P S Singh

Dr. Puyam Sobhindro Singh

Chief Scientist

Academic Qualifications

B.Sc. Chemistry 1990-University of Pune (Fergussion College), M.Sc. Chemistry 1992-University of Pune, Ph.D. Chemistry 1996- University of Pune (National Chemical Laboratory)

Contact Details

Dr. Puyam Sobhindro Singh

Chief Scientist

puyam@csmcri.res.in

7560 / 2567760

1.     

U.G. Thummar, J. Jayalakshmi, M. Saxena, Y. Suva, N. Nandha, P. Kumar, V.K. Aswal, P.S. Singh*

Highly water permeable ‘reverse osmosis’ polyamide membrane of folded nanoscale film morphology

Journal of Water Process Engineering, 55, 104110, 2023

2.     

P. Kumar, U. G. Thummar, N. H. Nandha, P. S. Singh*

Sustainable treatment of saline dye wastewater and resource recovery with flux-recoverable hollow fiber of antifouling ‘water channel’

Desalination, 549, 116308, 2023

3.     

M. K. Paidi, V. Polisetti, K. Damarla, P. S. Singh, S. K. Mandal, P. Ray

3D Natural mesoporous biosilica-embedded polysulfone made ultrafiltration membranes for application in separation technology,

Polymers, 14(9), 1750, 2022

4.          

U. G. Thummar, A. Koradiya, M. Saxena, V. Polisetti, P. Ray, P. S. Singh*

Scaling-up of robust nanofiltration membrane of ultrathin-film-composite structure

Desalination, 530, 115650, 2022

5.     

U. G. Thummar, M. Saxena, S. Ray, P. S. Singh*

Solvent-resistant polyvinyl alcohol nanofilm with nanopores for high-flux degumming

Journal of Membrane Science, 650, 120430, 2022

6.         5

A. Bhattacharya, M. Saxena, P. S. Singh

Composite Membranes prepared by Polyvinyl alcohol- maleic acid onto Polysulfone: separation performance of tea polyphenol

Macromolecular Research 30, 571–578, 2022

7.         6

P. S. Singh*, V.K. Aswal, W. Schwieger

Underlying core-shell colloidal nanostructure for Beta zeolite membrane formation

Microporous and Mesoporous Materials, 325,111349, 2021

8.         7

Kirti, N. Nandha, P. S. Singh, D. N. Srivastava

Improved OER Performance on the Carbon Composite Electrode through Tailored Wettability

ACS Applied Energy Materials, 4(9), 9618–9626, 2021

9.         8

P.K. Prajapati, R.K. Nagarale, P.S. Singh*

Covalently immobilized Cobalt Phthalocyanine @MWCNT PDMS hollow fiber membrane for highly selective, reversible and bio-inspired oxygen transport

Journal of Membrane Science, 624, 119119, 2021

10.      9

P. K. Prajapati, R. Mistry, M. Saxena, N. Nandha, U. Thummar, P.Kumar, P. S. Singh* 

Increase of flow-through pores in rationally designed organosilica-PVDF nanocomposite membrane

Journal of Applied Polymer Science, 138, 50846, 2021

11.      1

P.K. Prajapati, P.S. Singh*

In‐solution structure formation of poly (vinylidene fluoride) building units influencing on the final membrane characteristics

Journal of Applied Polymer Science, 14, 50133, 2021

12.      1

V. Polisetti, S. Naidu, A.M. Kansara, P. Ray, P. S. Singh*

An instant oil separation by octadecyl-polysiloxane-reticulated recyclable superhydrophobic polyester fabric,

Environmental Technology & Innovation, 21,101322, 2021

13.       

P. K. Prajapati, R. K. Nagarale, P. S. Singh*

 

Covalently immobilized Cobalt Phthalocyanine @MWCNT PDMS hollow fiber membrane for highly selective, reversible and bio-inspired oxygen transport

Journal of Membrane Science, 624, 119119, 2021

14.       

P.K. Prajapati, P. S. Singh*

 

In‐solution structure formation of poly (vinylidene fluoride) building units influencing on the final membrane characteristics

Journal of Applied Polymer Science, 138 (14), 50133, 2021

15.       

