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Dear Sir or Madam,

At a time when production processes are becoming ever more complex, and energy and resource requirements are increasing at the same time, we at KEBO, as a supplier of specialty chemicals, are faced with two key tasks: Making processes more efficient and, at the same time, dealing responsibly with raw materials and the environment. These two goals do not have to be contradictory: We see them as a joined path.

A particularly practical example can be seen in evaporator systems that are used in many areas of food processing and the process industry. Wherever concentration and evaporation take place, mineral or organic coatings can form. These deposits impair heat transfer, increase energy requirements, shorten cleaning cycles, and often lead to unplanned downtimes.

Whether in sugar factories, starch and potato processing, fermentation, or in salt works for salt production: When crystallization and scale formation get out of control, this has a direct impact on profitability and resource efficiency. Solutions that stabilize such processes not only create technical advantages, but they also make an important contribution to a more sustainable use of energy and resources.

This comprehensive view of processes also led us to certification by ÖKOPROFIT, a demanding one-year program that we successfully completed in 2023. It demonstrated to us how closely technological efficiency and sustainable management are linked. This enabled us to identify valuable potential for improvement in sustainability, environmental protection, and resource conservation, and to start implementing them straight away.

However, the saying “the journey is the reward” applies here in particular: Sustainability is not a finalized state but rather an ongoing process. In this newsletter, you can find out what the “ÖKOPROFIT-CheckN” is all about and why this next step is important for us and our customers.

Best wishes and have a wonderful Christmas season!

Your KEBO Team

Antiscalants: for stable processes, high efficiency, and reduced costs

Antiscalants are a key component for reliable industrial water and process systems. They prevent the formation of limescale, silicate, and salt deposits, keep particles in suspension, and protect metallic surfaces from corrosion – and, above all, from energy losses, reduced heat transfer, and needless downtime.

During the changeover from brass to steel, our founders Alfred Keller and Albin Bohacek recognized the need for chemical products for scale prevention in the metalworking industry at an early stage.

Since then, antiscalants have been an integral part of KEBO’s portfolio. We develop highly effective formulations tailored to individual industries for evaporators, cooling and boiler water, RO membranes, recooling circuits, and applications in food processing.

KEBO DSP II is a good example, specifically developed for deposit prevention in evaporation plants in saline operation or with high salt content. It stabilizes problematic ions, works reliably against stubborn mineral deposits, and supports longer running times with consistent performance.

When salt crystallizes, things get tricky: Salt is an everyday occurrence in evaporation plants, but it also represents a major challenge. As soon as dissolved salts crystallize, they change the behavior of the entire process.

Evaporators depend on stable heat transfer. As soon as crystal layers cover the surface, the system shifts and, with it, the entire thermal balance.

Evaporation plants operate under conditions in which concentration, temperature, and turbulence vary constantly. This is precisely the crux of the matter: As soon as the saturation point is exceeded, crystals prefer to grow on rough surfaces, and they form deposits that settle layer by layer.

A thin crystal film of just one millimeter, for example, can reduce heat transfer many times over: an effect that has a direct impact on energy consumption and product quality.

When deposits form, it gets expensive. We start earlier: with KEBO DSP II.

KEBO DSP II – The specialist for saline operations.

Deposits are rarely just a cleaning problem. They are a process problem. The earlier they are recognized and counteracted, the more reliable the overall operation remains. This is exactly where KEBO DSP II comes in.

What does KEBO DSP II do?

KEBO DSP II is a hardness stabilizer and dispersant that is specifically developed to prevent scaling in evaporation systems. The product is a synergistically acting blend of anionic, low-molecular polymers and organophosphate – a combination of sequestering and dispersing properties.

The special feature:

KEBO DSP II can keep especially alkaline earth ions in strong salty solutions in dissolution at substoichiometric dosage, i.e., with very low dosing quantities. The product prevents the crystallization processes that normally inevitably lead to scale formation.

What does that mean for your operation?

  • Less scale formation on heat-transferring surfaces

  • More stable and energy-efficient processes

  • Less unplanned cleaning work and downtimes

  • Greater predictability in systems with fluctuating salt or raw material qualities

  • Simple integration: Addition diluted or undiluted at points of high turbulence (e.g. upstream of pumps)

When properly used, KEBO DSP II complies with the requirements of the German Food and Feed Code (LFGB) and has halal and kosher certifications, which are an important aspect for operators in food-related processes.

However, scaling forms not only in the evaporator: Changes in water chemistry, temperature peaks, or microparticles also quickly lead to precipitation and hardness deposits in cooling circuits as well as boiler and service water systems.

This is why we work with coordinated antiscalant systems ranging from hardness stabilizers to dispersants that keep scale formers stable in solution and heat transfer surfaces permanently clean.

