Dr. R.S.Somani

Designation: Sr. Principal Scientist
Phone No:
2567760
Phone Ext. No: 7020
E-Mail: rssomani[at]csmcri.res.in

Research Activities


Development of Adsorbents; Gas separation, purifcation and storage; preparation of zeolites & Calcium carbonate; Waste utilization; carbon based materials etc.


Expertise


Synthesis and characterisation of zeolites,Preparation and charactrization of Clay based Materials, Adsorption, Gas separation, purifi8cation and storage


 1.      "Synthesis of submicron size hollow carbon spheres by a chemical reduction solvothermal method using carbon tetrachloride as carbon source" Materials Letters, 63, (2009) 2339,

 

(IF: 1.748), Authors: Sandesh Y. Sawant, Rajesh S. Somani, Bharat L. Newalkar, Nettem V. Choudary and Hari C. Bajaj*.

2.      "An alternative activation method for the enhancement of methane storage capacity of nanoporous aluminium terephthalate, MIL-53(Al)" J Porous Materials, Published online 09 August, 2009, DOI 10.1007/s10934-009-9320-5. (IF:0.959) Authors: Phani Rallapalli, Dinesh Patil, K. P. Prasanth, Rajesh S. Somani, R. V. Jasra, H. C. Bajaj*

3.      "A solvothermal-reduction method for the production of horn shaped multi-wall carbon nanotubes" Carbon, 48, (2010), 668, (IF: 4.373) Authors: Sandesh Y. Sawant, Rajesh S. Somani and Hari C. Bajaj*.

4.       "Synthesis of Organoclays with Controlled Particle Size and Whiteness from Chemically Treated Indian Bentonite" Ind. Eng. Chem. Res.February 17, Vol. 49, Issue 4, (2010), 1677 (IF: 1.895) Authors: Hasmukh A. Patel, Rajesh S. Somani, Hari C. Bajaj, and Raksh V. Jasra*.

5.      "Sorption of Methane, Nitrogen, Oxygen, and Argon in ZSM-5 with different SiO2/Al2O3 Ratios: Grand Canonical Monte Carlo Simulation and Volumetric Measurements" Ind. Eng. Chem. Res. March 3, Vol.49, Issue 5, (2010), 2353 (IF: 1.895). Authors: Govind Sethia, Renjith S. Pillai, Ganga P. Dangi, Rajesh S. Somani, Hari C. Bajaj and Raksh V. Jasra*.

6.      "A density functional theory study on the interaction of hydrogen molecule with MOF-177" Accepted for publication in Molecular Simulation. (IF: 1.325) Authors: Ganga P. Dangi, Renjith S. Pillai, Rajesh S. Somani, Hari C. Bajaj* and Raksh V. Jasra.

7.      "Equilibrium and Dynamic Adsorption of CO and N2 on ZSM-5 with Different SiO2/Al2O3 Ratio" Separation Science and Technology, Vol. 45, Issue 3, (2010), 413. (IF: 1.139) Authors: Govind Sethia, Ganga P. Dangi, Amit L. Jetwani, Rajesh S. Somani, Hari C. Bajaj and Raksh V. Jasra*

8.   "Synthesis and characterization of organic bentonite using Gujarat and Rajasthan clays." Hasmukh A. Patel, Rajesh S. Somani, Hari C. Bajaj and Raksh V. Jasra .Current Science, 2007, Vol. 92, No. 7, 10 April, 1004-1009

9.  "Preparation and characterization of phosphonium Montmorillonite with enhanced thermal stability." Hasmukh A. Patel, Rajesh S. Somani, Hari C. Bajaj, Raksh V. Jasra, Applied Clay Science 2007, Vol.35, 194–200

        i.      Patents granted:

 

1. "PROCESS FOR PREPARING DETERGENT BUILDER ZEOLITE-A FROM KIMBERLITE TAILINGS" has been granted by USPTO. The US Patent no. is 7,560,093 dated 14 July 2009. The inventors are R. V. Jasra, R. S. Somani, H. M. Mody, H. C. Bajaj, J. R. Chunnawala, Hemal Ranpara, Dipti Barochiya, Devendra Ghelani, S. Chandra, M. K. Dhar, K. Rao and Kamlesh Kumar.

  2. Process for the preparation of Sodium Silicate from Kimberlite Tailings

Raksh Vir Jasra, Hari Chand Bajaj, Rajesh Shantilal Somani, Haresh Mahipatlal Mody, Jatin Rameshchandra Chunnawala, Hemal Ranpara, Dipti Barochiya, Devendra Ghelani, Suresh Chandra, Maharaja Kishen Dhar, Keshav Rao and Kamlesh Kumar. US Pat. No. 7,335,342 (Feb. 26, 2008)

       ii.      Patents Published:

a)      "A barium and potassium exchanged zeolite-X adsorbents for CO2 removal from gas mixture and preparation thereof" International application no. PCT/IN2010/000187, Inventors are R. V. Jasra, R. S. Somani, Beena Tyagi, Sunil A.P., Renjith S. Pillai, Ulka Sharma, Prakash D. Hirani and Rabishankar Mukhopadhyay.

b)      "A process for the preparation of molecular sieve adsorbent for the size/shape selective adsorption of carbon dioxide from its gaseous mixture with nitrogen" International application no. PCT/IN2010/000027, Inventors are R. V. Jasra, R. S. Somani, Beena Tyagi, Sunil A.P., Renjith S. Pillai, Ulka Sharma, Prakash D. Hirani and Rabishankar Mukhopadhyay.

c)      "A process for the preparation of Pentasil type zeolite for the selective adsorption of carbon dioxide from flue gas" International application no. PCT/IN2009/000753, Inventors are R. V. Jasra, R. S. Somani, Beena Tyagi, Sunil A.P., Renjith S. Pillai, Ulka Sharma, Prakash D. Hirani and Rabishankar Mukhopadhyay.

d)      "PROCESS FOR THE PREPARATION OF FINELY DIVIDED PRECIPITATED SILICA" United States Patent Application no. 20090010832, January 8, 2009

JASRA Raksh Vir, Mody Haresh Mahipatlal, Somani Rajesh Shantilal; Bajaj Hari Chand; Shukla Dipak Balwantrai; Vyas Niraj Rameshchandra.

    iii.      Patents filed:

a)      "Preparation of high purity precipitated calcium carbonate from highly impure calcium hydroxide such as generated during the production of acetylene from calcium carbide" Field in US, PCT and India. Inventors are M. R. Gandhi, J. R. Chunnawala, H. C. Bajaj, R. S. Somani, M. V. Sheth, H. L. Joshi, H. H. Deraiya, P. Maiti, S. C. Upadhyay.