Nandakishore Rajagopalan

2018

Advanced treatment of hydrothermal liquefaction wastewater with nanofiltration to recover carboxylic acids

Zhang, X., Scott, J. W., Sharma, B. K. & Rajagopalan, N., Apr 2018, In : Environmental Science: Water Research and Technology. 4, 4, p. 520-528 9 p.

Research output: Contribution to journal › Article

Nanofiltration

Liquefaction

carboxylic acid

Carboxylic acids

liquefaction

Materials and Energy Recovery from E-Waste Plastics

Chandrasekaran, S. R., Avasarala, S., Murali, D., Rajagopalan, N. & Sharma, B. K., Apr 2 2018, In : ACS Sustainable Chemistry and Engineering. 6, 4, p. 4594-4602 9 p.

Research output: Contribution to journal › Article

plastic waste

polycarbonate

plastic

Plastics

Recovery

Removal of estrogenic hormones from manure-containing water by vegetable oil capture

Dodgen, L. K., Wiles, K. N., Deluhery, J., Rajagopalan, N., Holm, N. L. & Zheng, W., Jan 1 2018, In : Journal of Hazardous Materials. 343, p. 125-131 7 p.

Research output: Contribution to journal › Article

Plant Oils

Manure

vegetable oil

Vegetable oils

Manures

2017

An overview of a novel concept in biomass pyrolysis: microwave irradiation

Zhang, X., Rajagopalan, N., Lei, H., Ruan, R. & Sharma, B. K., Jan 1 2017, In : Sustainable Energy and Fuels. 1, 8, p. 1664-1699 36 p.

Research output: Contribution to journal › Review article

Microwave irradiation

Biomass

Pyrolysis

Microwaves

Microwave heating

Catalytic Thermal Cracking of Postconsumer Waste Plastics to Fuels. 2. Pilot-Scale Thermochemical Conversion

Kunwar, B., Chandrasekaran, S. R., Moser, B. R., Deluhery, J., Kim, P., Rajagopalan, N. & Sharma, B. K., Mar 16 2017, In : Energy and Fuels. 31, 3, p. 2705-2715 11 p.

Research output: Contribution to journal › Article

Plastics

Diesel fuels

Sulfur

Petroleum

Crude oil

2016

Catalytic and thermal depolymerization of low value post-consumer high density polyethylene plastic

Kunwar, B., Moser, B. R., Chandrasekaran, S. R., Rajagopalan, N. & Sharma, B. K., Sep 15 2016, In : Energy. 111, p. 884-892 9 p.

Research output: Contribution to journal › Article

Depolymerization

High density polyethylenes

Crude oil

Plastics

Boiling point

Combustion of Switchgrass in Biomass Home Heating Systems: Emissions and Ash Behavior

Chandrasekaran, S. R., Sharma, B. K., Hopke, P. K. & Rajagopalan, N., Apr 21 2016, In : Energy and Fuels. 30, 4, p. 2958-2967 10 p.

Research output: Contribution to journal › Article

Ashes

Biomass

Furnaces

Heating

Wood

2015

Catalytic Thermal Cracking of Postconsumer Waste Plastics to Fuels. 1. Kinetics and Optimization

Chandrasekaran, S. R., Kunwar, B., Moser, B. R., Rajagopalan, N. & Sharma, B. K., Sep 17 2015, In : Energy and Fuels. 29, 9, p. 6068-6077 10 p.

Research output: Contribution to journal › Article

Petroleum

Oils

Plastics

Gasoline

Catalysts

Sustainable power plansts

O'Brien, K., Patel, V., Rajagopalan, K., Lu, Y. & Stillwell, A., Jan 1 2015, Carbon Management Technology Conference 2015: Sustainable and Economical CCUS Options, CMTC 2015. AIChE, p. 1192-1206 15 p. (Carbon Management Technology Conference 2015: Sustainable and Economical CCUS Options, CMTC 2015; vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

The utilization of forward osmosis for coal tailings dewatering

Salih, H. H. M., Wang, L., Patel, V., Namboodiri, V. & Rajagopalan, N., Aug 11 2015, In : Minerals Engineering. 81, p. 142-148 7 p.

