Kumar, L., Gupta, B. and Purkait, M.K., 2025. Photo-induced degradation of toxic recalcitrant compounds from surface water: Insights into advanced nanomaterials, hybrid photocatalytic systems, and real applications. Journal of Environmental Management, 377, p.124610. (Corresponding Author) (Q1, I.F.: 8.0)

Sonal, S., Arya, A.K., Srivastava, A., Gupta, B., Mishra, B.K., 2025. Understanding the role of oxidants for enhanced remediation of groundwater nitrate: An insight into surface modification. Materials Science and Engineering: B, 313, p. 117872. DOI: https://doi.org/10.1016/j.mseb.2024.117872. (Q2, I.F.: 3.9)

Purkait, M.K., Kumar, L., Gupta, B. Integrated System with Photocatalytic Reactor for Continuous Treatment of Wastewater. (Patent Filed; Date: 28 February 2025; Application No.: 202531017644; Role: Inventor)

Purkait, M.K., Gupta, B., Das, P.P. Photocatalytic Degradation of Pharmaceutical Wastewater. (Elsevier, Accepted/In-Press; Dated: January 2025)

Purkait, M.K., Das, P.P., Gupta, B. Chlorination Practices for Water Disinfection: Applications and Environmental Impact. (ACS, Proposal Submitted; Dated 20 January 2025)

Srivastava, A.1, Ambekar, R.S. 1, Gupta, B. 1, Tiwary, C.S. and Gupta, A.K., 2024. Schwarzite-based 3D-printed carriers for enhanced performance of sequencing batch biofilm reactor (SBBR) for wastewater treatment. Journal of Environmental Chemical Engineering, 111794. DOI: 10.1016/j.jece.2023.111794. (1 First Author) (Q1, I.F.: 7.4)

Purkait, M.K., Gupta, B., Kumar, L. Photocatalytic reactor for efficient removal of pharmaceutical contamination from water. (Patent Filed; Date: 27 December 2024; Application No.: 202431103915; Role: Inventor)

Gupta, B., Saidulu, D., Srivastava, A., Rawat, A., Singh, A., Bhatnagar, A., and Gupta, A.K., 2023. Performance assessment of photo-controlled catalytic and moving biocarrier-based hybrid systems for the treatment of pharmaceuticals from municipal and industrial wastewater: Insights into influencing factors and degradation mechanisms. Journal of Environmental Chemical Engineering, 110128. DOI: 10.1016/j.jece.2023.110128. (Q1, I.F.: 7.4)

Gupta, B., Gupta, A.K. and Bhatnagar, A., 2023. Treatment of pharmaceutical wastewater using photocatalytic reactor and hybrid system integrated with biofilm based process: Mechanistic insights and degradation pathways. Journal of Environmental Chemical Engineering, p.109141. DOI: 10.1016/j.jece.2022.109141. (Q1, I.F.: 7.4)

Ghosal, P.S., Gupta, A.K., Gupta, B., Lal, S. An improved secondary treatment unit of wastewater comprising of moving and stationary bed bio-reactor-sedimentation tank (MBSST). (Date of Grant: 31 July 2023; Indian Patent; Application Date: 12 March 2020; Application No. 202031010688; Patent No. 441964; Role: Inventor)

Oral presentation on the Topic “Photocatalytic Remediation of Antibiotics from the Aqueous Solution: A Brief Outlook” on the Research Scholar Day (6th April 2023, School of Water Resources, IIT Kharagpur).

Gupta, B., and Gupta, A.K., 2022. Photocatalytic performance of 3D engineered chitosan hydrogels embedded with sulfur-doped C3N4/ZnO nanoparticles for Ciprofloxacin removal: Degradation and mechanistic pathways. International Journal of Biological Macromolecules, 198, pp.87-100. DOI: 10.1016/j.ijbiomac.2021.12.120. (Q1, I.F.: 7.7)

Gupta, B., Gupta, A.K., Ghosal, P.S., Lal, S., Saidulu, D., Srivastava, A. and Upadhyay, M., 2022. Recent advances in application of moving bed biofilm reactor for wastewater treatment: Insights into critical operational parameters, modifications, field-scale performance, and sustainable aspects. Journal of Environmental Chemical Engineering, p.107742. DOI: 10.1016/j.jece.2022.107742. (Q1, I.F.: 7.4)

Ghosal, P., Gupta, B., Ambekar, R. S., Rahman, M. M., Ajayan, P. M., Aich, N., Gupta, A.K. and Tiwary, C.S., 2022. 3D Printed Materials in Water Treatment Applications. Advanced Sustainable Systems, 6(3), 2100282. DOI: 10.1002/adsu.202100282. (Q1, I.F.: 6.5)

