Ref. No. : CA - 14793 - (R&D - Raw Material – with 17.9 years in Plastic Industry)

Education

Ph. D. (Material chemistry) From Jiwaji University, Gwalior in Year 2008 To 2014

M.Sc. (Chemistry) From Jiwaji University, Gwalior in Year 2005 To 2007

Skill Sets

IT Skills
1 year diploma in computer applications

Software Operated
Origin
Chemdraw
Autosorb
Photoshop

Work Experience

Senior Research Scientist
Since Aug 2014 To Till Date
Company Profile: Manufacturer of pharmaceuticals
Job Profile:
Synthesis of macro-porous/ gigaporous  adsorbent polymer beads via suspension polymerization
Synthesis of oxirane (epoxy) group polymers with various co-monomer combinations (e.g. GMA, EGDMA,HEMA) and adsorbent polymers (MMA-DVB, Styrene-DVB, VA-DVB) with different CLD
Optimizing Protein binding, epoxy content, hardness and enzyme affinity parameters of polymeric beads
Amine group creation and spacer arm attachment to polymer via GA treatment
Designing optimized polymer structure with hydrophobicity (S/H) ratio for immobilizing lipase (Cal-b) and pen-G enzymes

Research Fellow
From Sep 2008 To May 2012
Company Profile: Military's research and development organisation 
Job Profile:
Development of phenolic resin beads 
Physical and chemical activation for preparing activated carbon spheres Application of activated carbon spheres for adsorptive removal of toxicants like sulphur mustard and HCN gas

Synthesis of spherical resin beads (Epoxy, phenolic, acrylic, Styrene and adsorbent resins) in spherical bead form by suspension polymerization technique  Analysis of mechanical strength and protein binding capacity epoxy content of the polymers Preparation of activated carbon spheres by physical activation and chemical activation methods Development of new oxime molecules through catalytic reactions Setting up gas generation assembly for carbon tetra chloride vapours and HCN gases Experience in performing surface area analysis and result analysis by BET, MP, DR, DFT, BJH methods Impregnation of active carbon by different chemical activating agents by incipient wetness technique In- situ degradation studies of impregnated carbon spheres against sulphur mustard (HD) and its stimulant 2-CEES Sample preparation, calibration and method validation for gas chromatograph equipped with fid detector  Performing GC-MS analysis for product analysis and interpretation of results  Analysis of % impregnant loading by atomic absorption spectroscopy FTIR instrument handling along with pallet formation and result interpretation Handling instruments like centrifuge, ultrasonicator and hydrothermal reactor

Projects Details:
Polymer synthesis:
Synthesis of phenol formaldehyde resin beads with different F / P ratio and catalysts. Study on the effect of variation in the nature and concentration of catalyst. Suspension polymerization reactions with reaction parameter variations. study on the effect of adding surfactants and porogens during polymerization. Study on the effect of various monomer and cross-linker combinations and CLD variations. Analysis of properties of the resulting polymers 

Activated carbon spheres:
Synthesis of activated carbon in spherical form using prepared polymeric beads with different carbonization and activation conditions by tubular furnace equipped with PID controller. Characterization of these spheres with surface area analyzer, raman spectroscopy, FT-IR spectra, scanning electron microscopy, EDX and XRD techniques. Impregnation of the spheres and evaluation against chemical warfare agents viz., HD, 2-CEES and toxic gases like hydrogen cyanide. 

Synthesis of functionalized oxime molecules:
(4-Chlorophenyl)-N-hydroxymethanimine and Cyclohexyl-N-hydroxymethanimine synthesized through schematic catalytic reactions and analysis of the products through ft-ir and gc-ms techniques to establish and confirm the chemical structure of the molecules.

