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Browsing Department of Civil Engineering by Author "Routroy, Srikanta"

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Analyzing the effects of pickling sludge and fly ash valorized cement sand bricks

Routroy, Srikanta; Singhal, Anupam (Springer Nature, 2025-07)

The disposal of Stainless-Steel Pickling Sludge (SSPS) in landfills remains an important issue. Utilizing SSPS as construction material mitigates the negative environmental effects associated with its disposal, providing ...
Fired clay bricks synergistically valorizing hazardous nickel chrome-plating sludge and fly ash: Performance assessment

Singhal, Anupam; Routroy, Srikanta; Bhunia, Dipendu; Lahoti, Mukund (Elsevier, 2024-04)

Nickel Chrome Plating Sludge (NCPS) is a hazardous waste containing 25%-30% nickel and chromium. Previous attempts to immobilize NCPS into fired clay bricks resulted in weakened strength due to porosity and microstructure ...
Kiln-fired clay bricks synergizing nickel–chromium plating sludge and fly ash: mechanical characteristics and cradle-to-gate life cycle assessment

Bhunia, Dipendu; Routroy, Srikanta; Singhal, Anupam; Lahoti, Mukund (Springer, 2022-09)

Life cycle assessment (LCA) of novel fired clay bricks with synergistic co-valorization of nickel-chrome plating sludge (NCPS) and fly ash (FA) is reported. 0%, 20%, and 37.5% FA was added to improve sludge-deteriorated ...
Sustainable ceramic bricks for toxic industrial waste inertization: factory scale development and characterization

Singhal, Anupam; Routroy, Srikanta; Bhunia, Dipendu (Springer, 2025-07)

This work reports factory-scale development of cleaner ceramic bricks with the incorporation of hazardous nickel chromium electroplating sludge (NCS) obtained during chrome-plated steel production. The NCS is particularly ...
Synergic valorization of nickel-chrome plating sludge via alkali activation of steel slag and fly ash: performance analysis

Lahoti, Mukund; Singhal, Anupam; Routroy, Srikanta; Bhunia, Dipendu (Springer, 2024-09)

Nickel–chromium plating sludge (NCPS) is a hazardous waste due to high concentration (~ 25%–30%) of chromium and nickel. Electric arc furnace slag (EAFS) is a by-product of secondary steel manufacturing through the electric ...

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