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Article
Perfluoroalkyl acids in Daliao River system of northeast China: determination, distribution and ecological risk
Perfluoroalkyl acids (PFAAs) in Daliao River system were simultaneously determined by UPLC–MS/MS coupled with SPE for water samples and with ultrasonication extraction for sediments. All samples were collected...
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Article
Efficiency comparison for treatment of amantadine pharmaceutical wastewater by Fenton, ultrasonic, and Fenton/ultrasonic processes
Amantadine wastewater is quite recalcitrant to biological treatment because of the quite stable adamantine backbone. To improve amantadine wastewater biodegradability, the combined advanced oxidation process, ...
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Article
Several key factors influencing nitrogen removal performance of anammox process in a bio-filter at ambient temperature
Anaerobic ammonium oxidation (Anammox) was a recent discovery of new energy-efficient, microbiologically mediated nitrogen removal process, which was mainly used for the treatment of rich ammonium wastewater o...
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Article
Applying fluorescence spectroscopy and multivariable analysis to characterize structural composition of dissolved organic matter and its correlation with water quality in an urban river
Excitation–emission matrix fluorescence spectroscopy combined with multivariable analysis was employed to discriminate structural component of dissolved organic matter (DOM) in **he River, an urban river, loca...
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Article
Enhanced mineralization of antibiotic berberine by the photoelectrochemical process in presence of chlorides and its optimization by response surface methodology
As a broad-spectrum antibiotic, berberine is chemically produced mostly in Liao River Basin of China. In this paper, photoelectrochemical process in presence of chlorides was applied to the degradation of berb...
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Article
The effects and mechanism of alkalinity on the phosphate recovery from anaerobic digester effluent using dolomite lime
The alkalinity plays an important role in phosphate removal. Precipitate in the Mg2+–Ca2+–NH4 +–PO4 3− system has been researched to understand the phosphate recovery from anaerobi...
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Article
Treatment of simulated berberine wastewater by electrochemical process with Pt/Ti anode
The emergence of antibiotics in aquatic environment has led to an increasing concern about the potential environmental risks and the spread of antibacterial resistance among microorganisms. Electrochemical oxi...
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Article
Pilot-scale treatment of pharmaceutical berberine wastewater by Fenton oxidation
Fenton oxidation was used to treat the berberine finished mother liquor wastewater in pilot scale. To evaluate berberine and COD removal efficiency, the main factors, including pH, H2O2 dosage, Fe2+/H2O2 mass rat...
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Article
Removal of Cu2+ from aqueous solution using proton exchange membrane by Donnan dialysis process
In the context of increasing heavy metal pollution (e.g., Cu2+, Cd2+, Pb2+ and Zn2+) in Liao River Basin of China in recent years due to metallurgical refinery, this study investigated the removal of Cu2+ from aq...
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Article
Comparison between moving bed-membrane bioreactor and conventional membrane bioreactor systems. Part I: membrane fouling
The combination of moving bed biofilm reactor and traditional membrane bioreactor (MBR) shows great potential to be widely used in Liaohe River basin for wastewater treatment. The aim of this research is to co...
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Article
Waste water treatment and pollution control in the Liao River Basin
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Article
Chemometrics data of water quality and environmental heterogeneity analysis in Pu River, China
Pu River is a typical tributary of Liao River basin; in order to investigate water quality variations at different times and spaces in Pu River, the multivariate statistical method was used to analyze 12 water...
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Article
Treatment of berberine hydrochloride pharmaceutical wastewater by O3/UV/H2O2 advanced oxidation process
O3/UV/H2O2 advanced oxidation process (AOP) was employed to degrade antibiotic berberine hydrochloride (BH) in pharmaceutical wastewater. The effects of initial solution pH, H2O2 dosage and O3 dosage on the berbe...
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Article
PHREEQC program-based simulation of magnesium phosphates crystallization for phosphorus recovery
To reveal the effects of solution conditions on the crystallization of magnesium phosphates during phosphorus recovery from wastewater, the geochemical aquatic modeling program PHREEQC (version 2.11) was appl...
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Article
Risk assessment methodology for Shenyang Chemical Industrial Park based on fuzzy comprehensive evaluation
Risk assessment methodology for chemicals in Shenyang Chemical Industrial Park (SCIP) was established from the realities of frequent environmental pollution emergencies, just for the sake of quantitatively des...
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Article
Removal and recovery of amantadine from water by liquid–liquid extraction
Liquid–liquid extraction (LLE) was firstly introduced for the removal and recovery of amantadine from its aqueous solution. The effects of process conditions, including different types of extractants and dilue...
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Article
Efficient biological nitrogen removal by Johannesburg-Sulfur autotrophic denitrification from low COD/TN ratio municipal wastewater at low temperature
A novel system integrating Johannesburg (JHB) and sulfur autotrophic denitrification (SAD) process was proposed to enhance nitrogen removal in treating low COD/TN ratio (COD 129 mg/L, TN 29 mg/L on average) mu...
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Article
Combination of Fenton oxidation and sequencing batch membrane bioreactor for treatment of dry-spun acrylic fiber wastewater
Dry-spun acrylic fiber (DAF) is typically synthesized by the polymerization of acrylonitrile (AN) monomers under high-temperature conditions. DAF manufacturing factories produce DAF polymerization and AN manuf...
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Article
Simultaneous organic carbon and nitrogen removal from refractory petrochemical dry-spun acrylic fiber wastewater by hybrid A/O-MBR process
To improve the efficiency of the existing plant for refractory petrochemical dry-spun acrylic fiber (DAF) wastewater treatment, a pilot-scale hybrid anoxic/oxic-membrane bioreactor (A/O-MBR) system with multi-...
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Article
Characterization of the composition of water DOM in a surface flow constructed wetland using fluorescence spectroscopy coupled with derivative and PARAFAC
This study was conducted to discuss fluorescence spectroscopic properties of water dissolved organic matter (DOM) in a large-scale constructed wetland and to reveal the composition and humification degree. Fou...