[HTML][HTML] The influence of the quantity and quality of sediment organic matter on the potential mobility and toxicity of trace elements in bottom sediment

A Baran, M Mierzwa-Hersztek, K Gondek… - … geochemistry and health, 2019 - Springer
Abstract Knowledge on the fraction of trace elements in the bottom sediments is a key to
understand their mobility and ecotoxicological impact. The purpose of this study was to …

Gd (III)-doped carbon dots as a dual fluorescent-MRI probe

AB Bourlinos, A Bakandritsos, A Kouloumpis… - Journal of Materials …, 2012 - pubs.rsc.org
We describe the synthesis of Gd (III)-doped carbon dots as dual fluorescence-MRI probes for
biomedical applications. The derived Gd (III)-doped carbon dots show uniform particle size …

褐煤腐植酸的结构, 组成及性质的研究进展

李艳红, 庄锐, 张政, 赵文波, 王平艳, 夏举佩, 李国斌 - 化工进展, 2015 - hgjz.cip.com.cn
综述了从褐煤中提取腐植酸的方法, 腐植酸结构, 组成以及生产腐植酸磷肥的研究进展.
预处理褐煤可提高腐植酸的萃取率, 但需要解决其经济性问题. 常用气相渗透压法和凝胶渗透 …

Valorization of lignite wastes into humic acids: Process optimization, energy efficiency and structural features analysis

E Sarlaki, AS Paghaleh, MH Kianmehr, KA Vakilian - Renewable Energy, 2021 - Elsevier
The present work investigates the optimization of humic acids (HAs) production from lignite
processing wastes using a developed mechanical agitated (MA) tank reactor based on the …

[HTML][HTML] Changes in the soil hydrophobicity and structure of humic substances in sandy soil taken out of cultivation

L Mielnik, E Hewelke, J Weber, L Oktaba… - Agriculture, Ecosystems …, 2021 - Elsevier
The aim of the research was to determine how abandoning agricultural land affects soil
hydrophobicity and humic substances structure, with a special emphasis on fluorescent …

Extraction and purification of humic acids from lignite wastes using alkaline treatment and membrane ultrafiltration

E Sarlaki, AS Paghaleh, MH Kianmehr… - Journal of Cleaner …, 2019 - Elsevier
The cleaner production of high purity and safe humic acid (HA) with very low concentration
of heavy metals leads to achieve a final product with potential economic value in agriculture …

Highly humified nitrogen-functionalized lignite activated by urea pretreatment and ozone plasma oxidation

E Sarlaki, MH Kianmehr, M Ghorbani… - Chemical Engineering …, 2023 - Elsevier
A cost-effective and energy-efficient nitro-humification process (urea pretreatment and
ozone plasma oxidation) was developed for nitrogen functionalization and activation of the …

Humic-like acids from hydrochars: Study of the metal complexation properties compared with humic acids from anthropogenic soils using PARAFAC and time-resolved …

JV Dos Santos, LG Fregolente, AB Moreira… - Science of the Total …, 2020 - Elsevier
Humic acids (HA) play an important role in the distribution, toxicity, and bioavailability of
metals in the environment. Humic-like acids (HLA) that simulate geochemical processes can …

Spatial distribution and composition of aliphatic hydrocarbons, polycyclic aromatic hydrocarbons and hopanes in superficial sediments of the coral reefs of the Persian …

AR Jafarabadi, AR Bakhtiari, M Aliabadian… - Environmental …, 2017 - Elsevier
This study is the first quantitative report on petroleum biomarkers from the coral reefs
systems of the Persian Gulf. 120 reef surface sediment samples from ten fragile coral reef …

[PDF][PDF] Chemical, spectral and morphological characterization of humic acids extracted and membrane purified from lignite

E Sarlaki, AS Paghaleh, MH Kianmehr… - Chem. Chem …, 2020 - science.lpnu.ua
1 In this study, humic substances were extracted from lignite of Zarand coalfields, Kerman,
Iran, using a stirred batch reactor. A membrane ultrafiltration system was used to purify …