V. Polisetti, S. Naidu, A. M. Kansara, P. Ray, P. S. Singh* 

An instant oil separation by octadecyl-polysiloxane-reticulated recyclable superhydrophobic polyester fabric

Environmental Technology & Innovation, 21, 101322, 2021

16.       

P. K. Prajapati, N. N. Reddy, R. Nimiwal, P. S. Singh, S.Adimurthy, R. K. Nagarale

Polyaniline@ porous polypropylene for efficient separation of acid by diffusion dialysis

Separation Purification Technology, 233, 115989, 2020

17.       

N. Tiwari; P. Karkare; D. Ray; V. K. Aswal; P. S. Singh; C. N. Murthy

Understanding the morphology of MWCNT/PES membranes using SANS: Interpretation & Rejection Performance

Applied Water Science, 9 (7), 154, 2019

18.       

S. Reuß, B. Reif, D. Sanwald, W. Schwieger, M. Kaspereit, P. S. Singh, et.al.

Sequential Template Decomposition to Adjust the Performance of Imperfect Zeolite BEA Membranes

Chemie Ingenieur Technik, 91 (7), 953-960, 2019

19.       

P. K. Prajapati, A. M. Kansara, V. K. Aswal, P. S. Singh*

Highly oxygen permeable Zeolite- 4A poly(dimethylsiloxane) membrane for air separation

Journal of Applied Polymer Science, 136 (42), 48047, 2019

20.       

P.K. Prajapati, R. Nimiwal, P.S. Singh, R.K. Nagarale*

Polyaniline-co- epichlorohydrin nanoporous anion exchange membranes for diffusion dialysis

Polymer, 170, 168–178, 2019

21.       

A. M. Kansara, P. K. Prajapati, V. K. Aswal, P. S. Singh*

Structure-property interplay of asymmetric membranes comprising of soft polydimethylsiloxan e chains and hard silica nanomaterials

Polymer, 160, 30- 42, 2019

22.       

M. Saxena, S. G. Chaudhri, A.K. Das, P. S. Singh*; A. Bhattacharya

Cross-linked thin poly (vinyl alcohol) membrane supported on polysulfone in tea polyphenol separation

Separation Science and Technology, 54, 343- 359, 2019

23.       

A. M. Kansara, P. S. Singh*

Preparation of new C8H4F13-PDMS membranes via a ‘cross- linking’reaction using trichloro (perfluoro-octyl) silanes: Effect of cross-linker amount

Separation Science and Technology, 54, 329- 342, 2019

24.       

K. Doshi, Y. Trivedi, P. Ray, P. S. Singh*

Degumming of crude vegetable oil by membrane separation: Probing structure- performance and stability of PVDF membranes

Separation Science and Technology, 54, 360- 369, 2019

25.       

P. K. Prajapati, A. M. Kansara, V. K. Aswal, P. S. Singh*

Effect of Zeolitic Imidazole Framework-8 nanocrystals on hydrocarbon permselective Poly (dimethylsiloxane) membrane as probed by small-angle neutron scattering

Polymer, 143, 96- 105, 2018

26.       

R. J. Mistry, M. Saxena, P. Ray, P. S. Singh*

Octadecyl‐silica— PVDF membrane of superior MD desalination performance

Journal of Applied Polymer Science, 135, 4604, 2018

27.       

P. S. Singh*, V. K. Aswal, S. G. Chaudhri, W. Schwieger,

Structural evolution during nucleation of Si-rich LTA nanocrystals from colloidal solution

Microporous and Mesoporous Materials, 259, 99- 110, 2018

28.       

S. G. Chaudhri, J. Chaudhari, P. S. Singh*

Fabrication of efficient pervaporation desalination membrane by reinforcement of poly (vinyl alcohol)– silica film on porous polysulfone hollow fiber

Journal of Applied Polymer Science, 135, 4571 8, 2018

29.       

D. Nakrani, M. Belani, H. C. Bajaj, R. S. Somani, P. S. Singh*

Concentrated colloidal solution system for preparation of uniform Zeolite-Y nanocrystals and their gas adsorption properties

Microporous and Mesoporous Materials, 241, 274- 284, 2017

30.       

