scholarly journals Influence of LiCl aqueous solution concentration on the energetic performances of pure silica chabazite

2017 ◽  
Vol 41 (7) ◽  
pp. 2586-2592 ◽  
Author(s):  
L. Ronchi ◽  
A. Ryzhikov ◽  
H. Nouali ◽  
T. J. Daou ◽  
J. Patarin
Keyword(s):  
Aqueous Solution ◽  
Water System ◽  
Solution Concentration ◽  
Stored Energy ◽  
Pure Silica ◽  
System P

Stored energy is increased by a factor of 5.5 for the “Si-CHA–20 M aqueous LiCl” system compared to the “Si-CHA–water” system.

Temporal variability of disinfection by-products concentration in urban public water system

2013 ◽  
Vol 14 (4) ◽  
pp. 393-398
Keyword(s):  
Drinking Water ◽  
Water Samples ◽  
Temporal Variability ◽  
Water System ◽  
The Other ◽  
Major Constituent ◽  
System P ◽  
Public Water System ◽  
Drinking Water Samples ◽  
By Products

The occurrence of trihalomethanes (THMs) was studied in the drinking water samples from urban water supply network of Karachi city that served more than 18 million people. Drinking water samples were collected from 58 locations in summer (May-August) and winter (November-February) seasons. The major constituent of THMs detected was chloroform in winter (92.34%) and summer (93.07%), while the other THMs determined at lower concentrations. Summer and winter concentrations of total THMs at places exceed the levels regulated by UEPA (80 μg l-1) and WHO (100 μg l-1). GIS linked temporal variability in two seasons showed significantly higher median concentration (2.5%-23.06%) of THMs compared to winter.

Insights into the electrochemical degradation of phenolic lignin model compounds in protic ionic liquid-water system

2021 ◽  
Author(s):  
Guangyong Liu ◽  
Qian Wang ◽  
Dongxia Yan ◽  
Yaqin Zhang ◽  
Chenlu Wang ◽  
...  
Keyword(s):  
Water System ◽  
Value Added ◽  
Electrochemical Degradation ◽  
Aryl Ether ◽  
Model Compounds ◽  
Protic Ionic Liquid ◽  
Lignin Model Compounds ◽  
Mild Conditions ◽  
System P ◽  
Lignin Model

Cleavage of aryl ether (Caryl-O) bonds is crucial for conversion and value-added utilization of lignin and its derivatives, but remains extremely challenging under mild conditions due to strong Caryl-O linkages....

Removal of Cd(II) from Water System Using Novel Biosorbent Derived from Persimmon Fallen Leaves

2015 ◽  
Vol 1130 ◽  
pp. 685-688
Author(s):  
Rui Yi Fan ◽  
Qing Ping Yi ◽  
Qing Lin Zhang ◽  
Zheng Rong Luo
Keyword(s):  
Aqueous Solution ◽  
Metal Ions ◽  
Adsorption Capacity ◽  
Water System ◽  
Raw Material ◽  
Batch Adsorption ◽  
Diospyros Kaki ◽  
Cadmium Metal ◽  
Fallen Leaves ◽  
Adsorption Desorption

A biosorbent was prepared by treating the persimmon (Diospyros kaki Thunb.) fallen leaves with sodium hydroxide (NaOH). The NaOH concentration and stirring period for the preparation of the biosorbent were adjusted to optimise the Cd(I) adsorption capacity of the biosorbents. Removal of highly toxic Cadmium metal ions from water system using the optimal biosorbent named ‘NPFL’ was investigated using a mimic industrial column. The result showed that NPFL could remove Cd(II) in large quantities from aqueous solution with coexisting metal ions. The raw material, NPFL and Cd(II) loaded NPFL were characterized by SEM-EDS. The reusability of NPFL was also studied by batch adsorption-desorption test.

scholarly journals Removal of Metanil Yellow by Batch Biosorption from Aqueous Phase on Egg Membrane: Equilibrium and Isotherm Studies

2019 ◽  
Vol 2 (04) ◽  
pp. 15-26
Author(s):  
Beniah Obinna Isiuku ◽  
Francis Chizoruo Ibe
Keyword(s):  
Aqueous Solution ◽  
Correlation Coefficients ◽  
Batch Process ◽  
Solution Concentration ◽  
Isotherm Models ◽  
Egg Membrane ◽  
Metanil Yellow ◽  
Batch Biosorption ◽  
Best Fit ◽  
Hen Egg

The biosorption of metanil yellow on hen egg membrane from aqueous solution in a batch process was investigated at 29oC with a view to determine the potential of the membrane in removing metanil yellow from aqueous solution.  The effects of contact time, initial biosorbate concentration, biosorbent dosage and initial biosorbate pH were determined. Various isotherm models were used to analyze experimental data. The highest experimental equilibrium biosorption capacity obtained was 129.88 mg/g. The optimum pH was 3. Adsorption capacity increased with increase in initial solution concentration but decreased with increase in time. The isotherm models applied were good fits based on correlation coefficients. Flory-Huggins isotherm was the best fit (R2 0.986). The biosorption was endothermic, good, physisorptive and spontaneous. This work shows that hen egg membrane is a potential biosorbent for the removal of metanil yellow from aqueous solution.

