1990

ESTABLISHMENT

In order to meet a market demand, the founders of Tecnosulfur combined their experience to solve the problems faced by pig iron producers in relation to the high sulfur content in metal. Believing their business could succeed, the founders launched Tecnosulfur on June 1, 1990, with the purpose of offering solutions and technology for treating hot metals in the metallurgical sector’s most different segments: steel works, foundry, and ferroalloys.

FIRST CUSTOMERS

Siderúrgica Siderhouse, Cemetal Group, and Sofunge Fundições

1992

CONQUERING NEW CUSTOMERS

• Companhia Siderúrgica Belgo Mineira (currently ArcelorMittal Monlevade)
• Companhia Siderúrgica Paulist (currently Sistema Usiminas)
• Tupy Fundições

BEGINNING OF PRODUCTION OF MIXED SYNTHETIC SLAGS

That is applied in the secondary refinement with the purpose of promoting the clearness of steel.

1994

INCREASING PRODUCTION CAPACITY

With the implementation of the product micronization process through the installation of the new grinding system, which increased the production and desulfurizing and desphosphorizing agents.

8,000 tons per month

1996

IMPLEMENTING BRAZIL’S FIRST IN-LADLE PIG-IRON DEPHOSPHORIZING SYSTEM

In Grupo Itaminas in order to improve the quality of pig iron provided by independent producers.

1998

BEGINNING THE USE OF CALCIUM CARBIDE AND MAGNESIUM IN PRODUCTS

With the purpose of ennobling even more desulfurizing agents and giving them more reactivity.

2000

INCREASING THE PRODUCTION OF INERTIZED GRINDING PRODUCTION

Due to the increase in the demand of desulfurzing agents.

14,000 tons per month

BEGINNING RESEARCH AND DEVELOPMENT OF SINTERED SYNTHETIC SLAGS

A product that adds value and quality to steel.

2001

INSTALLING TECNOSULFUR DESULFURIZING PLANT AT CSN

In a custom manner, the Tecnosulfur Desulfurizing project was implemented at CSN with special and specific characteristics for the process in ladles.

2004

ISO 9001 CERTIFICATION

Along the years, Tecnosulfur reached market leadership, and its Quality Management System was certified by the ISO 9001 standard.

BEGINNING THE INDUSTRIAL-SCALE PRODUCTION AND APPLICATION OF SINTERED SYNTHETIC SLAGS

After evidencing the effectiveness of its use in the secondary refinement. Thus, Tecnosulfur carried out the first enlargement of Sintering Plant I, besides qualifying professionals for the technical support required by the clients.

2007 – 2008

TRANSFORMATION FROM A LIMITED LIABILITY COMPANY (LTDA) INTO A CORPORATION (S/A)

2009 – 2010

CHANGE IN CORPORATE FORM: PARTICIPATION OF SKW METALLURGIE GROUP

In December 2009, SKW Metallurgie Group integrated in a positive manner the group of shareholders of Tecnosulfur, adding international corporate experience.

2012

STARTUP OF SINTERING PLANT II

The Sintering Plant II will increase from 1,500t to 5,500t the monthly production of Sintered Synthetic Slags.