Research output: Contribution to journal › Article

Coal tailings

Osmosis

Dewatering

dewatering

osmosis

2014

Production, characterization and fuel properties of alternative diesel fuel from pyrolysis of waste plastic grocery bags

Sharma, B. K., Moser, B. R., Vermillion, K. E., Doll, K. M. & Rajagopalan, N., Jun 1 2014, In : Fuel Processing Technology. 122, p. 79-90 12 p.

Research output: Contribution to journal › Article

Alternative fuels

Petroleum

Diesel fuels

Hydrocarbons

Hydrogen

2013

Chemical and biological characterization of wastewater generated from hydrothermal liquefaction of Spirulina

Pham, M., Schideman, L., Scott, J., Rajagopalan, N. & Plewa, M. J., Feb 19 2013, In : Environmental Science and Technology. 47, 4, p. 2131-2138 8 p.

Research output: Contribution to journal › Article

Spirulina

Liquefaction

liquefaction

Wastewater

wastewater

Chemical treatment of commercial reverse osmosis membranes for use in FO

Wang, X., Duitsman, E., Rajagopalan, N. & Namboodiri, V. V., Jun 4 2013, In : Desalination. 319, p. 66-72 7 p.

Research output: Contribution to journal › Article

Osmosis membranes

Osmosis

Reverse osmosis

osmosis

Ethanol

Complete utilization of spent coffee grounds to produce biodiesel, bio-oil, and biochar

Vardon, D. R., Moser, B. R., Zheng, W., Witkin, K., Evangelista, R. L., Strathmann, T. J., Rajagopalan, K. & Sharma, B. K., Oct 7 2013, In : ACS Sustainable Chemistry and Engineering. 1, 10, p. 1286-1294 9 p.

Research output: Contribution to journal › Article

Coffee

Biofuels

coffee

Biodiesel

Oils

Desalination

Namboodiri, V. & Rajagopalan, N., Oct 2013, Assuring Purity of Drinking Water. Elsevier Inc., Vol. 2. p. 98-119 22 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

desalination

Desalination

Fresh Water

Hot Temperature

Renewable Energy

Highly ordered macroporous woody biochar with ultra-high carbon content as supercapacitor electrodes

Jiang, J., Zhang, L., Wang, X., Holm, N. L., Rajagopalan, N., Chen, F. & Ma, S., Nov 1 2013, In : Electrochimica Acta. 113, p. 481-489 9 p.

Research output: Contribution to journal › Article

Carbon

Electrodes

Capacitance

Energy dispersive spectroscopy

Chemical activation

Use of treated effluent water in ethanol production from cellulose

Ramchandran, D., Rajagopalan, N., Strathmann, T. J. & Singh, V., Sep 1 2013, In : Biomass and Bioenergy. 56, p. 22-28 7 p.

Research output: Contribution to journal › Article

ethanol production

bioethanol

effluents

cellulose

Cellulosic ethanol

2012

Thermochemical conversion of raw and defatted algal biomass via hydrothermal liquefaction and slow pyrolysis

Vardon, D. R., Sharma, B. K., Blazina, G. V., Rajagopalan, N. & Strathmann, T., Apr 1 2012, In : Bioresource Technology. 109, p. 178-187 10 p.

Research output: Contribution to journal › Article

Liquefaction

liquefaction

pyrolysis

Oils

Biomass

2011

Oxygen reduction reaction on a mini gas diffusion electrode

Jiang, J. & Rajagopalan, N., Dec 30 2011, In : Electrochimica Acta. 58, 1, p. 717-722 6 p.

Research output: Contribution to journal › Article

Diffusion in gases

Oxygen

Electrodes

Catalysts

Fuel cells

Thermo-chemical conversion of spent coffee to bio-oil and biochar

Sharma, B. K., Zheng, W., Witkin, K. & Rajagopalan, N., Dec 1 2011, In : ACS National Meeting Book of Abstracts.

Research output: Contribution to journal › Conference article

Coffee

Oils

Ashes

Feedstocks

Crops

Thermo-chemical conversion of waste lipids to distillates

Sharma, B. K., Vardon, D., Strathmann, T. J. & Rajagopalan, N., Dec 1 2011, In : ACS National Meeting Book of Abstracts.

