Technical & Practical
Improve Energy Efficiency using Hydraulic Power Recovery Turbines
This mature technology can be used to save energy, generate revenue and reduce emissions With the Paris Agreement entering into force last November, the Parties to the Convention established their goals to implement measures to reduce the amount of greenhouse…
Practical Solutions to Modular Project Execution
Follow this guidance to improve results on capital projects The opportunities for modularizing industrial and chemical projects are growing at an amazing pace. Once considered a mitigation strategy only for projects in remote areas with harsh climatic conditions or a…
Technology Profile: Ammonia Production from Natural Gas
This column is based on “Ammonia Production from Natural Gas – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/ammonia-production-cost. Ammonia (NH3) is among the most important industrial chemicals, produced by reacting nitrogen and hydrogen in…
Facts at Your Fingertips: Pressure-Based Level Measurement
Liquid-level measurement in storage tanks or other vessels is important for avoiding spillage and process upsets. One class of technologies for liquid-level measurement involves measuring the pressure exerted on a gage by the weight of the liquid, and this one-page…
Powder Testing: Tips for Assessing Alternative Options
The advantages and limitations of three powder-testing techniques are reviewed here Powder testing is deployed to characterize products including pharmaceuticals, foods, metal powders, powder coatings and cement — at every stage of the product lifecycle. The resulting data-support product development…
Proper Use of Conventional PRV Discharge Coefficients
In order to correctly size pressure relief valves (PRVs), a robust understanding of discharge coefficients for vapor, liquid and two-phase flow is crucial A pressure relief valve (PRV) is used to prevent the pressure in a process vessel from exceeding…
Storage Tanks: Heating and Cooling System Design
Various heating or cooling options are described here, along with the factors and design parameters that need to be considered. A sample calculation regarding coils is included Tanks constitute important equipment in the chemical process industries (CPI). Various types of…
Technology Profile: Bio-based Adipic Acid Production from Glucose
This column is based on “Bio-based Adipic Acid Production from Glucose – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/adipic-acid-production-cost. Adipic acid is one of the most commercially important aliphatic dicarboxylic acids. It is produced…
Facts at Your Fingertips: Gas Detection
Detection of gases is a critical task in many chemical process industries (CPI) facilities to avoid hazards to personnel and to the environment. Gases may present risks of explosion, flammability, toxicity, environmental pollution and displacement of breathable air. This one-page…
Cooling Towers: Estimate Evaporation Loss and Makeup Water Requirements
Applying mass and energy balance calculations yields critical operating insight Cooling towers are an important unit operation in chemical process industries (CPI) operations. Applying mass and energy balance calculations enables process engineers to evaluate evaporation loss, blowdown and makeup-water requirements,…