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Volume 27 - Issue 5

Effect of treating activated carbon derived from date pits with H2SO4 on the adsorption of methylene blue dye molecules: kinetic, equilibrium and thermodynamic studies

by Guemgam A. Gherbia A. Bakchiche B. Guenane H.

Water and wastewater treatment and reuse

In this work, untreated activated carbon (UDP-AC) and activated carbon chemically treated with H₂SO₄ (TDP-AC) were successfully synthesized from date pits, a solid waste material. Characterization was performed on both UDP-AC and TDP-AC, and both samples were used to adsorb methylene blue (MB) dye...

Adsorption Agricultural Residues +3 more

Volume 27 - Issue 4

New Design Electro-Catalytic Digital Baffle Batch Oxidation Reactor for Organic Removal from Refinery Wastewater

by Nawaf A.

Water and wastewater treatment and reuse

A novel design Digital Baffle Electro Catalytic Batch Oxidation Reactor (DBECB) has been conceived to upsurge the specifications of refinery wastewater (RWW), through the removal of organic pollutants by electro catalytic oxidation treatment. The modern design that eliminates organic from RWW with...

crude oil wastewater treatment +5 more

Enhanced Modified Magnetite Bentonite-CaO/FeCl3 from Solid Waste for Highly Efficient Methylene Blue Removal

by Wibowo Y.G. Safitri H. Cahyani K. Rohman A. Sudibyo Yuliansyah A.T. Tri Bayu Murti Petrus H. Kurniawan S.B. Surya Ramadan B. Tatik Maryani A. Syarifuddin H.

Water and wastewater treatment and reuse

This study focuses on the development and evaluation of novel materials bentonite-CaO, magnetite bentonite-FeCl3, and magnetite bentonite-CaO/FeCl3 as potent adsorbents for the removal of methylene blue dyes from aqueous solutions. Batch adsorption test was conducted with variations of contact times...

Adsorption Bentonite-CaO +4 more

Performance Optimization of Single-Slope Solar Still with Metal Scrap Heat Enhancers via Taguchi Method

by Krishnamurth V.P. Barik D. Subramanian S. Subbaiyan N.

Water and wastewater treatment and reuse

This study uses Taguchi analysis to assess the performance and energy efficiency of a metal scrap-incorporating single-slope solar still (SSSS). This study examines the influence of key input variables solar intensity, wind velocity and water inlet temperature on output metrics such as daily...

Single slope solar still metal scrap +4 more

Dynamic Connectedness and Time-Frequency Interaction Between China's Carbon Emission Allowances (CEA) and the High-Tech Industry

by Guo W. Wu R.

Water and wastewater treatment and reuse

This study utilizes the Time-Varying Parameter Vector Auto-Regression (TVP-VAR) Connectedness model and wavelet coherence analysis to investigate, for the first time, the dynamic connection between China's carbon market and high-tech industry. The results show an overall market Connectedness index...

Carbon market high-tech industry +3 more

Biosorption of Heavy Metals Using Plant-Derived Sorbents: An Environmental Solution for Industrial Wastewater

by Mani A.K. Swarnalatha A. Naveen K. Suryanarayana Raju J. S.Kerur S. Priyadharsini ..

Water and wastewater treatment and reuse

This study used a biosorbent, derived from processed Prosopis juliflora root powder to treat wastewater and remove lead (Pb), cadmium (Cd), and copper (Cu) ions. The biosorption process was influenced by factors including temperature (25 to 65°C), biomass content (1 to 5 g), pH levels (1.0 to 7.0)...

Biosorption Heavy metals +3 more

Volume 26 - Issue 10

Evaluating Water Quality through Macroinvertebrate Diversity and Physicochemical Parameters in the Thamirabarani River Basin

by Kasinathan P. Jayachandran J. Jothi Chitra R. Egambaram M. Manivel S. Palraj K.

Water and wastewater treatment and reuse

Aquatic ecosystems in the Thamirabarani River Basin, Tamil Nadu, India, are facing increasingly complex challenges due to climate change, particularly concerning water temperature and dissolved oxygen levels. This study delves into the intricate relationship between these variables and their...

Macro invertebrates urban streams +6 more

Volume 26 - Issue 8

Enhanced Performance of Membrane Bioreactor in Sewage Treatment through Integrated Control Strategy

by Yuvaraju M.

Water and wastewater treatment and reuse

Wastewater includes sewage water, which presents serious environmental problems that necessitate effective treatment techniques. Membrane Bioreactors (MBRs) have emerged as promising solutions, albeit plagued by membrane fouling and computational loading issues. To resolve these issues, this...

Artificial Intelligence Sewage treatment +3 more

Volume 26 - Issue 6

Green, environmentally friendly synthesis of MnO Nanoparticles for corrosion inhibition in mild steel

by Rajasekar V. Shyamala M. Aravind J.

Water and wastewater treatment and reuse

This study uses green, environmentally friendly methods to synthesize manganese oxide nanoparticles (MnO-NPs) that can be applied on mild steel as a safe and eco-friendly material with corrosion inhibition attributes. Mukia madaraspatana leaf extract is effective in the green synthesis of Mno-NPs...

green synthesis Manganese oxide nanoparticles +3 more

Volume 1 - Issue 3

Economic incentives in sustainable water management: a Risk-Based Decision Analysis approach for determining groundwater pollution charges under uncertainty

by

Mylopoulos Y.A. and Mylopoulos N.A.

Water and wastewater treatment and reuse

A risk-based decision analysis methodology is presented, that can be used as a water policy tool in the design of economic incentive instruments, under conditions of uncertainty. A contaminated groundwater resource system with unknown hydrogeological parameters is used as a case study. The polluter...

Sustainable Water Resources Management Economic Incentives +4 more

Volume 1 - Issue 2

Promotion by Sodium in emission control catalysis: The difference between alkanes and alkenes in the Pd-catalysed reduction of NO by hydrocarbons

by

Yentekakis I.V., Konsolaki M., Kiousis V., Lambert R.M. and Tikhov M.S.

Water and wastewater treatment and reuse

The activity and selectivity of Pd catalysts supported on YSZ and dosed with different amounts of Na promoter has been investigated for the reduction of NO by alkenes (C3H6) or alkanes (CH4). It is found that Na strongly promotes the reduction of NO by C3H6. Rate increases by an order of magnitude...

Sodium NO reduction +4 more