December 2015 | AIChE

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December 2015

Understanding Subject Matter Eligibility for Patenting

Is your invention of the type that, as a matter of public policy, should be excluded from patenting, regardless of the invention’s uniqueness or value? This is a question of subject matter eligibility, which many inventors and patent holders are finding they have to respond to when...

Pump Sizing: Bridging the Gap Between Theory and Practice

This article gives insight on how to specify a pump. It will describe:

• the two main types of pumps

• how to calculate the static and dynamic head within a pump system

• some of the basic equations behind pump sizing 

•...

Recasting the Bow-Tie Method for Process Hazard Analysis

Bow-tie diagrams are often used to visually evaluate the barriers put on place to prevent and mitigate a loss of containment (LOC) incident from occurring. Although bow-tie diagrams are usually constructed after an incident, they can be useful during a process hazard analysis to help prevent LOC...

The Process Safety Beacon — Fifteen Years of Increasing Awareness and Preventing Incidents

The Center for Chemical Process Safety's (CCPS) Process Safety Beacon is a single-page newsletter delivered monthly, which is designed to provide process safety messages to plant operators, mechanics, and other manufacturing personnel — including engineers. This column looks at the...

Electron-Beam Processing in the Food Industry

Electron Beam (eBeam) processing is a non-thermal processing technique that involves the use of electrons from commercial electricity for a variety of purposes. Its applications in the food industry are numerous and range from sterilizing food contact membranes used in aseptic packaging,...

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