Dr. Ligy Philip

IIT MADRAS

Professional Experience

Professional Experience - Summary

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Bioremediation of contaminated soils, air and water with heavy metals, pesticides and other hazardous organic compounds

  • Microbial cultures have been isolated and identified for the complete mineralization endosulfan, the most commonly used and currently the most notorious of all pesticides in India.

  • Currently this work is being extended to isolate and enrich microbial cultures which can attack an array of pesticides belonging to different groups. These “bugs” will be very effective for remediation of pesticide contaminated agricultural fields.

  • Biological systems have been developed for treatment of wastewater, soil, and aquifers contaminated with highly toxic hexavalent chromium. Currently working along with Tamilnadu Pollution Control Board to demonstrate the feasibility of cleaning up of chromium contaminated site in Vaniyambadi (both soil and aquifer) using bioremediation.

Water treatment and Rural Water Supply

  • Development of new adsorbents for the treatment of arsenic and fluoride contaminated water.

  • Developed an economical and effective household filter which can be used in any rural house hold.

  • This filter has been field tested extensively. Recent research in this area resulted in development of adsorbents which have three to five times more capacity than the best available adsorbents for arsenic and fluoride removal, today.

  • Developing low cost, easy to use treatment systems for rural areas.

Air pollution monitoring, modeling and control

  • Carrying out state-of-the art work in flue gas treatment using advanced oxidation and biological methods. The integrated system can reduce the NOx and SOx levels to required standards within 6 seconds of residence time.

  • No residual pollution and recovers elemental sulfur as resource.

  • This technology is being implemented in a pilot scale by M/S Futura Polyesters, Manali, Chennai.

  • Research and consultancy works are being carried out for the treatment of VOCs (Benzene, xylene, toluene, and dichloromethane) from air stream using biotrickling filters and rotating biological contactors.

  • SIDA is sponsoring current studies on the air pollution status in Chennai. This is a part of an international effort to curb the atmospheric pollution of developing Asian countries. These projects are also intended to spread the awareness of pollution and help the policy makers to implement the policies to reduce the pollution.

Domestic and Industrial wastewater treatment with emphasis on wastewater reuse and recycling

  • Developed a novel treatment system for tannery wastewater. This system consisted of a biological system for the simultaneous removal of organic matter and biotransformation of hexavalent chromium followed by an adsorption or precipitation system. Presently, concentrating on the treatment of domestic wastewater with focus on water recycle.





 
B.Tech
  1. Engineering Drawing
  2. Water and Wastewater Engineering
  3. Design of Water and Wastewater Treatment Facilities
  4. Industrial Wastewater Management
  5. Environmental Engineering Lab
  6. Environmental Engineering
M.Tech
  1. Wastewater Management
  2. Planning and Design of Water treatment Facilities
  3. Planning and Design of Wastewater Treatment Facilities
  4. Air Quality Management
  5. Microbiology and Environmental Engineering Laboratory
  6. Project Formulation and Appraisal
  7. Environmental Chemistry and Microbiology
  8. Water Quality and Treatment
  9. Hazardous Waste Management
  10. Environmental monitoring Laboratory
  11. Biological Processes design for wastewater treatment
  

Professional Experience - Short Term Courses Conducted

  1. Contaminant transport modeling: Theory and Practice Sponsored by AICTE under QIP program. To be Held during 11-16 June, 2007 at Indian Institute of Technology, Madras (Co-coordinator Dr. B.S.Murty)

  2. Hazardous waste management. Sponsored by AICTE under QIP program. Held during 7-18 July, 2003 at Indian Institute of Technology, Madras (Co-coordinator Dr. B.K. Bezbarua)

  3. Advanced Waste Minimization and Management Technologies. Sponsored by AICTE under QIP program. Held during 20-25 November, 2000 at Indian Institute of Technology, Kharagpur (Co-coordinator Dr. A.K. Dikshit)

Professional Experience - Invited Lectures / Courses Delivered

  1. Sulfur Dioxide Treatment from Flue gases using a Biotrickling filter 20th National Convention of IPHE on Environmental Engineering, Held in GITAM Engineering College, Visakha patnam-530 045 during 22-24 August, 2002.

  2. Biofiltration for the control of VOC’s and Flue gases National Seminar on Regional air Quality Monitoring and Policy Making held in Vellore Institute of Technology, Vellore during June 12-14, 2003.

  3. Regional Air Quality Improving Programs. Role of AIRPET. Manila, Philippines. AIRPET conference on Sweeping off the dust in Manila’s air: A science and policy dialogue” in Manila on 21.04.04 as AIRPET representative.

  4. Bioremediation of contaminated air and water: Keynote address given in the Annual Fest of Civil Engineering Association, Kongu Engineering College, Tamil Nadu. March 2003.

  5. Bioremediation of Contaminated air. International Interdisciplinary Conference on Sustainable Technologies for Environmental Protection held in Coimbatore Institute of Technology, Coimbatore during 7-9 January, 2006.

  6. Air Pollution: Receptor modeling for policy making. National Seminar on Solid waste management in Chemical and Allied industries, August 16-18, 2006, Guntur Engineering College.

  7. Water Digest.

  8. Mechanistic models for water quality, Training Workshop on “Lake Water Quality and Hydrology Models” held at IIT Kharagpur during 22-27 Nov, 1999.

  9. Mechanistic modeling: case studies, Training Workshop on “Lake Water Quality and Hydrology Models” held at IIT Kharagpur during 22-27 Nov, 1999.

  10. Small scale industries: Pollution sources, pollutants and its effects on environment, Short term course on “ Management concepts and technologies for the small scale industries, held at Vinod Gupta School of Management, IIT Kharagpur during Feb. 28th to March 4, 2000.

  11. Pollution prevention and control methods for small-scale industries. Short-term course on “ Management concepts and technologies for the small scale industries, held at Vinod Gupta School of Management, IIT Kharagpur during Feb. 28th to March 4, 2000.

  12. Waste minimization: Cleaner Technologies. Training program for overseas delegates conducted in Technical Teachers Training Institute, Taramany, Chennai during Jan-March, 2001.

  13. Life cycle assessment. Training program for overseas delagates conducted in Technical Teachers Training Institute, Taramany, Chennai during Jan-March, 2001.

  14. Bioremediation of contaminated air and water: Keynote address given in the Annual Fest of Civil Engineering Association, Kongu Engineering College, Tamil Nadu. March 2003.

Professional Experience - Organizational Skills

  • One-day workshop on Field oriented bacteriological tests for potable waters sponsored by UNICEF and held at IIT Kanpur, March 1993.

  • Workshop on Defluoridation of water using Activated Alumina sponsored by UNICEF and held at IIT Kanpur, March 1996.

  • Participated in IMPACT 96 held at New Delhi as IIT Kanpur representative.

  • Resource Person:

    • In Workshop on Defluoridation of water based on Activated Alumina sponsored by UNICEF and held at Anantapur, December 1995.

    • In Workshop on Defluoridation of water using Activated Alumina sponsored by UNICEF and held at Dungarpur, August 1996.

  • Resource Person and Organizing Committee member in the Training Workshop on “Lake Water Quality and Hydrology Models” held at IIT Kharagpur during 22-27 Nov, 1999.
  • Technical Committee Member for the International Conference on Advancement in Civil Engineering, conducted by Department of Civil Engineering, Indian Institute of Technology, Kharagpur during 3-5, Jan, 2002.

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