Simultaneous removal of nitrogen and non biodegradable substances in the treatment of leachate from sea-based solid waste disposal site

海基固体废物处置场渗滤液处理同时去除氮和不可生物降解物质

• 批准号: 06680539
• 负责人: FURUKAWA Kenji
• 金额: $ 1.34万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1994
• 资助国家: 日本
• 起止时间: 1994 至 1995
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-06680539/
• 关键词: marine nitrifying sludge; sea based solid waste disposal site; leachate; nitrification treatment; immobilization; volatile aliphatic chlorinated hydrocarbons; phosphoric acid triesters; carbon tetrachloride; 海水馴養硝化汚泥; 硝化; 海面ゴミ埋立処分地余水; 海水馴養脱窒汚泥

Biodegradation capabilities of acclimated marine nitrifying sludge (AMNS) for volatile aliphatic chlorinated hydrocarbons were experimentally investigated. AMNS had the capability to degrade chloroform (CF), trichloroethylene (TCE), 1,1,2-trichloroethane (1,1,2-TCA) and 1,1,2,2-tetrachloroethane but had not 1,1,1-trichloroethane and tetrachloroethylene (PCE) whose C-H bonds were highly substituted by chlorine atoms. Ammonia, which is the main substrate for nitrifiers, was required for the degradation of CF,TCE,1,1,2-TCA and PCA by AMNS.Carbon tetrachloride (CT) was degraded by the AMNS even under aerobic condition, but was demonstrated to be degraded by the anaerobic bacteria which exist in the anaerobic portion of AMNS floc. CT biodegradation was readily accomplished by the anaerbic bacteria which are widely distributed in various kinds of bacterial flocs. Four types of classification for the microbial degradation of volatile aliphatic chlorinated hydrocarbon were proposed based on their biodegradabilities and inhibitory effects on nitrification of AMNS.By using immobilized AMNS pellets which were prepared by polyvinylalcohol (PVA), continuous nitrification treatment experiments of leachate from a sea-based solid waste disposal site were carried out and the removal profiles of phosphoric acid triesters were investigated. Tris (2-chloroethyl) phosphate (TCEP) and tris (3-chloropropyl) phosphate (TCPP), which have high water solubility, were effectively removed during the continuous nitrification experiments of leachate by AMNS immobilized pellets. Biodegradation of these phosphoric acid triesters by AMNS was demonstrated to occur with partial adsorption of these phosphoric acid triesters on PVA pellets.

实验研究了驯化海洋硝化污泥（AMNS）对挥发性脂肪族氯代烃的降解能力。AMNS对三氯甲烷（CF）、三氯乙烯（TCE）、1，1，2-三氯乙烷（1，1，2-TCA）和1，1，2，2-四氯乙烷（1，1，2，2-tetrachloroethane）有一定的降解能力，但对C-H键被氯原子高度取代的1，1，1-三氯乙烷和四氯乙烯（PCE）无降解能力。氨是硝化细菌降解CF、TCE、1，1，2-TCA和PCA的主要底物，四氯化碳（CT）在好氧条件下也能被AMNS降解，但存在于AMNS絮体厌氧部分的厌氧细菌对CT有一定的降解作用。厌氧细菌广泛分布于各种细菌絮体中，能够很好地完成CT的降解。根据挥发性脂肪族氯代烃的可降解性和AMNS对硝化作用的抑制作用，将其分为4类微生物降解类型，采用聚乙烯醇（PVA）制备固定化AMNS小球，对某海洋垃圾填埋场渗滤液进行连续硝化处理试验，考察磷酸三酯的去除规律。利用AMNS固定化小球对渗滤液进行连续硝化试验，可有效去除水溶性较高的磷酸三（2-氯乙基）酯（TCEP）和磷酸三（3-氯丙基）酯（TCPP）。这些磷酸三酯的AMNS的生物降解被证明发生与部分吸附这些磷酸三酯的PVA颗粒。

项目成果

柳秀林、古川憲治、藤田正憲: "海水馴養硝化汚泥による塩素化脂肪族炭化の分解" 日本水処理生物学会誌. 別巻第15号. (1995)

Shurin Yanagi、Kenji Furukawa、Masanori Fujita：“海水适应的硝化污泥对氯化脂肪族碳化的分解”日本水处理生物学学会杂志增刊第 15 卷（1995 年）。

柳 秀林、古川憲治、藤田正憲: "海水馴養硝化汚泥による塩素化脂肪族炭化水素の分解" 日本水処理生物学会誌. 15. 83 (1995)

Shurin Yanagi、Kenji Furukawa、Masanori Fujita：“适应海水的硝化污泥分解氯化脂肪烃”日本水处理生物学学会杂志 15. 83 (1995)。

Soo-Lim Ryu, Kenji Furukawa and Masanori Fujita: "Degradation of Chlorinated Aliphatic Hydrocarbones by Acclimated Marine Nitrifying Sludge" Japanese Journal of Water Treatment Biology. Special Issue 15. 83 (1995)

Soo-Lim Ryu、Kenji Furukawa 和 Masanori Fujita：“适应海洋硝化污泥对氯化脂肪烃的降解”《日本水处理生物学杂志》。