In today’s industrial landscape, sustainability and energy efficiency are more than buzzwords—they are necessities. Anssum is a leading innovator in this space, offering specialised engineering solutions that enhance energy efficiency across diverse industrial applications. With projects in various countries, our mission is to minimise operational costs and environmental impact for clients worldwide.

The Imperative for Energy Efficiency

The industrial sector remains a significant consumer of energy, making energy efficiency a critical concern. Inefficiencies not only lead to increased operational costs but also contribute to environmental degradation. Anssum tackles this challenge through a portfolio of projects aimed at streamlining and optimising energy use in industrial settings.

Our Multifaceted Approach

Our energy efficiency initiatives span several key areas of industrial operations:

  • Recovery Boiler Soot Blowing: We use intelligent control systems to optimise soot blowing, allowing boilers to operate at peak thermal efficiency. This results in additional steam generation without the need for extra fuel.
  • Evaporator Efficiency: Our solutions for Multiple Effect Evaporators (MEE) and Multiple Vapor Recompression (MVR) evaporators aim to extend the time between cleaning operations, thus reducing steam consumption and increasing overall efficiency.
  • Combustion Optimisation: As part of our comprehensive approach, we also focus on optimising combustion processes to ensure maximum fuel efficiency and minimum emissions.

Global Footprint

Anssum’s projects have a global impact, with successful implementations in countries including South Africa. These completed projects are a testament to our expertise and our commitment to fostering a sustainable industrial environment globally.

Measurable Technical Achievements

The results of our initiatives speak for themselves:

  • One project involving Recovery Boiler Soot Blowing generated an additional 5 tons per hour of steam with the same fuel input.
  • Our evaporator efficiency projects have led to a reduction of 7 tons per hour in steam usage for MEE and MVR evaporators.

The Road Ahead

Our commitment to energy efficiency is ongoing. We continually invest in research and development to create even more effective solutions. Our objective is to continually set new standards in energy conservation and contribute to a future where industrial efficiency and environmental stewardship coexist harmoniously.


Anssum’s energy efficiency drives underscore our expertise and dedication to creating a more sustainable future. Through state-of-the-art engineering and control systems, we exceed client expectations by delivering solutions that are as innovative as they are effective. As we look forward, our focus remains steadfast on pioneering sustainable and efficient industrial operations globally.



In the field of energy conservation, Anssum’s latest venture, the “Soot Blowing Optimisation” project in New Zealand, stands as a prime example of their commitment to sustainable innovation. Initiated in October 2022 and concluded in May 2023, this project aims to harness the power of smart technology to enhance boiler efficiency.

Project Overview

  • Category: Energy
  • Location: New Zealand
  • Project: Soot Blowing Optimisation
  • Duration: 10/2022 – 05/2023
  • Status: Complete


Boilers play an essential role in various industrial processes, producing steam that drives turbines and other machinery. Over time, soot accumulates on the heat transfer surfaces within boilers, reducing their efficiency.

The Challenge

  • Address the accumulation of soot which reduces the thermal efficiency of boilers.
  • Ensure timely and efficient removal of soot without compromising boiler operation.
  • Achieve significant energy savings by maintaining optimal boiler performance.

Anssum's Innovative Solution

To meet these challenges, Anssum introduced the following measures:

  • Smart Soot Blowing Technology: Leveraging the latest advancements in smart technology, the soot blowing system is designed to detect and remove soot accumulations with precision, ensuring that boilers operate at peak efficiency.
  • Real-time Monitoring: Integrated sensors and monitoring systems provide continuous feedback on soot levels, enabling timely interventions and ensuring consistent boiler performance.
  • Efficient Scheduling: The smart system schedules soot blowing operations based on real-time data, ensuring that the process is carried out at the most opportune moments, maximising energy savings.

Achievements to Date

  • Significant Savings: The project has already delivered $333k in steam savings since its inception, underscoring its effectiveness and efficiency.
  • Enhanced Boiler Performance: The smart soot blowing system ensures that boilers operate at optimal levels, providing consistent performance and reducing downtime.

Sustainable Approach: By maintaining boiler efficiency, the project contributes to reduced energy consumption, aligning with Anssum’s commitment to sustainability.


Anssum’s “Soot Blowing Optimisation” project in New Zealand exemplifies their dedication to blending innovative technology with practical solutions. By integrating smart soot blowing systems, Anssum has successfully charted a path towards greater boiler efficiency and significant energy savings.

Anssum’s continuous drive towards sustainable solutions and technological advancements positions them at the forefront of the energy conservation sector. Through projects like these, they pave the way for a more sustainable industrial landscape.



