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Bandaru Ramarao

Bandaru V. Ramarao

Professor and Director, Empire State Paper Research Institute

310 Walters Hall
1 Forestry Dr.
Syracuse, New York 13210

Phone: (315) 470-6513/470-6502

Email: bvramara@esf.edu

Research Interests

  • Fluid Particle Separations- Aerosol Filtration, Hydrosol Filtration,
  • Consolidation and dewatering of pulp Suspensions with applications in papermaking, Colloidal and Surface Phenomena.
  • Transport and thermodynamics of moisture in paper and other cellulosic materials.
  • De-inking of recycled pulps using flotation processes.
  • Digital Image Processing, Image Analysis, Digital Signal Processing.

Courses

  • BPE420 Bioseparations
  • BPE310 Colloidal and Interfacial Science in Bioprocess Systems
  • PSE467 Papermaking Wetend Chemistry
  • PSE371 Fluid Mechanics
  • PSE477 Process Control

Current Graduate Advisees

Current Graduate Advisees

Narayana Raju JampanaNarayana Raju Jampana
nvjampan@syr.edu

  • Degree Sought: PHD
  • Graduate Advisor(s): Ramarao
  • Area of Study: Bioprocess Engineering

Rengasamy KasinathanRengasamy Kasinathan
rkasinth@syr.edu

  • Degree Sought: PHD
  • Graduate Advisor(s): Ramarao
  • Area of Study: Bioprocess Engineering

Mary Jennifer PuthotaMary Jennifer Puthota
mputhota@syr.edu

  • Degree Sought: PHD
  • Graduate Advisor(s): Ramarao
  • Area of Study: Bioprocess Engineering

Christopher ThomasChristopher Thomas
cmthom01@syr.edu

  • Degree Sought: MS
  • Graduate Advisor(s): Ramarao
  • Area of Study: Bioprocess Engineering

Experience

  • Professor, SUNY College of Environmental Science & Forestry, 1997- current.
  • Associate Director, Empire State Paper Research Institute, 2003-current.
  • Acting Chair, Department of Paper and Bioprocess Engineering, SUNY College of Environmental Science & Forestry, 1999-2000.Associate Professor, SUNY College of Environmental Science & Forestry. 1992 -1997.
  • Associate Professor, SUNY College of Environmental Science & Forestry, 1992-1997.
  • Senior Fellow, Department of Chemical Engineering, National University of Singapore, Singapore (1995-1996).
  • Adjunct Professor, Department of Chemical Engineering, Syracuse University. 1988 -.
  • Assistant Professor, SUNY College of Environmental Science & Forestry, 1988-1992.
  • Research Associate, Department of Chemical Engineering, Syracuse University. 1986-1988.

Education

  • Ph. D. Chemical Engineering. Clarkson University, Potsdam NY 1986.
  • M. S. Chemical Engineering. Clarkson University, Potsdam NY 1982.
  • B. S. Chemical Engineering. University of Madras, India. 1980.

Memberships, Activities, Honors & Awards

Editor, Separation and Purification Technology, International Journal, Elsevier, Netherlands.

HONORS & AWARDS

* American Institute of Chemical Engineers: Andrew Chase Award 2014 for Contributions to Research and Advancement of Forest and Plant Bioproducts

* Indian Institute of Chemical Engineers: Alkyl Amines Professor B. D. Tilak ChemCon Distinguished Speaker Award 2012

* NASA - Space Alliance Technology Opportunity Program (SATOP).  SATOP Award: Best partner in SATOP Alliances awarded to SUNY ESF, 2003.

* University of Madras, India. Dr. M. A. Govinda Rau Gold Medal and Alagappa Chettiar Memorial Prize Award for student graduating at the top of the B. Tech. Class with best academic record. (Out of approximately 150 students). (1975-1980).

MEMBERSHIPS, ACTIVITIES

Immediate Past Chair: AIChE Forest and Plant Bio-Products Division, Group 17.

Chair of sessions in Separations and Transport & USA China Joint Sessions. AIChE Annual Meetings, 2013-2015.

Symposium Co-Chair: China-USA Joint Symposium on Forest Biorefinery Processes. ICBT 2012

Nanjing, China. October 2012.

American Institute of Chemical Engineers: AIChE,

Chair, Forest & Plant BioProducts Division, Group 17.

