Artificial wetland planted with Limonium Perezzi, for the treatment of wastewater from tanning

IF 0.9 Q3 ENGINEERING, MULTIDISCIPLINARY

Revista Facultad De Ingenieria-universidad De Antioquia Pub Date : 2020-02-10 DOI:10.17533/udea.redin.20200263

María Fernanda Castillo-Castañeda, R. Agudelo-Valencia

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引用次数: 4

Abstract

The wastewater from leather tanning contains different types of pollutants depending on the internal process that is carried out, in particular, the riparian and tanning stages provide the greatest contaminant load within the process, in terms of organic matter, grease and oils, chlorides, chromium, sulfides among other substances. This study analyzed the efficiency of a biological treatment system, consisting of artificial wetlands of horizontal subsurface flow, in order to evaluate the removal of salinity and organic load present in the water produced during the process of soaking leathers. Two prototypes were tested, one planted with Limonium perezzi and the other unplanted as a control parameter, the wetlands were operated for 32 days. The results show that the planted wetland removes 49.2% of the initial chloride present (44,414.8 mgCl-/L) in the water and 86.2% of the total organic carbon (755.9 mgC/L). It was demonstrated that artificial wetlands are still a viable and efficient alternative in terms of organic load removal, on the other hand, the selected plant showed a very good performance in the treatment of wastewater because of its high tolerance to high concentrations of salt dissolved in the water, reaching perspiration of sodium chloride crystals through the leaves and stem.

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人工湿地中种植枸杞，用于处理制革废水

制革废水中含有不同类型的污染物，这取决于所进行的内部过程，特别是河岸和制革阶段在该过程中提供了最大的污染物负荷，就有机物质、油脂、氯化物、铬、硫化物等物质而言。本研究分析了由水平潜流人工湿地组成的生物处理系统的效率，以评估浸泡皮革过程中产生的水中存在的盐度和有机负荷的去除效果。测试了两个原型，一个种植了Limonium perezzi，另一个未种植作为控制参数，湿地运行了32天。结果表明:人工湿地去除水体中49.2%的初始氯离子(44,414.8 mgCl-/L)和86.2%的总有机碳(755.9 mgC/L)。结果表明，人工湿地在去除有机负荷方面仍然是一种可行和有效的替代方案，另一方面，所选植物对水中高浓度盐的耐受性高，通过叶片和茎部达到氯化钠晶体的排汗，在废水处理中表现出非常好的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Revista Facultad De Ingenieria-universidad De Antioquia 工程技术-工程：综合

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

2 months

期刊介绍： Revista Facultad de Ingenieria started in 1984 and is a publication of the School of Engineering at the University of Antioquia. The main objective of the journal is to promote and stimulate the publishing of national and international scientific research results. The journal publishes original articles, resulting from scientific research, experimental and or simulation studies in engineering sciences, technology, and similar disciplines (Electronics, Telecommunications, Bioengineering, Biotechnology, Electrical, Computer Science, Mechanical, Chemical, Environmental, Materials, Sanitary, Civil and Industrial Engineering). In exceptional cases, the journal will publish insightful articles related to current important subjects, or revision articles representing a significant contribution to the contextualization of the state of the art in a known relevant topic. Case reports will only be published when those cases are related to studies in which the validity of a methodology is being proven for the first time, or when a significant contribution to the knowledge of an unexplored system can be proven. All published articles have undergone a peer review process, carried out by experts recognized for their knowledge and contributions to the relevant field. To adapt the Journal to international standards and to promote the visibility of the published articles; and therefore, to have a greater impact in the global academic community, after November 1st 2013, the journal will accept only manuscripts written in English for reviewing and publication. Revista Facultad de Ingeniería –redin is entirely financed by University of Antioquia Since 2015, every article accepted for publication in the journal is assigned a DOI number.