Project Details Studying the sediment formation mechanism in evaporators heat exchangers of phosphoric acid unit by using pilot plant and unit operational data Studying the sediment formation mechanism in evaporators heat exchangers of phosphoric acid unit by using pilot plant and unit operational data Status: In Progress Registration Date 2008/11/04 Update Date 2008/11/04 Goals To improve the operational conditions of phosphoric acid unit evaporators Schedule Commencement Date : 9/28/1998 Duration : 24Months Geography Location Making investigation device to study sediment in the factory – Determining the temperature transmission coefficient of phosphoric acid in two conditions – Investigating the effect of operational significant parameters on temperature transmission coefficient – Investigating the effect of operational significant parameters on sediment formation process - Analyzing the sediment samples of different parts of heat exchangers - Making computerized simulation of phosphoric acid unit evaporation system heat exchangers – practical usage of results for determining the optimum operating conditions Basic Contractor Ahvaz petroleum industry university – Dr. Jami al ahmadi Description Contract Code : 77/095 In addition of measuring the temperature transmission coefficient, the purpose of this researching project is studying the impression of different operational parameters such as: velocity, temperature, density, etc. and consequently investigating the sediment formation mechanism in heat exchangers and using the laboratory results with unit operational data to find applicable solution to decrease the intensity of sediment formation and to increase the efficiency of this unit ‘s evaporators.