Fluorescence properties of humic substances transformed in ectohumus horizons of Podzols affected by alkaline fly‐ash

2021 ◽  
Author(s):  
Lilla Mielnik ◽  
Jerzy Weber ◽  
Marek Podlasiński ◽  
Andrzej Kocowicz
Keyword(s):  
Fly Ash ◽  
Humic Substances ◽  
Fluorescence Properties

scholarly journals Biofunctional Characteristics of Lignite Fly Ash Modified by Humates: A New Soil Conditioner

2010 ◽  
Vol 2010 ◽  
pp. 1-8 ◽  
Author(s):  
Konstantinos Chassapis ◽  
Maria Roulia ◽  
Evangelia Vrettou ◽  
Despina Fili ◽  
Monica Zervaki
Keyword(s):  
Fly Ash ◽  
Humic Substances ◽  
Isotherm Models ◽  
Soil Conditions ◽  
Lignite Fly Ash ◽  
Host Materials ◽  
Agricultural Applications ◽  
High Sorption ◽  
Microbial Cultivation ◽  
Shed Light

Fly ash superficially modified with humic substances from the Megalopolis lignitic power plant was prepared and evaluated for agricultural uses. UV-vis spectrophotometry and IR spectroscopy revealed that fly ash shows high sorption efficiency towards humic substances. Adsorption proceeds stepwise via strong Coulombic and hydrophophic forces of attraction between guest and host materials. Langmuir, Freundlich, BET, Harkins-Jura, and Dubinin-Radushkevich isotherm models were employed to evaluate the ongoing adsorption and shed light to the physicochemical properties of the sorbent-adsorbate system. Humic substances desorption and microbial cultivation experiments were also carried out to examine the regeneration of the humates under washing and explore the possibility of this material acclimatizing in real soil conditions, both useful for biofunctional agricultural applications.

The relationship between molecular composition and fluorescence properties of humic substances

2017 ◽  
Vol 14 (4) ◽  
pp. 867-880 ◽  
Author(s):  
M. Ateia ◽  
J. Ran ◽  
M. Fujii ◽  
C. Yoshimura
Keyword(s):  
Humic Substances ◽  
Molecular Composition ◽  
Fluorescence Properties ◽  
The Relationship

Effects of heat treatment on fluorescence properties of humic substances from sandy soil in arid land and their Hg(II) binding behaviors

2011 ◽  
Vol 66 (8) ◽  
pp. 2273-2279 ◽  
Author(s):  
Qinglong Fu ◽  
Xiangliang Pan ◽  
Daoyong Zhang ◽  
Bin Zhou
Keyword(s):  
Heat Treatment ◽  
Humic Substances ◽  
Sandy Soil ◽  
Arid Land ◽  
Fluorescence Properties

Combined UV–Vis absorbance and fluorescence properties of extracted humic substances-like for characterization of composting evolution of domestic solid wastes

Geoderma ◽  
2009 ◽  
Vol 151 (3-4) ◽  
pp. 61-67 ◽  
Author(s):  
Faustino E. Morán Vieyra ◽  
Valeria I. Palazzi ◽  
María I. Sanchez de Pinto ◽  
Claudio D. Borsarelli
Keyword(s):  
Humic Substances ◽  
Solid Wastes ◽  
Fluorescence Properties

Characterization of lead-bearing phases in municipal waste combustor fly ash

1996 ◽  
Vol 54 ◽  
pp. 516-517
Author(s):  
L. L. Sutter ◽  
G. R. Dewey ◽  
J. F. Sandell
Keyword(s):  
Fly Ash ◽  
Bottom Ash ◽  
Municipal Waste ◽  
Primary Concern ◽  
Leaching Behavior ◽  
Waste Combustion ◽  
Lead And Cadmium ◽  
Lead Speciation ◽  
Accepted Practice

Municipal waste combustion typically involves both energy recovery as well as volume reduction of municipal solid waste prior to landfilling. However, due to environmental concerns, municipal waste combustion (MWC) has not been a widely accepted practice. A primary concern is the leaching behavior of MWC ash when it is stored in a landfill. The ash consists of a finely divided fly ash fraction (10% by volume) and a coarser bottom ash (90% by volume). Typically, MWC fly ash fails tests used to evaluate leaching behavior due to high amounts of soluble lead and cadmium species. The focus of this study was to identify specific lead bearing phases in MWC fly ash. Detailed information regarding lead speciation is necessary to completely understand the leaching behavior of MWC ash.

Cation Binding by Humic Substances

2002 ◽  
Author(s):  
Edward Tipping
Keyword(s):  
Humic Substances ◽  
Cation Binding

INFLAMMATION, CHEMOKINE EXPRESSION, AND DEATH IN MONOCROTALINE-TREATED RATS FOLLOWING FUEL OIL FLY ASH INHALATION

1997 ◽  
Vol 9 (6) ◽  
pp. 541-565 ◽  
Author(s):  
Cheryl R. Killingsworth ◽  
Francesca Alessandrini ◽  
G. G. Krishna Murthy ◽  
Paul J. Catalano ◽  
Joseph D. Paulauskis ◽  
...  
Keyword(s):  
Fly Ash ◽  
Fuel Oil ◽  
Chemokine Expression ◽  
Oil Fly Ash

Fluorescence properties and stimulated emission in substituted europium chelates

1967 ◽  
Vol 64 ◽  
pp. 173-182 ◽  
Author(s):  
Erhard J. Schimitschek ◽  
Richard B. Nehrich Jr ◽  
John A. Trias
Keyword(s):  
Stimulated Emission ◽  
Fluorescence Properties ◽  
Europium Chelates
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