Below are selected product highlights from our antiscalant portfolio. Proven solutions for different systems and process conditions.

For evaporation stations in the food processing industry.

KEBO DS

A polyelectrolyte of low molecular weight, nitrogen-free, and phosphate-free.

  • KEBO DS is especially able to keep calcium ions in the presence of oxalate, sulphate, and phosphate ions in boiling sugar solutions in dissolution at a substoichiometric dosage in conditions that normally cause a precipitation of the scale forming agents (so-called threshold effect).

  • Excellent high metal ion binding capacity

  • Excellent dispersing properties

  • Not volatile at high temperatures and completely resistant to hydrolysis. This is very beneficial especially in the sugar and ethanol industry.

👉 refer also to our website

For steam boiler systems.

KEBO X

Combines inorganic alkalis with polymeric natural products and protective colloids that act synergistically and are not subject to stoichiometric laws.

  • Tested by TÜV and certified for operation up to 68 bar according to Section 27 of the steam boiler regulation of the German Boiler Inspection Board

  • Physical mode of action: Prevents deposits and removes scales from boilers and heating systems during operation

  • Safely dissolves old deposits and gradually converts them into sludge

  • Reduces foaming and promotes the production of neutral, pure steam

📄 All details available right here

For process water systems, biogas plants, and open recooling systems.

KEBOPLEX 138

With a special blend of modified polyacrylic and phosphonic acids.

  • KEBOPLEX 138 has a stabilizing and dispersing effect

  • Effectively prevents calcium deposits even at low doses and specifically binds to seed crystals to prevent the growth of deposit-forming crystals

  • Foam-free so that disturbances in the regeneration systems are avoided

📄 All details available right here

For cooling water systems.

KEBOCOR 224L

For use in hard cooling and industrial waters.

  • As a corrosion inhibitor for iron and copper alloys

  • A combination product of corrosion inhibitors, hardness stabilizers, and dispersants for open, water-bearing systems

📌 More about KEBOCOR 224L

👉 Click here to get a quick overview of KEBO antiscalants

🌿The next step in the ÖKOPROFIT format: our “ÖKOPROFIT-CheckN”

As a certified ÖKOPROFIT® company, we are part of the ÖKOPROFIT club. Therefore, we are a part of a network that is committed to effective and verifiable progress in sustainability.

Now, we are deliberately moving one step further:

On November 24, we went through the “CheckN” – a structured sustainability compass.

This demonstrates our position with regard to the 17 global Sustainable Development Goals (SDGs) of the United Nations and our specific development potential.

The SDGs cover topics such as climate protection, resource efficiency, fair working conditions, health, education, and responsible corporate governance.

Why this is relevant for you:

A systematically screened sustainability management system means three main things for you as a partner:

  • Better planning and more stable processes

Resource efficiency and energy optimization measures reduce the risk of disruptions and increase process reliability, providing a direct benefit for anyone who depends on reliable supply chains.

  • More transparency in the value chain

Increasingly more companies are required to prepare sustainability reports or meet supply chain requirements. Thanks to CheckN, we will be able to document our own contributions more clearly, measurably, and reliably in the future.

  • Sustainability as a driver of innovation

The analysis shows us where we can further develop new products, formulations, or process solutions. Customers benefit in the long term from more efficient, resource-saving, and robust applications.

In a full-day workshop that was led by experts, we focused on these topics:

We gained an overview of our current status, prioritized the key sustainability issues for KEBO, and outlined the initial measures to drive processes forward.

📌 The objective is to integrate sustainability even more strongly into our day-to-day work at KEBO and to translate progress directly into better solutions for your applications.

We are here for you – in the next issue too!

The year 2026 is special for us: KEBO celebrates its 100th anniversary. Since its foundation in 1926, our company has developed from a rust protection pioneer into an international specialist for deposit, cleaning, and process chemistry.

This path was only possible thanks to long-term partnerships, joint development projects, and the trust of many industrial sectors. On our anniversary, we not only want to look back but also forward: with new technologies, more efficient formulations, and a clear focus on sustainable solutions for the processes of tomorrow.

Thank you for accompanying us on our journey. We look forward to hearing from you regardless of whether it is about KEBOSPUM DSP II, our sustainability program, our anniversary, or individual process solutions.

We look forward to sharing it with you!

We wish you and your families a pleasant, relaxing, and inspiring Christmas season as well as a successful start to the New Year!

Yours,

Daniel Heimbach

Head of Sales

KELLER & BOHACEK GmbH & Co. KG

Liliencronstr. 64

40472 Düsseldorf

Germany

KEBO Chemicals
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Keller & Bohacek GmbH & Co. KG • Liliencronstraße 64 • D-40472 Düsseldorf

Phone +49 211 9653 0 • www.kebo-chemicals.com • [email protected]

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