Customer Technical Services

Using lime and minerals in an easy, cost-effective way

Our Customer Technical Services (CTS) department addresses your business’s specific needs by offering a global approach based on tailor-made solutions. We develop dedicated reagents and implement optimized facilities that increase process efficiency and reduce operational costs .


Working closely with the Group’s R&D centers and engineering departments that are located around the globe, our Customer Technical Services have developed substantial multidisciplinary expertise. We use this to the benefit of our customers.

Our services

  • cover the widest range of applications
  • provide onsite advice and audits 
  • research literature to meet new needs and deal with constraints
  • determine the appropriate Lhoist solution to optimize product use based on your specific operating conditions
  • share know-how surrounding product usage
  • analyze customer by-products in Lhoist’s laboratories and proposes re-uses where possible
  • offer recommendations about how to improve existing equipment and introduce new installations.

On-site trials

Since all of our customers’ businesses are unique, our technical services professionals provide a portfolio of offerings. Our wide range of services has been specifically designed to allow you to opt for only those you require. We work in partnership with you to identify how to best optimize your use of lime and minerals.


  • Process and facility audit
  • Lab test and computer simulation
  • Appropriate product and consumption estimation
  • Equipment recommendation:
    • Upgrade of existing materia
    • Specific Customer Technical Services (CTS) trial device
  • Trial schedule proposal and equipment implementation


  • Equipment installation and user training
  • Trial start-up and follow-up :
    • Data acquisition/regulation
    • Maintenance
    • Setting optimization
    • Logistic and quality control follow-up
    • Lab analysis
    • Material and process adaptation

Conclusion and recommendation

  • Summary of results with appropriate product and consumption
  • OPEX and CAPEX optimization
  • Support in « specifications for an installation » redaction

Support and services

  • Performance assessment on request (residues analysis)
  • Technical advice on process optimization
  • Customized recommendations for installation maintenance and continuous improvement


Lhoist has developed specialty equipment to conduct trials on customer sites. Ready to use and fitting virtually any application, they can be adapted to meet your individual needs. In the event of the failure of your own installation, for example, Lhoist equipment can be used as a by-pass. To help you save time and cost, we can build the appropriate equipment to suit your requirements or optimize existing machinery. We also offer advice on certified equipment from specialty suppliers. Our particular areas of expertise include:


Bulk storage and dosing of quicklime, hydrated lime and minerals
  • Storage and extraction (silos, big-bag emptying machines)
  • Dosing (gravimetric, volumetric)
  • Transportation (pneumatic transfer, screw conveyors, etc.)
  • Mixing with other products
  • Injection
  • Anti-clogging devices (INFRASOUND)
Milk of lime preparation
  • Starting from hydrated lime or quicklime PORTABATCH
  • Dedicated process developed by Lhoist: DUWA-MATICTM
Ready-to-use milk of lime
  • Storage and agitation (IBC, vertical tanks and IDRA containers)
  • Dosing pumps
  • Injection
  • Mixing with other products
Measuring equipment
  • Mobile measuring unit
  • Data acquisition and regulation
  • pH meters
  • Flow meters

In-house lab equipment and tools

  • Laboratory analysis equipment
  • Pilot scale tools
  • Software simulation tool