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CSIR-NATIONAL ENVIRONMENTAL ENGINEERING RESEARCH INSTITUTE
A constituent laboratory of CSIR

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Home R&D Division Environmental Material Division Staff Dr.(Mrs) SADHANA RAYALU
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Staff

Dr.(Mrs) SADHANA RAYALU

Dr.(Mrs) SADHANA  RAYALU Image
Designation:
Chief Scientist
Email Id: s_rayalu[at]neeri[dot]res[dot]in
Qualification: Ph.D.(Chem), M.Sc(Chem)
Specialization:
Chemistry
Address:
EMD Division, NEERI, Nagpur
Biodata:
-

Staff ID

626

Division

Environmental Material Division

Contact Number Extension

Extension - 414

Publication

Sr. No. Publication Name
1
Copper oxide incorporated mesoporous alumina for defluoridation of drinking water
2
Plasmonic nanostructured Zn/ZnO composite enhances carbonic anhydrase driven photocatalytic hydrogen generation
3
Functionalised Adsorbents for Carbon dioxide Capture
4
In situ nitrogen enriched carbon for carbon dioxide capture

Copyrights

Sr. No. Copyright Title
1
Solar water disinfection inprinted pouch
2
Solar Water Disinfection Hybrid Still
3
Solar Water Disinfection Pasteurizer – Complete Water Treatment system
4
HYBRID PROCESSES FOR SYNTHESIS OF PHOTON INDUCED METAL AND METAL OXIDE COMPOSITES AND PHOTOCATALYTIC APPLICATIONS THEREOF

New and hybrid processes for synthesis of photon induced metal and metal oxide composites for various photocatalytic applications have been developed. The invention addresses three aspects including :

  1. hybrid approach of photon induced synthesis of metal nanoparticles and composites;
  2. photocatalytic chemical looping reactions of water splitting and hydrogen peroxide splitting with concomitant steam generation by exploiting SPR effect which is unique and not reported so far
  3. other improved and new processes for water and wastewater treatment using surface Plasmon resonance (SPR) materials. The first aspect of hybrid approach of photon induced synthesis of metal nanoparticles and composites deals with 9 different options including
    • new photon induced oxidation reaction;
    • improved photon induced galvanic displacement
    • new photocatalytic galvanic displacement
    • improved photon induced and chemical reduction
    • new photocatalytic chemical reduction
    • new halide (chloride and fluoride) based photo deposition of metals on semiconductors
    • new CO2 based photo deposition of metals on semiconductors
    • new carbon nanoparticle based photo deposition and
    • new metal nanoparticle (MNP) based photo deposition of metals on semiconductors.

The second aspect includes photocatalytic chemical looping reactions of water splitting and hydrogen peroxide splitting with concomitant steam generation by exploiting SPR effect. The third aspect includes other applications of water and waste water treatment using SPR materials like simultaneous defluoridation and hydrogen generation and disinfection. Thus the new photocatalytic materials developed have been used for generating solar fuels includingsteam with promising industrial applications hydrogen and hydrogen peroxide for fuel cell applications for stationary and mobile sources as well as its use for internal combustion engine and other related applications as chemical and fuel of steam and hydrogen. These promising applications of hydrogen and steam may prove to be a revolutionary technical advancement required for fuel economy demanding carbon neutral energy production.

Last modified date : 24-01-2021
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Contact

  • National Environmental Engineering Research Institute Image National Environmental Engineering Research Institute
  • Nehru Marg, Nagpur 440020 (Maharashtra)
  • Tel: +91-712-2249885-88/2249970-72
  • Director Office: +91-712-2249999/66
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Updated On : 20-05-2022

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