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千葉大学学術成果リポジトリ
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2024-09-27
08:13 集計
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ceresIntlSympo-24-P059
pdf
359 KB
16
基本情報
データ種別:学術成果リポジトリ
タイトル
Applied technology to produce free oxygen in closed room to prevent haze
作成者
DAHRIL, Tengku
MULYADI, Aras
EFAWANI
内容
[ABSTRACT]Since 1991, haze has been a particularly acute problem in Southeast Asia, especially in Indonesia, Malaysia and Singapore. Many people especially childreen and old man have been illness by upper respiratory tract infection (URI). The main sources of the haze has been forest fires in Sumatra and Kalimantan. In order to solute this problems, the study was conducted using microalgae (Chlorella sp) that cultured in Dahril bottle to produce free oxygen and to prevent haze in closed room. Dahril bottle made by glass bottle that facilitated by five main componens namely, two daylight fluorescent lamps that put on the top and on the bottom of glass bottle, air pump to supply carbodioxide, distilled water as culture media, nutrient and Chlorella sp as a seed of microalgae. First step to operate Dahril bottle is to wash the bottle with clean water and rinse with hot water to kill bachteria and fungi. Then, Dahril bottle was filled with distilled water and enriched with macro and micro nutrients. First sources of nutrient made by pure chemical materialsm and the second came from wastewater of palm oil mill effluent that was filtered with Dahril filters made by a drum that were, gravel, sand, coal and palm fibre in side as natural filters. The concentrations of two solution (Chemical and palm oil wastewater) used in this study was 10 %. The media culture than inoculate with Chlorella with initial density of 5 x 10^4 cells/ml. Chlorella has been grow well for two weeks or more. In order to know the effect of Dahril bottle with Chlorella inside to prevent haze and to produce free oxygen in the closed room, two glass boxes were prepared. Both boxes were filled with artificiall haze. One of the box was put a Dahril bottle with Chlorella growing well inside, and another none. Oxygen concentration in both boxes were measured by oxygenmeter before and after one hour Dahril bottle put inside. The result of this study indicated that Dahril bottle can eliminated haze and produce free oxygen 0.8‐1.6 % higher that box without Dahril bottle inside. Chlorella grow well in Dahril bottle. The cell can split two to four times a day. Water colour would be changed from white clear to leave green colour because of Chlorofill‐a or green pigment. Photosyntesis continuously conducted with chemical reaction as follow, 6 CO2 + 6 H2O → C6H12O6 + 6 O2↑. Dahril bottle with Chlorella inside will be useful not only for oxygen produce but also for (1) room decorator, (2) carbon dioxide absorb (3) supplement food for animal and human being, (4) natural food for zooplankton and fish larvae (5) as media in teaching and learning by the teacher and student in the school, (6) as media for the preachers to explain the kauniah verses (7) to enhanceing room humidity and (8) to decrease waste water pollutant.
ハンドルURL
https://opac.ll.chiba-u.jp/da/curator/107819/
フルテキストへのリンク
https://opac.ll.chiba-u.jp/da/curator/107819/ceresIntlSympo-24-P059.pdf
公開者
Chiba University. Center for Environmental Remote Sensing
公開者の別表記
千葉大学環境リモートセンシング研究センター
NII資源タイプ
会議発表用資料
掲載誌名
Proceedings of the CEReS international symposium = CEReS国際シンポジウム資料集
巻
24
開始ページ
59
終了ページ
63
刊行年月
2016-11-21
著者版フラグ
publisher
カテゴリ
環境リモートセンシング研究センター「CEReSシンポジウム資料集」
その他の情報を表示
コンテンツの種類
会議発表用資料 Presentation
DCMI資源タイプ
text
ファイル形式 [IMT]
application/pdf
言語 [ISO639-2]
eng
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