High-concentration nitrogen removal in industrial wastewater by nitrous biological reaction and subcritical hydrothermal reaction

含氮生物反应与亚临界水热反应脱除工业废水中高浓度氮

• 批准号: 23510108
• 负责人: YAMASAKI HIROHITO
• 金额: $ 3.41万
• 依托单位: Ube National College of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2013
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23510108/
• 关键词: 環境保全技術; 省エネルギー技術; 環境負荷低減技術; 固定化亜硝酸菌; 窒素除去; 生物亜硝化反応; アンモニア態窒素; 亜臨界水熱反応; 無触媒; 工業排水処理システム; 高濃度アンモニア態窒素; 固定化細菌; バイオリアクタ; 亜硝酸態窒素; 工業排水処理; 亜硝酸化細菌

Acclimated nitrifying bacteria from Effective Micro-organism groups for a highly concentrated ammonium sulfate as high as 5,300 mg/L or above were physically immobilized on polymeric spherical hydrogel. The immobilized nitrifying bacteria which produced only NO2- from NH4+ could reach an equilibrium condition after about 30 days. Especially, at pH 7.7, it could reach equilibrium in only 22 days, the velocity of the removal of NH4-N (Vr) = 160 mg/(L*d), showed an excellent value, and then the molar ratio of NH4+ and NO2 was almost the same (NH4+ : NO2- = 1.3 : 1).60mL of model raw wastewater containing fixed amounts of NH4-N and NO2-N in a molar ratio of 1:1 was poured into a pressure bottle. The subcritical hydrothermal reaction was carried out for 1h. In the case of 3,000 mg/L, full decomposition and over 90% decomposition was shown at reaction temp. of over 180 and 160 centigrade temp. At 5,000 mg/L, a lower reaction temp. at 140 centigrade temp. showed 95% decomposition.

将来自有效微生物组的驯化硝化细菌物理固定在聚合物球形水凝胶上，所述硝化细菌用于高达5，300 mg/L或以上的高浓度硫酸铵。固定化硝化细菌在30 d左右可达到平衡状态，硝化细菌仅从NH 4+转化为NO2-。当pH为7.7时，仅需22 d即可达到平衡，NH 4-N的去除速率（Vr）为160 mg/（L*d），表现出较好的去除效果，此时NH 4+与NO2的摩尔比基本保持不变（NH 4+：NO2- = 1.3：1）。将含有固定量的摩尔比为1：1的NH 4-N和NO2-N的60 mL模型原废水倒入压力瓶中。亚临界水热反应进行了1h。在3,000 mg/L的情况下，在反应温度下，降解完全，降解率达90%以上。温度超过180和160摄氏度。在5，000 mg/L时，较低的反应温度可使反应温度降低。在140摄氏度的温度下。显示有95%的腐烂

项目成果

Treatment of super-high-concentration ammonium wastewater with immobilized nitrifying bacteria

固定化硝化菌处理超高浓度氨氮废水

• 发表时间: 2011
• 作者: H. Yamasaki;M. Takeuchi;K. Fukunaga
• 通讯作者: K. Fukunaga

Treatment of super-high-concentration ammonium wastewater with immobilized nitrifying bacteria: Microbial ecology of immobilized nitrifying bacteria

固定化硝化菌处理超高浓度氨氮废水：固定化硝化菌的微生物生态学

• 发表时间: 2011
• 作者: Yuya Tachibana ;Masayuki Yamahata and Ken-ichi Kasuya;Hirohito YAMASAKI
• 通讯作者: Hirohito YAMASAKI

High-concentration nitrogen removal in industrial wastewater by subcritical hydrothermal reaction without catalyst

无催化剂亚临界水热反应脱除工业废水中高浓度氮

• 发表时间: 2012
• 作者: H. Yamasaki;I. Yoshiya;M. Negoro;A. Miyakoshi
• 通讯作者: A. Miyakoshi

生物反応と水熱反応による高濃度アンモニア成分の除去

通过生物和水热反应去除高浓度氨成分

• 发表时间: 2011
• 作者: Yuya Tachibana;Junko Torii;Ken-ichi Kasuya;Masahiro Funabashi and Masao Kunioka;原田 諭,吉屋愛恵,竹内正美,山﨑博人
• 通讯作者: 原田 諭,吉屋愛恵,竹内正美,山﨑博人

固定化亜硝酸菌群による高濃度窒素含有排水処理と生態学的考察

固定化亚硝酸菌处理高浓度含氮废水及生态考量

• 发表时间: 2013
• 期刊: 環境技術
• 作者: 柏原諒，中谷匡希，桑原一成;多田卓矢，桑原一成;山﨑博人,吉屋愛恵,根來宗孝,福永公寿
• 通讯作者: 山﨑博人,吉屋愛恵,根來宗孝,福永公寿