Water quality improvement effect from the installation of special-glaze-applied ceramics : Benten Pond, Ichikawa, Chiba, Japan
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DOI[10.24659/gsr.8.1_20]to the data of the same series
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- Material Type
- 記事
- Author/Editor
- Yoshikazu YoneiKyle HaasbroekMasayuki Yagi
- Publication, Distribution, etc.
- Publication Date
- 2021-03-31
- Publication Date (W3CDTF)
- 2021-03-31
- Alternative Title
- 特殊陶器片設置による水質改善効果 : 千葉県市川市弁天池公園
- Periodical title
- Glycative stress research
- No. or year of volume/issue
- 8(1)
- Volume
- 8(1)
- ISSN (Periodical Title)
- 2188-3610
- ISSN-L (Periodical Title)
- 2188-3610
- Text Language Code
- engjpn
- DOI
- 10.24659/gsr.8.1_20
- Persistent ID (NDL)
- info:ndljp/pid/11703336
- Collection
- Collection (Materials For Handicapped People:1)
- Collection (particular)
- 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2021-07-14T21:40:34+09:00
- Date Captured (W3CDTF)
- 2021-07-14
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11703333
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- Objective: The special-glaze-applied ceramic pieces used in this study are bisque fired ceramics manufactured by applying a special glaze. It has been suggested that cyanobacteria, which are oxygen-producing photosynthetic bacteria, may proliferate when ceramic pieces are placed in soil or water. In this study, we installed ceramic pieces in the Benten Pond (Ichikawa, Chiba, Japan) and verified the effect of the pieces on water quality. Method: Benten Pond is a closed water system with a little flow from upstream where a water inlet pipe is located, to downstream where a drainage channel is located. We placed three sandbags filled with approximately 6 kg of ceramic pieces in the water. We observed reddish mud and oil film around the water inlet pipe that were determined to be iron oxide biomats produced by iron bacteria, and ceramic pieces of 1 kg were scattered only on the west side of the pipe. Result: The values of Biochemical Oxygen Demand (BOD)/Chemical Oxygen Demand (COD), which are indicators of water quality, were 1.8/4.2 mg/L when the ceramic pieces were placed (November 21, 2019), the values temporarily increased during summer and decreased to 1.2/3.5 mg/L after one year. An improvement was observed in suspended solids, which dropped from 17 mg/L to 12 mg/L. The previous value of total nitrogen was 14 mg/L, which was well above the standard value. Total nitrogen decreased during the summer and then approached the previous value. Although total phosphorus increased temporarily during summer from the previous value of 0.034 mg/L, the value was 0.030 mg/L after one year. The iron oxide biomats almost disappeared in the area where the ceramic pieces were placed, and the biomats remained unchanged in the area where the pieces were not placed. Adverse events associated with the installation of ceramic pieces were not observed. Conclusion: The installation of ceramic pieces improved the water quality and reduced iron oxide biomats. Further studies regarding the involvement of cyanobacteria are required.
- DOI
- 10.24659/gsr.8.1_20
- Access Restrictions
- インターネット公開
- Data Provider (Database)
- 科学技術振興機構 : J-STAGE
- Summary, etc.
- Objective: The special-glaze-applied ceramic pieces used in this study are bisque fired ceramics manufactured by applying a special glaze. It has been suggested that cyanobacteria, which are oxygen-producing photosynthetic bacteria, may proliferate when ceramic pieces are placed in soil or water. In this study, we installed ceramic pieces in the Benten Pond (Ichikawa, Chiba, Japan) and verified the effect of the pieces on water quality. Method: Benten Pond is a closed water system with a little flow from upstream where a water inlet pipe is located, to downstream where a drainage channel is located. We placed three sandbags filled with approximately 6 kg of ceramic pieces in the water. We observed reddish mud and oil film around the water inlet pipe that were determined to be iron oxide biomats produced by iron bacteria, and ceramic pieces of 1 kg were scattered only on the west side of the pipe. Result: The values of Biochemical Oxygen Demand (BOD)/Chemical Oxygen Demand (COD), which are indicators of water quality, were 1.8/4.2 mg/L when the ceramic pieces were placed (November 21, 2019), the values temporarily increased during summer and decreased to 1.2/3.5 mg/L after one year. An improvement was observed in suspended solids, which dropped from 17 mg/L to 12 mg/L. The previous value of total nitrogen was 14 mg/L, which was well above the standard value. Total nitrogen decreased during the summer and then approached the previous value. Although total phosphorus increased temporarily during summer from the previous value of 0.034 mg/L, the value was 0.030 mg/L after one year. The iron oxide biomats almost disappeared in the area where the ceramic pieces were placed, and the biomats remained unchanged in the area where the pieces were not placed. Adverse events associated with the installation of ceramic pieces were not observed. Conclusion: The installation of ceramic pieces improved the water quality and reduced iron oxide biomats. Further studies regarding the involvement of cyanobacteria are required.
- DOI
- 10.24659/gsr.8.1_20
- Related Material (URI)
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- Japan Link Center雑誌記事索引データベース雑誌記事索引データベースCiNii Articles
- Bibliographic ID (NDL)
- 03213362711703336
- NAID
- 130008046226