: Glass types: flat glass, container glass, tableware, production capacities in regions and countries, number of furnaces, furnace types, year of construction, glass types and sub-types, products, project information, special news and downloads.

Further databases supplying demoscopic data and import and export data complete the market survey. Based on these data, prepare individual country profiles with information about local production capacities, local market sizes and expected demand in the future.

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Contact Info

Address VSS-Umwelttechnik GmbH
Heuserweg 13-15
53842 Troisdorf
Country Germany
Email Get in contact with VSS-Umwelttechnik GmbH

Products or Machinery

Gas scrubbers for the glass industry
During the acid polishing of crystal glass, a mixture of sulphuric acid (H2SO4), water (H2O), hydrogen fluoride (HF) and hexafluorosilicic acid (H2SiF6) is used. When the surface layer of the crystal glass comes off, silicon tetrafluoride (SiF4), is formed which, aside from the hydrogen fluoride, evaporates at bath temperatures of 55° C.

In order to meet the maximum working-site concentration limit values and the limit values of the TA air, extraction- and exhaust gas cleaning systems must be employed.

VSS-Umwelttechnik recommends multistage systems in which the number of gas scrubbing stages is adapted to the hexafluorosilicic acid concentration in the waste gas. The first stages run with an excess of acid in order to avoid the formation of gelatinous silicic acid. To ensure that the excess acid is guaranteed at any time and on even the most diverse crystal surfaces, the acid concentration is continuously supervised. As the last stage, a final HF cleaning is advisable using a slightly acid scrubbing solution.