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It is also brought out that the chimney in induced draft brick kiln is either installed in the central island or along the outer trench wall of the kiln i.e. outside the kiln. Whereas the installation of air pollution control device would be easy with the chimney outside the kiln, installation of APCD in the central island is expected to pose several problems and would require an innovative design solution. The water used for scrubbing of gases would be required to be neutralized using alkaline material, which can further be re- circulated or can be used in preparing clay mix for brick moulding. However, before its adoption at wider scale, the basic design parameters are required to be confirmed/checked and suitability of the system be assessed by demonstrating at two or three locations.