International Sugar Journal

Development of an efficient slop-fired boiler* [Full subscriber]

Abstract Slop, also known as vinasse, is an acidic effluent from fermentation of sugarcane molasses in distilleries and is hazardous for direct disposal to environment. Conventional methods of disposal, such as bio-methanation or composting, do not fully meet environmental norms. Drawbacks of these methods include high residual liquid discharge, large area requirement, land pollution due to leaching and increased disposal problems during rains. Incineration ensures complete disposal and meets the statutory norms of zero liquid discharge. An appropriate boiler combustion system is developed after detailed study and assessment of slop characteristics. Major challenges in firing slop include high slagging and…

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