Engineering & Design
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
Enhance furnace tube resistance to carburization and coke formation
Applying diffusion coatings on ethylene furnace tubes may increase run times between decoking
- TOYO develops MRF-Z Neo—A compact reactor optimized for small-scale green methanol production 7/3
- China's Shandong raises fuel oil import tax rebates for some refineries 7/3
- Executive Viewpoint: Heavy industry, light footprint—Helping the HPI run leaner and cleaner with AI 7/3
- Digital Feature: Flare system design—The importance of periodic evaluation of existing facilities 7/2
- Valmet to deliver Valmet DNA DCS to a bio-based process plant in Portugal 7/2
- EIA: U.S. crude and gasoline inventories rise, distillates draw down 7/2
