Water Reclamation and Reuse

Follett, Matthew; Lee, Sin Yin; Schmidt, J. R.; Younker, Jessica M.; Walsh, Margaret E.; Gagnon, Graham A.

doi:10.2175/106143010x12756668801176

Cited by 3 publications

(2 citation statements)

References 39 publications

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“…First of all, a series of test experiments at different total voltages V reactor (20,35 and 70 V) was carried out so that the typical electric parameters, treatment times and behaviour of the system, could be known. Figure 11.a-c shows the curves of conductivity and current intensity for these tests.…”

Section: Pre-industrial Scalementioning

confidence: 99%

“…Despite the increase in treatment time, it was possible to decrease the conductivity of diluate to 0.5 mS cm The ending point of the experiments was chosen as the point when the conductivity of the diluate was lower than 0.5 mS cm -1 . Nevertheless, in the case of an industrial application, other different ending points for the treatment might be chosen, depending on the latter use of the water: i) 3 mS cm -1 when the water is to be discharged to sewage system; ii) 1 mS cm -1 when the water is to be reused for irrigation; and iii) 0.5 mS cm -1 for more restrictive purposes [35][36]. ) to get it.…”

Section: Pre-industrial Scalementioning

confidence: 99%

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Application of electrodialysis for the treatment of almond industry wastewater

Valero

García-García

Expósito

et al. 2015

Journal of Membrane Science

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In this work, electrodialysis has been proved to be a suitable technique for decreasing the conductivity of a real wastewater from an almond industry, which has been previously treated by electrocoagulation (EC) and electrooxidation (EO). A seven-cell electrodialyzer, with total active membrane area of 1400 cm 2 , was employed and several parameters, as the limiting current density, were determined. A method for measuring voltage across the membranes was developed, in order to control membrane fouling. The method consisted of capillaries inserted into the solution compartments and connected to a high impedance voltmeter. A study of the reuse of the concentrate solution was made, and it was stated that it can be concentrated ten times. The treatment of the wastewater was performed at different voltages (7-16 V) to reach values of conductivity of the diluate of 0.5 mS cm -1 . After that, the scaling up to a pre-industrial scale was performed by using a seventy-cell electrodialyzer, with total active membrane area of 3.5 m 2 . The process was performed by applying voltages of 20-70 V and a final conductivity of the diluate of 0.5 mS cm -1 was achieved. The electric energy consumption was calculated in every case.2

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Section: Pre-industrial Scalementioning

confidence: 99%

Section: Pre-industrial Scalementioning

confidence: 99%