Hexavalent chromium removal by Osage Orange

Pehlivan, Erol; Kahraman, Havva Tutar

doi:10.1016/j.foodchem.2012.02.037

Cited by 39 publications

(35 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…al. 2012 [35] en un estudio de bioadsorción de Cr (VI) usando naranjo de Luisiana (Osage orange), donde se analizó el tiempo de contacto, pH, concentración inicial de contaminante y cantidad de bioadsorbente. Ellos encontraron una remoción de 78 % para la cáscara de naranja con pH similar al del presente trabajo.…”

Section: Resultados Estudio De La Eficiencia De Remoción De Cr (Vi) Uunclassified

See 1 more Smart Citation

Evaluación De Residuos Agroindustriales Como Biofiltros: Remoción De Cr (Vi) en Efluentes De Curtiembres Sintéticos

Martínez¹,

Peña

Erazo

et al. 2017

BSAA

View full text Add to dashboard Cite

RESUMEN Se estima que el 85% de los insumos químicos usados por las industrias de curtiembres europeas para producir 1000 kg de cuero crudo se vierten a los afluentes de recurso hídrico en forma de contaminantes, entre ellos el Cromo VI (Cr (VI)) ABSTRACT In order to produce 1000 kg of leather, it is estimated of 85% of chemical input, used by European tanning plants, is discharged as contaminant. Among of them, Cr (VI), this is a toxic compound of easy adsorption. In that sense, the present work is focused on the removal of Cr (VI) in synthetic solution prepared from Cr (VI) estimated concentration found in wastewater sample discharged by tanning industries (Cr (VI): 32,6 mg/kg). Thus, five filters packed with orange (Citrus sinensis) and plantain (Musa AAB) peels were used in laboratory scale PALABRAS CLAVE:Biofiltro, Cromo VI, Cáscaras de plátano (Musa AAB) y naranja (Citrus sinensis), Metales pesados.

show abstract

Section: Resultados Estudio De La Eficiencia De Remoción De Cr (Vi) Uunclassified

“…Las cáscaras de plátano y naranja fueron recolectadas en la plaza de mercado del barrio Bolívar en la ciudad de Popayán (2.4448° N, 76.6147° W) y fueron preparadas con base en los procedimientos sugeridos por [35] en las siguientes etapas: selección de la biomasa, limpieza, secado, reducción y clasificación por tamaños.…”

Section: Preparación Del Bioadsorbenteunclassified

Evaluación De Residuos Agroindustriales Como Biofiltros: Remoción De Cr (Vi) en Efluentes De Curtiembres Sintéticos

Martínez¹,

Peña

Erazo

et al. 2017

BSAA

View full text Add to dashboard Cite

show abstract

“…Results from the literature show that the percentage of metals removal by the biosorbents heavily depends on pH. Removal of Cr (VI) increased from 70% to 78% when pH ranged from 1.5 to 2.0 using 0.1 g Osage orange as biosorbent [14]. Figure 2 shows that okra powder decreased turbidity from 100 NTU to 25 NTU in 1 minute (75 % turbidity removal).…”

Section: Effect Of Dose Of Okra Powder and Ph At Iron Ions Removalmentioning

confidence: 98%

“…The okra powder is composed of organic substances that account for groups such as polyphenol and carboxyl and serves as actives sites for binding the metal ion [28]. For being rich in phenolic compounds and carboxylic, it can behave as active sites [14] for binding Fe(III) [27], favoring the formation of flocs and causing reduction of suspended solids.…”

Section: Analysis Of Suspended Solids Removalmentioning

confidence: 99%

See 1 more Smart Citation

Removal of Turbidity, Suspended Solids and Ions of Fe from Aqueous Solution using Okra Powder by Coagulation-Flocculation Process

Jesus¹,

Cruz²,

Pacífico³

et al. 2014

AJWR

View full text Add to dashboard Cite

This work evaluates the efficiency of okra powder in removing turbidity, suspended solids and ions of Fe from synthetic raw water through coagulation-flocculation process. The raw water samples with initial turbidity of 100 NTU were prepared using natural red clay (-32+100 mesh particle size). The jar tests were carried out by varying the pH and the dose of okra powder. The initial pH 8.0 of synthetic raw water and 30 mgL -1 okra powder caused 80.92% reduction of Fe ions and 99% turbidity removal after 10 minutes of sedimentation. The efficiency of Fe the removal was evaluated by characterization EDX sludge formed after sedimentation with and without okra powder and the jar tests were carried out using a solution of ferric sulfate as the coagulating agent.

show abstract

Synthesis and characterization of novel twin‐tailed hydrophobically associated copolymers and their applications to Cr(III) removal from aqueous solutions

Kuang

Gao

2014

J of Applied Polymer Sci

View full text Add to dashboard Cite

Water pollution is one of the most serious environmental problems facing society. The objective of this study was to provide an efficient and inexpensive way of removing Cr(III) from polluted water. Novel twin‐tailed hydrophobically associating copolymers (PAAD) were prepared by micellar copolymerization of acrylamide (AM) and sodium 2‐acrylamido‐2‐methylpropane sulfonate with N,N‐dibutylmethacrylamide in an aqueous solution. The PAAD series, comprising copolymers of different molecular weights (ranged from 1.42 to 1.78 × 106 g/mol) and compositions was characterized by gel permeation chromatography–multiangle laser light scattering, 1H NMR and FTIR spectroscopy, and elemental analysis. The surface activity, morphology, and aggregation properties of PAAD samples were measured by surface tension and dynamic light scattering. A schematic representation of the formation of Cr(OH)3 and its precipitation using PAAD samples as coagulant aid is discussed in the article. In addition, the Cr(OH)3–copolymer interaction, as investigated by precipitation experiments, demonstrated that these copolymers have good Cr(OH)3 binding capacity and potential as coagulant aid for the removal of Cr(III) from polluted water. © 2014 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 41028.

show abstract

Hexavalent chromium removal by Osage Orange

Cited by 39 publications

References 26 publications

Evaluación De Residuos Agroindustriales Como Biofiltros: Remoción De Cr (Vi) en Efluentes De Curtiembres Sintéticos

Evaluación De Residuos Agroindustriales Como Biofiltros: Remoción De Cr (Vi) en Efluentes De Curtiembres Sintéticos

Removal of Turbidity, Suspended Solids and Ions of Fe from Aqueous Solution using Okra Powder by Coagulation-Flocculation Process

Synthesis and characterization of novel twin‐tailed hydrophobically associated copolymers and their applications to Cr(III) removal from aqueous solutions

Contact Info

Product

Resources

About