B. Rajai, A. Kansara, P. S. Singh*

Treatment of wastewater containing volatile organics using hollow fibre PDMS- polysulfone membrane system: recovery of organics and water reclamation

Current Science, 111, 517- 523, 2016

31.       

S. Mukherjee, A.M. Kansara, .D Saha, R. Gonnade, D. Mullangi, B. Manna, A.V. Desai, S.H. Thorat, P.S. Singh, A. Mukherjee, S.K. Ghosh

An Ultrahydrophobic Fluorous Metal– Organic Framework Derived Recyclable Composite as a Promising Platform to Tackle Marine Oil Spills

Chemistry-A European Journal, 22 (31), 1093 7- 1094 3, 2016

32.       

P.S. Singh*, K. Singh

Aqueous micellar solution to control non-solvent–solvent exchange during phase inversion process of polysulfone membrane preparation resulting in membranes of different pore structures

Current science, 110 (8), 1485 – 1494, 2016

33.       

P.K. Prajapati, A.M. Kansara, P.S. Singh*

Preparation and characterization of an oxygen permselective polydimethylsiloxan e hollow fibre membrane

RSC Advances, 6 (92), 88943- 88953, 2016

34.       

A.M. Kansara,      S.G. Chaudhri,     P.S. Singh*

A facile one-step preparation method of recyclable superhydrophobic polypropylene membrane for oil– water separation

RSC Advances, 6 (66), 61129- 61136, 2016

35.       

A.K. Das, P.S. Singh

Probing initial polymer precursor solution used in poly(dimethylsiloxane) membrane preparation by HPLC-APCI-MS and ESI-MS

Analytical Methods, 8 (3), 537- 547, 2016

36.       

A.M. Kansara, V.K. Aswal, P.S. Singh*

Preparation and characterization of new poly (dimethylsiloxane) membrane series via a ‘cross- linking’reaction using monomolecular trichloro (alkyl) silane of different alkyl chain and type

RSC Advances, 5, 51608, 2015

37.  

S.G. Chaudhri, B.H. Rajai, P.S. Singh*

Nanoscale homogeneity of silica–poly (vinyl alcohol) membranes by controlled cross- linking via sol–gel reaction in acidified and hydrated ethanol

RSC Advances, 5 (81), 65862, 2015

38.  

G.L. Jadav, V.K. Aswal, P.S. Singh*

In-situ preparation of polydimethylsiloxan e membrane with long hydrophobic alkyl chain for application in separation of dissolved volatile organics from wastewater

Journal of Membrane Science, 492, 95, 2015

39.  

S.G. Chaudhri, B.H. Rajai, P.S. Singh*

Preparation of ultra- thin poly (vinyl alcohol) membranes supported on polysulfone hollow fiber and their application for production of pure water from seawater

Desalination, 367, 272, 2015

40.  

M. Saxena, P. Ray, P. S. Singh*, A. Bhattacharya*

Studies towards understanding the effect of hexane on Polysulfone membranes

Polymer Bulletin, 1, 1-15, 2015

41.  

P. Veerababu, B. B. Vyas, P. S. Singh*, P. Ray

Limiting thickness of polyamide- polysulfone thin- film-composite nanofiltration membrane

Desalination, 346, 19, 2014

42.  

A. M. Kansara, G. L. Jadav, S. G. Chaudhri, P. S. Singh*

Sequential sorption- reaction-evaporation process for preparation of poly(dimethylsiloxa ne)-polysulfone composite membrane and its application in treatment of aqueous solution containing volatile organics

Separation Science & Technology, 49, 2834, 2014

43.  

S. Devi, P. Ray, K. Singh and P. S. Singh*

Preparation and characterization of highly micro-porous PVDF membranes for desalination of saline water through vacuum membrane distillation

Desalination, 349, 9, 2014

44.  

P. S. Singh*, S. G. Chaudhri, A. M. Kansara, W. Schwieger*, T. Selvam, S. Reuss and V. K. Aswal

Cetyltrimethylammo nium bromide-Silica membrane for seawater desalination through pervaporation

Bulletin of Materials Science, 38, 565, 2015

45.  

