Industrial Utility Efficiency    

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The System Assessment

Food

Since 2002, Energy Trust of Oregon has saved and generated 728 average megawatts of electricity and

Plastics

The Pepsi bottling plant in Winnipeg, Manitoba has upgraded both their main 100 psi compressed air

Paper

Rockline Industries is one of the largest global producers of consumer products, specializing in

Printing

Several days prior to our visit, during a cold winter evening, the lead air compressor in one

Pharmaceutical

A pharmaceutical plant, has had a compressed air assessment performed on two plant systems. 

Auto

Compressed air optimization measures adopted by PTMSB have reduced the consumption of compressed

Bulk

One of the most common problems in plants is low air pressure. One of the most common solutions is

Transit

Their job is to brake the cars by gripping the wheels. They are operated either pneumatically or

Metals

A zinc producer spends an estimated $516,000 annually on electricity to operate the air compressors

Medical

In the U.S. as an example, the NFPA has taken the view that if your compressor draws in good clean

Power

Nuclear power plants produce electricity for people, business and industry.  Electricity is

Oil & Gas

Petro Chemical Energy, Inc. (PCE) specializes in energy loss surveys for the refining and chemical

Wastewater

Aeration tanks use bubble diffusers to distribute oxygen within the wastewater. Fine bubble
A flour based frozen foods manufacturer orders a compressed air efficiency audit. The audit establishes the cost of compressed air at $0.27/1000 cubic feet. The study finds the 116 pulse jet dust collectors represent the greatest opportunity for compressed air demand reduction and energy cost savings. A dust collector optimization study/service is suggested and the customer agrees to proceed. In this facility, pulse jet dust collectors are used to filter dust from raw materials entering the plant, for conveying and mixing of ingredients, and for the final packaged finished products leaving the plant.  
In the last ten years, the design of pneumatic systems has changed dramatically, mainly due to developments in the technologies that create them. Pneumatic manufacturers’ online tools for sizing components have evolved, the fieldbus systems are ever-changing, component designs are constantly improving, and network devices such as the Industrial Internet of Things (IIoT) have reshaped the industry. All these advances play a large role in optimizing the efficiency of pneumatic systems, but the age-old practice of routine maintenance must not be overlooked. This article will focus on proper air compressor sizing, proper pneumatic component sizing and predictable preventative maintenance. 
This article will focus on ISO8573-7 normative test methods and analysis for viable microbiological contaminants and how it can be fundamentally utilized in compressed air microbial monitoring plans. The quality of the compressed air must be monitored periodically to fulfill national and international standards. ISO 8573 is an available standard addressing compressed air quality. It consists of nine parts that address purity classes, specifications, and procedures. ISO 8573-7:2003, can be utilized across all industries’ compressed air microbial monitoring plans. It contains both informative and normative procedures but lacks any tested compressed air microbial specifications regarding colony enumeration limits for microbial plate counts.
In this series we covered some very common issues in the Compressed Air Generation or “Supply Side” with regard to misapplying some capacity controls and installing different types of air compressors with piping and/ or orientation. These can preclude any reduction in compressed air demand on the production side from effectively translating lower air usage into a commensurate level input energy.