REMOVAL OF ORGANICS AND NITROGEN IN ARTIFICIAL SEWAGE BY A COMBINED SYSTEM OF TWO-STEP UASB REACTOR AND AEROBIC BIOFILM REACTOR
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- YAMAZAKI Shinichi
- 高知工業高等専門学校 建設システム工学科
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- YAMAGUCHI Takashi
- 呉工業高等専門学校 環境都市工学科
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- ARAKI Nobuo
- 長岡工業高等専門学校 環境都市工学科
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- SUMINO Haruhiko
- 岐阜工業高等専門学校 環境都市工学科
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- HARADA Hideki
- 長岡技術科学大学 環境システム系
Bibliographic Information
- Other Title
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- 2槽式UASB－接触酸化処理システムにおける有機物と窒素の除去特性
- 2ソウシキ UASB セッショク サンカ ショリ システム ニ オケル ユウキブツ ト チッソ ノ ジョキョ トクセイ
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Abstract
This study proposed a new sewage treatment system that combined a two-step UASB reactor (for removal of organics and denitrification) and an aerobic biofilm reactor. The laboratory-scale, combined system had been operated for 210 days by feeding a low-strength synthetic wastewater simulating domestic sewage. The combined system exhibited a very satisfactory performance in organics and nitrogen removal (achieving the removal rate of 91% and 61% respectively) at a HRT of only 4.7 h under the temperature range between 10 and 20°C with a circulation ratio of 2. Vial activity tests of retained sludge in the UASB reactor were conducted after the 210 days' operation.
Journal
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- Doboku Gakkai Ronbunshuu G
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Doboku Gakkai Ronbunshuu G 62 (1), 9-16, 2006
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390001205252882816
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- NII Article ID
- 10016737727
- 10019320797
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- NII Book ID
- AN10014020
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- ISSN
- 02897806
- 18806082
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- NDL BIB ID
- 7822023
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- Abstract License Flag
- Disallowed