Dewaterability enhancement and heavy metals immobilization by pig manure biochar addition during hydrothermal treatment of sewage sludge
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-019-04961-1
Abstract: Hydrothermal treatment (HTT) of sewage sludge (SS) with pig manure biochar (PMB) addition at 160–200 °C was conducted in this study. The effects of PMB addition on the dewaterability of SS and the speciation evolution, leaching… read more here.
Keywords: addition; hydrothermal treatment; heavy metals; pmb ... See more keywords
Enhancement of sludge dewaterability with filamentous fungi Talaromyces flavus S1 by depletion of extracellular polymeric substances or mycelium entrapment.
Sign Up to like & getrecommendations! Published in 2017 at "Bioresource technology"
DOI: 10.1016/j.biortech.2017.08.185
Abstract: This study was conducted to explore the mechanism of dewaterability improvement of waste activated sludge by the filamentous fungus Talaromyces flavus S1. When the fungal spores were inoculated to the sterilized sludge, the sludge dewaterability… read more here.
Keywords: sludge dewaterability; extracellular polymeric; mycelium; sludge ... See more keywords
Enhanced sludge dewaterability by a novel MnFe2O4-Biochar activated peroxymonosulfate process combined with Tannic acid
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.132280
Abstract: Abstract The high moisture content of sludge is a key factor limiting its subsequent treatment and disposal. Herein, a novel method of MnFe2O4-biochar (MFB) activated peroxymonosulfate (PMS) combined with tannic acid (TA) was conducted to… read more here.
Keywords: pms; sludge dewaterability; mnfe2o4 biochar; sludge ... See more keywords
Effective gel-like floc matrix destruction and water seepage for enhancing waste activated sludge dewaterability under hybrid microwave-initiated Fe(II)-persulfate oxidation process.
Sign Up to like & getrecommendations! Published in 2019 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2019.01.037
Abstract: Chemical conditioning before mechanical dewatering is an indispensable step to enhance the waste activated sludge (WAS) dewaterability and solid-liquid separation. Feasibility of utilizing Fe(II)/S2O82- oxidation integrated with microwave irradiation (MW) in improving gel-like floc destruction,… read more here.
Keywords: sludge dewaterability; oxidation; water; destruction ... See more keywords
Improved sludge dewaterability by tannic acid conditioning: Temperature, thermodynamics and mechanism studies.
Sign Up to like & getrecommendations! Published in 2019 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2019.05.046
Abstract: Waste activated sludge (WAS), containing biological pathogens, chemical elements and high moisture (>99%), was generated continually from municipal sewage treatment plants. Sludge dewatering could diminish the volume of WAS and control the diffusion of environmental… read more here.
Keywords: tannic acid; conditioning temperature; dewaterability; thermodynamics ... See more keywords
Synergistic pretreatment of CaO and freezing/thawing to enhance volatile fatty acids recycling and dewaterability of waste activated sludge via anaerobic fermentation.
Sign Up to like & getrecommendations! Published in 2021 at "Chemosphere"
DOI: 10.1016/j.chemosphere.2021.130939
Abstract: To avoid the generally deteriorated dewaterability of sludge in waste activated sludge (WAS) anaerobic acidogenesis, the combination of varied calcium oxide (CaO) dosage (i.e., 0.01-0.07 g/g TS) and freezing/thawing pretreatment (5 F/T cycles) was investigated for concurrently… read more here.
Keywords: waste activated; cao; activated sludge; pretreatment cao ... See more keywords
Waste activated sludge conditioning in a new Fe2+/persulfate/tannic acid process: Effectiveness and optimization study to enhance dewaterability
Sign Up to like & getrecommendations! Published in 2020 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2020.103785
Abstract: Abstract Fe2+/persulfate process can be used to improve sludge dewaterability significantly. However, a large dose of chemicals was always needed and it will cause filter cloth clogging, equipment corrosion and sludge calorific value reduction in… read more here.
Keywords: process; fe2 persulfate; sludge; dewaterability ... See more keywords
Dewaterability and energy consumption of electro-dewatered sludge near the anode and the cathode during electro-dewatering process
Sign Up to like & getrecommendations! Published in 2021 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2021.105729
Abstract: Abstract The difference of moisture distribution, physicochemical characteristics, and extracellular polymeric substances (EPS) properties of activated sludge between the anode and the cathode increases gradually during electro-dewatering (EDW) process. However, the dewatering efficiency of the… read more here.
Keywords: cathode; dewaterability; process; electro ... See more keywords
A unified operating procedure is crucial to evaluate sludge dewaterability, taking the setup of refrigerated storage time as an example.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of environmental management"
DOI: 10.1016/j.jenvman.2022.114528
Abstract: Although extensive efforts have been carried out to study sludge dewatering mechanism, the lack of universal operating procedures makes it never be satisfactorily explained. This study evaluated the impact of a unified operating procedure on… read more here.
Keywords: dewaterability; operating; sludge; storage time ... See more keywords
Comprehensive investigation of the relationship between organic content and waste activated sludge dewaterability.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of hazardous materials"
DOI: 10.1016/j.jhazmat.2020.122547
Abstract: The relationship between sludge organic fraction and its dewaterability is well known in practice. However, the formal study to reveal the underlying reason is limited. To improve understanding of the nature of organic content on… read more here.
Keywords: waste activated; content; activated sludge; dewaterability ... See more keywords
Calcium carbonate chain-like nanoparticles: Synthesis, structural characterization, and dewaterability
Sign Up to like & getrecommendations! Published in 2018 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.05.011
Abstract: Abstract In the present study, we demonstrate a simple technique to synthesize calcium carbonate chain-like nanoparticles with high aspect ratios; we introduced CO2 gas into aqueous slurry of calcium hydroxide (lime milk) with addition of… read more here.
Keywords: calcium carbonate; chain; chain like; dewaterability ... See more keywords