Page 374 - Sustainability in the Process Industry Integration and Optimization

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Heat Exchanger Networks (HENs), Heat Integration (HI), 7–8
12–13 building complexes, power and,
achievable target calculations, 39 275–277
algorithms, 19 conferences, 301
CCs and, 15 crude-oil distillation system and
compact, 4 de-bottlenecking with, 256–
completed design, 89 262
completing design, 87–92 distillation processes and, 77–80
conventional flowsheet, 82 energy-intensive processes and,
cost estimation and, 16 71–80
data extraction design Gantt chart of optimal solution, 183
considerations, 40 globally optimal schedule for case
design above pinch, 88 study, 181
design above process pinch and heat engines and, 71–72
utility placement, 242 heat pumps and, 72–77
design below pinch, 88 HENs and, 12–13
design below process pinch and IEA definition, 12
utility placement, 241 journals, 301
design procedure, 83–87 methodology dissemination, 113
of the FCC process (example), 21 parameter values for heating/
feasible heat exchanger match cooling, 183
above pinch, 86 power systems and, 142–144
general process flowsheet to process CCs for hospital complex,
represent, 82 276
grid diagram and implications of process stream data of hospital
pinch, 84 complex, 276
grid diagrams for, 83 production schedules, 180–183
heat recovery and, 45–47 projects, 303–304
Heat Recovery pinch concept and, recipes for products, 182
14–15 scheduling data for case study, 180
hot/cold streams with, 89 service providers, 301–303
hybrid approach, 95–96 S-graph representing recipe for
implementing matches with, 47 case study, 181, 182
infeasible heat exchanger match Heat Integration tools:
above pinch, 86 HEAT-int, 195
key features of resulting HEXTRAN, 199–200
networks, 96 SITE-int, 198
mass balances/problems, 36 software and, 195–201
matches, 46–47 spreadsheet-based, 200–201
MER for, 39 SPRINT, 195
multistream, 4 STAR, 195–198
pinch design method, 81–93 SuperTarget, 200
pinch design principle and, 85 WORK, 198–199
retrofitting of, 16–17, 21 heat pinch technology:
spaghetti-type topology (of heat calculated grid diagram and, 222
transfer), 15 calculated MER heat cascade, 221
splitting above pinch and, 89 case studies, 219–226
splitting and trivial tick-off, 91 exchangers violating pinch, 224
splitting below pinch and, 90 existing HENs and, 220
splitting to enable CP values for first problem, 219–224
essential matches and, 91 GCCs, 221
superstructure approach, 93–95 load-shirt path identified, 222
supertargeting of, 15–16, 17 minimum allowed temperature
synthesis, 81–96 difference, 225
synthesis methods, 14, 19, 38–40 optimal HENs and, 226
tick-off heuristic and, 87 process stream data, 224