8-9. Develop the recycle struct ure for the butane alkylation process (see Exercise 5.4-10) Assume that H1=27,440Btu/mol,H2=25,180Btu/mol,k1=(9.561013) exp{28,000/[RT(R)]}hr1, and k2=(2.4391017)exp{35.000/[RT(R)] hr1. Use a CSTR with the cost correlation given in Exercise 6.8-8. 8-9. Develop the recycle struct ure for the butane alkylation process (see Exercise 5.4-10) Assume that H1=27,440Btu/mol,H2=25,180Btu/mol,k1=(9.561013) exp{28,000/[RT(R)]}hr1, and k2=(2.4391017)exp{35.000/[RT(R)] hr1. Use a CSTR with the cost correlation given in Exercise 6.8-8