Understanding pump internals, especially the various sealing and coupling arrangements, is a critical step in selecting the optimal pump There is a significant risk for operators associated with the pump selection process. Economic issues, such as procurement and operating costs,…
Advancements in efficiency and the ability to handle a wide array of chemicals combine to make the air-operated double-diaphragm (AODD) pump a useful choice for chemical processors The circumstances surrounding the development of the air-operated double-diaphragm (AODD) pumping principle six…
This column is based on “Terephthalic Acid Production from p-Xylene — Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/terephthalic-acid-production-cost. Terephthalic acid is an aromatic dicarboxylic acid, mainly used to produce saturated polyesters, primarily PET (polyethylene…
Determination of pH is a critical and ubiquitous operation whenever water is used in the chemical process industries (CPI). This one-page reference provides a review of pH chemistry and information on pH measurement equipment in CPI applications. Chemistry of pH…
This methodology facilitates multifactor testing. However, it comes at a price: a loss in power for detecting effects The traditional approach to experimentation — often referred to as the “scientific method” — requires changing only one factor at a time…
With a focus on flowmeters, this article shows how advances in measurement technologies help safety system designers reduce risk and cost in their safety instrumented systems (SIS) design and lifecycle management Successful implementation and management of a safety instrumented system…
This column is based on “Chlorine Production from Sodium Chloride — Cost Analysis,” a report by Intratec. It can be found at: www.intratec.us/analysis/chlorine-production-cost. Chlorine is among the most important chemical commodities — it is used in the manufacture of a…
Distillation is a critical separation tool for many applications in the chemical process industries (CPI), and the intelligent design of a distillation column can have a large impact on eventual process performance and efficiency. This reference sheet outlines the design…
Circular fluidized-bed dryers can boost the capacity, energy efficiency and product quality when used in conjunction with other primary dryers Two-stage drying provides benefits from the standpoints of cost, energy savings, efficiency and product quality. This is especially the case…
Compliance with air-pollution regulations requires ongoing effort. Follow these recommendations to assess competing options and optimize system design while minimizing cost and risk The goal of air-pollution control (APC) is to limit the amount of pollutants entering the environment. These…