In:
Water Science and Technology, IWA Publishing, Vol. 70, No. 12 ( 2014-12-01), p. 2031-2039
Abstract:
A new integrated water remediation technology, including a floating bed, a buffer zone of floating plants, enclosed ‘water hyacinth’ purification, economic aquatic plants and near-shore aquatic plant purification, was used in Dishui Lake to improve its water quality. A channel of 1,000 m length and 30 m width was selected to implement pilot-scale experiments both in the static period and the continuous water diversion period. The results showed that the new integrated water remediation technology exhibited the highest removal rate for permanganate index in a static period, which achieved 40.6%. The average removal rates of total nitrogen (TN), ammonia nitrogen (NH3-N) and total phosphorus (TP) in a static period were 23.2, 21.6 and 19.1%, respectively. However, it did not exhibit an excellent removal rate for pollutants in the continuous water diversion period. The average removal rates for all pollutants were below 10%. In winter, the new integrated remediation technology showed efficient effects compared to others. The average removal rate for CODMn, TN, NH3-N and TP were 7, 5.3, 7.6 and 6.5%, respectively. Based on our results, the new integrated water remediation technology was highly efficient as a purification system, especially during the static period in winter.
Type of Medium:
Online Resource
ISSN:
0273-1223
,
1996-9732
DOI:
10.2166/wst.2014.453
Language:
English
Publisher:
IWA Publishing
Publication Date:
2014
detail.hit.zdb_id:
764273-8
detail.hit.zdb_id:
2024780-1
SSG:
14
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