Programming Chair, Forest Products Division, Group 17. 2005-Current.

2011: AIChE Annual Meeting & 1st International Congress on Sustainability. Programming Chair and Plenary Session Chair. November 6-11, Minneapolis MN, 2011.

2011: Session Chair: Nanotechnology in the Forest Products Industries. Arlington VA, 2011.

2010: AIChE Annual Meeting & 1st International Congress on Energy: Sustaining Supplies.

Key Session Chair: 'Separation and Transport Processes in Lignocellulosic Treatment Processes." Salt Lake City.

2009: "Separations Processes in Biorefineries." Nashville TN.

Session Co-Chair. ‘Nanotechnology in the Forest Products Industry.’ Annual Meeting,           Cincinnati OH 2005.

Session Chair. ‘Fluid Mechanics and Rheology in the Forest Products Industry.’ AIChE Annual Meeting, Reno, NV (2001).

Session Chair. 'Transport Processes in the Forest Products Industry.' AIChE Annual Meeting, Dallas TX             (1999).

Session Chair. ‘Transport Processes in the Forest Products Industry.’ AIChE Annual Meeting, Miami             Beach, FL (1998).

Program Chair. Symposium on Moisture Interactions with Paper Materials. Empire State Paper Research

            Institute, Syracuse, NY. 1998.

Member, Tappi – Since 1988. (Technical Association of the Pulp and Paper Industry, USA).

Member, American Institute of Chemical Engineers – Since 1986; Forest Products Division.

9th World Filtration Congress. American Filtration & Separation Society. New Orleans, LA:

            Session Chair:: Paper Making and Rheology of Suspensions. 2004.

 

INTERNATIONAL PAPER PHYSICS & TAPPI.

Served as Chair of TAPPI's FLUID MECHANICS DIVISION (2010-2013).

Session Chair and Organizing Committee:

  • 2011: International Paper Physics: Seminar.
  • 2010: Tissue and Towel Drying. Progress in Paper Physics Seminar. McGill University, Montreal.
  • 2009: Papermaking Research Symposium, University of Kuopio, Kuopio Finland.
  • 2008: Wet End Forming. International Paper Physics Conference, Gold Coast, Australia.
  • 2006: Image Analysis and Paper Structure. Progress in Paper Physics Seminar, Miami University, Oxford OH.
  • 2004: Paper variation. Progress in Paper Physics Seminar, Technical University,Trondheim, Norway,
  • 2003: International Paper Physics Conference, Victoria BC, Canada 2003.
  • 2002: Progress in Paper Physics Seminar, Syracuse, NY 2002 (Meeting Program Chair).

American Institute of Chemical Engineers: AIChE

  • Director For Forest Products Division, Group 17.
  • Programming Chair, Forest Products Division, Group 17. 2005-Current.
  • 2010: AIChE Annual Meeting & 1st International Congress on Energy: Sustaining Supplies.
  • Key Session Chair: 'Separation and Transport Processes in Lignocellulosic Treatment Processes." Salt Lake City, UT.
  • 2009: "Separations Processes in Biorefineries." Nashville TN.
  • Session Co-Chair. ‘Nanotechnology in the Forest Products Industry.’ Annual Meeting, Cincinnati OH 2005.
  • Session Chair. ‘Fluid Mechanics and Rheology in the Forest Products Industry.’ AIChE Annual Meeting, Reno, NV (2001).
  • Session Chair. 'Transport Processes in the Forest Products Industry.' AIChE Annual Meeting, Dallas TX (1999).
  • Session Chair. ‘Transport Processes in the Forest Products Industry.’ AIChE Annual Meeting, Miami Beach, FL (1998).
  • Program Chair. Symposium on Moisture Interactions with Paper Materials. Empire State Paper Research Institute, Syracuse, N.Y. 1998.
  • Member, Tappi – Since 1988. (Technical Association of the Pulp and Paper Industry, USA).
  • Member, American Institute of Chemical Engineers – Since 1986; Forest Products Division.

9th World Filtration Congress. American Filtration & Separation Society. New Orleans, LA:

  • Session Chair: Paper Making and Rheology of Suspensions. 2004.

