Integrated bioremediation techniques in a shrimp farming environment under controlled conditions

SONG Xianli; YANG Qian; REN J. Shengmin; SUN Yao; WANG Xiulin; SUN Fuxin

doi:10.1007/s13131-016-0812-2

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SONG Xianli, YANG Qian, REN J. Shengmin, SUN Yao, WANG Xiulin, SUN Fuxin. Integrated bioremediation techniques in a shrimp farming environment under controlled conditions[J]. Acta Oceanologica Sinica, 2016, 35(2): 88-94. doi: 10.1007/s13131-016-0812-2

Citation:

SONG Xianli, YANG Qian, REN J. Shengmin, SUN Yao, WANG Xiulin, SUN Fuxin. Integrated bioremediation techniques in a shrimp farming environment under controlled conditions[J]. Acta Oceanologica Sinica, 2016, 35(2): 88-94. doi: 10.1007/s13131-016-0812-2

Citation:

SONG Xianli, YANG Qian, REN J. Shengmin, SUN Yao, WANG Xiulin, SUN Fuxin. Integrated bioremediation techniques in a shrimp farming environment under controlled conditions[J]. Acta Oceanologica Sinica, 2016, 35(2): 88-94. doi: 10.1007/s13131-016-0812-2

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Integrated bioremediation techniques in a shrimp farming environment under controlled conditions

doi: 10.1007/s13131-016-0812-2

1.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China;Marine Biology Institute of Shandong Province, Qingdao 266104, China
2.
Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Science, Qingdao 266071, China
3.
National Institute of Water and Atmospheric Research, Christchurch 8440, New Zealand
4.
College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China
5.
Marine Biology Institute of Shandong Province, Qingdao 266104, China

Received Date: 2015-08-05
Rev Recd Date: 2015-11-18

Abstract

Abstract

This study investigated the integrated bioremediation techniques for a shrimp culture system to reduce unconsumed feed and the contents of suspended solids (SS), nutrients and organic pollutants using barracuda, clamworm, scallop, large algae and a biofilter. A multi-pool internal circulation system was designed to test the effectiveness of the techniques in the laboratory. The experimental result has shown that Argopecten irradians, Gracilaria lemaneiformis and the biofilter efficiently reduced the contents of SS, dissolved inorganic carbon (DIC) and dissolved organic carbon (DOC) in the breeding wastewater. The amount of unconsumed feed was significantly reduced by barracuda and clamworm, but there was an increase in the contents of SS, DIC and DOC in the water due to disturbance by the barracuda and clamworm. The capacity of macroalgae to extract inorganic nitrogen was insufficient. However, the balance of the nitrogen fixation rate of macroalgae and the biological exhaust nitrogen rate within the system should be fully considered. The use of the biofilter alone was not optimal for the remediation of organic matter in shrimp effluent so that auxiliary foam separation technology is needed to improve the ability of the system to remove macromolecules. This study provides a basis for the further development of remediation techniques to reduce the environmental impact of shrimp aquaculture.
- shrimp,
- aquaculture environment,
- bioremediators,
- integrated remediation technique

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