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Concurrent Purification of Organic Pollutants and Nutrients by the Slanted-Soil-Chamber Method Using a Sponge Carrier
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- KIJI Masato
- Yonden Consultants Co., Inc.
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- INOUE Yuji
- Yonden Consultants Co., Inc.
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- SUETSUGU Aya
- Yonden Consultants Co., Inc.
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- OKUMURA Tomoko
- Yonden Consultants Co., Inc.
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- DEHAMA Kazuya
- Fisheries Research Agency
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- TAGAWA Tadasi
- Kagawa National College of Technology
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- NAKAYA Yuji
- Faculty of Agriculture, Ehime University
Bibliographic Information
- Other Title
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- スポンジ担体を用いた傾斜土槽法による有機性汚濁物質と栄養塩類の同時浄化
- スポンジタンタイ オ モチイタ ケイシャドソウホウ ニ ヨル ユウキセイ オダク ブッシツ ト エイヨウ エンルイ ノ ドウジ ジョウカ
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Description
The Slanted-Soil-Chamber-Method (SSCM) is an energy-saving aerobic purification method. We performed an experiment to elucidate this purification mechanism using a SSC reactor filled with a sponge carrier. This experiment demonstrated concurrent purification of organic pollutants, total nitrogen (T-N) and total phosphorus (T-P) for a hydraulic retention time of 20-50 min. Water and organic pollutants are separated as the gravity-fed wastewater passes through the reactor chamber. Treatment of the dissolved organic pollutants relies upon biological adsorption, which takes approximately 20-50 min. Since biological purification activity within the SSC reactor is high except the winter season, the organic matter that is trapped in the chamber is efficiently decomposed by organisms that are typically found in soil. The SSC reactor weight increased in the winter season and decreased in spring. The extent of T-N and T-P purification was dependent upon heterotrophic microbial utilization. Furthermore, T-N is purified by nitrification/denitrification, and T-P is purified by trapping the phosphorus-containing soil in the SSC reactor. The advantages of the SSC reactor are that it separates pollutants from water, degrades organic matter, reduces sludge, and simultaneously removes T-N and T-P in the same reactor chamber.
Journal
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- Journal of Japan Society on Water Environment
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Journal of Japan Society on Water Environment 37 (4), 145-153, 2014
Japan Society on Water Environment
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Keywords
Details 詳細情報について
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- CRID
- 1390282680059249152
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- NII Article ID
- 130004495357
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- NII Book ID
- AN10372439
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- ISSN
- 18813690
- 09168958
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- NDL BIB ID
- 025969183
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed