Mobile Navigation

Technical & Practical

Member Exclusive

Technology Profile: LDPE via a High-Pressure Tubular Process

This column is based the report “LDPE via High-Pressure Tubular Process – Cost Analysis,” published by Intratec. It can be found at the following URL: www.intratec.us/analysis/ldpe-production-cost. Polyethylene (PE) is the world’s largest-volume commodity polymer, due in large part to the…

Member Exclusive

Methods to Achieve Sustainable Clean-In-Place

A clean-in-place (CIP) system is among the largest users of consumables at a hygienic processing plant. Presented here are tips for reducing the consumption of water, chemicals and time in CIP operations In many industries there is a burgeoning awareness…

Flare Selection for the Chemical Process Industries

There are many factors to consider when selecting a flare system for CPI sites that can impact safety, operating costs and environmental performance Flaring has long proven to be an effective technology for disposing of gases that cannot be used…

Member Exclusive

Facts at your Fingertips: Industrial Combustion Products

All chemical process industries (CPI) operations involving combustion need to be concerned with the emission of combustion products, due to their potential environmental and health impacts. This one-page reference provides information about several of the most common combustion byproducts from…

Understanding New PPE Regulations

The new European Union Personal Protective Equipment (PPE) Regulation explained, and what it means for the chemical process industries The European Commission’s Personal Protective Equipment (PPE) Directive 89/686/EEC is over 20 years old and is now being superseded by the…

Member Exclusive

Technology Profile: Isopropanol Production from Propylene

This column is based on “Isopropyl Alcohol Production from RG Propylene – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/isopropyl-alcohol-production-cost. Isopropanol (isopropyl alcohol) is among the most commonly produced lower alcohols — ranked third in…

Pressure-Relief System Design: Developments and Deficiencies

Areas of recent activity for pressure-relief systems include new calculation methods and updates to existing codes and standards. Included here is an overview of recent developments and a look at the results from a recent study of pressure-relief system deficiencies…

Sizing Pressure-Relief Valves for Two-Phase Flow

Several methods are available for sizing two-phase pressure-relief valves (PRVs). Here, the API 520 homogeneous direct integration method is compared to a potentially simpler alternative that does not require integration Two-phase pressure-relief valves (PRVs) have been studied by many researchers.…

Member Exclusive

Chemical Supply Chains Go Digital

When it comes to managing complex global supply chains, visibility and collaboration are the name of the game. To drive it, companies are embracing digital strategies The global chemical process industries (CPI) are undergoing a major transformation brought about by…

Member Exclusive

Improvements in DP Level Measurement

Differential-pressure (DP) level measurements are widely used in chemical and petrochemical facilities, thanks to their reliability and ease of use. Recent advances are making them even more reliable and easy to use Differential pressure (DP) level-measurement technology (Figure 1) is…