System analysis of integrating fast pyrolysis to an iron and steel plant

• The reducing of CO2 allowance promotes steel industry to mitigate CO2 emissions. Utilization of biomass e.g., as injectants in the blast furnace to replace pulverized coal (PC), has been proposed as one promising option to meet these requirements in the short- Term. The aim of this work is to integrate a biomass fast pyrolysis to the iron and steel industry and to investigate the potential effects on the energy consumption and CO2 emission. In this work, an iron and steel plant from Sweden was chosen as a case study. An optimization model was extended to cover the fast pyrolysis units in the system boundary. The fast pyrolysis plant produces different types of biomass products i.e., bio-char, bio-oil and bio-syngas. Different alternative to utilize biomass products within the system were included in the model. The investigation shows that the integration of a fast pyrolysis units has great potential on, not only reducing CO2 emission, the potential energy savings.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Materialteknik (hsv//swe)

ENGINEERING AND TECHNOLOGY  -- Materials Engineering (hsv//eng)

Keyword

Biomass

Fast pyrolysis

Iron and steel plant

Process integration

Blast furnaces

Carbon dioxide

Coal

Energy conservation

Energy efficiency

Energy utilization

Environmental impact

Iron

Iron and steel plants

Optimization

Potential energy

Pyrolysis

Steel metallurgy

Steelmaking

Biomass products

Optimization modeling

Potential effects

Pulverized coals

Short term

System boundary

Iron and steel industry

Publication and Content Type

ref (subject category)

kon (subject category)