TECHNICAL ASSOCIATION OF PULP AND PAPER INDUSTRY,

  • Member since 1989; Fluid Mechanics Division

 

Patents & Inventions

  1. Ramarao, B. V., U. S. Patent, 5,954,922. (1999). ‘A method to determine pulp specific surface area, specific volume and compressibility characteristics on-line.’  . Successfully commercialized with many units operating at industrial locations. This has spawned further modified instruments, which are in successful operation at pulp and paper industry and research center locations in North America, Europe, China and South America.
  2. Amidon, T. E. , Francis, R., Scott, G. M., Bartholomew, J.,  Ramarao, B. V. , Wood, C. D. U. S. Patent No. 8,317,975. (2012). 'Product and Processes from an integrated forest biorefinery.' T. E. Amidon, R. Francis, G. M. Scott, J. Bartholomew, B. V. Ramarao, C. D. Wood   
  3. Amidon, T. E. , Francis, R., Scott, G. M., Bartholomew, J.,  Ramarao, B. V. , Wood, C. D. U. S. Patent No. 8,668,806. (2014). 'Product and Processes from an integrated forest biorefinery.'   
  4. Amidon, T. E. , Francis, R., Scott, G. M., Bartholomew, J.,  Ramarao, B. V. , Wood, C. D. U. S. Patent No. 8,940,133. (2015). 'Product and Processes from an integrated forest biorefinery'.  
  5. Yasarla, L. R., Ramarao, B. V., Amidon, T. E. ‘Flocculation of Lignocellulosic Hydrolyzates.’ US Patent Application No. 20150044733. Filed by RF SUNY – 3/20/2012.
  6. Amidon, T. E. , Francis, R., Scott, G. M., Bartholomew, J.,  Ramarao, B. V. , Wood, C. D. ‘Product and processes from an integrated forest biorefinery.’ US Patent Application No. 20150136344, May 21, 2015.
  7. Min, B. C., Bhayani, B. V., Ramarao B. V. ‘Enzymatic Hydrolysis of Old Corrugated Cardboard (OCC) Fines from Recycled Linerboard Mill Waste Rejects.’ US Patent Application No. 20150259719. Sept., 17, 2015.
  8. Min, B. C., Bhayani, B. V., Ramarao B. V. ‘Hydrolysis of Cellulosic Fines in Primary Clarified Sludge of  Paper Mills and the Addition of a surfactant to increase the yield. ' US Patent Application No. 20140273107. Sept., 18, 2014.
  9. Ramarao, B. V., Puthota, M., Gnanavel V. P/5739-241 (SUNY-ESF- 1964.1) ‘Controlled Flocculation of Lignocellulosic Hydrolyzates.’ US Patent Application, September 15, 2014.

PUBLICATIONS

BOOKS

Granular Filtration of Aerosols and Hydrosols. 2nd Edition, 2007. C. Tien, B. V. Ramarao. Elsevier Publishing Co., New York NY.

 

Separation Processes in Biorefineries. 2012. John Wiley & Sons, New York NY. Editors - S. Ramaswamy, S. Huang, B. V. Ramarao.

JOURNAL PAPERS

81.        B. C. Min, B. V. Bhayani, V. S. Jampana, B. V. Ramarao. 'Enhancement of the enzymatic hydrolysis of fines from recycled paper mill waste rejects.' Biores. Bioprocess., 2, 4, 1-12 (2015).

80.        S. Lavrykov, S. K. Singh, B. V. Ramarao, S. Ramaswamy, H. Pande. 'Analysis of the permeability tensor and the correlation length of heterogeneities in paper using X Ray microtomography.' Drying Technology, 7, 3, (2015).  

79.        S. Lavrykov, B. V. Ramarao. 'Characterization of refined papermaking pulps using hydrodynamic parameters from filtration analysis.' Tappi J., 14, 5, 305-309 (2015).

78.        M. M. Khachan, S. K. Bhatia, R. A. Bader, D. Cetin, B. V. Ramarao. ‘Cationic starch flocculants as an alternative to synthetic polymers in geotextile tube dewatering.’ Geosynthetics International, 21, 2, 119-136.

77.        C. Tien, B. V. Ramarao, L. R. Yasarla. ‘A blocking model for membrane filtration.’ Chem. Engng. Sci., (2014), 111, 421–431.

