Ron R Chevalier
ACID CONSUMPTION AND ACID RUNAWAY IN A SULFURIC ACID ALKYLATION UNIT
Presented By Sarah Hoelzle Process Engineer
DuPont™ STRATCO® Clean Fuel Technologies 11350 Tomahawk Creek Parkway Suite 200 Leawood, KS 66211
September 2007
Copyright 2007 DuPont™ STRATCO® Clean Fuel Technologies
Table of Contents
Page Number I. ACID CONSUMPTION FUNDAMENTALS.....................................................................1 Figure 1 - Diluent Production vs. Acid Strength- 40/60 C3=/C4= .........................................2 II. MINIMUM ACID CONSUMPTION ...................................................................................2 Figure 2 - Acid Consumption vs. Spending Strength - 40/60 C3=/C4= ..................................3 Figure 3 - Acid Consumption vs. Spending Strength – Butlyene Feed .................................3 Figure 4 - Acid Consumption vs. Spending Strength – Butlyene Feed .................................4 Figure 5 - Acid Consumption vs. Spending Strength –C5= Feed ..........................................4 Figure 6 - Acid Consumption vs. Spending Strength – 80/20 C3=/C4= .................................5 Figure 7 - Relative Acid Consumption in Different Stages – 80/20 C3=/C4= ........................5 Figure 8 - Acid Consumption vs. Spending Strength – Separate Processing .......................6 Table 1 - Stage Consumption from Operating Data 40/60 C3=/C4= .....................................6 III. OPTIMUM SPENDING STRENGTH .................................................................................7 Table 2 - Acid Consumption and True Alkylate Properties versus Spending Strength ...........................................................................................................................8 IV. V. VI. ACID RUNAWAY RECOGNITION ...................................................................................8 ACID RUNAWAY RESPONSE
Presented By Sarah Hoelzle Process Engineer
DuPont™ STRATCO® Clean Fuel Technologies 11350 Tomahawk Creek Parkway Suite 200 Leawood, KS 66211
September 2007
Copyright 2007 DuPont™ STRATCO® Clean Fuel Technologies
Table of Contents
Page Number I. ACID CONSUMPTION FUNDAMENTALS.....................................................................1 Figure 1 - Diluent Production vs. Acid Strength- 40/60 C3=/C4= .........................................2 II. MINIMUM ACID CONSUMPTION ...................................................................................2 Figure 2 - Acid Consumption vs. Spending Strength - 40/60 C3=/C4= ..................................3 Figure 3 - Acid Consumption vs. Spending Strength – Butlyene Feed .................................3 Figure 4 - Acid Consumption vs. Spending Strength – Butlyene Feed .................................4 Figure 5 - Acid Consumption vs. Spending Strength –C5= Feed ..........................................4 Figure 6 - Acid Consumption vs. Spending Strength – 80/20 C3=/C4= .................................5 Figure 7 - Relative Acid Consumption in Different Stages – 80/20 C3=/C4= ........................5 Figure 8 - Acid Consumption vs. Spending Strength – Separate Processing .......................6 Table 1 - Stage Consumption from Operating Data 40/60 C3=/C4= .....................................6 III. OPTIMUM SPENDING STRENGTH .................................................................................7 Table 2 - Acid Consumption and True Alkylate Properties versus Spending Strength ...........................................................................................................................8 IV. V. VI. ACID RUNAWAY RECOGNITION ...................................................................................8 ACID RUNAWAY RESPONSE