In the quest for energy conservation and operational efficiency, Anssum’s recent “Evaporators Vacuum Optimisation” project in Canada epitomises their innovative spirit and commitment to sustainable solutions. Launched on 01/03/2023 and currently in progress, this initiative seeks to redefine the boundaries of evaporator efficiency.

Project Overview

  • Category: Energy
  • Location: Canada
  • Project: Evaporators Vacuum Optimisation
  • Duration: 01/03/2023 – Present
  • Status: In Progress


Evaporators play a pivotal role in various industrial processes, concentrating solutions by evaporating solvents. A crucial aspect of their operation is maintaining an optimal vacuum, which ensures efficient solvent evaporation, energy conservation, and process efficacy.

The Challenge

  • Facilitate precise control over the vacuum levels in multiple parallel evaporator units.
  • Efficiently distribute the vacuum capacity among the parallel units without compromising operational efficiency.
  • Address potential disturbances and inconsistencies in vacuum levels that can hamper the evaporative process.

Anssum's Groundbreaking Solution

To navigate these challenges, Anssum has adopted a comprehensive approach:

  • MIMO (Multiple Input, Multiple Output) Control: Utilising MIMO technology, Anssum has designed a system to manage and control multiple evaporator units concurrently. This ensures a harmonised operation, optimising vacuum distribution, and efficiency across all units.
  • Dynamic Vacuum Distribution: The system is equipped to dynamically allocate vacuum based on real-time requirements of each evaporator unit, ensuring that every unit operates at its peak efficiency.
  • Real-time Monitoring and Feedback: Advanced sensors and monitoring systems are integrated to provide instantaneous feedback on vacuum levels, enabling swift adjustments and ensuring optimal operation.

Expected Outcomes

  • Optimal Vacuum Distribution: The MIMO system ensures that each evaporator unit receives the precise vacuum level it requires, ensuring maximum efficiency and output.
  • Enhanced Operational Efficiency: Dynamic allocation of vacuum and real-time monitoring minimises disruptions and optimises the evaporative process.
  • Energy Conservation: By ensuring each evaporator operates at peak efficiency, energy consumption is minimised, leading to significant energy savings.


The “Evaporators Vacuum Optimisation” project stands as a testament to Anssum’s dedication to pushing the frontiers of technological innovation and operational excellence. By integrating state-of-the-art MIMO systems with practical applications, Anssum is charting a path to a more sustainable and efficient future.

With initiatives like these, Anssum continues to lead the way in sustainable industrial solutions, setting new standards for energy conservation and operational efficiency.



The pursuit of innovation in the realm of energy conservation is ceaseless, and Anssum has consistently been at the forefront of this journey. Their recent initiative, the “Recovery Boiler Air Supply Stabilisation” project, launched in Canada from 01/03/2023 and presently ongoing, is a testament to their commitment to sustainability and energy efficiency.

Project Overview

  • Category: Energy
  • Location: Canada
  • Project: Recovery Boiler Air Supply Stabilisation
  • Duration: 01/03/2023 – Present
  • Status: In Progress


Recovery boilers are indispensable in the pulp and paper industry, efficiently converting black liquor into steam while reclaiming chemicals for reutilisation. A critical aspect that dictates their efficiency is the consistency and adequacy of the air supply, which is vital for optimal combustion.

The Challenge

  • Ensure stable and precise control over the primary, secondary, and tertiary air supply systems in the recovery boiler.
  • Counteract disturbances and fluctuations in air supply, which can impact combustion efficiency.
  • Seamlessly integrate multiple air supply systems to achieve a harmonised and efficient operation.

Anssum's Innovative Solution

To tackle these challenges head-on, Anssum implemented a multi-faceted strategy:

  • Damper Control: Incorporation of advanced damper systems to modulate the airflow, ensuring a consistent and optimal air supply for combustion.
  • MIMO (Multiple Input, Multiple Output) Control: Leveraging MIMO technology to simultaneously control the primary, secondary, and tertiary air supply systems. This ensures a synchronised operation, optimising combustion and boiler efficiency.
  • Real-time Monitoring: Deployment of state-of-the-art sensors and monitoring systems to provide real-time feedback, enabling instant adjustments and ensuring the boiler operates at peak efficiency.

Expected Outcomes

  • Precision Air Supply Control: The integration of damper and MIMO control will ensure that the air supply is consistent, optimising combustion and enhancing boiler efficiency.
  • Reduced Operational Disruptions: With real-time monitoring and instant adjustments, potential disruptions and inefficiencies can be preempted and mitigated.
  • Sustainable Operations: Optimised combustion will not only lead to energy savings but also ensure efficient chemical recovery and reduced environmental impact.


