Chromium removal in tannery wastewaters “polishing” by Pinus sylvestris bark

Alves, M. Margarida; Beca, C. G. Gonzalez; Carvalho, Rita; Castanheira, J.M.; Pereira, Martinha; Vasconcelos, L.A.T.

doi:10.1016/0043-1354(93)90220-c

Cited by 113 publications

(2 citation statements)

References 5 publications

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“…Although the concentration of the other metals in the sludge are below the permitted level, the over‐load Cr is further evidence that the use of such sludge in agriculture should be restricted[20]. The recommendation for the recovery of chromium from the tannery sludge[3, 13, 19] is strongly confirmed.…”

Section: Resultsmentioning

confidence: 99%

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The elimination of chromium in the treatment of tannery industrial wastewater

Abdel‐Shafy

Hegemann²,

Genschow³

1997

Environmental Management and Health

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Presents the findings of a study conducted to examine the efficiency of the combined anaerobic‐aerobic reactors for the treatment of three different tannery industrial wastewaters, focusing on the fate of chromium and other associated metals. Examines elimination rates of such metals with respect to each successive treatment process. Discusses the correlation between the chemical characteristics of the wastewater influent and effluent along with the level of heavy metals in such wastewater and the produced sludge. Confirms that the use of such sludge in agriculture should be restricted and recommends the recovery of Cr from the tanning sludge.

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Section: Resultsmentioning

confidence: 99%

“…On the other hand, chromium III is widely used as a tanning agent in the leather industry and is a major source of contamination because of the large volume of “exhausted” liquid discharged and solid sludge produced[3, 8, 12, 13].…”

Section: Introductionmentioning

confidence: 99%

The elimination of chromium in the treatment of tannery industrial wastewater

Abdel‐Shafy

Hegemann²,

Genschow³

1997

Environmental Management and Health

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Treatment of Wastewater from Tanneries and the Textile Industry using Constructed Wetland Systems

Akratos

Tekerlekopoulou

Vayenas

2018

Constructed Wetlands for Industrial Wastewater Treatment

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Copper(II) removal from aqueous solution by organosolv lignin and its recovery

Acemioğlu

Samil

Alma

et al. 2003

J of Applied Polymer Sci

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ABSTRACT:In this study the removal of Cu(II) ions from aqueous solution was performed at different concentrations, temperatures, and pHs using ethanol-based organosolv lignin as the adsorbent. The results indicated that the amount of Cu(II) ions adsorbed onto the lignin increased with increasing concentration and pH; however, it decreased with an increase in temperature. It was possible to remove 40.74% (maximum removal) of Cu(II) ions from aqueous solution by using organosolv lignin within 10 min under certain conditions (3 ϫ 10 Ϫ4 M and 20°C). The adsorption process was determined to be consistent with the Freundlich isotherm. Furthermore, it was found that 40% (maximum recovery) of the Cu(II) ions adsorbed on the organosolv lignin could be recovered using HCl with an initial concentration of 3 ϫ 10 Ϫ4 M and a contact time of 10 min.

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Chromium removal in tannery wastewaters “polishing” by Pinus sylvestris bark

Cited by 113 publications

References 5 publications

The elimination of chromium in the treatment of tannery industrial wastewater

The elimination of chromium in the treatment of tannery industrial wastewater

Treatment of Wastewater from Tanneries and the Textile Industry using Constructed Wetland Systems

Copper(II) removal from aqueous solution by organosolv lignin and its recovery

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