P. S. Singh*, G. L. Jadav, V. K. Aswal, A. K. Das, S. Kumar, A. M. Kansara, S. G. Chaudhri and H. Brahmbhatt

Comparison of initial reactant structure and cross- linked network of poly(dimethylsiloxa ne) membranes from different macromonomers

Journal of Applied Polymer Science, 7, 132, 2015

46.  

G.L. Jadav, V.K. Aswal, P.S. Singh*

Preparation of bifunctional poly(dimethylsiloxa ne) membrane by dual X-linking,

Journal of  Materials Chemistry A, 1, 4893 – 4903, 2013

47.  

P.S. Singh*, P. Ray , J.J. Trivedi , A. P. Rao , K. Parashuram, A.V.R. Reddy*

RO membrane treatment of domestic grey-water containing different detergent types

Desalination and  Water Treatment, 1, 1-8, 2013

48.  

P. S. Singh, T. Selvam, S. Reuss, A. Avhale, S. Lopez-Orozco, W. Schwieger

Nanocrystalline Zeolite Tetraethylammoniu m-Beta membrane for preferential sorption and transport of CO2 over N2

Chemical Engineering Technology, 36, 1-9, 2013

49.  

K. Parashuram, S.K. Maurya, H.H. Rana, P.S. Singh, P. Ray, A.V.R. Reddy

Tailoring the molecular weight cut off values of polyacrylonitrile based hollow fibre ultrafiltration membranes with improved fouling resistance by chemical modification

Journal of Membrane Science, 425- 426, 251- 261, 2013

50.  

P. S. Singh*, K.Parashuram, S.Maurya, P. Ray and A.V.R. Reddy

Structure- performance-fouling studies of polysulfone microfiltration hollow fiber membranes

Bulletin of Materials Science, 35, 817– 822, 2012

51.  

G.L. Jadav, V.K.Aswal, H. Bhatt, J.C. Chaudhari, P.S. Singh*

Influence of Film Thickness on the Structure and Properties of PDMS Membrane

Journal of Membrane Science, 415– 416, 624– 634, 2012

52.  

P.S. Singh*, P. Ray, Z. Xie, M. Hoang

Synchrotron SAXS to probe cross-linked network of polyamide ‘reverse osmosis’ and ‘nanofiltration’ membranes

Journal of Membrane Science, 421– 422, 51– 59, 2012

53.  

S.K. Maurya, K. Parashuram, P.S. Singh*, P.Ray, A.V.R. Reddy

Polysulfone- polyamide thin film composite hollow fiber nanofiltration membranes for treatment of aqueous dye effluents

Desalination, 304, 11- 19, 2012

54.  

V.K. Agrawal, P.S. Singh*

Alcohol induced change of ‘reverse osmosis’ polyamide membrane surface

Journal of Applied Polymer Science, 124, E29 0– E29 9., 2012,

55.  

Z. Xie, M. Hoang, T. Duong, Derrick Ng, P. S. Singh, P. Ray, A.V.R. Reddy, K. Parashuram and S. Maurya

Effect of membrane properties on performance of membrane distillation for ammonia removal

Journal of Material Science Res. 1, 37- 44, 2012

56.  

P. S. Singh*, P. Ray, P. Kallem, S. Maurya and G. S. Trivedi

Structure and performance of nanofiltration membrane prepared in a large-scale at CSIR-CSMCRI using indigenous coating unit

Desalination, 288, 8-15, 2012

57.  

R. Rangarajan, N. V. Desai, S. L. Daga, S.V.Joshi, A. P. Rao, V. J. Shah, J. J. Trivedi, C. V. Devmurari, K. Singh, P. S. Bapat, H. L. Raval, S. K. Jewrajka, N. K. Saha, A. Bhattacharya, P. S. Singh, P. Ray, G.S. Trivedi, N. Pathak, A. V. R. Reddy

Thin film composite reverse osmosis membrane development and scale up at CSMCRI, Bhavnagar

Desalination, 282, 68- 77, 2011

58.  

G. L. Jadav, V. K. Aswal, P. S. Singh*

Characterization of polydimethylsiloxan e pervaporation membranes using small-angle neutron scattering

Journal of Membrane Science, 378, 194, 2011

59.  

