FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1994400553> ?p ?o ?g. }

• W1994400553 endingPage "185" @default.
• W1994400553 startingPage "171" @default.
• W1994400553 abstract "Lime-based stabilization/solidification (S/S) can be an effective remediation alternative for the immobilization of arsenic (As) in contaminated soils and sludges. However, the exact immobilization mechanism has not been well established. Based on previous research, As immobilization could be attributed to sorption and/or inclusion in pozzolanic reaction products and/or the formation of calcium–arsenic (Ca–As) precipitates. In this study, suspensions of lime–As and lime–As–kaolinite were studied in an attempt to elucidate the controlling mechanism of As immobilization in lime treated soils. Aqueous lime–As suspensions (slurries) with varying Ca/As molar ratios (1:1, 1.5:1, 2:1, 2.5:1 and 4:1) were prepared and soluble As concentrations were determined. X-Ray diffraction (XRD) analyses were used to establish the resulting mineralogy of crystalline precipitate formation. Depending on the redox state of the As source, different As precipitates were identified. When As (III) was used, the main precipitate formation was Ca–As–O. With As(V) as the source, Ca4(OH)2(AsO4)24H2O formed at Ca/As molar ratios greater than 1:1. A significant increase in As (III) immobilization was observed at Ca/As molar ratios greater than 1:1. Similarly, a substantial increase in As (V) immobilization was noted at Ca/As molar ratios greater than or equal to 2.5:1. This observation was also confirmed by XRD. Lime–As–kaolinite slurries were also prepared at different Ca/As molar ratios. These slurries were used to specifically investigate the possibility of forming pozzolanic reaction products. Such products would immobilize As by sorption and/or inclusion along with the formations of different As precipitates. Toxicity Characteristic Leaching Procedure (TCLP) tests were used to evaluate As leachability in these slurries. XRD analyses revealed no pozzolanic reaction product formation. Instead, As immobilization was found to be precipitation controlled. The same Ca–As precipitate, Ca–As–O, identified in the lime–As slurries, was also identified when As (III) was used as the As source, at Ca/As molar ratios greater than or equal to 2.5:1. When As (V) was used as the contamination source in the lime–As–kaolinite slurries, the formation of NaCaAsO47.5H2O was observed. The effectiveness of both As (III) and As (V) immobilization in these slurries appeared to increase with increasing Ca/As molar ratios." @default.
• W1994400553 created "2016-06-24" @default.
• W1994400553 creator A5036875371 @default.
• W1994400553 creator A5054207497 @default.
• W1994400553 creator A5067676539 @default.
• W1994400553 date "2004-09-01" @default.
• W1994400553 modified "2023-10-10" @default.
• W1994400553 title "Arsenic immobilization by calcium–arsenic precipitates in lime treated soils" @default.
• W1994400553 cites W1241636027 @default.
• W1994400553 cites W1552714455 @default.
• W1994400553 cites W1693096119 @default.
• W1994400553 cites W1774720027 @default.
• W1994400553 cites W1965375933 @default.
• W1994400553 cites W1973962897 @default.
• W1994400553 cites W1975161818 @default.
• W1994400553 cites W1976404528 @default.
• W1994400553 cites W1979019066 @default.
• W1994400553 cites W1982010947 @default.
• W1994400553 cites W1983279987 @default.
• W1994400553 cites W2005504783 @default.
• W1994400553 cites W2012005435 @default.
• W1994400553 cites W2043226393 @default.
• W1994400553 cites W2049207493 @default.
• W1994400553 cites W2065064265 @default.
• W1994400553 cites W2079384764 @default.
• W1994400553 cites W2084541304 @default.
• W1994400553 cites W2087823814 @default.
• W1994400553 cites W2090820423 @default.
• W1994400553 cites W2092135162 @default.
• W1994400553 cites W2152575847 @default.
• W1994400553 cites W873073287 @default.
• W1994400553 doi "https://doi.org/10.1016/j.scitotenv.2004.03.016" @default.
