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Gabriela Toader, Daniela Pulpea, Aurel Diacon, Edina Rusen, Raluca Elena Ginghina, Traian Rotariu, Alice Ionela Podaru, Andreea Elena Moldovan, Maria Gavrilescu, Ana-Mihaela Gavrila and Bogdan Trica
This study presents the formulation and application of strippable coatings for the entrapment and removal of heavy metals (HMs) and radio nuclides (RNs). The ?green? formulations involve the use of a water-based solution consisting of a synthetic biodegr...
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Wen Dong, Ruichen Wang, Huaien Li, Xiao Yang, Jiake Li, Hui Wang, Chunbo Jiang and Zhe Wang
This study investigated the removal of cadmium (Cd) and lead (Pb) from the soil through phytoremediation using ryegrass combined with chelating agents. Soil leaching experiments were employed to determine the extraction efficiencies of chelating agents, ...
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Xuesong Cui, Minhui Xiao, Ran Tao, Rui Hu, Hans Ruppert, Willis Gwenzi and Chicgoua Noubactep
Granular metallic iron (gFe0) materials have been widely used for eliminating a wide range of pollutants from aqueous solutions over the past three decades. However, the intrinsic reactivity of gFe0 is rarely evaluated and existing methods for such evalu...
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Hassan Hadi Mehdi Al Rubaiy, Ammar Altemimi, Ali Khudair Jaber Al Rikabi, Naoufal Lakhssassi and Anubhav Pratap-Singh
The present study proposes microwave-assisted extraction as a sustainable technique for the biosynthesis of bioactive compounds from rice fermented with Aspergillus flavus (koji). First, fermentation conditions (i.e., pH from 3?12, five temperatures from...
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Lidiane Sabino da Silva, Gabriela Gonzaga Cher, Maria Auxiliadora Scaramelo Baldanza, Victor Luis dos Santos Teixeira da Silva, Pedro Augusto Arroyo
Pág. e45899
In the present work, the synthesis of Co/SBA-15 catalysts intended for Fischer-Tropsch (FT) synthesis was performed. During the synthesis of catalysts there was contamination of samples with sodium nitrate due to the nature of the reducing agent us...
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Hugo Sakamoto, Flávia M. Ronquim, Marcelo Martins Seckler and Luiz Kulay
This study aims to evaluate the environmental and energy effects of the reuse of 1.0 m³ of water in a cooling tower obtained from an oil refinery effluent. An arrangement comprising reverse osmosis (RO), evaporation (EV), and crystallization (CR) wa...
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Xi Zhang, Saiqi Zeng, Shibao Chen and Yibing Ma
Ethylenediaminetetraacetic acid (EDTA) is known to be a chelating agent and has been widely used for estimating the total extractable metals in soil. The effect of aging on EDTA-extractable cadmium (Cd) was investigated in five different soils at three C...
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Nadezda Stevulova, Julia Cigasova, Ivana Schwarzova, Alena Sicakova and Jozef Junak
This experimental study was focused on the application of a surface-modified hemp- hurds aggregate into composites using an alternative binder of MgO-cement. This paper presents the results of the comparative study of the parameters (chemical and physico...
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Alvaro Peña Neira, Mariona Gil Cortiella
Pág. 83 - 93
Obtaining polysaccharides from grape cell walls is an interesting topic for the wine industry given its implications with regards to wine treatments and potential sensory attributes. In the present work, several conditions (i.e., a chelating agent, pH, t...
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Ting Zhang, Jian He, Xingzhang Luo
Pág. 1 - 12
Due to the fact that not all eutrophic lakes have cyanobacteria blooms, we hypothesized Fe may be another important limiting factor which regulates cyanobacteria bloom formation. We tested the hypothesis by batch cultures of bloom-forming Cyanobacterium,...
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