The “Recovery Boiler Air Supply Stabilisation” initiative underscores Anssum’s dedication to pioneering solutions that drive industrial efficiency. By blending cutting-edge technology with pragmatic applications, Anssum is setting new benchmarks in energy conservation and operational excellence.

In a world where sustainable operations are imperative, endeavors such as these by Anssum provide a roadmap for industries to transition towards a more energy-efficient future.



Canada’s industrial sector is a beacon of innovation, and leading this transformative journey is Anssum. With its latest project, the “Recovery Boiler Combustion Optimisation,” initiated in Canada from 01/03/2023 and currently in progress, Anssum aims to redefine the standards of boiler efficiency through accurate ratio control.

Project Overview

  • Category: Energy
  • Location: Canada
  • Project: Recovery Boiler Combustion Optimisation
  • Duration: 01/03/2023 – Present
  • Status: In Progress


Recovery boilers play a pivotal role in the pulp and paper industry, converting black liquor from the digester into steam while recovering chemicals for reuse. The efficiency of these boilers is paramount, not only for energy conservation but also for optimal chemical recovery. One of the primary factors influencing this efficiency is the precision of combustion.

The Challenge

  • Achieve optimal combustion in the recovery boiler.
  • Ensure a consistent and accurate fuel-to-air ratio for combustion.
  • Minimise emissions and wastage while maximising boiler efficiency.

Anssum's Groundbreaking Approach

To address these challenges, Anssum employed a systematic strategy:

  • Advanced Sensors: Integrating high-tech sensors to continuously monitor the fuel-to-air ratio in real-time, ensuring that any deviations are instantly detected.
  • Dynamic Ratio Control: Developing advanced control algorithms that dynamically adjust the fuel and air supply, maintaining an optimal ratio for combustion. This not only ensures efficient combustion but also reduces emissions.
  • Data Analytics: Harnessing the power of data analytics to analyse combustion patterns, identifying areas of improvement, and predicting potential issues before they arise.

Anticipated Outcomes

  • Enhanced Boiler Efficiency: By ensuring accurate ratio control, the recovery boiler will operate at peak efficiency, leading to significant energy savings.
  • Reduced Emissions: Optimal combustion will result in reduced emissions, contributing to a cleaner environment.
  • Sustainable Chemical Recovery: By optimising combustion, the recovery of chemicals will be more efficient, leading to sustainable operations and reduced wastage.


The “Recovery Boiler Combustion Optimisation” project is a testament to Anssum’s commitment to pushing the boundaries of industrial efficiency. By merging technology with practical applications, Anssum is not only enhancing operational standards but also paving the way for a sustainable and energy-efficient future.

With such initiatives, industries can look forward to a future where energy conservation is not just a goal but a standard operational practice.



Canada, with its vast industrial framework, has always been a hub for innovation and forward-thinking approaches. Anssum, leading the charge in this domain, initiated a pioneering project known as the “Evaporator Predictive Washing Scheduling” between 01/01/2022 – 01/07/2022 in Canada. The goal was to harness the power of predictive analytics to determine the optimal times for evaporator maintenance.

Project Overview

  • Category: Energy
  • Location: Canada
  • Project: Evaporator Predictive Washing Scheduling
  • Duration: 01/01/2022 – 01/07/2022
  • Status: Completed


Evaporators, widely used in numerous industries, play a pivotal role in concentrating solutions. However, over time, these evaporators can get dirty, affecting their efficiency and leading to increased energy consumption. Regular maintenance and cleaning are essential to keep them at peak performance. But the question remains: When is the right time to wash them?

The Challenge

  • Predict the optimal washing times for the evaporators.
  • Ensure the evaporators remain cleaner for more extended periods.
  • Reduce unscheduled downtimes and enhance overall efficiency.

Anssum's Ingenious Solution

Anssum approached this challenge with a multi-faceted strategy:

  • Data Collection: Employ sensors and data collection devices to gather real-time data from the evaporators, monitoring factors like efficiency, temperature fluctuations, and residue accumulation.
  • Predictive Analysis: Utilise advanced machine learning algorithms to analyse the collected data and predict the optimal washing times. This ensures that the evaporators are cleaned just before any significant efficiency drop, maximising their operational duration.
  • Automated Scheduling: Based on the predictive analysis, an automated schedule for washing the evaporators is generated. This ensures timely maintenance without human intervention.