• W1994400553 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/15325167" @default.
• W1994400553 hasPublicationYear "2004" @default.
• W1994400553 type Work @default.
• W1994400553 sameAs 1994400553 @default.
• W1994400553 citedByCount "173" @default.
• W1994400553 countsByYear W19944005532012 @default.
• W1994400553 countsByYear W19944005532013 @default.
• W1994400553 countsByYear W19944005532014 @default.
• W1994400553 countsByYear W19944005532015 @default.
• W1994400553 countsByYear W19944005532016 @default.
• W1994400553 countsByYear W19944005532017 @default.
• W1994400553 countsByYear W19944005532018 @default.
• W1994400553 countsByYear W19944005532019 @default.
• W1994400553 countsByYear W19944005532020 @default.
• W1994400553 countsByYear W19944005532021 @default.
• W1994400553 countsByYear W19944005532022 @default.
• W1994400553 countsByYear W19944005532023 @default.
• W1994400553 crossrefType "journal-article" @default.
• W1994400553 hasAuthorship W1994400553A5036875371 @default.
• W1994400553 hasAuthorship W1994400553A5054207497 @default.
• W1994400553 hasAuthorship W1994400553A5067676539 @default.
• W1994400553 hasConcept C107054158 @default.
• W1994400553 hasConcept C121332964 @default.
• W1994400553 hasConcept C127313418 @default.
• W1994400553 hasConcept C13965031 @default.
• W1994400553 hasConcept C150394285 @default.
• W1994400553 hasConcept C153294291 @default.
• W1994400553 hasConcept C159390177 @default.
• W1994400553 hasConcept C159750122 @default.
• W1994400553 hasConcept C159985019 @default.
• W1994400553 hasConcept C161790260 @default.
• W1994400553 hasConcept C178790620 @default.
• W1994400553 hasConcept C179104552 @default.
• W1994400553 hasConcept C184651966 @default.
• W1994400553 hasConcept C185592680 @default.
• W1994400553 hasConcept C191897082 @default.
• W1994400553 hasConcept C192562407 @default.
• W1994400553 hasConcept C199289684 @default.
• W1994400553 hasConcept C2778218555 @default.
• W1994400553 hasConcept C2779563543 @default.
• W1994400553 hasConcept C2779899878 @default.
• W1994400553 hasConcept C2994067411 @default.
• W1994400553 hasConcept C502230775 @default.
• W1994400553 hasConcept C519063684 @default.
• W1994400553 hasConcept C58445606 @default.
• W1994400553 hasConcept C94293008 @default.
• W1994400553 hasConceptScore W1994400553C107054158 @default.
• W1994400553 hasConceptScore W1994400553C121332964 @default.
• W1994400553 hasConceptScore W1994400553C127313418 @default.
• W1994400553 hasConceptScore W1994400553C13965031 @default.
• W1994400553 hasConceptScore W1994400553C150394285 @default.
• W1994400553 hasConceptScore W1994400553C153294291 @default.
• W1994400553 hasConceptScore W1994400553C159390177 @default.
• W1994400553 hasConceptScore W1994400553C159750122 @default.
• W1994400553 hasConceptScore W1994400553C159985019 @default.
• W1994400553 hasConceptScore W1994400553C161790260 @default.
• W1994400553 hasConceptScore W1994400553C178790620 @default.
• W1994400553 hasConceptScore W1994400553C179104552 @default.
• W1994400553 hasConceptScore W1994400553C184651966 @default.
• W1994400553 hasConceptScore W1994400553C185592680 @default.
• W1994400553 hasConceptScore W1994400553C191897082 @default.
• W1994400553 hasConceptScore W1994400553C192562407 @default.
• W1994400553 hasConceptScore W1994400553C199289684 @default.
• W1994400553 hasConceptScore W1994400553C2778218555 @default.
• W1994400553 hasConceptScore W1994400553C2779563543 @default.
• W1994400553 hasConceptScore W1994400553C2779899878 @default.

• next