Breakthrough Studies for CW agent degradation:
CCl4 vapour generation through schematic gas generation assembly and studied for breakthrough behaviour over impregnated i.e., ASZMT carbon, reporting of degradation behaviour to evaluate efficacy of active carbon to be filled in canisters for respiratory gas masks HCN gas generation using specific chemical composition and flow rate optimization methods and application of spherical activated carbon for breakthrough behaviour analysis

Research Publications
Study on phenolic resin beads: effect of reaction parameters on the properties of polymeric beads Smriti Shrivastava, Avanish Kumar Srivastava, Beer Singh, D. Shah, A. K. Verma, P. K. Gutch  Journal of Applied Polymer Science, Vol. 123, 3741–3747 (2012) Triethylene diamine catalyzed phenolic resin beads : effect of reaction parameters Smriti Shrivastava, Avanish Kumar Srivastava, Beer Singh, D. Shah, A.K. Verma, P.K Gutch Journal of Polymer Materials, Vol. 28, No.3, 377-393 (2011) Kinetic study of the degradation of diethylchlorophosphate and sarin on carbon- supported oxime Aniza K Verma, Avanish K Srivastava, Beer Singh, Dilip Shah, Smriti Shrivastava Carbon Vol. 50, No. 8, 3103–3106 (2012) Vapour breakthrough behaviour of carbon tetrachloride: a stimulant for chemical warfare agents on ASZMT carbon Avanish Kumar Srivastava, Dilip Shah, Amit Saxena, T.H. Mahato, Beer Singh, A.K. Verma, Smriti Shrivastava, Anuradha roy, A.R. Shrivastava, P.K.Gutch
Journal of scientific & industrial research Vol. 71, 748-756 (2012) Alumina-supported oxime for the degradation of sarin and diethylchlorophosphate Aniza K Verma, Avanish K Srivastava, Beer Singh, Dilip Shah, Smriti Shrivastava, Chandrakant P. Shinde Chemosphere Vol. 90, No. 8, 2254–2260 (2013) Breakthrough behaviour of NBC canister against carbon tetrachloride: a simulant for chemical warfare agents Avanish Kumar Srivastava, D. Shah, T. H. Mahato, Beer Singh, A. Saxena, A. K. Verma, S. Shrivastava, A. Roy, S. S. Yadav and A. R. Shrivastava
Carbon Letters Vol. 13, No. 2, 109-114 (2012)

Patents Filed:
Spherical beads of phenolic resin and process for producing the same Smriti Shrivastava, Avanish Kumar Srivastava, Beer Singh, Dilip Kumar Shah, aniza Kaushal Verma, Timir Haran Mahto, Pranav Kumar Gutch, Anchal Roy Srivastava, R. Vijayaraghavan Indian patent application No. 899/DEL/2011 Triethylene diamine catalyzed spherical beads of phenolic resin and the process for producing the same Smriti Shrivastava, Avanish Kumar Srivastava, Beer Singh, Dilip Kumar Shah, Aniza Kaushal Verma, Timir Haran Mahto, R. Vijayaraghavan, Indian Patent application No. 2557 / DEL / 2010 Canister to remove carbon monoxide gas Avanish Kumar Srivastava, Beer Singh, Amit Saxena, D. Shah, Smriti Shrivastava, R.Vijayaraghavan, Indian Patent application No. 1148/DEL/2010 Activated carbon spheres: preparation using phenolic resin beads Smriti shrivastava, Avanish Kumar Srivastava, Beer singh, Dilip Kumar Shah, Aniza kaushal verma, Timir Haran Mahato
Indian Patent application No. 1050 / DEL 2013
Presentations at DRDE, Gwalior Preparation and characterization of NaOH-activated carbons from phenolic resin Zhongren Yue, James Economy and Gary Bordson
Journal of Materials Chemistry 16, 1456–1461 (2006)
Understanding chemical reactions between carbon, NaOH and KOH : An insight into the chemical activation mechanism
M. A. Lillo - Rodenas, D. Cazorla - Amoros, A. Linares – Solano Carbon 41, 267-275 (2003) Microporous Activated Carbon Spheres Prepared from Resole-Type Cross linked     Phenolic Beads by Physical Activation A. Singh,  D. Lal 
Journal of Applied Polymer Science, Vol. 110, 3283–3291 (2008)

Hands on Instruments:
FT-IR, GC, GCMS, AAS, Potentiometric-titrator, UV-visible Spectrophotometer, temperature programmed Furnaces, hydrothermal reactors

Future Goals

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