Lead is usually found naturally as a sulfide ore containing small amounts of copper, iron, zinc and other trace elements. Processing involves three major steps - sintering, reduction and refining. Lead reduction is carried out in a blast furnace.
The main parameters of the exhaust gas:
Temperature of exhaust gas stream- 110°C
Flow rate - 23,000m3/h
Concentration of particles: 1.2 g/m3
SOx: 0.023 g/m3
Particle size distribution:
Cumu!atare concentration, %
You are asked to design and construct a suitable air pollution control technology to prevent the emission of particulate pollutant to the atmosphere. The final document must include:
1. Introduction (description of the main process and air pollution sources).
2. Literature review (description of relevant various alternative air pollution control technologies, their advantages and disadvantages and analysis of the possibility of utilisation for the particular process).
3. Main chapter (design and costing of the air pollution control technology: calculations, diagrams, sketches, etc). Two devices (for preliminary and final purification) must be designed and their drawings along with the entire technology layout must be presented.
4. Conclusions and recommendations.
Local Emission Standards (maximum allowed emissions) : CO- 0.04 W m3; NOx— 0.05 g/ m3; SOx— 0.03 g/ m3; Particles— 0.02 W m3; Others —0.05 g/ na3