Our History

Our plants, built on a legacy of extensive experience, employ multi-step processes that combine material and energy efficiency. In addition to custom regeneration and purification services, we manufacture custom molecules through organic synthesis.

Site industriel de Speichim Processing à Beaufort-Orbagna (39). © Séché Environnement.

1953–2001: Establishment of sites and acquisitions by the Trédi Group

Founded in 1953 through the merger of three boiler-making companies, Speichim began its industrial history by designing, manufacturing, and installing equipment for the chemical industry.

1953

Speichim Processing was formed through the merger of three metal fabricators. Design, manufacture, and installation of chemical processing equipment.

1984

Start-up of the purification and regeneration unit in Mourenx (64);
Establishment of Valls Química, a pioneer in solvent regeneration in Spain, near Tarragona.

Start-up of the purification and regeneration unit in Mourenx (64);
Establishment of Valls Química, a pioneer in solvent regeneration in Spain, near Tarragona.

1989

Launch of the purification and regeneration plant in Saint-Vulbas (01).

1991

Establishment of the Montluçon industrial site, specialising in contract chemical synthesis and the manufacture of high-value-added molecules.

1993

Acquisition of Valls Química by the Tredi Group.

1996

Expansion of the Valls Química site and its processing capacity.

1997

Installation of equipment designed for pharmaceutical purification at the Valls Química site.

1998

Acquisition of Speichim Processing by the Trédi Group and integration of the Beaufort site (39)

2001

Commissioning of a dryer to improve solvent recovery at the Valls Química site.

2002–2026: Part of the Séché Environnement Group

Séché Environnement acquired the Trédi Group in 2002

2002

Acquisition of the Tredi Group by Séché Environnement and certification of all sites.

2005

Valls Química authorized to store and process hydrocarbons.

2012

Approval of a hazardous waste transfer station at the Valls Química site.

2016

Modernization of Valls Química's distillation columns.

2017

Valls Química authorized to receive and process ethanol waste.

2021

Installation of a high-vacuum column at the Valls Química site.

2022

The All'chem Montluçon site has joined the Séché Environnement group and complements the distillation expertise of Speichim Processing and Valls Química thanks to its expertise in organic synthesis.

2024

The Speichim Processing site in Saint-Vulbas (01) is inaugurating:

4 new state-of-the-art distillation columns. Processing capacity increases from 20,000 tons to 40,000 tons per year (authorized).
A new R&D laboratory dedicated to developing new purification and recovery processes
An industrial demonstrator to convert production residues into high-value-added molecules.