Atmospheric air
The current specific air emissions by NLMK Group’s companies are in line with Russian best available techniques (BATs).
Since 2000, specific air emissions by NLMK Group have lowered 2.5 times while steel production has doubled.
NLMK Group air emissions
NLMK Group adopted its current Environmental Programme in 2021. Emission reduction projects remain a focus for the management and will continue to receive a large portion of environmental investment. Major future projects to reduce air emissions include new dedusting and desulphurization systems for the Sinter Plant, a revamp of dedusting at coking operations of NLMK Lipetsk, and installation of a dust-free coke discharge unit in Zarinsk. The projects aim to reduce emissions of dust, carbon monoxide, hydrogen sulphide, and sulphur oxides.
Key projects of the Environmental Programme under Strategy 2023 aimed at reduction of air emissions
NLMK Group
2021-2023
NLMK Lipetsk
Reconstruction of the casthouse dedusting unit at BF-3
NLMK Lipetsk
Construction of a dedusting system to capture fugitive emissions in the mixer section of BOF Shop No.1
NLMK Lipetsk
Optimization of chemical use at the open coal stockyard of the Coke Plant
NLMK Lipetsk
Construction of a blast furnace slag processing unit at BF-7 and a unit for chemical agent slag cooling
NLMK Liipetsk
Construction of a central gas cleaning system downstream of shaft furnaces in the Refractory Shop
NLMK Lipetsk
Reconstruction of gas cleaning equipment to eliminate emissions at the Chemical Technologies section of the Metallurgical Slag Processing Shop
NLMK Lipetsk, Stoilensky, Altai-Koks
Installation of automatic systems for atmospheric emission control
Altai-Koks
Technical upgrade of the dedusting system at the dust-free coke discharge unit
Stagdok
Upgrade of the Crushing and Beneficiation Plant dedusting system
Stagdok
Upgrade of the Crushing and Beneficiation Plant dedusting system
Reduction of dust emissions and at-capacity operation of equipment
NLMK Lipetsk, Stoilensky, Altai Koks
Deployment of automatic air emission monitoring on the sanitary protection zone boundaries
NLMK Lipetsk
Construction of a blast furnace slag processing unit at BF-7 and a slag reagent-cooling unit
Elimination of hydrogen sulphide emissions at the site
NLMK Lipetsk
Organizational measures on rail transport
Organizational measures on rail transport
NLMK Lipetsk
Construction of a dedusting system to capture fugitive emissions in BOF Shop No. 1
Dust emission reduction – 110 tonnes per year
NLMK Lipetsk
Revamping of BF-3 dedusting system
Dust emission reduction – 254 tonnes per year
NLMK Group
2020
NLMK Lipetsk
Construction of a new complex for the waterless processing of blast furnace slag
NLMK’s Blast Furnace Shop No. 1 (three blast furnaces) has fully switched to dry slag cooling
3,5x
decrease in hydrogen sulphide emissions at the facility
NLMK Lipetsk
Capital repairs of BF-4, including dedusting system revamp
Revamping the dedusting systems of the casthouse and the bin trestle
234
tonnes per year
Dust emission reduction
NLMK Lipetsk
Reconstruction of BOF-3
Reconstruction of a converter in BOF Shop No. 2 with a gas exhaust duct; construction of a system to capture and purify fugitive emissions
600
tonnes per year
total emission reduction
500
tonnes per year
dust emission reduction
Stoilensky
Technical upgrade of the process aspiration plant at the crushing and screening area of the beneficiation plant
700
tonnes
additional dust capture
NLMK Group
2019
NLMK Lipetsk
Construction of a coke oven gas capture and cleaning unit
Capturing and cleaning all the gas generated when coal is heated in a coke battery. Processing the captured substances into products.
30–80%
REDUCING THE SHOP’S EMISSIONS OF 1ST AND 2ND HAZARD CLASS SUBSTANCES
NLMK Lipetsk
BOF-2 reconstruction
Reconstruction of the BOF with a gas exhaust duct, including the construction of a system to capture and purify fugitive emissions.
99,9%
DUST CAPTURE BY THE AIR PURIFICATION SYSTEM
990
tonnes
total emission reduction
470
tonnes
included dust emission reduction
NLMK Lipetsk
Capital repairs at BF-6
Increasing the productivity and environmental performance of BF operations by revamping the dedusting systems and replacing hot-blast stoves.
5600
tonnes
total emission reduction
700
tonnes
dust emission reduction
NLMK Lipetsk
Revamp of the dedusting unit (DU-24) in the refractory shop
81
tonnes per year
Dust emissions at the section decreased by more than 90%
DanSteel
Replacement of combustion system in the normalizing furnace
8x
reduction of nitrogen oxide emissions
Indiana
Installation of dust catchers for truck unloading