76.        G. V. Duarte, R. J. Moreira, B. V. Ramarao, P. T. Ferreira. ‘Use of Hardwoods in an Integrated Biorefinery: Modeling of Pretreatment Process and Papermaking Potential.’ J. Biomaterials and Bioenergy 8, 6, 594-602 (2014).

75.        C. Tien, B. V. Ramarao.’Further examination of the relationships between Langmuir kinetics and Lagergren and the second order rate models for adsorption.' Sep. Pur. Technol., 136, 303-308  (2014).

74.        M. M. Khachan, S. K. Bhatia, R. A. Bader, D. Cetin, B. V. Ramarao. 'Cationic starch flocculants as an alternative to synthetic polymers in geotextile tube dewatering.' Geosynthetics Intl., 21, 2, 119-136 (2014).

73.        J. Jiang, B. V. Ramarao. A Special Issue on Biomass Conversion: Thermochemical and Enzymatic Approaches, J. Bioprocess Eng. Biorefinery 1 (2), 127-128 (2012).

72.        L. R. Yasarla, B. V. Ramarao. "Statistical Analysis of the Performance of Polymeric Flocculants for Lignocellulosic Hydrolyzates." Journal of Bioprocess Engineering and Biorefinery (2012), 1, 2, 237-241.

71.        C. Tien, B. V. Ramarao. “On analysis and modeling of cross-flow membrane filtration of particle suspensions”. Current Opinion in Chemical Engineering, (2013), 2, 2, 245-254.

70.        Arthur, B. A., R. P. Smith, S. Lavrykov, and B. V. Ramarao. "Imaging of Ink Jet Penetration in Uncoated Paper Using Microscopic Techniques." China Printing and Packing Study 4, no. 5 (2012): 64-67.

69.        C. Tien, B. V. Ramarao. ‘Can the Kozeny-Carman Equation be used for estimating the porosity of filter cakes?’ Powder Technol., 237, 233-240 (2013).

68.        N. S. Marrain, B. V. Ramarao. ‘Drainage of papermaking pulp suspensions.’ Ind. Eng. Chem. Res., (2013), 52 (10), 3868-3876.

67.        L. R. Yasarla, B. V. Ramarao. ‘Lignin removal from lignocellulosic hydrolyzates by flocculation with Polyethylene Oxide.’  J. Biobased Matls. Bioenergy, (2013), 7 (6), 684-689.

66.        S. Grieco, B. V. Ramarao. ‘Removal of Tris-chloroethylene phosphate from aqueous solutions by adsorption with zeolites.’ Coll. Surf. A, Physico-Chem Engng Aspects, (2013), 434, 329-338.

65.        S. Lavrykov, B. V. Ramarao, R. Solimeno, K. M. Singh. ‘Energy and thermal transients in fusing in high speed copiers.’  J. Imaging Sci. Technol., 57, 6, 1-12 (2013).

64.        S. Lavrykov, S. B. Lindstrom, K. M. Singh, B. V. Ramarao. ‘3D network simulations of paper structure.’ Nordic Pulp Pap. Res. J., 2, 184-196 (2012).

63.        G. V. Duarte, J. A. Gamelas, P. T. Ferreira, B. V. Ramarao, T. E. Amidon. ‘Properties of extracted Eucalyptus globulus kraft pulps.’  Tappi J., 11, 4, 47-58, (2012).

62.        L. R. Yasarla, B. V. Ramarao. ‘Dynamics of flocculation of lignocellulosic hydrolyzates by polymers.’ Ind. Eng. Chem. Res., 51, 19, 6847-6861, (2012).

61.        D. D. Choi, S. Lavrykov, B. V. Ramarao. ‘Delamination during the folding and creasing of paperboard.’ Tappi J., 11, 1, 20-26 (2012).

60.        S. Lavrykov, B. V. Ramarao. ‘Thermal properties of copy paper.’ Drying Technol., 1-15, (2011).

59.        B. Arthur, R. Smith, S. Lavrykov, B. V. Ramarao. ‘Imaging of ink jet penetration in uncoated paper using microscopic techniques.’ Tappi J., 10, 11, 35-40 (2011).

58.        C. Tien, B. V. Ramarao. ‘Revisiting the laws of filtration for membrane cross-flow filtration.’ J. Memb. Sci., 383, 17-25 (2011).

