Internship Within The Innovation Team

il y a 2 semaines


Namur, Belgique Carmeuse Lime & Stone Temps plein

This is the opportunity to join Carmeuse for an exciting internship. During 8 months, within the Innovation department, you will have the opportunity to to review all the hydration processes of calcium oxide and to study the influence of all parameters during hydration (process and chemical parameters).

**Purpose of the position**

Carmeuse produces and commercializes Ca (and Mg)-based products:

- Calcium hydroxide (Ca(OH)2) is a key products in Carmeuse’s portfolio.

Calcium hydroxide is obtained from a process in different steps:

- First, calcium carbonate (CaCO3) is extracted from the quarry;
- Then, the calcium carbonate is calcined in a kiln to obtain calcium oxide (CaO);
- Finally, the lime is converted into hydrated lime (Ca(OH)2) in a hydrator (reaction with water).

The different properties of the hydrates are:

- Chemical characteristics:

- Major impurities
- Minor impurities
- Heavy metal content
- Residual CO2- Physical characteristics
- Textural properties
- Density
- Particle size distribution- Properties
- Flowability
- Solubility
- Reactivity
- Performance test**Work Description**

The scope of the work concerns the exothermic reaction between quicklime (CaO) and water.

The objective is to understand fundamentals of the reaction, by studying the variation of selected parameters on calcium hydroxide properties:

- Lime quality (stone chemistry, process parameter...)
- Chemical and process parameters during hydration reaction (including impact of chemical additives during the reaction).

After a scientific bibliographic review, the work will continue with experimental reactions at laboratory scale. The methodology of design of experiments will be applied to optimize experiments and interpretation of the results. The experimental work will be validated with industrial data’s that can be collected. Moreover, an upscale trial with pilot hydrator equipment can be used to validate experimental conclusions.

The major contribution of the work is the optimization of existing products as well as potentially developing new products in Carmeuse’s portfolio.

**Your Profile**
- You are autonomous
- You are a Team player
- You are comfortable to work in a laboratory and in an office
- You have a Research and Development mind
- You have good communication skills
- You are able to write report in English
- And you are able to manage Confidentiality.

**Why Carmeuse?**

We truly believe that where you work matters and, as a family business, we know what makes our employees happy

Carmeuse offers an industrial experience in the Innovation team (R&D). A part of the work will be performed in the laboratory in Seilles (Andenne) and the other part -as the product characterization
- will be performed at the university laboratory.
- You’ll have the opportunity to participate to new product development
- You’ll have the opportunity to visit industrial plants and laboratories
- You’ll work in a dynamic environment
- You’ll have the possibility to work from home and/or at the office.

An internship can be coupled with the master thesis.

LI-Hybrid

READY TO JOIN A ROCK-SOLID FAMILY?

Carmeuse started out as a small family-run business in Belgium.

Today it’s a leading global producer of lime, high calcium limestone and dolomitic stone. Its products are essential to energy producers, environmental services, construction and manufacturing.

With over 90 production facilities spread across almost every continent, and over 4,500 employees working at Carmeuse every day, the company’s most treasured resources are its people.



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