1Design Information

Jirdsak TscheikunaLecture 02

Design Data

Specific Design data Basic Engineering data

Specific Design Data

Specific Design Data

Raw Materials and Products: Specification: compositions or purity or

physical properties.

2Specific Design Data

Raw Materials and Products: Specifications Temperatures and Pressures (storage) Amounts to be produced or to be fed Monetary values (Cost) Availability and seasonal products. Hazardous, and Toxicity

Specific Design Data

Reaction Information: All available laboratory and pilot plant data on reaction and phase equilibrium behaviors.

Reaction Information

Stoichiometry of the participating reactions or laboratory reaction data of product distributions.

Reaction Information Stoichiometry of the participating reactions Reaction temperature and pressure Phase (s) of the reaction system Heats of reaction and equilibrium data Rate of Reaction relating it to composition,

temperature, pressure, impurities, catalysts,and so on

Thermal and other physical propertiesnecessary for process calculation

3Reaction Information

Activity of the catalyst as a function of time Mode of catalyst reactivation and

replacement Stability and controllability of the process Special considerations of heat and mass

transfer Corrosion and safety hazards

Specific Design Data

Any available existing plant data of similar processes.

Local restrictions on means of disposal of wastes.

Basic Engineering Data

Basic Engineering Data

Characteristics and values of gaseous and liquid fuels that to be used.

Characteristics of raw makeup and cooling tower waters, temperatures, maximum allowable temperature, flow rates available,and unit costs.

4Basic Engineering Data

Steam and condensate: mean pressures and temperatures and their fluctuations at each level, amount available, extent of recovery of condensate, and unit costs.

Basic Engineering Data

Electrical power: Voltages allowed for instruments, lighting and various driver sizes, transformer capacities, need for emergency generator, unit costs.

Compressed air: capacities and pressures of plant and instrument air, instrument air dryer.

Basic Engineering Data

Plant site elevation. Soil bearing value, frost depth, ground

water depth, piling requiremnets, available soil test data.

Basic Engineering Data

Climate data. Winter and summer temperature extrema, cooling tower drybulbtemperature, air cooler design temparature,strength and direction of prevailing winds rain and snowfall maxima in 1 hr and in 2hr, earthquake provision.

5Basic Engineering Data

Blowdown and flare: What may or may not be vented to the atmosphere or to ponds or to natural waters, nature of required liquid,and vapor relief systems.

Drainage and sewers: rainwater, oil,sanitary.

Basic Engineering Data

Buildings: process, pump, control instruments, special equipment.

Paving types required in different areas. Pipe racks: elevations, grouping, coding. Battery limit pressures and temperatures of

individual feed stocks and products.

Basic Engineering Data

Codes: those governing pressure vessels,other equipment, buildings, electrical,safety, sanitation, and others.

Miscellaneous: includes heater stacks,winterizing, insulation, steam or electrical tracing of lines, heat exchanger tubing size standardization, instrument locations.

Sources of Information

6Survey Literature

Research Journals Encyclopedias Handbooks and Reference Books Indexes Patents SRI Design Reports

Encyclopedias

Kirk-Othmer Encyclopedia of Chemical Technology

the Encyclopedia of Chemical Processing and Design (McKetta and Cunningham)

Ullmans Encyclopedia of Industrial Chemistry

Encyclopedias

McGraw-Hill Encyclopedia of Science and Technology

Van Nostrands Scientific Encyclopedia the Encyclopedia of Fluid Mechanics the Encyclopedia of Materials Science and

Engineering

Handbooks and Reference Books

Perrys Chemical Engineers Handbook the CRC Handbook of Chemistry and

Physics JANAF Thermochemical Tables Riegels Handbook of Industrial Chemistry the Chemical Processing Handbook the Unit Operations Handbook

7Handbooks and Reference Books

Process Design and Engineering Practice Data for Process Design and Engineering

Practice the Handbook of Reactive Chemical

Hazards

Indexes

Applied Science and Technology Index the Engineering Index Chemical Abstracts the Science Citation Index