Based on Wilk-Graphites SIC block heat exchanger. This patented system concentrates sulfuric acid (H 2 SO 4) from any concentration up to 99.3%. It halves the investment costs (CAPEX) and the required footprint. At the same time, the ongoing operating costs (OPEX) are also reduced by producing process steam up to 10 bar as a by-product.
With the high-temperature treatment of sulfuric acid using the Pfaudler HTX Heat Exchanger, Pfaudler has developed a special thermal oil heated glass-lined steel heat exchanger which allows for acid temperatures up to 250°C. Sulphuric Acid ManufacturingGasket plate heat exchanger semi-welded plate heat exchangers Max connection diameter/DN 500 200 Max. volume ow m³/h 4000 650 Max. Heat transfer surface/m² 1520 320 Designed Pressure rate MPa 2.5 2.5 Temperature ( for high concentrated sulphuric acid)-40-100 -40180 Plate material SS 316, Avesta 254 SMO, Hastelloy C276, Frame material
Supplier of tantalum heat exchangers, especially the ones required in the sulfuric acid concentration process:tantec-online.de: Metal Fabricators Inc. Manufacturer of process heat exchangers, using the reactive metals Tantalum, Zirconium, Niobium and ium. Experience with concentrating sulfuric acid. titanmf
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