Research output: Contribution to journal › Conference article

Lipids

Oils

Liquefaction

Pyrolysis

Boiling point

2010

Sorption properties of greenwaste biochar for two triazine pesticides

Zheng, W., Guo, M., Chow, T., Bennett, D. N. & Rajagopalan, N., Sep 1 2010, In : Journal of Hazardous Materials. 181, 1-3, p. 121-126 6 p.

Research output: Contribution to journal › Article

Triazines

simazine

Pesticides

Herbicides

Simazine

Use of cooling tower blow down in ethanol fermentation

Rajagopalan, N., Singh, V., Panno, B. & Wilcoxon, M., Dec 1 2010, In : Water Science and Technology. 62, 10, p. 2263-2269 7 p.

Research output: Contribution to journal › Article

Cooling towers

Fermentation

fermentation

ethanol

Ethanol

2008

Dynamic simulations of alumina membrane fouling from recycling of semisynthetic metalworking fluids

Wentz, J. E., Kapoor, S. G., Devor, R. E. & Rajagopalan, N., Dec 1 2008, In : Journal of Manufacturing Science and Engineering, Transactions of the ASME. 130, 6, p. 610151-6101511 5491361 p.

Research output: Contribution to journal › Article

Membrane fouling

Recycling

Alumina

Membranes

Fluids

Partial pore blocking in microfiltration recycling of a semisynthetic metalworking fluid

Wentz, J. E., Kapoor, S. G., DeVor, R. E. & Rajagopalan, N., Aug 1 2008, In : Journal of Manufacturing Science and Engineering, Transactions of the ASME. 130, 4, p. 410141-410149 9 p.

Research output: Contribution to journal › Article

Microfiltration

Recycling

Membranes

Fluids

Fouling

Use of paramagnetic particles in membrane integrity testing

Deluhery, J. & Rajagopalan, N., Jun 20 2008, In : Journal of Membrane Science. 318, 1-2, p. 176-181 6 p.

Research output: Contribution to journal › Article

integrity

membranes

Membranes

polycarbonate

Testing

2007

Development of a novel metalworking fluid engineered for use with microfiltration recycling

Wentz, J. E., Kapoor, S. G., DeVor, R. E. & Rajagopalan, N., Jan 1 2007, In : Journal of Tribology. 129, 1, p. 135-142 8 p.

Research output: Contribution to journal › Article

Microfiltration

recycling

Recycling

Fluids

fouling

Transiently stable emulsions for metalworking fluids

Bittorf, P. J., Kapoor, S. G., DeVor, R. E. & Rajagopalan, N., Aug 22 2007, Transactions of the North American Manufacturing Research Institution of SME 2007 - Papers Presented at NAMRC 35. p. 343-350 8 p. (Transactions of the North American Manufacturing Research Institution of SME; vol. 35).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Design of experiments

Emulsions

Fluids

Lubrication

Surface tension

2006

Chemically activated carbon on a fiberglass substrate for removal of trace atrazine from water

Yue, Z., Economy, J., Rajagopalan, N., Bordson, G., Piwoni, M., Ding, L., Snoeyink, V. L. & Marinas, B. J., Aug 28 2006, In : Journal of Materials Chemistry. 16, 33, p. 3375-3380 6 p.

Research output: Contribution to journal › Article

Atrazine

Herbicides

Activated carbon

Water

Fibers

Development of a novel metalworking fluid engineered for use with microfiltration recycling

Wentz, J. E., Kapoor, S. G., DeVor, R. E. & Rajagopalan, N., Nov 28 2006, Proceedings of STLE/ASME International Joint Tribology Conference, IJTC 2006. (Proceedings of STLE/ASME International Joint Tribology Conference, IJTC 2006; vol. 2006).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Microfiltration

Recycling

Fluids

Membrane fouling

Fouling

Effect of water phase surface tension and viscosity on metalworking fluid functionality

Bittorf, P. J., Kapoor, S. G., DeVor, R. E. & Rajagopalan, N., Sep 21 2006, Transactions of the North American Manufacturing Research Institute of SME 2006 - Papers Presented at NAMRC 34. p. 555-562 8 p. (Transactions of the North American Manufacturing Research Institute of SME; vol. 34).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Surface tension

Viscosity

Fluids

Lubrication

Machining

2005

An evaluation of the colloidal stability of metal working fluid

Menniti, A., Rajagopalan, K., Kramer, T. A. & Clark, M. M., Apr 15 2005, In : Journal of Colloid And Interface Science. 284, 2, p. 477-488 12 p.

