期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 181, 期 1-3, 页码 809-816出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhazmat.2010.05.086
关键词
Electrocoagulation; Aluminum; Paper; Turbidity; Energy consumption
资金
- National Council of Science and Technology (CONACyT) [SEP-CONACyT 2003-C02-42743, C06-FRC-02-23.23, 181828, 12488]
The need for more rational use of water also calls for more efficient usage. An example is the production of tissue paper, where large amounts of water are discharged into the drain because its turbidity does not allow for recirculation. While this is a serious problem, even worse is the fact that the quality of such wastewater makes it difficult not only to recirculate but also to discharge due to environmental law restrictions. In this paper, electrocoagulation is proposed as a suitable technology to meet standards of water discharge, and even better, as a treatment option for removal of turbidity. Since energy consumption has been a drawback for EC applications, relevant aspects that contribute to increase it such as cell voltage and current density have been reviewed. For this purpose a systematic micro-electrolysis study combined with macro-electrolysis experiments have provided evidence that shows it is possible to achieve a turbidity removal of 92% with an energy consumption of 0.68 kWh/m(3). Thus, the results presented in this paper support the use of EC to obtain water of acceptable quality for reuse in the tissue paper industry. (C) 2010 Elsevier B.V. All rights reserved.
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