What is Rich/Lean Amine Loading means and what should be there typical values?

Published on Aug. 25, 2020

Rich/Lean Amine Loading (RAL/LAL) refers to the amount of acid gases (CO 2 , H 2 S etc,) dissolved in a given amount of amine. RAL and LAL is a very important factor for the operation, mainten...


Causes of Static Charge from Liquid Flow and the Precautions Needed

Published on Sept. 7, 2020

Electrostatic charge formation in tanks and vessels in which hydrocarbons or chemicals are pumped or stirred is widely recognized as a serious hazard. This electricity, which is generated in t...


What is the criterion for selecting operating pressures for multistage separator systems?

Published on Sept. 3, 2020

Operating pressures of multistage separation systems can very across the wide range. The maximum OP for of a separator will be no higher than sales gas pressure accept in the case of gas lift ...


What is the Rich/Lean Amine Loading and what is the appropriate value for them?

Published on Sept. 6, 2020

Amine loading is calculated as the mole ratio of acid gas to the solvent. Rich amine loading (RAL) is referred to the acid gas absorber bottoms liquid which is rich in acid gas and similarly L...


Process Analyzer Sample Systems

Published on Aug. 30, 2020

Process Analyzer Sample Systems are common to almost all process (on-line) analyzer installations, but often overlooked or not addressed adequately. They are usually 80% of the challenge (and ...


Tank Blending

Published on Aug. 17, 2020

This document discusses a simple low cost tank blending method. It is referred to as a shrouded blending nozzle system, and it works quite well. The shroud causes the jet nozzle to educt a lar...


Quench Control - An advanced approach for temperature control

Published on Aug. 1, 2020 By Mic Wozniak

Quench control is used in closed loop refrigerant applications where cooling of the hot recycle gas stream is achieved by direct mixing of a cold multi-phase gas/liquid. The liquids used for q...


Comparing costs of gas and many types of fuels

Published on May 16, 2020

Consideration of practical replacements for gas such as coal, heavy fuel oil, middle distillates, LPG and vice versa. Fuels considered most practical replacements for gas include coal, heavy ...


Cause and effect of exceeding service ratings of heat tracing materials

Published on April 29, 2020

The following lesson learned outlines an installation of pipeline heat tracing for a new process unit within an existing chemical/petrochemical facility. The system design consisted of self-li...


Natural gas flow meter measurement types

Published on April 11, 2020

Gas flow meter is a mechanical device for automatically measuring quantities of gas. Some of the more popular than others depending on application and requirements. The most important types ar...


Control valve maintenance and things to do to extend control valves life

Published on April 2, 2020

Always follow the control valve manufacturer’s maintenance manuals. Typical maintenance topics are summarized here together with recommendation to extend the life of the control valves. Optimi...


How to control corrosion at compressor stations

Published on March 15, 2020

Corrosion failures at compressor stations result from carelessness mostly on the part of the users or poor choices of material and/or configuration by the project. The following factors shoul...


Definitions of MAWP, MAP, MOP, Design Pressure, Hydrotest Pressure, Burst Pressure, Working Pressure and more

Published on March 4, 2020

Maximum Allowable Working Pressure ( MAWP ) - maximum gauge pressure permissible at the top of the equipment in its operating position for a designated temperature (e.g. maximum pressure tha...


Steam Traps selection and advantages vs. disadvantages of each type

Published on March 2, 2020

There are many factors that affect steam generating system in the energy industry, and multiple pros and cons in selecting a right steam trap for your application, the following are advantages vs....


What are corrosion coupons and corrosion probes and holders?

Published on Feb. 19, 2020

Corrosion coupons, probes, holders are corrosion-sensing devices that can detect the rate of corrosion in any process environment. Corrosion coupons are probably the oldest and simple and ver...