为了探讨天然沸石对NH4+的吸附规律,以浙江缙云出产的粒径为2~3.2 mm的天然斜发沸石为实验材料,进行吸附等温线实验和吸附动力学实验.结果表明,实验沸石对NH4+的吸附等温线符合Langmuir公式,且对氨氮吸附量的极限值为1.624 mol·kg-1;实验沸石对NH4+的吸附反应符合一级动力学方程,反应速率常数为0.1882 h-1.通过监测溶液中各阳离子浓度的变化,可确定沸石晶体内与NH4+进行交换的主要离子为Ca2+和Na+,二者占交换总量的96%以上;在交换反应初期,出现了由于沸石晶体中的离子在固液两相中的再分配所造成的离子交换的不等量现象.江苏省科技计划中国科学引文数据库(CSCD)02219-2231
Increasing food demand has resulted in an ever increasing demand for nitrogen fertilizers. Ammonium ...
Thesis (Master)--Izmir Institute of Technology, Chemical Engineering, Izmir, 2004Includes bibliograp...
The adsorption of ammonium ions onto a Chinese natural zeolite in an agitated batch adsorber was stu...
用浙江缙云的天然斜发沸石在实验室进行了吸附铵饱和沸石的生物再生静态试验,经过73d生物作用和离子交换作用,饱和沸石对铵的吸附能力恢复了61%～85%;在云南滇池流域进行了吸附大量铵的沸石的生物再生现场...
研究了氨氮浓度、温度、时间、共存阳离子等对氨氮在天然沸石上吸附的影响,比较了HCl及NaCl溶液对氨氮解吸的效果,初步探讨了沸石吸附氨氮后自然硝化的规律.结果显示,随着氨氮浓度的增大或温度的升高,沸石...
We investigated the ammonium removal abilities of natural and synthetic zeolites with distinct Si/Al...
We investigated the ammonium removal abilities of natural and synthetic zeolites with distinct Si/Al...
选择中国浙江缙云天然斜发沸石为试验材料,以摇床试验和离子跟踪监测,研究了斜发沸石对溶质NH4+的物化作用机理.在天然斜发沸石对溶液中NH4+的作用过程中,离子交换作用决定了NH4+的全部转移量,沸石晶...
The objectives of this study were to modify Chinese natural zeolite by NaCl and to investigate its s...
The objectives of this study were to modify Chinese natural zeolite by NaCl and to investigate its s...
The naturally occurring zeolite (N Z01) was characterized and used as an adsorbent for the removal o...
采用水溶液离子交换法制备了不同离子交换的 13X和 4A分子筛 ,并在 2 5℃下测定了它们的静态吸附等温线和动态穿透曲线 .研究发现 ,Ca2 + 离子和Li+ 离子交换的 13X和 4A分子筛对氮...
A batch sorption process for removal of ammonium ions from aqueous solution using natural zeolite wa...
Experimental investigation of ammonium ion removal from drinking water were carried out using natura...
Nitrogen fertilizer is one of the fertilizer type which is required for plant growth. This fertilize...
Increasing food demand has resulted in an ever increasing demand for nitrogen fertilizers. Ammonium ...
Thesis (Master)--Izmir Institute of Technology, Chemical Engineering, Izmir, 2004Includes bibliograp...
The adsorption of ammonium ions onto a Chinese natural zeolite in an agitated batch adsorber was stu...
用浙江缙云的天然斜发沸石在实验室进行了吸附铵饱和沸石的生物再生静态试验,经过73d生物作用和离子交换作用,饱和沸石对铵的吸附能力恢复了61%～85%;在云南滇池流域进行了吸附大量铵的沸石的生物再生现场...
研究了氨氮浓度、温度、时间、共存阳离子等对氨氮在天然沸石上吸附的影响,比较了HCl及NaCl溶液对氨氮解吸的效果,初步探讨了沸石吸附氨氮后自然硝化的规律.结果显示,随着氨氮浓度的增大或温度的升高,沸石...
We investigated the ammonium removal abilities of natural and synthetic zeolites with distinct Si/Al...
We investigated the ammonium removal abilities of natural and synthetic zeolites with distinct Si/Al...
选择中国浙江缙云天然斜发沸石为试验材料,以摇床试验和离子跟踪监测,研究了斜发沸石对溶质NH4+的物化作用机理.在天然斜发沸石对溶液中NH4+的作用过程中,离子交换作用决定了NH4+的全部转移量,沸石晶...
The objectives of this study were to modify Chinese natural zeolite by NaCl and to investigate its s...
The objectives of this study were to modify Chinese natural zeolite by NaCl and to investigate its s...
The naturally occurring zeolite (N Z01) was characterized and used as an adsorbent for the removal o...
采用水溶液离子交换法制备了不同离子交换的 13X和 4A分子筛 ,并在 2 5℃下测定了它们的静态吸附等温线和动态穿透曲线 .研究发现 ,Ca2 + 离子和Li+ 离子交换的 13X和 4A分子筛对氮...
A batch sorption process for removal of ammonium ions from aqueous solution using natural zeolite wa...
Experimental investigation of ammonium ion removal from drinking water were carried out using natura...
Nitrogen fertilizer is one of the fertilizer type which is required for plant growth. This fertilize...
Increasing food demand has resulted in an ever increasing demand for nitrogen fertilizers. Ammonium ...
Thesis (Master)--Izmir Institute of Technology, Chemical Engineering, Izmir, 2004Includes bibliograp...
The adsorption of ammonium ions onto a Chinese natural zeolite in an agitated batch adsorber was stu...
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