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浒苔生物炭对水中萘的吸附作用
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张明, 徐立恒, 吕黎
科技导报 | 专题论文 2015,33(14): 78-81
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科技导报 | 专题论文 2015, 33(14): 78-81
浒苔生物炭对水中萘的吸附作用
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张明, 徐立恒, 吕黎
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吕黎(通信作者),讲师,研究方向为环境化学,电子信箱:ll0106@mail.zjgsu.edu.cn
Sorption of naphthalene in water by biochar derived from Enteromorpha prolifera
ZHANG Ming, XU Liheng, LÜ Li
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出版时间: 2015-07-28 doi: 10.3981/j.issn.1000-7857.2015.14.014
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近年浒苔的爆发式生长给中国一些沿海城市海滨环境和景观造成很大影响,而妥善处置清理后的浒苔至关重要。本研究将浒苔在不同温度下碳化制备成生物炭,用于吸附处理水中的萘。结果发现,浒苔生物质及150℃碳化的浒苔生物炭对萘的吸附以弱的分配作用为主,吸附等温曲线为线性;250、350℃碳化后,吸附能力显著增强,表面吸附和分配作用均有贡献;随着碳化温度进一步升高,吸附能力明显减弱,500℃碳化后吸附作用仅由表面吸附贡献;而700℃碳化时,浒苔中的碳质几乎被完全氧化分解,仅残留部分矿物组分,对萘几乎没有吸附能力。
浒苔  /  生物炭  /  吸附  /  萘  /  表面吸附  /  分配作用
The rapid growth of the Enteromorpha prolifera (EP) in beaches of some coastal city has caused serious environmental problems. The proper disposal of large quantity of waste EP is an important issue. In this paper, the biomass of the EP is thermally pyrolyzed into a biochar and its sorption characteristics with respect to the naphthalene in water are studied. It is shown that the sorption of the naphthalene by the EP biomass and the lower temperature (150℃) derived EP biochar is governed by a weak partition process, while the biochar derived from the EP at the higher temperatures of 250 and 350℃ exhibits much better sorption capacity than the others, and their sorption is contributed by both the adsorption and the partition. However, the EP biochar derived at 500℃ has a weaker sorption capacity than at 250 and 350℃, and the EP biochar derived at 700℃ has almost no carbon content except for some minerals, and exhibits almost no sorption capacity with respect to the naphthalene.
Enteromorpha prolifera  /  biochar  /  sorption  /  naphthalene  /  adsorption  /  partition
张明, 徐立恒, 吕黎. 浒苔生物炭对水中萘的吸附作用. 科技导报, 2015 , 33 (14) : 78 -81 . DOI: 10.3981/j.issn.1000-7857.2015.14.014
ZHANG Ming, XU Liheng, LÜ Li. Sorption of naphthalene in water by biochar derived from Enteromorpha prolifera[J]. Science & Technology Review, 2015 , 33 (14) : 78 -81 . DOI: 10.3981/j.issn.1000-7857.2015.14.014
2015年第33卷第14期
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doi: 10.3981/j.issn.1000-7857.2015.14.014
  • 接收时间:2015-05-13
  • 首发时间:2015-08-14
  • 出版时间:2015-07-28
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  • 收稿日期:2015-05-13
  • 修回日期:2015-06-01
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吕黎(通信作者),讲师,研究方向为环境化学,电子信箱:ll0106@mail.zjgsu.edu.cn
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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