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Interventions in Glass Sector
Glass Sector
Background
Molten glass being drawn out - pot furnace
A Gas fired pot furnace designed by TERI


The TERI intervention in Firozabad glass industry cluster was initiated in 1994 as part of SDC’s (Swiss Agency for Development and Cooperation) India programme in the energy sector. This aims to achieve savings in energy and consequently lead to carbon dioxide reductions in select energy intensive small scale industry sectors. During the initial two years, a detailed diagnostic study in various SSI (small scale industry) sectors was undertaken by TERI and Firozabad glass industry cluster was selected as one of the sectors for intervention. The selection was mainly on the basis of the tremendous scope for energy savings and pollution reduction that existed in the cluster. The project envisaged energy savings and pollution reduction in selected glass industry segments through fuel substitution and upgradation of the furnaces. This was to be achieved through a combination of applied research, technical support, capacity building, and awareness generation of the target groups.

Systemic Factors and Project Strategy

Molten glass being drawn out - pot furnace
A view of Gas fired muffle furanes

Although the initial interventions were planned considering coal, which was the dominant fuel in use at that time, the project had soon to change its focus—to develop only NG (natural gas) fired systems, as use of other fuels in the Taj Trapezium Zone was banned by the Supreme Court of India in response to a Public Interest Litigation for the protection of the Taj Mahal from environmental pollution. The Action Research phase of the project, which started in 1996, focused on ‘pot furnaces’, which are used for glass melting, and ‘muffle furnaces', colloquially called ‘pakai bhatties', that are used for bangle baking. The baseline study had indicated that both these categories of furnaces together accounted for about 2/3rd of total energy consumption in the cluster. The primary focus during this phase was to design and demonstrate energy efficient pot and muffle furnaces using natural gas as the fuel. Competence pooling and bottom-up participatory approach were the hallmarks of the action research phase. The process of technology development and demonstration involved close interaction between the TERI team, the local industry, and the international as well as the local consultants.