57.        G. V. Duarte, B. V. Ramarao, T. E. Amidon, P. T. Ferreira.   ‘Effect of Hot Water Extraction on Hardwood Kraft Pulp fibers (Acer saccharum, Sugar Maple)’.  Ind. Eng. Chem. Res., 50(17), 9949-9959 (2011).

56.        A. Hasan, L. R. Yasarla, B. V. Ramarao, T. E. Amidon. ‘Separation of Lignocellulosic Hydrolyzate Components Using Ceramic Microfilters’. J. Wood Chem. Tech. (2011), 31(4), 357-383.

55.        G. V. Duarte, B. V. Ramarao, T. E. Amidon. "Colloidal stability and flocculation of lignocellulosic hydrolyzates." Bioresource Technol., 101, 8526-8534 (2010).

54.        R. Singh, S. Lavrykov and B. V. Ramarao. ‘Saturated permeability of pulp fiber mats with filler particles.’ Coll. Surf., A, 333, 1-2, 96-107 (2009).

53.        C. Tien, B. V. Ramarao, ‘On the analysis of dead-end filtration of microbial cells.’ J. Memb. Sci., 112, (2008).

52.        H. J. Huang, S. Ramaswamy, B. V. Ramarao, U. Tschirner. ‘A review of separation technologies in current and future biorefineries.’ Sep. Pur. Tech., 62, 1 – 21 (2008).

50.        S. Liu, T. E. Amidon, R. C. Francis, B. V. Ramarao, Y. Z. Lai and G. M. Scott. From forest biomass to chemicals and energy. Industrial Biotechnology 2: 113-120 (2006).

51.        N. Sameer, M. Markwei, B. V. Ramarao, R. C. Francis. ‘Recovery of Molybdate from Dilute Aqueous Solutions by Complexation with Cationic Surfactants and Extraction with Isobutanol.’ Ind. Eng. Chem. Res., 47, 428-433 (2008).

49.        C. Tien and B. V. Ramarao. ‘Cake Filtration Approaches – A criticism.’ AIChE Journal, 52, 5, 1971 (2006).

48.        C. Tien, B. V. Ramarao. ‘On Analysis of cake formation and growth in cake filtration.’  J. Chin. Inst. Chem. Eng., 37, 1, 81-94 (2006).

47.        A. Massoquete, S. Lavrykov, B. V. Ramarao, A. Goel, S. Ramaswamy. ‘The effect of pulp refining on lateral and transverse moisture diffusion in paper.’ Tappi J., 4, 12, 3-8 (2005).

46.        B. V. Ramarao, C. Tien. ‘Analysis of fine particle migration and retention in cake filtration.’ Ind. Eng. Chem. Research., 44, 1200-1210, (2005).

45.        A. Massoquete, S. Lavrykov and B. V. Ramarao. ‘Non-Fickian nature of moisture diffusion in paper.’ J. Pulp & Paper Sci., 31, 3, 121-127, (2005).

44.        S. Lavrykov and B. V. Ramarao. ‘Axi-symmetric pore-fiber model for transport processes in paper.’ Nordic Pulp and Paper Res. J., 19, 3, (2004).

43.        S. Lavrykov and B. V. Ramarao. ‘Transient hygroexpansion of paper: Experimental Results and Mathematical Model’, Nordic Pulp and Paper Res. J., 19, 2, 183-90 (2004).

42.        S. Ramaswamy, M. Gupta, A. Goel, U. Aaltosalmi, M. Kataja, A. Koponen and B. V. Ramarao. ‘The 3 D structure of fabric and its relationship to liquid and vapor transport.’   Coll. Surf., A: Phys. Chem. Eng. Asp., 241, 323-333, (2004).

41.        B. V. Ramarao, A. Massoquete, S. Lavrykov and S. Ramaswamy. ‘Moisture transport in paper materials in the hygroscopic range and characteristics of diffusion parameters.’ A review. DRT - Drying Technology, 21, 10, 2007-2056, (2003).

40.        C. Tien, B. V.  Ramarao.  ‘Validation of a new filtration technique for dewaterability characterization. Comments.’  AIChE Journal ,  48(10),  2417-2418 (2002). 

39.        R. C. Francis, S. Chaiarrekij and B. V. Ramarao. ‘Pulp bleaching by the addition of peroxide to the D2 stage and recovery of molybdates by selective ion flotation techniques.’ J. Wood Chem. Tech., 23, 2, 113-129 (2003).