Gupta, B., Gupta, A.K., Tiwary, C.S. and Ghosal, P.S., 2021. A multivariate modeling and experimental realization of photocatalytic system of engineered S–C3N4/ZnO hybrid for ciprofloxacin removal: Influencing factors and degradation pathways. Environmental Research, 196, p.110390. DOI: 10.1016/j.envres.2020.110390. (Q1, I.F.: 7.7)

Gupta, B., Ambekar, R.S., Tromer, R.M., Ghosal, P.S., Sinha, R., Majumder, A., Kumbhakar, P., Ajayan, P.M., Galvao, D.S., Gupta, A.K. and Tiwary, C.S., 2021. Development of a schwarzite-based moving bed 3D printed water treatment system for nanoplastic remediation. RSC Advances, 11(32), pp.19788-19796. DOI: 10.1039/d1ra03097c. (Q2, I.F.: 3.9)

Gupta, B., Priya, T. and Mishra, B.K., 2021. Augmentation of the coagulation activity of alum using a porous bio-flocculant for the remediation of trihalomethanes-generating hydrophobic natural organic matter. Environmental Engineering Research, 26(3), pp.209-217. DOI: 10.4491/eer.2020.234. (Q2, I.F.: 3.0)

Saidulu, D., Gupta, B., Gupta, A.K. and Ghosal, P.S., 2021. A review on occurrences, eco-toxic effects, and remediation of emerging contaminants from wastewater: Special emphasis on biological treatment based hybrid systems. Journal of Environmental Chemical Engineering, p.105282. DOI: 10.1016/j.jece.2021.105282. (Q1, I.F.: 7.4)

Srivastava, A., Gupta, B., Majumder, A., Gupta, A.K. and Nimbhorkar, S.K., 2021. A comprehensive review on the synthesis, performance, modifications, and regeneration of activated carbon for the adsorptive removal of various water pollutants. Journal of Environmental Chemical Engineering, 9(5), p.106177. DOI: 10.1016/j.jece.2021.106177. (Q1, I.F.: 7.4)

Dutta, S., Gupta, B., Srivastava, S.K. and Gupta, A.K., 2021. Recent advances on the removal of dyes from wastewater using various adsorbents: a critical review. Materials Advances. DOI: https://doi.org/10.1039/D1MA00354B. (Q1, I.F.: 5.2)

Dutta, S., Srivastava, S.K., Gupta, B. and Gupta, A.K., 2021. Hollow Polyaniline Microsphere/MnO2/Fe3O4 Nanocomposites in Adsorptive Removal of Toxic Dyes from Contaminated Water. ACS Applied Materials & Interfaces, 13(45), pp.54324-54338. DOI: 10.1021/acsami.1c15096. (Q1, I.F.: 8.3)

Kuila, S.K., Gorai, D.K., Gupta, B., Gupta, A.K., Tiwary, C.S. and Kundu, T.K., 2021. Lanthanum ions decorated 2-dimensional g-C3N4 for ciprofloxacin photodegradation. Chemosphere, 268, p.128780. DOI: 10.1016/j.chemosphere.2020.128780. (Q1, I.F.: 8.1)

Srivastava, A., Parida, V.K., Majumder, A., Gupta, B. and Gupta, A.K., 2021. Treatment of saline wastewater using physicochemical, biological, and hybrid processes: Insights into inhibition mechanisms, treatment efficiencies and performance enhancement. Journal of Environmental Chemical Engineering, p.105775. DOI: 10.1016/j.jece.2021.105775. (Q1, I.F.: 7.4)

Parida, V.K., Saidulu, D., Majumder, A., Srivastava, A., Gupta, B. and Gupta, A.K., 2021. Emerging contaminants in wastewater: A critical review on occurrence, existing legislations, risk assessment, and sustainable treatment alternatives. Journal of Environmental Chemical Engineering, 9(5), p.105966. DOI: 10.1016/j.jece.2021.105966. (Q1, I.F.: 7.4)

Gupta, B., Gupta, A.K., Ghosal, P.S. and Tiwary, C.S., 2020. Photo-induced degradation of bio-toxic Ciprofloxacin using the porous 3D hybrid architecture of an atomically thin sulfur-doped g-C3N4/ZnO nanosheet. Environmental research, 183, p.109154. DOI: 10.1016/j.envres.2020.109154. (Q1, I.F.: 7.7)

Gupta, B., Gupta, A.K., Ghosal, P.S., Tiwary, C.S., 2020. A scalable one-pot synthesis of Fe-N-ZnO catalyst for the degradation of bio-toxic Ciprofloxacin under UV irradiation. International Conference on Water, Energy and Environmental Sustainability, NIT Durgapur, India from January 13-15, 2020.