Remarkable Outcomes

  • Increased Efficiency: By predicting and scheduling washes at the optimal time, the evaporators remained cleaner for longer durations, ensuring consistent high efficiency.
  • Reduced Downtimes: Predictive scheduling meant fewer unscheduled downtimes, leading to uninterrupted operations and higher productivity.
  • Resource Conservation: By ensuring the evaporators operate at peak efficiency for longer durations, there was a notable reduction in energy consumption.


The “Evaporator Predictive Washing Scheduling” project epitomises Anssum’s commitment to incorporating cutting-edge technology into everyday industrial operations. By blending data science with practical applications, Anssum continually sets new industry standards, driving towards a future of efficiency and sustainability.

Harnessing the potential of predictive analytics, industries can leap into a future where maintenance is not just a routine but a strategically planned endeavor.



Canada’s energy landscape has been rapidly evolving, with industries and businesses striving for optimised energy consumption. Anssum, ever at the forefront of these endeavours, embarked on a project termed “Evaporator Solids Density Control” in Canada, aiming to refine the management of Total Dissolved Solids (TDS) in evaporators.

Project Overview

  • Category: Energy
  • Location: Canada
  • Project: Evaporator Solids Density Control
  • Status: Completed


Evaporators are crucial in various industries for concentrating solutions by evaporating the solvent. One of the main challenges in this process is maintaining the right balance of TDS in the outlet, especially in multi-effect evaporators. Precise control of TDS not only ensures product quality but also significantly impacts energy consumption.

The Challenge

  • Achieve accurate control of TDS in the outlet of effect 1, 2, and 3.
  • Reduce energy consumption associated with these processes.

Anssum's Pioneering Solution

Anssum embarked on this project with a clear focus:

  • Advanced Monitoring: Implement state-of-the-art sensors and monitoring systems to continuously track the TDS levels in the outlets of the three effects.
  • Dynamic Adjustments: Based on the data gathered, dynamically adjust the operation parameters to maintain optimal TDS levels, ensuring consistent product quality and efficient operation.
  • Energy Conservation: By maintaining the ideal TDS, the energy required for the evaporation process is reduced, leading to significant energy savings.

Impressive Outcomes

  • Energy Savings: The project led to an energy saving of 15.4 kWh per ton of Dry solids, marking a significant stride in energy conservation.
  • Economic Impact: These energy savings translated to an annual monetary benefit of $CAD 238k, highlighting the economic advantages of optimised operations.


The “Evaporator Solids Density Control” project stands as a beacon of Anssum’s dedication to energy efficiency and operational excellence. By harmonising advanced technology with industry best practices, Anssum consistently showcases its capability in ushering industries towards sustainable and economical operations.

In the realm of energy optimisation, it’s projects like these that set the benchmark. With dedicated efforts and innovative solutions, a sustainable energy future is within reach.



The energy sector, particularly in industries with large boilers, constantly seeks ways to optimise and enhance their operations. One such endeavor by Anssum in Canada, termed “Recovery Boiler Sootblowing”, epitomises the synergy of smart solutions and efficiency gains.

Project Overview

  • Category: Energy
  • Location: Canada
  • Project: Recovery Boiler Sootblowing
  • Status: Completed


Recovery boilers, critical to various industries, can face challenges with accumulated soot, reducing their thermal efficiency over time. Efficient sootblowing can significantly improve the boiler’s performance, leading to energy savings.

The Challenge

  • Increase the boiler’s thermal efficiency.
  • Implement a sootblowing strategy that’s both effective and economical.

Anssum's Ingenious Solution

Anssum proposed a shift from conventional sootblowing practices to a “smart sootblowing” approach. This method:

  • Optimises the Frequency of Sootblowing: Rather than adhering to a rigid schedule, smart sootblowing adjusts the frequency based on real-time data and boiler conditions.
  • Reduces Wear and Tear: By targeting only areas that need cleaning and reducing unnecessary sootblowing, the lifespan of boiler components can be extended.
  • Maximises Thermal Efficiency: Ensuring that the boiler operates without excessive soot accumulation guarantees optimal heat transfer and overall efficiency.

Outstanding Outcomes

  • Steam Savings: The initiative led to savings of 0.14 klb steam per ton of BL fired, a significant reduction in operational costs.
  • Economic Impact: This efficient sootblowing translated to a monetary saving of $CAD 142k per annum, showcasing the dual benefits of the project – enhanced efficiency and cost savings.


The “Recovery Boiler Sootblowing” project in Canada stands as a testament to Anssum’s commitment to energy conservation and operational efficiency. By integrating smart solutions with traditional practices, Anssum has once again demonstrated its prowess in driving sustainable and economical outcomes for industries.

