Royal Duyvis Wiener B.V.

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24/7 Technical Support Hotline: +31 756 126 133

+31 756 126 126

Koog aan de Zaan (NL)



Precision. Passion. Cocoa.

Guaranteed Food Safety
Pre-processing and cleaning of cocoa beans is essential to remove any foreign material that may cause food safety concerns. Eradicate any foreign materials that should be excluded form the cocoa processing.

Consistency and Quality Control
Intake, cleaning and weighing allow you to ensure that the cocoa beans ready for processing are free from contaminants such as stones, metal and other foreign materials. Have consistent product quality from the get-go.

Accurate Weighing
Accurate weighing of cocoa beans is crucial to ensure that the correct amount of beans are used for processing. It also allows for full traceability from the start of the process.

Control, Food safety, Quality

The system of intake, cleaning, and weighing is designed to guarantee of food safety and ensure that the raw materials are free from foreign materials offering the highest quality ingredients for use in production and guaranteeing that the correct amount of each ingredient is utilized.

Contact our specialized team for all your questions

Bean intake process steps

Bean Cleaning

Phase 1: Intake

Depending on their capacity and design, cocoa beans are transported in bulk, by truck, or in bags. This section includes a dumping pit or de-bagging and storage area, from which the beans are then supplied for cleaning in order to achieve optimal results.

Phase 2: Cleaning

The initial step involves removing as many contaminants such as plastic, metal, ropes, husks, stones and other foreign materials from the raw cocoa beans delivered to ensure clean beans, ready for processing.

Bean Cleaning
Bean Cleaning

Phase 3: Weighing

For operational yield calculations and quality assessment, it’s critical to weigh the beans prior to processing.

Unveiling the Cocoa & Chocolate Chronicles


Roaster Showcase

In 2022, we hosted our first Roaster showcase in the factory of Koog aan de Zaan whichallowed us to showcase the Alkalizer, Drum Roaster, and Cooler. An amazing occasion toshare our expertise and innovations with our customers. In addition, customers could learn  about the specific benefits

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Cocoa bean fermentation process

Understanding the cocoa bean fermentation process

Did you know that the quality and flavor of chocolate depend on the fermentation process of cocoa beans? The cocoa bean fermentation step is crucial in the chocolate production process, and it affects the taste, texture, and aroma of chocolate. In this article, we will

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Bean to bar machinery

Discovering the secrets behind bean to bar machinery

Bean to bar chocolate has been gaining popularity in recent years. The process of making chocolate from scratch has been a tradition for ages. It wasn’t until the industrial revolution that chocolate production became more automated. However, with the rise of craft chocolate, many chocolate

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Cocoa bean to butter | Royal Duyvis Wiener

Cocoa bean: Butter production, applications & benefits

Discover the advantages and applications of cocoa butter. This butter is a versatile and popular ingredient in both the food and beauty industries. This pale yellow vegetable fat extracted from cocoa beans is renowned for its unique aroma reminiscent of chocolate and its smooth texture.

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