Technological process control
The most important goal of the company "Alfatrans" LLC is to provide various industries with high-quality commercial products
The directions of application of zinc oxide and iron-containing clinker of our company can be found in the corresponding section.
Production goal
In the field of metallurgical waste processing, waelz-technology has established itself as one of the most affordable and environment friendly technologies in the world today.
All metallurgical enterprises using electric arc steelmaking furnaces can be the potential suppliers of metal-containing dusts.
All metallurgical enterprises using electric arc steelmaking furnaces can be the potential suppliers of metal-containing dusts.
Our company utilizes waste from the steelmaking industry - dust from electric arc furnaces (EAF), subjecting them to high-temperature metal regeneration in a rotating "waelz" kiln.
As a result of this technological process, zinc oxide and metal-containing clinker are extracted.
Zinc oxide production
Bag filter cleaning efficiency
99,95%
We control and minimize emissions to below acceptable levels in several ways.
Technological process safety
Advantages of the waelz-process technology
"We need to create an industry for the industrial wastes utilization. This is the closed-loop economy. Before that, there was no system in the country that would allow working with industrial waste on a permanent, systematic basis, for a long time."
The main problem is that zinc in dust is represented by ferrites, silicates and sulfides, which dissolve very slowly in acids under standard conditions
The main method of processing electric arc furnace dust is the waelz-process - pyrometallurgical dust treatment in a rotating tubular furnace in the presence of a carbon—containing reducing agent when exposed to temperature
Deputy Prime Minister of the Russian Federation Victoria Abramchenko
1200 – 1300 °C
As a result of pyrometallurgical processing of steelmaking waste, we obtain zinc oxide and iron-containing clinker
About us
75 000 tons
Of EAF dust are processed annually by our company using the waelz-process
Annual production of waelz oxide with a zinc content of 55-62%
20 000 tons
Annual consumption of domestic carbon-containing raw materials and lime
35 000 tons
Annual production of clinker with an iron content of 34-40%
90 000 tons
Separating zinc from dust is a difficult and expensive task.
High degree of integration of high-precision information sensors throughout the entire production cycle
The use of modern bag filters for the implementation of an effective three-stage gas purification system
Sale of processed products on domestic and foreign markets
Economy
Ensuring a closed production cycle by returning metals to the metallurgical process, as well as providing raw materials for other industrial sectors.
Technology
Avoiding the accumulation of illiquid waste with a high content of harmful substances.
Ecology
Three directions
of metallurgical waste processing
Possibility of parallel reduction of other valuable elements
Full production cycle
Environmental friendly process
In our technological process, we use only high-carbon raw materials and natural gas of Russian production. Combustion products undergo multilevel filtration, which provides significantly lower level of harmful substances concentration than the maximum permissible
International studies, along with extensive experience in the use of the waelz-process in the world, prove that the process is environment friendly. Particularly, in Europe, waelz technology has been assigned a "Green Level" of security
Waste-free production with two commercial products
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