---
title: Allnorth Blog | Douglas McKenzie, P.Eng., CEM
description: Douglas McKenzie is a Principal Process Engineer with over 30 years of chemical/process engineering experience. Douglas is responsible for leading/assisting corporate process engineering initiatives and has contributed his expertise to help clients reduce process related expenses, optimize power usage, and increase their capacity to generate power. Douglas is a lecturer and a published author. He has been awarded two patents and has received a BC Hydro Power Smart Energy Champion award for his leadership in energy reduction. He is a Certified Energy Manager (CEM) and is licensed to practice in both British Columbia and Alberta.
---

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### Douglas McKenzie, P.Eng., CEM

[Linkedin](https://www.linkedin.com/in/douglas-mckenzie-p-eng-cem-17866332/)

Douglas McKenzie is a Principal Process Engineer with over 30 years of chemical/process engineering experience. Douglas is responsible for leading/assisting corporate process engineering initiatives and has contributed his expertise to help clients reduce process related expenses, optimize power usage, and increase their capacity to generate power. Douglas is a lecturer and a published author. He has been awarded two patents and has received a BC Hydro Power Smart Energy Champion award for his leadership in energy reduction. He is a Certified Energy Manager (CEM) and is licensed to practice in both British Columbia and Alberta.

## Posts By Author

[![](https://blog.allnorth.com/hs-fs/hubfs/Water%20Treatment%20Facility%20within%20Pulp%20and%20Paper%20Mill.jpg?width=596&name=Water%20Treatment%20Facility%20within%20Pulp%20and%20Paper%20Mill.jpg)](https://blog.allnorth.com/a-holistic-approach-to-reducing-energy-and-water-usage-in-pulp-and-paper-mills)

#### [A Holistic Approach to...](https://blog.allnorth.com/a-holistic-approach-to-reducing-energy-and-water-usage-in-pulp-and-paper-mills)

Since the invention of the recovery boiler in the 1930s, energy and water usage in pulp and paper mills has...

[News](https://blog.allnorth.com/author/news)  October 19, 2021

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![If the system is still working, why replace it?](https://blog.allnorth.com/hs-fs/hubfs/Meadow%20Lake%205.jpg?width=767&name=Meadow%20Lake%205.jpg) 

<https://blog.allnorth.com/if-the-system-is-still-working-why-replace-it>

#### The Latest

# [If the system is still working, why replace it?](https://blog.allnorth.com/if-the-system-is-still-working-why-replace-it)

Why some of the most important reliability decisions happen before anything goes wrong By Jason Brown, P.Eng., Project Development Manager One of the most difficult investment decisions in a pulp mill often starts with a deceptively simple question:\[…\]

[Continue Reading](https://blog.allnorth.com/if-the-system-is-still-working-why-replace-it)

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<https://blog.allnorth.com/a-holistic-approach-to-reducing-energy-and-water-usage-in-pulp-and-paper-mills>

# [A Holistic Approach to Reducing Energy and Water Usage in Pulp and Paper Mills](https://blog.allnorth.com/a-holistic-approach-to-reducing-energy-and-water-usage-in-pulp-and-paper-mills)

 October 19, 2021

 Since the invention of the recovery boiler in the 1930s, energy and water usage in pulp and paper mills has been highly integrated. This high level of integration helps keep mills running efficiently, but it can also create challenges as mills\[…\]

[Continue Reading](https://blog.allnorth.com/a-holistic-approach-to-reducing-energy-and-water-usage-in-pulp-and-paper-mills)

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