P. S. Singh*, A. P. Rao, P. Ray, A. Bhattacharya, K. Singh, N. K. Saha, A.V.R Reddy

Techniques for characterization of polyamide thin film composite membranes

Desalination, 282, 78- 86, 2011

60.  

P. S. Singh*, V. K. Aswal, J. Kohlbrecher

Influence of hydrophilic silica nanoparticles to the conformation of hydrophilic polymer chain in dilute solution system

Journal of Colloid and Interface Science, 353, 52, 2011

61.  

V.K. Sharma, S. Mitra, P. S. Singh, F. Jurányi, and R. Mukhopadhyay

Diffusion of water in nanoporous polyamide membranes: quasielastic neutrons scattering study

Eur. Phys. Journal Special Topics, 189, 217, 2010

62.  

G. L. Jadav, V.K. Aswal and P. S. Singh*

SANS study to probe nanoparticle dispersion in nanocomposite membranes of aromatic polyamide and functionalized silica nanoparticles

Journal of Colloid and Interface Science, 351, 304, 2010

63.  

P. Ray, P. S. Singh, K. Parashuram, J.J. Trivedi, C.V. Devmurari, N. N. Rao, S. Waghmare, A.V.R. Reddy

Preparation and surface modification of hollow fiber membranes for drinking water disinfection and water reclamation

Int. Journal Nucl. Desal., 4, 149, 2010

64.  

G. L. Jadav and P. S. Singh*

Synthesis of novel silica-polyamide nanocomposite membrane with enhanced properties

Journal of Membrane Science, 328, 257, 2009

65.  

V. K. Sharma, P. S. Singh, S. Gautam, P. Maheshwari, D. Dutta, R. Mukhopadhyay

Dynamics of water sorbed in reverse osmosis polyamide membrane

Journal of Membrane Science, 326, 667, 2009

66.  

V.K. Sharma, P.S. Singh, S. Gautam, S. Mitra, R. Mukhopadhyay

Diffusion of water in nanoporous NF polyamide membrane

Chem. Phys. Lett 478, 50, 2009

67.  

P. S. Singh* and V. K. Aswal

Characterization of physical structure of silica nanoparticles encapsulated in polymeric structure of polyamide films

Journal of Colloid and Interface Science, 326, 176, 2008

68.  

P. S. Singh

High surface area nanoporous amorphous silica prepared by dodecanol assisted silica formate sol– gel approach

Journal of Colloid and Interface Science, 325, 207, 2008

69.  

P. S.Singh* and V. K. Aswal

Probing polymer nanocomposite morphology by small angle neutron scattering

PRAMANA— journal of physics, 71, 947, 2008

70.  

A.V.R. Reddy, S.L. Daga, N. Pathak, A.P.Rao, P.Ray, P.S. Singh, J. J. Trivedi, C.V. Devmurari and G.S. Trivedi,

Membrane Technology: CSMCRI’s experience and case studies

Water Today 2008

71.  

A.V.R. Reddy, P. Ray, P.S. Singh, J.J. Trivedi, A.P.Rao, S.L. Daga and P.K. Ghosh

Membranes: Energy efficient tool in separation and purification

Chemical Industry Digest 2008

72.  

P. S. Singh* and V. K. Aswal

Compacted nanoscale blocks to build skin layers of reverse osmosis and nanofiltration membranes: a revelation from small-angle neutron scattering

Journal of Physical Chemistry C, 111, 1621 9, 2007

73.  

P. S. Singh

Complexity of silicate/aluminosilicate polymerization: some insights using a small-angle X-ray scattering study

Journal of Applied Crystallography, 40, s590 – s593, 2007

74.  

P. S. Singh*, S.V. Joshi*, J.J. Trivedi, C.V. Devmurari, A. Prakash Rao, P.K. Ghosh

Probing the structural variations of thin film composite RO membranes obtained by coating polyamide over polysulfone membranes of different pore dimensions

Journal of Membrane Science, 278, 19, 2006

75.  

