Engineering & Design
Developments in the ammonia process
To meet rising demand, producers seek methods to conserve energy and increase plant efficiencies
Developments in the ammonia process Fig 1
Fig. 1. Typical ammonia process flow sheet for a gas-reforming unit. ..
Determine the optimum crude intake level - a case history
When using LP models, users must be fully aware of what data is important and discard the rest
Improve tray operations
How failure occurs from blowing and what can be done to prevent it
Predict contaminant concentrations in deaerator-vent emissions
Here is a tool to estimate maximum concentrations of contaminants in hydrogen-plant condensate
Crude distillation unit online optimization
A stochastic model provides optimal results to the advanced control system
How to efficiently plan a grassroots refinery
To select the best processing configuration and investment decision, this refiner used LP modeling, plant cost estimation and IRR analysis to find the optimum solution
How to efficiently plan a grassroots refinery Table 2
Table 2. Possible refinery configurations Configurations Process units 1 2 3 4 5 6 7 8 9 10 ..
Minimize NOx emissions cost-effectively
Use this tutorial to evaluate available control technologies and install exactly what you need for current and future NOx reductions
Increase VCM output
Using multivariate statistical techniques, this VCM operator raised productivity by more than 10% without revamping cracking furnaces
- Allied Biofuels signs PIA with Uzbekistan to advance $6-B biofuels refinery project 4/10
- Nufarm strengthens strategic collaboration to support long term growth in biofuels production 4/10
- Pertamina and CRecTech sign MoU to explore pilot biogas-to-biomethanol facility in SEZ, Indonesia 4/10
- Shell Chemicals and Syensqo partner to deliver low-carbon ethylene oxide solutions 4/10
- HAMR Energy’s nationally significant fuel projects selected for Australian Government’s Investor Front Door Pilot 4/10
- HD Hyundai Heavy Industries builds world's first ammonia-powered vessel 4/10

