Search Results - "Gupta, V K"

Application of low-cost adsorbents for dye removal – A review by Gupta, V.K., Suhas

“…Dyes are an important class of pollutants, and can even be identified by the human eye. Disposal of dyes in precious water resources must be avoided, however,…”
Get full text

Advances in water treatment by adsorption technology by Ali, Imran, Gupta, V K

“…Among various water purification and recycling technologies, adsorption is a fast, inexpensive and universal method. The development of low-cost adsorbents has…”
Get full text

Chromium removal by combining the magnetic properties of iron oxide with adsorption properties of carbon nanotubes by Gupta, V.K., Agarwal, Shilpi, Saleh, Tawfik A.

“…The adsorption features of multiwall carbon nanotubes (MWCNTs) with the magnetic properties of iron oxides have been combined in a composite to produce a…”
Get full text

Equilibrium and kinetic modelling of cadmium(II) biosorption by nonliving algal biomass Oedogonium sp. from aqueous phase by Gupta, V.K., Rastogi, A.

“…The biosorption of cadmium(II) ions on Oedogonium sp. is studied in a batch system with respect to initial pH, algal dose, contact time and the temperature…”
Get full text

Adsorptive removal of hazardous anionic dye “Congo red” from wastewater using waste materials and recovery by desorption by Mittal, Alok, Mittal, Jyoti, Malviya, Arti, Gupta, V.K.

“…Effect of pH on adsorption of Congo red over bottom ash and deoiled soya. The present investigation assesses the applicability of waste materials—bottom ash…”
Get full text

Pesticides removal from waste water by activated carbon prepared from waste rubber tire by Gupta, V.K., Gupta, Bina, Rastogi, Arshi, Agarwal, Shilpi, Nayak, Arunima

“…Waste rubber tire has been used for the removal of pesticides from waste water by adsorption phenomenon. By applying successive chemical and thermal treatment,…”
Get full text

Biosorption of lead from aqueous solutions by green algae Spirogyra species: Kinetics and equilibrium studies by Gupta, V.K., Rastogi, A.

“…Biosorption is the effective method for the removal of heavy metal ions from wastewaters. Results are presented showing the sorption of Pb(II) from solutions…”
Get full text

Removal of Rhodamine B, Fast Green, and Methylene Blue from Wastewater Using Red Mud, an Aluminum Industry Waste by Gupta, V. K, Suhas, Ali, Imran, Saini, V. K

“…Successful removal of rhodamine B, fast green, and methylene blue from wastewater was achieved using red mud, an aluminum industry waste. The percentage…”
Get full text

A comparative investigation on adsorption performances of mesoporous activated carbon prepared from waste rubber tire and activated carbon for a hazardous azo dye—Acid Blue 113 by Gupta, V.K., Gupta, Bina, Rastogi, Arshi, Agarwal, Shilpi, Nayak, Arunima

“…[Display omitted] ▶ The system is cheap, efficient and fast for the removal of dyes from waters. ▶ Higher adsorption capacity is due to higher mesoporous…”
Get full text

Biosorption of hexavalent chromium by raw and acid-treated green alga Oedogonium hatei from aqueous solutions by Gupta, V.K., Rastogi, A.

“…The hexavalent chromium, Cr(VI), biosorption by raw and acid-treated Oedogonium hatei were studied from aqueous solutions. Batch experiments were conducted to…”
Get full text

Photochemical degradation of the hazardous dye safranin-T using TiO2 catalyst by GUPTA, V. K, JAIN, Rajeev, MITTAL, Alok, MATHUR, Megha, SIKARWAR, Shalini

“…Aqueous solutions of Safranin-T, a hazardous textile dye, are photodegraded under ultraviolet light using TiO2 as catalyst. The process has been carried out at…”
Get full text

Decoloration treatment of a hazardous triarylmethane dye, Light Green SF (Yellowish) by waste material adsorbents by Mittal, Alok, Mittal, Jyoti, Malviya, Arti, Kaur, Dipika, Gupta, V.K.

“…Effect of pH on uptake of Light Green SF (Yellowish) by bottom ash and deoiled soya An agricultural industry waste, deoiled soya, and a waste of thermal power…”
Get full text

Adsorption of basic fuchsin using waste materials—bottom ash and deoiled soya—as adsorbents by Gupta, V.K., Mittal, Alok, Gajbe, Vibha, Mittal, Jyoti

“…Basic fuchsin, a triaminotriphenylmethane dye, was removed by adsorption utilizing two waste materials—“bottom ash,” a power plant waste material, and “deoiled…”
Get full text

Study on the removal of heavy metal ions from industry waste by carbon nanotubes: Effect of the surface modification: a review by Gupta, V. K., Moradi, O., Tyagi, I., Agarwal, S., Sadegh, H., Shahryari-Ghoshekandi, R., Makhlouf, A. S. H., Goodarzi, M., Garshasbi, A.

“…Removal of noxious materials such as heavy metal ions (which are hazardous above certain ppm concentration) from wastewater is one of the biggest environmental…”
Get full text

Adsorption and desorption studies on hazardous dye Naphthol Yellow S by Jain, Rajeev, Gupta, V.K., Sikarwar, Shalini

“…In the present study, the batch technique was adopted under a variety of conditions, viz., amount of adsorbent, contact time, concentration, temperature and…”
Get full text

Removal of lead and chromium from wastewater using bagasse fly ash—a sugar industry waste by Gupta, V.K., Ali, Imran

“…An inexpensive and effective adsorbent was developed from bagasse fly ash, obtained from a sugar industry, for the dynamic uptake of lead and chromium. Lead…”
Get full text

Sorption and desorption studies of chromium(VI) from nonviable cyanobacterium Nostoc muscorum biomass by Gupta, V.K., Rastogi, A.

“…This communication presents results pertaining to the sorptive and desorptive studies carried out on chromium(VI) removal onto nonviable freshwater…”
Get full text

Removal of Dyes from Wastewater Using Bottom Ash by Gupta, V. K, Ali, Imran, Saini, V. K, Van Gerven, Tom, Van der Bruggen, Bart, Vandecasteele, Carlo

“…Municipal solid waste incinerator (MSWI) bottom ash was converted into a low-cost adsorbent, characterized and used for the removal of alizarin yellow, fast…”
Get full text

Removal and Recovery of the Hazardous Azo Dye Acid Orange 7 through Adsorption over Waste Materials:  Bottom Ash and De-Oiled Soya by Gupta, V. K, Mittal, Alok, Gajbe, Vibha, Mittal, Jyoti

“…An azo dye, Acid Orange 7 [p-(2-hydroxy-1 naphthylazo)benzene sulfonic acid] was removed by adsorption over two waste materials, namely, bottom ash, a power…”
Get full text

Chromium(III) selective membrane sensors based on Schiff bases as chelating ionophores by Singh, A.K., Gupta, V.K., Gupta, Barkha

“…The two chromium chelates of Schiff bases, N-(acetoacetanilide)-1,2-diaminoethane ( L 1) and N, N′-bis(acetoacetanilide)-triethylenetetraammine ( L 2), have…”
Get full text