68 engineering guides for gas treating, NGL recovery, and cryogenic processing
H2S and CO2 removal using MDEA, DEA, and MEA amine solvents including absorber/regenerator column design.
TEG and DEG dehydration system design including contactor sizing, reboiler duty, and water removal capacity.
Adsorption dehydration using molecular sieves including bed sizing, regeneration cycles, and breakthrough analysis.
Sulfur recovery unit (SRU) design with thermal and catalytic reactor stages for H2S conversion to elemental sulfur.
Shell Claus Off-gas Treating process for tail gas cleanup using hydrogenation and amine absorption.
Comparison of thermal reactor and catalytic converter stages in Claus sulfur recovery including reaction kinetics.
Physical solvent process using DMPEG for selective CO2 and H2S removal from natural and synthesis gas.
Chilled methanol physical solvent process for deep acid gas removal in syngas and IGCC applications.
Hybrid solvent system combining sulfolane physical solvent with DIPA or MDEA for COS and mercaptan removal.
Physical solvent process using propylene carbonate for bulk CO2 removal with flash regeneration.
H2S, mercury, BTEX, and VOC removal using activated carbon beds including breakthrough and mass transfer zone design.
Causes, detection, and prevention of foaming in amine treating systems including antifoam selection.
Heat stable salt formation, amine degradation, and material selection for corrosion control in treating systems.
Inlet scrubber and mist eliminator design for liquid hydrocarbon removal upstream of amine contactors.
Mechanical filter and carbon bed design for amine contaminant removal and foaming prevention.
Gas hydrate formation temperature and pressure prediction for pipeline and process facility design.
Hydrate equilibrium curve determination and formation temperature estimation methods for gas composition.
Natural gas water content determination using McKetta-Wehe charts and Bukacek correlation for saturation conditions.
Triethylene glycol purity, water dew point depression, and stripping gas requirements for pipeline specifications.
Silica gel adsorption drying systems for gas dehydration applications and regeneration procedures.
BTEX and hydrocarbon absorption in TEG glycol systems including VOC/HAP emission estimation methods.
Pipeline gas quality specifications including heating value, hydrocarbon dew point, and inert content limits.
Wobbe Index calculation and gas interchangeability indices for burner tip performance and fuel gas blending.
Vapor-liquid equilibrium flash calculations including Rachford-Rice solution and K-value estimation methods.
Natural gas dehydration technology comparison including glycol, molecular sieve, and membrane methods.
Support equipment design for glycol dehydration including pumps, heat exchangers, and reboiler systems.
Gas solubility and absorption losses in glycol dehydration systems including economic impact assessment.
Phase behavior, liquid-liquid equilibrium, Henry's Law, and Raoult's Law for hydrocarbon-water-glycol systems.
Permeation-based gas separation for CO2 removal and nitrogen rejection using polymeric membranes.
Cryogenic nitrogen removal technology for gas quality compliance and pipeline specification meeting.
Pressure swing adsorption using carbon molecular sieves for nitrogen rejection with methane recovery optimization.
Cold solvent methanol wash process for nitrogen rejection with high methane recovery from cold box systems.
Single and double column cryogenic distillation for nitrogen rejection and helium recovery from natural gas.
Mercury adsorbent bed design for protecting downstream aluminum heat exchangers in cryogenic gas plants.
Kremser-Brown absorption factor method, equilibrium stages, and K-value estimation for absorber column design.
Joule-Thomson expansion cooling calculations for choke valves and pressure letdown applications in gas processing.
Isentropic expansion efficiency and NGL recovery optimization using turboexpander-compressor systems.
Tower packing selection, HETP calculations, and flooding analysis for absorption and distillation columns.
Stabilizer column and flash separation design for reducing vapor pressure of produced condensate for storage.
Graphical distillation design method for determining theoretical stages, reflux ratio, and feed location.
Absorption oil NGL recovery process design including lean oil selection and absorber-still column configuration.
Propane-air peakshaving and standby plant design including blending ratios and Wobbe Index matching.
Methanol and glycol hydrate inhibitor injection rate calculations using Hammerschmidt equation.
Thermal efficiency analysis and energy balance methods for gas processing plant performance evaluation.
Simulation-based optimization, heat integration, and pinch analysis for gas processing plant improvement.
Ethane and propane extraction optimization including process selection and economic evaluation methods.
VRU sizing and NSPS OOOOa compliance for tank and process vessel vapor recovery systems.
LNG storage boil-off gas rate calculations and ship loading BOG management including reliquefaction.
Combined glycol injection and low-temperature separation for simultaneous water and hydrocarbon dew point control.
Composite curve construction, grand composite curves, and minimum utility targeting for heat exchanger networks.
GSP process design for enhanced NGL recovery using subcooled overhead reflux in demethanizer columns.
Cryogenic turboexpander and demethanizer processes for ethane recovery including GSP, CRR, and ISS configurations.
C3+ recovery processes using turboexpander, JT valve, and refrigeration with ethane rejection options.
Multi-stage propane/ethylene/methane cascade refrigeration systems for deep cryogenic NGL recovery.
Rich oil demethanizer column design for methane removal from absorbed NGL in lean oil absorption plants.
Lean oil stripping and purification still design for regenerating absorption oil in NGL recovery plants.
Vapor pressure, boiling point, and freezing point estimation using Clausius-Clapeyron and acentric factor methods.
Propane and mixed-refrigerant chiller design for NGL cryogenic recovery and gas cooling applications.
Feed-effluent heat exchanger optimization for cryogenic NGL recovery including cold box thermodynamic design.
Absorption oil regeneration and flash drum design for rich oil heating and NGL product recovery.
Deethanizer, depropanizer, and debutanizer column sizing using Fenske-Underwood-Gilliland shortcut methods.
Deethanizer column design for ethane-propane separation including feed conditions, reflux, and pressure optimization.
Depropanizer design for HD-5 propane production including condenser type selection and energy integration.
Debutanizer column design for butane-pentane separation producing natural gasoline product.
Deisobutanizer design for isobutane-normal butane close-boiling separation with structured packing and heat pump.
HD-5 propane, commercial butane, and natural gasoline quality specifications per GPA 2140 standards.
Caustic washing, water washing, and amine Merox treating for mercaptan and H2S removal from NGL products.
Molecular sieve, activated carbon, and mercury removal for polishing NGL products to pipeline specifications.
Pipeline H2S spec: typically 4 ppm or 0.25 grains/100 SCF
Typical ethane recovery: 85-98% with turboexpander
HD-5 propane: min 90% propane, max 5% propylene