Nanophotonics triggered thermally enhanced solar water disinfection bottles for slum dwellers.

Among several existing technologies, solar pasteurization is widely accepted as a reliable and cost-effective method for the removal of microbial pathogens from water. This work reports nanophotonics-triggered thermally enhanced solar water disinfection bottles (nano-SODIS) designed rationally by coating plasmonic carbon nanoparticles (CNP) on the outer surface for the targeted pathogen inactivation from water. The cost-effective CNP nanophotonic material used in this work has high efficiency in harvesting solar radiation and dissipating the heat locally.

Reduced graphene oxide -MnO nanocomposite for CO capture from flue gases at elevated temperatures.

The newly prepared reduced graphene oxide-MnO (rGO-MnO) nanocomposite has exhibited highly selective CO adsorption from gaseous mixtures at elevated temperatures. The Mn basic sites are scattered over the rGO-MnO nanocomposite which produce an effective BET surface area of 710 m g for selective CO capture. The selective adsorption of CO (5.

Graphene/fluorescein dye-based sensor for detecting As(III) in drinking water.

A complex of reduced graphene oxide (rGO) and fluorescein (FL) dye nanoparticles of size between 50 and 100 nm has been prepared and its sensing performance for detection of As(III) in drinking water has been reported. When As(III) binds to the rGO-FL nanoparticles the relative quenching of fluorescence was increased with increase in As(III) concentration thus provide two linear calibration ranges (0-4.0 mmol L and 4.

High performance CO capture at elevated temperatures by using cenospheres prepared from solid waste, fly ash.

Cenospheres (CS) are spherical shaped inorganic frameworks present in with fly ash which is generated from coal-fired thermal power plants. These spherical structures were functionalized with imidazole and amine moieties to capture CO selectively from flue gases at elevated temperature. The functionalized CS have shown a high selectivity for CO adsorption (4.

Synthesis of NiP/CdS and Pt/TiO nanocomposite for photoreduction of CO into methanol.

It is a great challenge to convert thermochemically stable CO into value-added products such as CH, CHOH, CO via utilizing solar energy. It is also a difficult task to develop an efficient catalyst for the reduction of CO. We have designed and synthesized noble metal-free photocatalytic nanostructure NiP/CdS and Pt/TiO for conversion of CO to methanol in the presence of sacrificial donor triethylamine (TEA) and hydrogen peroxide.

Molecularly imprinted microparticles (microMIPs) embedded with reduced graphene oxide for capture and destruction of E.coli in drinking water.

In this article for the first time, we have reported, a facile way for the creation of E.coli impressions in the polymer for selective capture and to destroy E. coli in drinking water.

Removal of arsenic(III) from water by magnetic binary oxide particles (MBOP): Experimental studies on fixed bed column.

Magnetic binary oxide particles (MBOP) were prepared by template method using chitosan in the laboratory for the removal of As(III) from water. The prepared MBOP has super paramagnetic property which is sufficient for magnetic separation. Column study was performed at two different flow rates of 2.

Nano-ferrites for water splitting: unprecedented high photocatalytic hydrogen production under visible light.

In the present investigation, hydrogen production via water splitting by nano-ferrites was studied using ethanol as the sacrificial donor and Pt as co-catalyst. Nano-ferrite is emerging as a promising photocatalyst with a hydrogen evolution rate of 8.275 μmol h(-1) and a hydrogen yield of 8275 μmol h(-1) g(-1) under visible light compared to 0.

N-doped mesoporous alumina for adsorption of carbon dioxide.

N-doped mesoporous alumina has been synthesized using chitosan as the biopolymer template. The adsorbent has been thoroughly investigated for the adsorption of CO2 from a simulated flue gas stream (15% CO2 balanced with N2) and compared with commercially available mesoporous alumina procured from SASOL, Germany. CO2 adsorption was studied under different conditions of pretreatment and adsorption temperature, inlet CO2 concentration and in the presence of oxygen and moisture.

User perception study for performance evaluation of domestic defluoridation techniques for its application in rural areas.

Fluoride concentrations in ground water have been monitored in rural areas of Dhar and Jhabua districts in Madhya Pradesh, India. A correlation of fluoride concentration with pH, TDS and conductivity has been estimated to identify surrogate monitoring parameter. Further, fluoride removal from drinking water has been achieved by using adsorbents specially developed for domestic applications.

Adsorption of phenol and o-chlorophenol by mesoporous MCM-41.

Water pollution by toxic organic compounds is of concern and the demand for effective adsorbents for the removal of toxic compounds is increasing. Present work deals with the adsorption of phenol (PhOH) and o-chlorophenol (o-CP) on mesoporous MCM-41 material. The effect of surfactant template in MCM-41 on the removal of PhOH and o-CP was investigated.

Surfactant-modified zeolite as a slow release fertilizer for phosphorus.

The feasibility of using surfactant-modified zeolite (SMZ) as a carrier for fertilizer and for slow release of phosphorus (P) was investigated. Zeolite-A was modified by using hexadecyltrimethylammonium bromide, a cationic surfactant, to modify its surface to increase its capacity to retain anion, namely, phosphate (PO4(3-)). SMZ was thoroughly characterized using X-ray diffraction, Fourier transform infrared, and scanning electron microscopy to study the effect of surfactant modification.