800
S. Stoychev et al.
Choosing a Path for Development
In the period 2009–2011, different options for the development of the company were
considered with the main goals being:
• increasing the profitability and competitiveness;
• minimizing the quantities of wastes for landfill by maximizing the treatment of
generated residues and recycles in both plants.
KCM decided to invest with priority in:
1. increasing the capacity of the Waelz kilns;
2. realizing a technological line for the treatment of zinc-containing materials and
wastes:
• electric arc furnace dusts (EAFD) from the steel industry;
• lead slag—generated from the new Ausmelt furnace in KCM.
Stages of Investment Realization
06.2012—Commissioning of the reconstructed Waelz kiln №4, including
• increasing the external diameter from 2.5 to 3.1 m;
• increasing the size of the associated facilities—dust chamber, coolers, and
exhaust fans;
• reconstruction of the transport system for Waelz oxides.
08.2013—Commissioning of the “Installation for washing and leaching of Waelz
oxides” with an annual capacity of 25,000 tons of Waelz oxides.
08.2015—Commissioning of the reconstructed Waelz kiln №1—identical to Waelz
kiln №4.
09.2016—Increasing the capacity of the “Installation for washing and leaching of
Waelz oxides” up to 50,000 tons of Waelz oxides per year.
2016–2017—Increasing the capacity of the feeding equipment.
Figures 1, 2, 3, and 4 show some of the milestones during the realization of the
investment.
S. Stoychev et al.
Choosing a Path for Development
In the period 2009–2011, different options for the development of the company were
considered with the main goals being:
• increasing the profitability and competitiveness;
• minimizing the quantities of wastes for landfill by maximizing the treatment of
generated residues and recycles in both plants.
KCM decided to invest with priority in:
1. increasing the capacity of the Waelz kilns;
2. realizing a technological line for the treatment of zinc-containing materials and
wastes:
• electric arc furnace dusts (EAFD) from the steel industry;
• lead slag—generated from the new Ausmelt furnace in KCM.
Stages of Investment Realization
06.2012—Commissioning of the reconstructed Waelz kiln №4, including
• increasing the external diameter from 2.5 to 3.1 m;
• increasing the size of the associated facilities—dust chamber, coolers, and
exhaust fans;
• reconstruction of the transport system for Waelz oxides.
08.2013—Commissioning of the “Installation for washing and leaching of Waelz
oxides” with an annual capacity of 25,000 tons of Waelz oxides.
08.2015—Commissioning of the reconstructed Waelz kiln №1—identical to Waelz
kiln №4.
09.2016—Increasing the capacity of the “Installation for washing and leaching of
Waelz oxides” up to 50,000 tons of Waelz oxides per year.
2016–2017—Increasing the capacity of the feeding equipment.
Figures 1, 2, 3, and 4 show some of the milestones during the realization of the
investment.