Dr. Asok Adak has received his Bachelor Degree in Civil Engineering from Bengal Engineering College (DU), Shibpur in 2000. He has done M.Tech. and Ph.D. in Civil Engineering from Indian Institute of Technology, Kharagpur in the year 2001 and 2006 respectively. Dr. Adak has been awarded “Raman Fellowship” by UGC, New Delhi for carrying Post-Doctoral research at University of Maryland Baltimore County, USA from July 2013 to June 2014. Before joining IIEST Shibpur, he has served Jalpaiguri Government Engineering College, West Bengal and Birla Institute of Technology and Science, Pilani, Rajasthan. His area of research work is Environmental Engineering and Management. He works on adsorption and adsolubilization of inorganic (like metals and metalloids) and organic (surfactant, dyes, pesticides) pollutants using low cost adsorbent. He has expertise in soil decontamination by electrokinetic extraction method. Presently, Dr. Adak is working on advanced oxidation of emerging contaminants like human and veterinary antibiotics. Apart from this, Dr. Adak is recently working on quantification of antibiotics in different environmental matrixes and its effect on the development of antibiotic resistant bacteria in wastewater, surface water and drinking water. Furthermore, he is working in the field of advanced oxidation followed by biological treatment of persistent organic compounds. He has published many research articles in peer reviewed journals and numbers of research articles in conference proceedings. Recently, he has completed one DST research project. He is involved in number of industrial consultancy works of the department. As a recognition of his research activities, he has received several awards like IEI Young Engineers Award, Shrimati Saroma Sanyal Memorial Prize (IEI), Young Faculty Research Award (Bengal Engineering College Alumni Association – Washington Metropoliton Area), Silver Medal (IIT, Kharagpur).
Adsorption and Adsolubilization of organics from wastewater is one of the key research areas in the field of environmental engineering. Metal oxide surfaces are generally preferred for the adsorption of different surfactants because of its high capacity. The surfactant forms monolayer or bilayer structures on the surface of metal oxides. These structures are generally called hemi-micelles and ad-micelles which are capable of solubilizing organic compounds within their structure. This process is called Adsolubilization.
Phosporus recovery from solid waste is another area which requires in the present scinerio. Phosphorus is an essential nutrient for all life. Phosphorus is a non-renewable resource. Phosphorus recovery is technically possible; however the viability will ultimately depend on commercial factors. A process for extraction and recovery of phosphorus from solid animal wastes such as for example, poultry litter waste, includes the steps of phosphorus extraction, phosphorus recovery, and phosphorus recovery enhancement. Process has been developed for this purpose.
Advanced oxidation process is also an important wastewater treatment process for highly concentrated and low volume of wastewater contaminated by different organic compounds. This process relies on generation of hydroxyl radicals by various process like Fenton process, UV-hydrogen peroxide, ozone etc. The process parameters may be optimized for different types of wastewater and design parameters may be evaluated.
Electrokinetic soil remediation is also one of the important research area for decontamination of clayey soil where other traditional methods like soil washing, soil flashing etc. are not effective due to low permeability of soil. The electrokinetic remediation method relies on the application of direct current in soil. The operational process parameters may be optimized for this process. Also numerical simulation can also be done to predict the operation in real filed.
Antibiotic resistance development in wastewater is one of the emerging issues in the present scenario. Antibiotics are considered as the emerging contaminants in the environment and their concentration (though in microgram level) in wastewater is relatively high in developing countries like India compared to advanced countries. Due to present of antibiotics in wastewater for long period of time, it has been see that the microorganism have become resistant against these antibiotics. A thorough evaluation of the risk associated to antibiotic resistance should be studied and remedial measures may be recommended. Apart from this, the role of conventional wastewater treatment processes may be studied to reduce antibiotic concentration and resistant genes.
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Research:
Antibiotic resistance genes and its degradation in natural system
Research:
Remediation of antibiotic pollution
Research:
Advanced oxidation of surfactants
Research:
Coupled treatment of AOP and biological process for textile wastewater
Research:
Electrochemical oxidation
Research:
Mine water treatment
Research:
Adsorption and adsolubilization of surfactants
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Laundry wastewater treatement
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Detection of antibiotics in wastewater and its effect on antimicrobial resistance development
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Electrochemical oxidation of antibiotics
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Indirect photolysis of herbicide
Research:
Investigating spectrophotometric method for COD, BOD and TOC determination
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Indirect photolysis
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Treatment of dye-bearing wastewater by sequential electrochemical advanced oxidation and biological processes
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UV-H2O2 degradation of antibiotics
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Advanced oxidation of herbicide
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Phosphorus recovery
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Degradation of herbicides
Research:
Degradation of Plastic waste using physico-chemical processes.
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Created: 23 November 2019