The future of energy efficiency lies in the harmonisation of traditional practices with innovative technologies. Projects like these pave the way for a more sustainable and cost-effective industrial landscape.



In the vast realm of energy optimisation, even small advancements can lead to significant benefits, both in terms of operational efficiency and environmental sustainability. Anssum’s recent project in South Africa, the “MEE Control Restructure,” exemplifies this principle, with its focus on refining the control mechanisms of Multiple Effect Evaporators (MEEs) to enhance their performance.

Project Overview

  • Category: Energy
  • Location: South Africa
  • Project: MEE Control Restructure
  • Status: Completed


Multiple Effect Evaporators (MEEs) are critical components in many industrial processes. Their operation, if not optimised, can lead to inefficiencies, increased energy consumption, and operational challenges.

The Challenge

  • Ensure the MEEs operate both efficiently and effectively.
  • Overcome the instability experienced during effect changeovers.
  • Eliminate the reliance on an outdated Model Predictive Control (MPC) system that was no longer fit for purpose.

Anssum's Ingenious Solution

To meet these challenges head-on, Anssum proposed a comprehensive restructure of the MEE’s control:

  • Tuning of the PID Controller: By fine-tuning the Proportional-Integral-Derivative (PID) controller integrated into the MEE system, Anssum was able to enhance stability, especially during effect changeovers. This adjustment not only improved the operational efficiency of the MEEs but also mitigated potential risks associated with abrupt changes.
  • Removing Dependency on Outdated MPC: Anssum identified the outdated MPC as a potential bottleneck for the MEEs’ performance. By phasing out this dependency, the MEEs could operate based on more modern and efficient control mechanisms, ensuring they were fit for contemporary operational demands.

Impressive Outcomes

  • Enhanced Stability: The refined PID controller settings resulted in significantly improved stability during effect changeovers.
  • Boosted Production: The cumulative impact of the MEE Control Restructure led to a notable 6.45% increase in production, showcasing the tangible benefits of the initiative.


The MEE Control Restructure project stands as a testament to Anssum’s dedication to innovation, operational excellence, and sustainability. By embracing modern control techniques and shedding outdated dependencies, Anssum has once again demonstrated its prowess in driving energy efficiency and production enhancement.

Anssum’s commitment to fostering energy efficiency while ensuring operational effectiveness remains unparalleled. Through projects like the MEE Control Restructure, Anssum continues to set industry benchmarks, paving the way for a brighter and more sustainable future.



In the intricate realm of energy conservation, chemical processes, and environmental preservation, ensuring the robustness and efficiency of industrial systems is paramount. Anssum, renowned for its expertise in these areas, took on the challenge of upgrading and optimising the MgO#3A flash tanks in South Africa.

Project Overview

  • Focus Areas: Energy, Chemicals, Environment
  • Country: South Africa
  • Description: Flash Tanks Upgrade and Optimisation
  • Status: Completed

The Collaboration

Anssum’s partnership with the projects team was rooted in a shared vision: to enhance the performance of the MgO#3A flash tanks. Leveraging their extensive experience with the control and operation of analogous systems in various production lines, Anssum became an invaluable collaborator. Their deep understanding of the intricacies of such systems ensured that the upgrade process was informed, effective, and geared towards optimal performance.

Technical Details

Flash tanks play a pivotal role in processes where pressure reduction is required. The MgO#3A flash tanks, in particular, are crucial for managing liquor discharge (LD) and low-pressure (LP) releases. Any inefficiency or instability in these releases can lead to operational challenges and environmental concerns.

Outcome and Achievements

Post collaboration, the flash tanks witnessed significant improvements, especially in terms of stability. Both the LD (liquor discharge) and LP (low-pressure) releases saw enhanced consistency and efficiency. Such optimisation not only augments the production process but also plays a vital role in conserving energy, reducing chemical wastage, and mitigating environmental impact.

Concluding Remarks

The success of the Flash Tanks Upgrade and Optimisation project exemplifies Anssum’s commitment to sustainable and efficient industrial solutions. By collaborating with the right partners and leveraging their deep-seated expertise, Anssum has once again underscored its position as a leader in the realms of energy conservation, chemical processes, and environmental preservation.

With the global emphasis on sustainability and efficiency, initiatives like this highlight the significance of innovation, expertise, and collaboration in shaping a greener and more efficient future. Anssum’s endeavours serve as an inspiration for industries worldwide, propelling them towards more sustainable practices.