Biological treatment of tannery wastewater in the presence of chromium

Article Abstract:

The chromium addition has less influence on the denitrification bacteria than on the nitrification bacteria. Various measures to determine the removal efficiency of carbon and nitrogen substance using lab scale sequencing batch reactors (SBR) reactor fed with untreated tannery wastewater containing a relevant amount of chromium are discussed.

Analysis, Sewage, Denitrification, Sewage treatment, Carbon compounds, Chemical properties

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Sorption studies of mixed chromium and chlorinated ethenes at the field and laboratory scales

Article Abstract:

The chromium sorption isotherm data is simulated using the triple layer surface complexation model (TLM). The isotherm data is modeled using the TLM, illustrating the applicability of geochemical modeling for sorption of chromium to aquifer sediments under variable pE-pH conditions.

United States, Cyclic Crude and Intermediate Manufacturing, Ethylene, Mathematical analysis, Sorption

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Effect of grinding and heating on Ni2+ uptake properties of waste paper sludge

Article Abstract:

The effect of grinding and heating waste paper sludge on its nickel uptake properties, to develop a new usage of waste paper is examined.

New Zealand, Primary Nickel, Refined Nickel, Methods, Usage, Waste paper, Paper recycling, Nickel, Temperature effects, Nickel (Metal)

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