The School of Engineering at Cochin University of Science and Technology (CUSAT) organised a national workshop on Environment Management on Wednesday.
Speaking on the seminar, Vinod Tare, professor, IIT Kanpur, said zero discharge toilet systems capable of treating human wastes would be a sustainable option for addressing sewage-linked sanitation issues of the city.
Urban sanitation measures are causing administrative headache because of improper design and malfunctioning of the conventional water carriage toilets which in turn pollute surfaces and ground water resources, he added. Professor Tare said he had developed an innovative zero waste discharge toilet system as a decentralised and sustainable option rectifying the disadvantages of conventional water-based toilets.
The byproducts of this system can be converted to products like organic fertiliser that facilitate linking of sanitation with agriculture, said the professor.
Environmentalist C R Neelakandan remarked that people should be wise enough to ‘refuse’ a product if it is found unnecessary, leading to 4R approach (Reduce, Recycle, Reuse and Refusal). It would be a sustainable way of integrating waste management plans. Sudhakar Yedla, specialist on environmental policy (IGIDR, Mumbai) and Jayachandran, Deputy Chief Engineer of FACT spoke on the occasion.