ZHANG Jing,CUI Xiangxin,YUE Zhengwen,et al.Influencing Factors of Straw Biochar Adsorption Performance in Copper Pollution Treatment[J].Northern Horticulture,2017,41(19):143-149.[doi:10.11937/bfyy.20165186]
矿区铜污染治理中秸秆生物炭吸附性能影响因子研究
- Title:
- Influencing Factors of Straw Biochar Adsorption Performance in Copper Pollution Treatment
- Keywords:
- straw biochar; Cu2+; adsorption
- 文献标志码:
- A
- 摘要:
- 以秸秆生物炭为试验修复材料,采用矿区野外调查和室内吸附试验结合的方法,研究了溶液Cu2+不同初始浓度、溶液pH、吸附时间及生物炭添加量下,秸秆生物炭对溶液中Cu2+吸附作用的影响,并对秸秆生物炭的吸附性能进行测试,以期为修复草原铜矿区及周边污染提供参考依据。结果表明:秸秆生物炭的最佳吸附pH为4.5;吸附平衡时间为8 h;相同吸附条件下当炭添加量为0.5 g时,秸秆生物炭在溶液中Cu2+浓度为512 mg?L-1时吸附量最大,为17.06 mg?g-1。因此,当矿区污染物中含量<512 mg?L-1时,吸附环境pH为酸性,添加0.5 g秸秆生物炭,吸附8 h,固定和吸附废水中的Cu2+效果明显且节约成本。
- Abstract:
- Combined with field investigation and adsorption test indoor,the straw biochar were used as the repairing material,and the effect of some factors of the straw biochar adsorption such as the initial concentration of Cu2+,the pH of the solution,the adsorption time and the biochar addition were researched.In order to provide some theoretical basis for the restoration of the copper pollution in the grassland copper mine area.The results showed that the best adsorption pH of straw biochar was 4.5;the adsorption equilibrium time was 8 hours;under the same adsorption conditions,when the carbon amount was 0.5 g,the maximum adsorption capacity was 17.06 mg?g-1.Therefore,when the content of pollutants was less than 512 mg?L-1 in the mining area,the pH was 4.5 of adsorption environment,adding 0.5 g of straw biochar,after 8 hours,that would cost saving and reach an obvious result when used the straw biochar restore and adsorb the Cu2+ in wastewater.
参考文献/References:
[1]叶锦华,梅燕雄,董颖,等.中国西部铜矿资源勘查开发现状和潜力及接替区选区[J].矿床地质,2014(3):511-520.
相似文献/References:
[1]金明兰,赵海川,李华南,等.秸秆生物炭与生物菌剂协同处理对土壤中重金属和抗生素的影响[J].北方园艺,2024,(18):84.[doi:10.11937/bfyy.20234207]
JIN Minglan,ZHAO Haichuan,LI Huanan,et al.Effects of Straw Biochar and Microbial Agent on Heavy Metals and Antibiotics in Soil[J].Northern Horticulture,2024,(19):84.[doi:10.11937/bfyy.20234207]
备注/Memo
第一作者简介:张静(1992-),女,硕士研究生,研究方向为荒漠化防治。E-mail:ztiaotiao666@163.com.