Gupta, B., Gupta, A.K., Ghosal, P.S., Tiwary, C.S., 2020. A short review on the source, occurrence, eco-toxic effects, and catalyst based advanced oxidation techniques for the removal of Ciprofloxacin. 52nd Annual Convention 2020, organized by Indian Water Works Association, NIT Patna, Bihar, India from January 10-12, 2020.

Sinha, R., Ghosal, P.S., Gupta, A.K., Gupta, B., 2020. The Status of Fluoride in Groundwater and Defluoridation Techniques in India: A Review. International Conference on Water, Energy and Environmental Sustainability, NIT Durgapur, India from January 13-15, 2020.

Majumder, A., Gupta, B. and Gupta, A.K., 2019. Pharmaceutically active compounds in aqueous environment: A status, toxicity and insights of remediation. Environmental Research, 176, p.108542. DOI: 10.1016/j.envres.2019.108542. (Q1, I.F.: 7.7)

Successfully participated in the Seminar on “Current UPLC mass spectrometry technology and its application” held by Waters India at CRF-IIT Kharagpur on September 25, 2019.

Successfully participated in a short-term course on “Advance wastewater treatment system for emerging contaminants: Special emphasis on hospital liquid waste management” held from November 18 to 20, 2019, at IIT Kharagpur.

Priya, T., Tarafdar, A., Gupta, B. and Mishra, B.K., 2018. Effect of bioflocculants on the coagulation activity of alum for removal of trihalomethane precursors from low turbid water. Journal of Environmental Sciences, 70, pp.1-10. DOI: 10.1016/j.jes.2017.09.019. (Q1, I.F.: 5.9)

Successfully participated in the author workshop on “How to write and publish scientific articles and manuscripts” organized by Springer Nature, held on February 27, 2018, at IIT Kharagpur.

Successfully participated in GIAN course on “Urban water and wastewater management for India” held from April 30 to May 4, 2018, at IIT Kharagpur.

Gupta, B., Priya, T., Mishra, B.K., 2017. Performance Evaluation of Banyan Seed as Natural Coagulant for Removal of Turbidity and Aromatic NOM from Synthetic Water. The Indian Science Congress Association-2017, Tirupati, India, 3-7 January 2017.

Priya, T., Gupta, B., Mishra, B.K., 2017. A Preliminary Evaluation of Turbidity and Specific UV Absorbance by Bioflocculant. The Indian Science Congress Association-2017, Tirupati, India, 3-7 January 2017.

Successfully participated in the Workshop on “Interpretation of instrumental methods (WIIM-2017)” (UV, TGA, DSC, BET surface area, particle size distribution, zeta potential measurements, contact angle measurements), organized by Department of Chemistry, Sathyabama University, Chennai, in association with CSIR-National Metallurgical Laboratory Madras Centre & Kunash Instruments Pvt. Ltd., Micromeritics during January 5 to 7, 2017.

M. Tech. Project on the topic “Assessment of influence of natural organic matter and other operational condition during chlorination and control strategy of trihalomethanes in drinking water” under Dr. Brijesh Kumar Mishra (Associate Professor) in 2017. (IIT (ISM) Dhanbad)

Second Topper in M. Tech. in Department of Environmental Science and Engineering, IIT (ISM) Dhanbad. (2015-2017 Batch)

Successfully participated in the Professional Development Training Programme on “Water Quality and Treatment Plant Operation” organized by TEQIP (NPIU), held from December 19 to 23, 2016 at IIT(ISM) Dhanbad.

Practical Training on the topic “Eco-restoration, environmental hazards of mines fires & underground mining” from BCCL, Dhanbad, Jharkhand. (In M. Tech., May 11 to June 9, 2016)

Gold-Medalist in B. Tech. in Civil Engineering Department, IT GGV. (2011-2015 Batch)

GATE Qualified. (Year: 2015; Score: 544; Percentile: 97.32)

STAAD Pro. Course from Central Tool Room & Training Centre, Bhubaneswar, Odisha. (In B. Tech., June 1 to June 29, 2013)

Summer Training for Building Construction under PWD, Bilaspur, Chhattisgarh. (In B. Tech., May 1 to June 5, 2014)