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William H. Suárez Quintana, Ramón O. García-Rico, Janet B. García-Martínez, Néstor A. Urbina-Suarez, Germán L. López-Barrera, Andrés F. Barajas-Solano and Antonio Zuorro
Two strains from high-altitude lakes showed an exciting capacity to produce carbohydrates, proteins, and lipids under an optimized C/N/P ratio.
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Mazen J. Al-Kheetan, Seyed Hamidreza Ghaffar, Said Awad, Mehdi Chougan, Juliana Byzyka and Mujib M. Rahman
Portland Cement Concrete (PCC) pavement was studied with incorporation of an environmentally friendly eco-additive, sodium acetate (C2H3NaO2). This additive was added to PCC pavement in three different percentages of 2%, 4% and 6% of binder weight. For a...
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Quanguo He, Jun Liu, Jing Liang, Xiaopeng Liu, Ziyu Ding, Du Tuo and Wen Li
Monodispersed magnetite (Fe3O4) nanospheres with hollow or porous interior structures were synthesized by a facile one-pot solvothermal route. The facile synthetic process was carried out by using iron (III) chloride hexahydrate (FeCl3·6H2O) as only ferr...
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Denise Andrade Silva, Juliana Krieger Oliveira, Clovis Marcelo Santos, Carla Crislan Souza Bery, Alessandra Almeida Castro, João Antônio Belarmino Santos
Pág. 569 - 573
This study aimed to evaluate the ripening of papaya fruit (Carica papaya L.) at room temperature (±25°C) and10°C with 80% relative humidity, coated with edible film based on sodium alginate (1%) and cellulose acetate film (3%) by dipping the fruit in the...
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Jianping Cao, Chaosheng Zhang, Hongwei Rong, Meihua Zhao, Wei Wei and Limin Zhao
The effects of different types and concentrations of electron donors (glucose, starch, methanol and sodium acetate) on the formation of phosphine from anaerobic activated sludge that has been domesticated for a prolonged period were studied in small batc...
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Jianping Cao, Chaosheng Zhang, Hongwei Rong, Meihua Zhao, Wei Wei, Limin Zhao
Pág. 1 - 10
The effects of different types and concentrations of electron donors (glucose, starch, methanol and sodium acetate) on the formation of phosphine from anaerobic activated sludge that has been domesticated for a prolonged period were studied in small batc...
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Ámbar Cerda, Macarena González, Carolina Rodríguez, Jennyfer Serrano and Eduardo Leiva
The excessive deposition of ammonium (reactive nitrogen) in the environment has led to losses of biodiversity and the eutrophication of ecosystems. Anthropogenic sources contribute twice the natural rate of terrestrial reactive nitrogen and provide about...
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M.C. Gagliano, S.B. Ismail, A.J.M. Stams, C.M. Plugge, ... J.B. Van Lier
Pág. 61 - 71
For the anaerobic biological treatment of saline wastewater, Anaerobic Digestion (AD) is currently a possibility, even though elevated salt concentrations can be a major obstacle. Anaerobic consortia and especially methanogenic archaea are very sensitive...
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Vadym Kovalenko,Valerii Kotok
Pág. 6 - 12
Nickel hydroxide is widely used as the active material in chemical power sources. The formation mechanism of nickel hydroxide includes two fast phases of the formation of an initial amorphous particle and slow aging (crystallization) stage. Characteristi...
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Yuanyuan Li, Sen Wang, Yue Li, Fanlong Kong, Houye Xi and Yanan Liu
Agricultural drainage water with a low C/N ratio restricts the nitrogen and phosphorus removal efficiencies of constructed wetlands. Thus, there is a need to add external carbon sources to drive the nitrogen and phosphorus removal. In this study, the eff...
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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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Liina Onga, Eneliis Kattel-Salusoo, Marina Trapido and Sergei Preis
The most widely used anti-inflammatory corticosteroid dexamethasone (DXM), frequently detected in waterbodies due to its massive consumption and incomplete removal in wastewater treatment processes, was experimentally studied for oxidation with gas-phase...
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Yinyan Chen, Peng Jin, Zhiwen Cui, Tao Xu, Ruojin Zhao and Zhanwang Zheng
Herein, we isolated Janthinobacterium svalbardensis F19 from sludge sediment. Strain F19 can simultaneously execute heterotrophic nitrification and aerobic denitrification under aerobic conditions. The organism exhibited efficient nitrogen removal at a C...
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Ning Guo, Jian Zhang, Hui-Jun Xie, Lin-Rui Tan, Jie-Ning Luo, Ze-Yu Tao, Shu-Guang Wang
Pág. 1 - 11
The present study investigated the effect of the food-to-microorganism (F/M) ratio on nitrous oxide (N2O) emissions in aerobic granular sludge sequencing batch airlift reactors. Three identical sequencing batch airlift reactors were fed with sodium aceta...
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Gerhard Eggert and Andrea Fischer
Many heritage objects consist of glass in contact with metals. By ion exchange with absorbed water, alkaline aqueous films are formed on the glass surface. They contain sodium and/or potassium, hydroxide, and carbonate (uptake of carbon dioxide) ions. Th...
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Nadav Hanegbi and Itzhak Katra
Soil erosion has environmental and socioeconomic significances. Loess soils cover about 10% of the global land area. Most of these soils are subjected to increased land uses such as unpaved roads, which increase soil destruction and dust emission to the ...
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Ge Qin, Hongyu Feng, Rendong Yu, Fuchao Zheng, Xufei Jiang, Lu Xia and Shuqing An
Pharmaceuticals and Personal Care Products (PPCPs) constitute a group of compounds that are challenging to break down and potentially pose risks to both ecosystems and human health when they accumulate in water bodies. This study established and operated...
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Julien Duboscq, Julia Vincent, Marc Jeannin, René Sabot, Isabelle Lanneluc, Sophie Sablé and Philippe Refait
The corrosion processes of carbon steel immersed in natural seawater are influenced by microorganisms due to important biological activity. An analysis of the corrosion product layers formed on carbon steel coupons in natural or artificial seawater revea...
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