38.        J. Liesen, B. Hojjatie, D. Coffin, S. Lavrykov, B. V. Ramarao and H. Beckham. ‘Through- plane diffusion of moisture in paper detected by MR Imaging Techniques.’  Ind. Engng. Chem. Res., 41, 25, 6555-6565 (2002).

37.        S. K. Mohan and B. V. Ramarao. ‘A comprehensive study of self-induced torque amplification in rotary viscous couplings.’  J. Tribology, 125, 110-120(2003).

36.        S. Das and B. V. Ramarao. “Inversion of lime mud and papermaking pulp filtration data to determine compressibility and permeability relationships.” Sep. Pur. Technol. 28, 149-160 (2002).

35.        S. Huang, A. Goel, S. Ramaswamy, B. V. Ramarao and D. Choi. “Transverse and in-plane characterization of the pore structure of paper.” APPITA Journal, 55, 3, 230-234 (2002).

34.        A. Bandyopadhyay, B. V. Ramarao and S. Ramaswamy. “Transient moisture diffusion through paperboard materials.” Colloids and Surfaces A, Phys. Chem. Engng Aspects,  206, 455-467 (2002).

33.        A. Bandyopadhyay, B. V. Ramarao and E. Shih. “Transient temperature, moisture and pressure fields in a paper sheet exposed to a traveling thermal pulse.” J. Imaging Sci. Tech. 45, 6, 1-14, (2001).

33.        A. Goel, M. Tzanakakis, S. Huang, S. Ramaswamy, D. Choi and B. V. Ramarao. “Characterization of the Three-Dimensional Structure of Paper using X-Ray Microtomography.” Tappi J., 84, 5, 72-80 (2001).          

32.        A. Goel, M. Tzanakakis, S. Huang, S. Ramaswami, W. Hu, D. Choi and B. V. Ramarao. “Confocal Laser Scanning Microscopy to Visualize and Characterize the Structure of Paper.” Fundamentals and Numerical Modeling of Unit Operations in the Forest Products Industries, AIChE Symp. Ser., 324, 96, 75-80 (2000).

31.        S. Chaiarrekij, H. Dhingra and B. V. Ramarao. “Deinking of Recycled Pulps by Column Flotation: Energy and Environmental Benefits.” Resources, Conservation & Recycling, 28, 219-226 (2000).

30.        H. Radhakrishnan, S. G. Chatterjee and B. V. Ramarao. “Steady State Diffusion of Moisture in Paper Board.”  J. Pulp Paper Sci., 26, 4, 140-144 (2000).

29.        A. Bandyopadhyay, H. Radhakrishnan, B. V. Ramarao and S. G. Chatterjee. “Moisture Sorption Response of Paper Subjected to Ramp Humidity Changes: Modeling and Experiments.” Ind. Eng. Chemistry, Research, 39, 219-226 (2000).

28.        R. Vengimalla, G. G. Chase and B. V. Ramarao. “Modeling of filler retention in compressible fibrous media.” Separation and Purification Technology, 15, 2, 153-161 (1999).          

27.        S. G. Chatterjee, B. V. Ramarao and C. Tien. ‘Water vapor sorption characteristics of a bleached kraft paperboard: A study of the hysteresis region.’  J. Pulp and Pap. Sci.23, 8, 366-374 (1997).

26.        C. Tien, R. Bai and B. V. Ramarao ‘Analysis of cake growth in cake filtration. The case of fine particle retention.’ AIChE J., 43, 1, 33-44 (1997).

25.        R. Vengimalla, G. G. Chase and B. V. Ramarao. ‘Filler particle retention in  paper fiber beds.'  Separation and Purification Tech., 11 (1), 17-26  (1997).

24.        H. L. Wei, P. Kumar, B. V. Ramarao and C. Tien. ‘Drainage and Fine particle retention in forming incompressible fibrous mat.’ J. Pulp and Pap. Sci., 22, 11, J1-6         (1996).

23.        B. V. Ramarao and P. Kumar. ‘A model for the gravity drainage of pulp suspensions.’ Nordic Pulp and Paper Res. J. 11, 2, 86-94 (1996).