Research output: Contribution to journal › Article

Metal working

Fluids

Coagulation

Photon correlation spectroscopy

Electrophoretic mobility

A turbidimetric method for the rapid evaluation of MWF emulsion stability

Deluhery, J. & Rajagopalan, N., Apr 22 2005, In : Colloids and Surfaces A: Physicochemical and Engineering Aspects. 256, 2-3, p. 145-149 5 p.

Research output: Contribution to journal › Article

Emulsions

emulsions

evaluation

rust fungi

lubricants

Effects of organic and metal contamination on the etch rate of acid baths - Implications for extended acid use

Ellis, A., Deluhery, J. & Rajagopalan, N., Feb 1 2005, Plating and Surface Finishing, 92, 2, p. 42-47 6 p.

Research output: Contribution to specialist publication › Article

baths

contamination

Contamination

Metals

acids

Experimental investigation of membrane fouling due to microfiltration of semi-synthetic metalworking fluids

Wentz, J. E., Kapoor, S. G., DeVor, R. E. & Rajagopalan, N., Dec 1 2005, In : Transactions of the North American Manufacturing Research Institute of SME. 33, p. 281-288 8 p.

Research output: Contribution to journal › Conference article

Membrane fouling

Microfiltration

Fluids

Fluxes

Experiments

Formulation and testing of a microfiltration compatible synthetic metalworking fluid

Gilmer, J. A., Eppert, J. J. & Rajagopalan, N., Jul 1 2005, In : Journal of Membrane Science. 256, 1-2, p. 18-28 11 p.

Research output: Contribution to journal › Article

Microfiltration

Corrosion

formulations

Fluids

fluids

2004

High surface area, mesoporous fibers for removal of organics from water

Yue, Z., Economy, J., Rajagopalan, N., Bordson, G. & Piwoni, M., 2004, In : ACS National Meeting Book of Abstracts. 228, 1

Research output: Contribution to journal › Article

Humic Substances

Polyacrylonitriles

Cellulose

Functional groups

Water

Impact of environmental contaminants on machining properties of metalworking fluids

Greeley, M. & Rajagopalan, N., Apr 1 2004, In : Tribology International. 37, 4, p. 327-332 6 p.

Research output: Contribution to journal › Article

machining

contaminants

Machining

Impurities

Fluids

Purification of semi-synthetic metalworking fluids by microfiltration

Rajagopalan, K., Rusk, T. & Dianovsky, M., Aug 1 2004, Tribology and Lubrication Technology, 60, 8, p. 38-44 7 p.

Research output: Contribution to specialist publication › Article

Microfiltration

Purification

Fluids

Bacteria

Productivity

The influence of fluid management policy and operational changes on metalworking fluid functionality

Greeley, M. H., DeVor, R. E., Kapoor, S. G. & Rajagopalan, N., Aug 1 2004, In : Journal of Manufacturing Science and Engineering, Transactions of the ASME. 126, 3, p. 445-450 6 p.

Research output: Contribution to journal › Review article

Microfiltration

Water hardness

Fluids

Drilling

Chelation

2003

Evaluating performance changes due to gradual component depletion in metalworking fluids

Greeley, M. H., DeVor, R. E., Kapoor, S. G. & Rajagopalan, N., Dec 1 2003, 31st North American Manufacturing Research Conference 2003 - Transactions of the North American Manufacturing Research Institution of SME. p. 337-344 8 p. (Transactions of the North American Manufacturing Research Institution of SME; vol. 31).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fluids

Life cycle

Drilling

Chemical analysis