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Pipe Expansion Loop Design

Pipe Expansion Loop Design Published January 2023 Keywords Expansion Loops Piping Flexibility Stress Compensation Summary The purpose of this file is to illustrate quick sizing of the expansion loops. Pipe expands when heated and contracts when cooled. When a pipe allowed to move (unrestrained), it is free to expand or contract without generating thermal stresses. Once the pipe is restrained at the ends (by anchors or equipment nozzles), thermal stresses can be generated. These stresses are a result of a system’s lack of flexibility and ability to compensate for thermal expansion or contraction. Expansion compensation in the form of expansion loops, 90° elbows and z-bends are a simple, low cost and low maintenance design elements that can be used to increase system flexibility and decrease pipe stresses. These arrangements can be observer in Figure 1. Hints 90° changes in piping direction are the most efficient design to absorb thermal expansion/contraction. Utilize any natural flexibility of the piping system (any lateral offsets, changes of direction). Use strategic location for the pipe supports to avoid over restriction of the system. Share [...]

January 11th, 2023|Knowledge File|

Cutting Costs on Cutting and Drilling Fluids Disposal

Cutting and drilling fluids contain a variety of oils and emulsifiers that make wastewater difficult to treat once the fluid is no longer usable.  As a result, fluids are often disposed of as hazardous waste, incurring high operating costs to your company. JNE Environmental has developed a process that allows you to treat this wastewater at your own plant, leading to significant cost savings. 

Oil Removal Package Optimizes Stamping Plant’s Existing Wastewater Treatment System

A local stamping and manufacturing plant approached JNE Environmental to supplement their existing wastewater treatment system. The existing system was very maintenance intensive due to the high oil content in the wastewater. To reduce the load on the existing system, we custom-designed an oil removal package by combining multiple oil recovery methods.

Pilot Plant Achieves Complete Destruction of Airborne VOC

A customer that makes a resin used in everything from billiard balls to countertops needed help removing high concentrations of volatile organic compounds (VOC) from their air emissions.  Using the resources at our Burlington facility, we custom-designed, built, and operated a high-temperature catalytic oxidation Pilot Plant to test its effectiveness in treating hazardous air pollutants.

Custom Formulations to Maximize Solids Separation

A company that processes and digests food wastes was not able to remove enough solids from their incoming slurry prior to entering a large centrifuge.  This resulted in process instability in their anaerobic digester system.  JNE has since tested a new dry polymer product tailored to the separation of high solids wastewater for anaerobic digesters.

Carbon Dioxide pH Correction System is an Eco-Friendly Treatment Solution

JNE Environmental has developed a cost-effective and environmentally-friendly pH correction solution — using the same principles as carbonated soda.  This process can achieve the desired pH correction without the use of expensive plastics, dangerous industrial acids, or specialized protective equipment, and does not result in the addition of Chlorides or Sulfates.

October 8th, 2019|JNE Environmental|

JNE to present at AU Las Vegas 2019

In November 2019, JNE will be presenting at AU Las Vegas — Autodesk’s premiere North American conference. JNE’s presentation, an instructional demo on 3D multi-disciplinary plant engineering, was selected from over 2,400 applications.  This is a tremendous opportunity for JNE to share our knowledge of 3D software and applications on a world-class stage.

July 23rd, 2019|News + Awards|

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The JNE Group is an ISO 9001:2015 registered multi-disciplinary design and engineering firm based in Hamilton, ON, Pittsburgh, PA, and Detroit, MI.  We provide the professional services you need, from feasibility studies and environmental services to engineering, project management, process automation, or complete EPCM project delivery.

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