Metal powder–pure water system for rational synthesis of metal oxide functional nanomaterials: a general, facile and green synthetic approach

RSC Advances ◽  
2016 ◽  
Vol 6 (41) ◽  
pp. 34507-34513 ◽  
Author(s):  
Lingjie Li ◽  
Jie Zhang ◽  
Jinglei Lei ◽  
Jing Xu ◽  
Peipei Liu ◽  
...  
Keyword(s):  
Metal Oxide ◽  
Metal Powder ◽  
Pure Water ◽  
Water System ◽  
Synthetic Approach ◽  
Functional Nanomaterials ◽  
System P

A general and facile approach for synthesis of metal oxide functional nanomaterials based upon a metal powder–pure water system.

scholarly journals Microbiological water quality in a decentralized Arctic drinking water system

2020 ◽  
Vol 6 (7) ◽  
pp. 1855-1868
Author(s):  
Stephanie L. Gora ◽  
Tim Anaviapik Soucie ◽  
Nicole E. McCormick ◽  
C. Carolina Ontiveros ◽  
Vincent L'Hérault ◽  
...  
Keyword(s):  
Drinking Water ◽  
Water System ◽  
Arctic Region ◽  
Water Source ◽  
Domestic Water ◽  
Point Of Use ◽  
System P ◽  
Drinking Water System ◽  
Microbiological Water Quality ◽  
Drinking Water Samples

Drinking water samples were collected from the water source, water delivery truck, domestic water storage tanks, and at the point of use in a decentralized drinking water system in Pond Inlet, Nunavut, a predominantly Inuit community in Canada's Arctic region.

Behavior of silver nanoparticles in wastewater: systematic investigation on the combined effects of surfactants and electrolytes in model systems

2018 ◽  
Vol 4 (12) ◽  
pp. 2146-2159 ◽  
Author(s):  
Ivona Capjak ◽  
Maja Zebić Avdičević ◽  
Maja Dutour Sikirić ◽  
Darija Domazet Jurašin ◽  
Amela Hozić ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Water System ◽  
Systematic Investigation ◽  
Model Systems ◽  
Combined Effects ◽  
Test Water ◽  
System P ◽  
The Stability

pH, electrolytes and surfactants affected the stability of AgNPs in artificial test water system.

scholarly journals Correlation between hydrogen yield and product distribution in algae conversion through an isopropanol/water system

RSC Advances ◽  
2018 ◽  
Vol 8 (67) ◽  
pp. 38614-38620 ◽  
Author(s):  
Chunze Liu ◽  
Liping Kong ◽  
Anaerguli Wufuer ◽  
Yuanyuan Wang ◽  
Liyi Dai
Keyword(s):  
Water System ◽  
Product Distribution ◽  
Hydrogen Yield ◽  
System P ◽  
Bio Oil ◽  
Hydrogen Selectivity

Catalytic liquefaction of algae to bio-oil through an isopropanol/water system and correlation between hydrogen selectivity and product distribution.

Three-dimensional water evaporation on a macroporous vertically aligned graphene pillar array under one sun

2018 ◽  
Vol 6 (31) ◽  
pp. 15303-15309 ◽  
Author(s):  
Panpan Zhang ◽  
Qihua Liao ◽  
Houze Yao ◽  
Huhu Cheng ◽  
Yaxin Huang ◽  
...  
Keyword(s):  
Evaporation Rate ◽  
Three Dimensional ◽  
Water System ◽  
Water Evaporation ◽  
Solar Water Heater ◽  
Water Heater ◽  
Wastewater Purification ◽  
Pillar Array ◽  
System P ◽  
Vertically Aligned

Three-dimensional water evaporation is proposed based on highly vertically ordered pillar array of graphene-assembled framework (HOPGF). A high evaporation rate of 2.10 kg m−2 h−1 is achieved (1 sun). This efficient SSG system has been applied to wastewater purification, solar water heater and housing self-supply water system.

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