All the sessions of day 4 of was conducted by Mr.Kazuhiko Matsui, Hiyoshi, Japan . The session was very interesting to the student’s community as it was dealt with “Outline of wastewater treatment”. He had given an elaborate explanation on the necessity of wastewater treatment as a water pollution countermeasure carried out by enterprises. The following were introduced – Production process, type of wastewater, treatment form of wastewater (STP and ETP, concept tank and sewage), and main treatment method for each wastewater like Sedimentation separation, flotation separation, activated sludge, membrane separation and filtration. Examples of Textile manufacturing and processing waste water quality.
He also explained about the wastewater treatment principle and treatment equipment and in detail about introduction to physical treatment – precipitation, flotation and separation, biological treatment -microbial treatment, DO, etc., scientific treatment – flocculation, redox and adsorption), and typical equipment – screen, oil/water separation equipment, flocculation sedimentation equipment, biological treatment equipment, membrane separation equipment, and filtration equipment.
Followed by that improvement measures, case study and need for operation and maintenance was discussed. Explanation of the necessity of Operation and Maintenance in response to the new Indian standard regulations (BOD, T-N) was also done.
To sum up with the today’s report, the students have gained knowledge on the following
Waste water and sewage water treatment
Classification of waste water treatment equipment’s
Method to find water quality, Machines- Automatic control of measurement monitoring system
Control measures of Industrial waste water
Diseases spread due to water contamination
Ms Krithika Raman translated in English for the benefit and welfare of the students. The students had a good exposure about reduction of environmental problems in India as a whole and to improve the added value of products produced internationally by fostering environmental-friendly human resources in companies. The session ended up at 1.15pm.
Once again, the department of Chemistry, Office of International Relations & Collaboration Cell thank our beloved President for his support and encouragement and the executives for their continuous support.