22.        P. Kumar, H. L. Wei, B. V. Ramarao and M. Doshi. ‘Application of gravity   drainage models to the freeness measurement of pulp suspensions.’ Chem. Eng. Comm., 152, 287-306 (1996).

21.        S. N. Chakravarti, L. R. Schroeder, J. E. Unbehend and B. V. Ramarao. ‘Changes in Thermomechanical pulp on recycling.’ Progr. Paper Recycl., 1, 62-75, (1995).

20.        B. V. Ramarao and H. Makkonen. ‘Upgrading recycled fiber stocks in the pulp and paper industry.’ Waste Management Research Report, 6, 1, 3-6 (1994).

19.        B. V. Ramarao and C. Tien. ‘Fine particle retention in forming fibrous media.’ AIChE Symp. Ser., 90, 302, 190-204 (1994).

18.        B. V. Ramarao and C. Tien. 'Concentration profiles in aerosol flows.' International J. Multiphase Flow. 20, 3, 569-578 (1994).

17.        B. V. Ramarao, C. Tien and S. Mohan. 'Calculations of single fiber efficiencies for interception and impaction with superposed Brownian motion.' J. Aerosol Science. 25, 2, 295-313 (1994).

16.        B. V. Ramarao and C. Tien. ‘Inertial enrichment of concentration in aerosol flows.' J. Colloid and Interface Science, 160, 487-490 (1993).

15.        S. G. Kulkarni, B. V. Ramarao, J. M. Hassett and C. Tien. 'Dynamic modeling of the sedimentation of concentrated bidispersed suspensions.' Sep. Tech., 3, 1-13 (1993).

14.        B. V. Ramarao and C. Tien. 'Fine particle retention in forming fibrous cakes.' Advances in Filtration and Separation Technology, American Filtration Society, Volume 7, 13-24 (1992).

13.        P. Kumar and B. V. Ramarao. 'Enhanced sedimentation of fibrous suspensions with buoyant particle promoters.' Invited Paper. Chemical Engineering Communications, 108, 381-401 (1991).

12.        R. F. Storms, B. V. Ramarao and R. H. Weiland. 'Low shear rate viscosity of bidispersed suspensions.' Powder Technology, 63, 3, 247-259 (1991).

11.        B. V. Ramarao and C. Tien. 'Role of Basset forces in particle deposition in stagnation flows.' J. Aerosol Science, 21, 5, 597-611 (1990).

10.        B. V. Ramarao and R. H. Weiland. 'Image processing and analysis of sedimenting suspensions.' Fluid Particle Separation Journal, 3, 1, 1-18 (1990).

9.          W. F. Allen, B. V. Ramarao and R. H. Weiland. 'Continuous sedimentation of model suspensions promoted by rigid buoyant particles.' Separations Technology, 1, 55-62 (1990).

8.          B. V. Ramarao. 'Image analysis of particle deposits in model fibrous filters.' Fluid Particle Separation Journal, 2, 2, 85-94 (1989).

7.          B. V. Ramarao and C. Tien. 'Aerosol particle deposition in two dimensional stagnation point flow.' J. Aerosol Science, 20, 7, 775-785 (1989).

6.          B. V. Ramarao and C. Tien. 'On the extension of mass transfer j-factor correlations to the collection efficiency of fibrous filters.' Aerosol Science & Technology, 11, 58-64 (1989).

5.          B. V. Ramarao and C. Tien. 'Calculations of drag force on particle dendrites.' Aerosol Science & Technology, 8, 81-95 (1988).

4.          B. V. Ramarao and C. Tien. 'Stochastic simulation of aerosol deposition in model fibrous filters.' AIChE Journal, 34, 2, 253-262 (1988).

3.          R. H. Weiland, Y. P. Fessas and B. V. Ramarao. 'On instabilities arising during sedimentation of two component mixtures of solids.' J. Fluid Mechanics, 142, 383-389 (1984).

2.          B. V. Ramarao and W. R. Wilcox. 'Influence of oscillatory and ramped freezing rates on off-eutectic solidification of composite materials.' J. Crystal Growth, 63, 39-46 (1983).

1.          B. V. Ramarao, W. R. Wilcox and W. L. Briggs. 'Stage II initial transient in off-eutectic solidification.' J. Crystal Growth, 59, 557-564 (1982).


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