P. S. Singh*, V.K. Aswal, P.K. Ghosh, S.V. Joshi, A. Prakash Rao and P.S. Goyal

Small Angle Neutron Scattering from nanoscale building blocks of polyamide ‘Reverse Osmosis’ membrane

Proceedings of the DAE Solid State Physics Symposium, Bhopal, India, 51, 177, 2006

76.  

A.V.R. Reddy*, J.J. Trivedi, C.V. Devmurari, D.J. Mohan, P. S. Singh, A P Rao, S.V. Joshi, P .K. Ghosh

Fouling resistant membranes in desalination and water recovery

Desalination, 183, 301, 2005

77.  

P. S. Singh*, Mark Trigg, Iko Burgar and Timothy Bastow

Geopolymer formation processes at room temperature studied by 29Si and 27Al MAS-NMR

Mater. Sci. and Eng. A, 396, 392, 2005

78.  

P. S. Singh*, Tim Bastow, Mark Trigg

Structural studies of Geopolymers by 29Si and 27Al MAS- NMR

Journal of Materials Science, 40, 3951, 2005

79.  

P. S. Singh*, Tim Bastow and Mark Trigg,

Outstanding problems posed by non-polymeric particulates in the synthesis of a well- structured geopolymeric material

Cement and Concrete Research, 34, 1943, 2004

80.  

K. Kosuge* and P. S. Singh

Rapid Synthesis of Al-Containing Mesoporous Silica Hard Spheres of 30−50 μm Diameter

Chemistry of Materials, 13, 2476, 2001

81.  

K. Kosuge and P. S. Singh*

Mesoporous silica spheres via 1- alkylamine templating route

Microporous and Mesoporous materials, 44, 139, 2001

82.  

K. Kosuge* and P. S. Singh

Mixed oxides pillared silicates from H-ilerite by intercalation

Chemistry of Materials, 12(2), 421, 2000

83.  

P. S. Singh, Trevor L. Dowling, Jonathan N. Watson and John W. White

Light and x-ray scattering from the early growth stages of Zeolite A,

Physical Chemistry Chemical Physics, 1(17), 4125, 1999

84.  

P. S. Singh and John W. White

Nucleation and growth of Zeolite A under reagent controlled conditions

Physical Chemistry Chemical Physics, 1(17),, 4131, 1999

85.  

P. S. Singh, P.N. Joshi, S.P. Mirajkar, B.S. Rao and V.P. Shiralkar

NH3 sorption isotherms in ALPO- 11 and its Si, Co and Mn analogues

Journal of Physical Chemistry, 103(25) , 5338, 1999

86.  

K. Kosuge* and P. S. Singh

Titanium containing porous silica prepared by a modified Sol-Gel method

Journal of Physical Chemistry, 103(18), 3563, 1999

87.  

P. S. Singh*, K. Kosuge, V. Ramaswamy and B.S. Rao

Characterisation of MeAPO-11s synthesized conventionally and in the presence of fluoride ions and their catalytic properties in the oxidation of ethylbenzene

Applied Catalysis, 177, 149, 1999

88.  

P. S. Singh and K. Kosuge

Synthesis of Ti- containing porous silica with high photocatalytic activity

Chemistry of Letters, 1, 9, 1999

89.  

P. S. Singh and K. Kosuge

The synthesis of mesoporous silica spheres by ocytlamine templating

Chemistry of Letters, 1, 101, 1998

90.  

P. S. Singh and K. Kosuge

Flaky, ultrathin mesoporous silica laminas

Chemistry of Letters, 1, 63, 1998

91.  

P. S. Singh, R.A.Shaikh, R.Bandyopadya y and B.S.Rao*,

Alkylation of meta- DIPB with isopropanol as a test reaction for large pore Zeolites

Studies in Surface Science and Catalysis, 113, 473, 1998

92.  

R.A.Shaikh, P. S. Singh, R.Bandyopadhy ay C.V. Kavedia, S.P. Mirajkar and B.S.Rao

Aniline methylation over molecular sieves

Studies in Surface Science and Catalysis, 113, 637, 1998

93.  

R. Bandyopadhyay, P. S. Singh and B.S. Rao

Formation of N- methylaniline by translalkylation with N,N-dimthyl aniline over zeolite Beta

Applied Catalysis, 155, 27, 1997

94.  

