It is necessary to apply synthetic rubber EPDMCT as a material for inter plate gaskets for work with a phosphoric acid. The direction of flow of heat-carriers is counter-current. Calculations were
(PDF) Tubular Heat Exchanger Fouling in Phosphoric Acid Sep 30, 2019 · PDF Fouling in phosphoric acid concentration is a persistent operational problem that compromises energy recovery in this process. Progress is
The invention discloses a kind of descaling method of Phosphoric Acid Concentration heat exchanger, this method is to adopt a kind of cleaning fluid of being made up of rare silicate fluoride
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Graphite Block Heat Exchanger Series GE/GZ Graphite Block Heat Exchanger - Heat exchanger in impregnated grahite for broad application range - Resistant against virtually all leaches, acids, solvents and halogens - Application as cooler, heater, evaporator (thermosyphon or falling film), condenser
Heat exchangers fouling in phosphoric acid concentration Apr 03, 2020 · It can be noticed that, from Fig. 5 and 7 (a, b and c), when the deposit appears in the exchanger, for t = 70 h for the stainless-steel tubular heat exchanger and the graphite blocks heat exchanger (provider (B)) and t = 90 h for the graphite blocks heat exchanger (provider (A)), the dilute phosphoric acid flow decreases by 13 m 3.h 1, while
Jan 01, 2014 · Comparison of heat transfer data for graphite and special stainless steel heat exchanger tubes in a 40% P 2 O 5 evaporator Graphite* Stainless Steel** Replacement Stainless Steel** New Unit Tube, inner diameter, mm 38.1 33.9 33.9 Acid velocity, m/s 2.3 2.3 4.0 Coefficient, acid 5,350 5,500 8,550 Coefficient, fouling*** 1,250 1,250 2,000
The use of plate heat exchangers to improve energy Jul 01, 2009 · For corrosive media such as phosphoric acid, the Hastelloy G30 alloy is used as the heat exchanger plate material (see Table 2). The minimal thickness of the plates from the Hastelloy G30 is 0.6 mm. In conjunction with this, it is necessary to use synthetic rubber EPDM as