Results 131 to 140 of about 5,243,021 (356)

Synergism and Radicals Dynamics in the Efficient Degradation of Basic Blue 41 via UV/Chlorine Process: Dependence on Processing Conditions

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The UV/chlorine process, a promising advanced oxidation process, demonstrates remarkable synergism and radical dynamics for the efficient degradation of Basic Blue 41 (BB41). This study investigates the effects of processing conditions, including solution temperature (25°C–45°C), pollutant dose (10–40 mg/L), chlorine concentration (100–1000 μM)
Mounia Tidjani, Aissa Dehane, Slimane Merouani, Chawki Djelloul, Oualid Hamdaoui   +4 more
wiley   +1 more source

The Role of Concentration and Solvent Character in the Molecular Organization of Humic Acids

Molecules, 2016
The molecular organization of humic acids in different aqueous solutions was studied over a wide concentration range (0.01–10 g·dm−3). Solutions of humic acids were prepared in three different media: NaOH, NaCl, and NaOH neutralized by HCl after ...
Martina Klučáková, Kateřina Věžníková   +1 more
doaj   +1 more source

Carbon storage and DNA absorption in allophanic soils and paleosols [PDF]

, 2014
Andisols and andic paleosols dominated by the nanocrystalline mineral allophane sequester large amounts of carbon (C), attributable mainly to its chemical bonding with charged hydroxyl groups on the surface of allophane together with its physical ...
DJ Lowe, DT Strong, E Paget, ET Elliott, F Kizewski, F Ohashi, GJ Churchman, H Blanco-Canqui, I Basile-Doelsch, J Harsh, J Lehmann, J Lehmann, J Lehmann, J McCarthy, J Wan, K Saeki, K Saeki, L Bakker, M Calabi-Floody, M Kleber, MP Greaves, MWI Schmidt, NH Batjes, P Buurman, P Cai, P Cai, PA McDaniel, RA Dahlgren, RL Parfitt, RL Parfitt, SR Sutton, T Chevallier   +31 more
core   +2 more sources

Mechanistic Insights Into Photocatalytic Materials for Toxic Pollutants: Environmental Remediation of Personal Care Products

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Photocatalytic materials have emerged as promising solutions for environmental applications due to their ability to degrade organic pollutants under sunlight or artificial light. In this review, recent progress on the photocatalytic materials used for the degradation of pharmaceutical personal care products (PPCPs) in environmental ...
Urvashi Sen, Gunjan Chauhan, Surbhi Soni, Monika Vats, Anand Kumar, Indra Bahadur   +5 more
wiley   +1 more source

Magnetic Pinecone Biochar‐Activated Peroxymonosulfate for Efficient Sulfamethoxazole Degradation: Performance, Mechanism, and Toxicity Analysis

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study successfully prepared magnetic iron/cobalt codoped biochar catalyst (CFSBC) using a one‐step calcination method. The morphology and structure of the material were systematically characterized using SEM, XRD, FTIR, TEM, BET, Raman, VSM, and XPS techniques. The effects of key parameters such as catalyst dosage, peroxymonosulfate (PMS)
Jianhua Ni, Haoyuan Zheng, Guishang Sheng, Xi Zhang   +3 more
wiley   +1 more source

TLC Determination of Aquatic Humic Acids

Water Science and Technology, 1992
Humic acids are mostly determined by spectroscopic methods, although they are not accurate enough, because humic acids possess no maximum absorption at any wavelength in the ultraviolet and visible spectrum. In this contribution the accurate and precise method for aquatic humic acids determination, using thin layer chromatography, was worked out ...
Kaštelan-Macan, Marija, Cerjan-Stefanović, Štefica, Jalšovec, Dražen   +2 more
openaire   +3 more sources

The Properties of Humic Acids Extracted from Four Sources of Organic Matters and Their Ability to Bind Fe2+ at New Established Rice Field

Journal of Tropical Soils, 2010
In order to identify the properties of humic acid extracted from four kinds of organic matters (a peat soil, a stable manure, a compost of rice straw and a municipal waste) and their potentiality to bind Fe2+ at new established rice field, a series of ...
Herviyanti, Teguh Budi Prasetyo, Fachri Ahmad, Darmawan   +3 more
doaj  

Influence of Humic Acids on the Growth of the Microorganisms Utilizing Toxic Compounds (Comparison between Yeast and Bacteria)

CHIMIA, 2005
Humic acids, a heterogenic group of natural organic macromolecules with a complex polymeric structure, form a significant part of the soil and water environment.
Dagmar Feifičová, Jaroslav Šnajdr, Martina Siglová, Alena Čejková, Jan Masák, Vladimír Jirků   +5 more
doaj   +1 more source

Fe(II)/Chlorine‐Driven Advanced Oxidation of Textile Dyes in a Tubular Microreactor: Continuous‐Flow Performance and Matrix Effects

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT The Fe(II)/chlorine system has emerged as a promising advanced oxidation technology for water treatment, yet its application in continuous‐flow systems remains unexplored. This study presents the first comprehensive investigation of the Fe(II)/chlorine process in a tubular microreactor, a setup that significantly enhances mass transfer and ...
Abderrahmane Talbi, Slimane Merouani, Aissa Dehane   +2 more
wiley   +1 more source

Effect of membrane character and solution chemistry on microfiltration performance [PDF]

, 2008
To help understand and predict the role of natural organic matter (NOM) in the fouling of low-pressure membranes, experiments were carried out with an apparatus that incorporates automatic backwashing and long filtration runs.
Allpike, Amy, Avena, B. Allpike, B.A. Bolto, Bolto, Braghetta, C.B. Ritchie, Carroll, Chang, Cho, Costa, Croué, F. Busetti, Farahbakhsh, Gray, Howe, Jucker, Kim, Kimura, Laîné, Laîné, Lee, Lee, Leenheer, Lin, P. Greenwood, Piccolo, S.R. Gray, Schäfer, T. Tran, Taniguchi, Tran, Zularisam   +33 more
core   +1 more source