R. Bandyopadhyay, P. S. Singh and B.S.Rao

Transalkylation of diisopropylbenzene with toluene over REY zeolite

Reaction Kinetics and Catalysis Letters, 60(1), 171, 1997

95.  

P. S. Singh, R. Bandyopadhyay and B.S. Rao

Characterisation of SAPO-11 synthesized conventionally and in the presence of fluoride ions

Journal of Chemical Society (Faraday Transactions) 92(11), 2017, 1996

96.  

P. S. Singh, R. Bandyopadyay, S.G. Hegde and B.S. Rao

Vapor phase Beckmann Rearrangement over SAPO-11 molecular sieve

Applied Catalysis, 136(2), 249, 1996

97.  

P. S. Singh, R. Bandyopadhyay and B.S. Rao

Alkylation of aniline with methanol over AEL type molecular sieves

Applied Catalysis, 136(2),177, 1996

98.  

R. Bandyopadhyay , P. S. Singh and R.A. Shaikh

Translalkylation of cumene with toluene over zeolite Beta

Applied Catalysis, 135(2), 249, 1996

99.  

P. S. Singh, R.A. Shaikh, R. Bandyopadhyay and B.S. Rao

Synthesis of CoVPI- 5 with bifunctional catalytic activity

Journal of Chemical Society (Chemical Communications) 249, 1996

100.     

P. S. Singh, R. Bandyopadhyay and B.S. Rao

Spectroscopic studies of vanadium incorporated SAPO- 11 molecular sieve

Journal of Molecular Catalysis, 104, 103, 1995,

101.     

P. S. Singh, R. Bandyopadhyay, R.A. Shaikh and B.S. Rao

Selective acidic, oxidative and reductive reactions over ALPO-11 and Si or Metal substituted ALPO-11

Studies in Surface Science and Catalysis, 97, 343, 1995


  1. Katsunori Kosuge and S. Singh, Porous Titanosilicate and its production, Japanese Patent JP3174829B2 granted on 11.06.2001

  2. Katsunori Kosuge and S. Singh, Titanium - containing porous silica and process of preparing same, United States Patent US5958369A granted on 28.09.1999

  3. Katsunori Kosuge and S. Singh, Silica mesoporous body and its production, 11278825A, 1999, Japanese Patent

  4. Katsunori Kosuge and S. Singh, Silica mesoporous body and process for preparing same, United States Patent US6174512B1 granted on 16.01.2001

  5. K. Ghosh, A.V .R. Reddy, S.L.Daga, A. Patel, P.Ray, P.S. Singh, K. Parshuram, A.P. Rao, J.J. Trivedi, P. Patel, R.B. Mandavia and C.V. Devmurari, Membrane based portable water purifier with squeezable hand operated rubber bulb for pressure generation, Indian Patent IN380722 granted on 05.11.2021

  6. V .R. Reddy, P. Ray, P.S. Singh, K. Parshuram, S. Maurya, J.J. Trivedi, High-Flux hollow fiber ultrafiltration membranes and process for the preparation thereof, Japanese Patent, US9364797 granted on 14.06.2016

  7. V .R. Reddy, P. Ray, P.S. Singh, K. Parshuram, S. Maurya, J.J. Trivedi, High-Flux hollow fiber ultrafiltration membranes and process for the preparation thereof, Japanese Patent, JP5933557 granted on 13.05.2016

  8. V .R. Reddy, P. Ray, P.S. Singh, K. Parshuram, S. Maurya, J.J. Trivedi, High-Flux hollow fiber ultrafiltration membranes and process for the preparation thereof, Bulgarian Patent, BG2616168 granted on 27.05.2020

  9. V .R. Reddy, P. Ray, P.S. Singh, K. Parshuram, S. Maurya, J.J. Trivedi, High-Flux hollow fiber ultrafiltration membranes and process for the preparation thereof, Hungarian Patent, HU2616168 granted on 27.05.2020

  10. S. Singh and S.G. Chaudhri, Composite hollow fiber membrane for water-ethanol separation and process for preparation thereof, Indian patent IN341161 granted on 10.07.2020

