Study on Characteristics of Ammonium Nitrogen Adsorption by Biochar Prepared in Different Temperature

被引：3
|
作者：
Liu, Ning [1 ]
Zhou, Chongjun [1 ]
Fu, Shifeng [1 ]
Ashraf, Muhammad Imran [1 ]
Zhao, Enfeng [1 ]
Shi, Hui [1 ]
Han, Xiaori [1 ]
Hongzhibai [1 ]
机构：
[1] Shenyang Agr Univ, Natl Engn Lab Efficient Utilizat Soil & Fertilize, Coll Land & Environm, Shenyang 110161, Peoples R China
来源：
APPLIED ENERGY TECHNOLOGY, PTS 1 AND 2 | 2013年 / 724-725卷
关键词：
Biochar; Ammonium nitrogen; Adsorption; Mushroom residue; CARBON; WATER;
D O I：
10.4028/www.scientific.net/AMR.724-725.452
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A model was prepared for the preparation of biochar from the biomass of mushroom residue at different carbonization temperature (350 degrees C,450 degrees Cand 550 degrees C) for adsorption characteristics of ammonium nitrogen in water through different ammonium nitrogen concentration, reaction time, pH and temperature. The investigation result showed that the adsorptive amount of these three biochar substances increased quickly with the initial concentration (0-2 h) and the adsorption equilibrium was reached after 4 hours. The adsorptive amount of these three biochars increased with the rise of pH from 5 to 9. Different temperature preparation of biochar on ammonium nitrogen adsorption increases with the rise of temperature. Different temperature preparation of biochar on ammonium nitrogen adsorption amount is in the order of 550 degrees Cbiochar > 450 degrees Cbiochar > 350 degrees Cbiochar.
引用
收藏
页码：452 / 456
页数：5
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