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Technical & Practical

NFPA 652: Standardizing Combustible Dust Standards

The latest NFPA standard applies to many industry sectors, and aims to address the fragmented nature of the industry-specific standards currently in place On September 7, 2015, the National Fire Protection Association (NFPA; Quincy, Mass.; www.nfpa.org) issued NFPA 652 (Standard…

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Integrated Risk-Management Matrices

An overview of the tools available to reliability professionals for making their organization the best-in-class Since the 1960s, process facility operators have made concerted efforts to improve the overall reliability and availability of their plants. From reliability theory to practical…

Monitoring Flame Hazards In Chemical Plants

The numerous flame sources in CPI facilities necessitate the installation of advanced flame-detection technologies Fire is a primary and very real threat to people, equipment and facilities in the chemical process industries (CPI), especially in the refining and storage of…

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Reliability and Maintenance: Performance Trends of Top Performers in the CPI

Focusing on a ‘reliability culture,’ mechanical availability and optimum costs leads to top performance Three factors drive manufacturing performance in the chemical process industries (CPI). These factors establish an operational culture that creates maximum availability of assets (mechanical availability) at…

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Insulating Heat-Transfer-Fluid Piping

Heat-transfer-fluid (HTF) system piping is insulated to reduce heat loss and prevent worker contact with hot surfaces. Insulated piping minimizes the effects of changes in ambient temperature to help ensure precise control of process temperature. Proper design of the HTF…

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Styrene-Butadiene Rubber Production By Intratec Solutions

This column is based on “Styrene-Butadiene Rubber Production: Cost Analysis,” a report published by Intratec Solutions that can be found at: www.intratec.us/analysis/styrene-butadiene-rubber-production-cost. Styrene-butadiene rubber (SBR) is an elastomer that was originally developed prior to World War II as a replacement…

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Supply Chain Challenges and Solutions

Transportation is vital to the CPI, so here are some tips to keep your products moving as the market for hazardous-materials shipping continues to tighten All shippers strive to keep costs under control while simultaneously running smooth, efficient and time-sensitive…

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Characterize Bulk Solids to Ensure Smooth Flow

To minimize problems associated with handling all types of bulk solids, engineers must adopt a systematic approach to characterizing the flow and mechanical properties of the materials under a variety of operating conditions Bins, hoppers, feeders, and conveyors handle bulk…

Biological Wastewater Treatment: Maintaining the Needed Microorganism Population

Activated sludge processes are inherently complex. Proper system design, operation and maintenance are essential to adequately break down target organic materials Since its discovery more than 100 years ago in 1914 by Ardern and Lockett [ 1 ], the activated…

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Organic Chemical Functional Groups

Chemical functional groups are critical determinants of the properties and reactivity of compounds. The following provides a review of the structures of common organic functional groups, along with some notes and examples. Alkyne. Acetylene is used as a fuel for…