  11. S. Singh, P. Prajapati and A.M. Kansara, Modified polysulfone hollow fiber membrane of enhanced organic selectivity & its preparation thereof, Indian Patent IN351223 granted on 10.11.2020

  12. Ray, P.S. Singh and P. Veerababu , An improved process for preparation of ultrathin-film- composite nanofiltration membrane for water softening, desalination and purification, Indian Patent IN427716 granted on 31.03.2023

  13. S. Singh, P. Ray, R. Subramanian, A Chakkaravarthi, Gopika S Kumar, “A process for the preparation of solvent-resistant-nanofiltration composite membranes and use thereof”, Indian patent Appl. No. 202011034405 dated 11.8.2020. 

  14. S. Singh, P. Ray, H. Sumbhaniya, S. Katke, Anti-fouling zeolite-polymer composite hollow fiber membrane and process for preparation thereof, Indian patent Appl. No. 202111045227 dated 28.09.2021.  

  15. Sharma, M. Mondal, P. S. Singh, A. R. Gupta, N. H. Nandha, P. Kumar, and V. C. Joshi, “Metallo-interpenetrating polymer network hollow fibre membrane for mitigation of arsenic and fluoride from water and its preparation thereof” Indian Patent Appl. 202311041397 filed on 14.06.2023

  16. S. Singh, N.H. Nandha, S. Neogi, G. Sethia, CO2 selective organic-inorganic hybrid hollow fiber membrane and its method of preparation thereof Indian Patent Application 202311069 filed on 12.10.2023


  1. Biological treatment of Industrial Waste Water: Membrane Bioreactor: An advanced Technology to treat Industrial Waste water; P. Ray, V Polisetti, P.S. Singh, Royal Society of Chemistry London; Ed. M.P. Shah, 2021

  2. Removal of Toxic Pollutants Through Microbiological and Tertiary Treatment Chapter 2: Synthetic polymeric membranes for the removal of toxic pollutants and other harmful contaminants from water; P. Ray, P.S. Singh, V. Polisetti Elsevier; Ed. M.P. Shah, 2020

  3. Synthetic Polymeric Membranes for Advanced Water Treatment, Gas Separation, and Energy Sustainability Chapter 2: Synthetic Polymer-based Membrane for Desalination, P.S. Singh, P. Ray and A.F. Ismail, Elsevier; Eds. N. Yusof, W.N.W. Salleh, A.F. Ismail, 2020

  4. Membrane Characterisation: Chapter 6: Small-angle scattering techniques (SAXS / SANS) P.S. Singh Elsevier; Eds. N. Hilal, A.F. Ismail, T. Matsuura, D. Oatley- Redcliffe, 2017

  5. Simple and cost- effective RO desalination technology based on CSMCRI’s indigenous thin film composite membrane, in sustainable management of water resources; V. J. Shah, S. V. Joshi, A. V. R. Reddy, J. J. Trivedi, C. V. Devmurari, A. Prakash Rao, N. Pathak, P. S. Singh, S. L. Daga, S. T. Rajan and P. K. Ghosh,  Eds. M.G.K. Menon, V.P. Sharma, XII General Assembly of SCOPE, New Delhi Indian National Science Academy Publication; 2005

  6. Aluminum gradient and catalytic properties of ZSM-5 zeolites;  R. A. Shaikh, R. Bandyopadhyay, P. S. Singh and B.S. Rao; Eds. N.M. Gupta and D.K. Chakrabarty; Catalysis: Modern Trends, 1994

  7. Coke induced shape selective reactions over Silynated ZSM-5 zeolites; R.A. Shaikh, R. Bandyopadhyay, P. S. Singh and B.S. Rao; Eds. P. Kanta Rao and R.S. Beniwal, Catalysis: Present and Past,1993


We have been investigating on the preparation, characterization and performance testing of various types of membranes to understand structure-property-performance correlation.

  1. Water desalination and purification: Affordable desalination technology | Scalable innovative membranes | Sustainable approaches | Wastewater management and resource recovery
  2. Membranes for separations other than water: Non-aqueous and industrial | Distilleries Biofuel and Waste | Biogas Biomass and CO2