Pleno V Dry Scrubbing Technology
Danieli Corus is a market leader in dry scrubbing technology for the primary aluminium industry. Our proprietary Pleno V technology provides the industry with a highly efficient, cost–effective and versatile emission control system. Developed to remove fluoride compounds from potline emission, the technology has also been successfully adapted to remove both fluorides and
hydrocarbons from the fumes emitted by carbon anode baking furnaces and green carbon
plants.
Vertical Radial Injector
The heart of the Pleno V technology is the patented Vertical Radial Injector. The fluidized scrubbing medium is injected to achieve maximum diffusion of the particles in the gas flow with minimum turbulence. The VRI offers the following benefits:
- Reduced pressure loss
- Reduced recycling
- Reduced abrasion
- Reduced scale
- Lower energy consumption
- Extended filter bag life
Low Pressure Pulse–Cleaning
Pleno V technology feature a low pressure pulsing system for cleaning the bag filters: the alumina is removed using a lower pressure, long duration, high volume pulse.
This principle creates a lower can velocity around the bag filters. As such, it allows for the application of longer bags and therefore, reduced footprint of the baghouse.
Conditioning Tower
Pleno V Fume Treatment Centers are equipped with a conditioning tower to control the temperature of the fumes and serve as a spark arrester in order to protect the filter bags. Water is sprayed through dual–phase nozzles that are designed to generate a fine mist of droplets, which enhances fast evaporation and rapid cooling of the gas. The conditioning tower is engineered to provide sufficient residence time to allow all the droplets to evaporate completely. This ensures the “dry bottom operation” that is required to detrimental effects such as corrosion, clogging or damage to the bag filters.
Featured references
Ma’aden Aluminium Fume Treatment Centers
Fume Treatment Centers
28
Gas Treatment Centers
24
Application in Blast Furnace Ironmaking
With more than 50 references in the aluminium industry, Pleno V technology was redeveloped for application in the steel industry. In areas with water scarcity, there is major incentive to eliminate the consumption or large quantities of scrubbing water. With one system operating and two more under construction, Danieli Corus dry blast furnace gas cleaning technology is the only proven western solution.
ArcelorMittal Nippon Steel India Greenfield Blast Furnace Nos. 2 & 3
BF–BOF Steelmaking CO2 Emissions Reduction Options
Blast Furnace Staves Replacement using Fishing Methodology