Tubular reactor Demonstration of the influence of temperature and reaction period on the alkaline saponification reaction Features - tubular reactor with temperature control - saponification reaction with conductivity measurement to determine the conversion rate - preheating of the reactants Learning objectives/experiments - fundamentals of a saponification reaction - conversion rate -- as a function of retention time -- as a function of temperature -- as a function of reaction order Specification [1] continuous tubular reactor to carry out a saponification reaction [2] 10 tubular heat exchangers as reactor [3] 2 identical pumps to convey the reactants [4] adjustment of the volumetric flow rates of the reactants at the pumps [5] preheating of the reactants with 2 stainless steel coiled tubes [6] T-piece for mixing the preheated reactants [7] hot water tank with temperature control [8] measurements for electrical conductivity: at the inlet, centre and at the outlet of the reactor [9] measurement of conductivity and temperature with 3 combined sensors [10] GUNT software for data acquisition via USB under Windows 10 Technical data Tubular reactor - Ø inner: approx. 8mm - reactor volume: approx. 0,6L - material: 1.4571 Reactant pump - max. flow rate: 0,3L/min - max. head: 20m Tanks - reactants: 2x 25L - products: 1x 50L - water: 1x 30L Hot water circuit - heater power: approx. 4kW - temperature: max. 55°C Stirring machines speed: max. 310min-1 Measuring ranges - volumetric flow rate: 2x 2...320mL/min - temperature: 4x 0...80°C - conductivity: 3x 0...100mS/cm 400V, 50Hz, 3 phases 400V, 60Hz, 3 phases, 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1900x790x1900mm Weight: approx. 275kg