| 查看: 994 | 回复: 13 | |||
| 当前主题已经存档。 | |||
| 当前只显示满足指定条件的回帖，点击这里查看本话题的所有回帖 | |||
commandos2银虫 (小有名气)
|
[交流]
求高手帮忙修改修改文章啊
|
||
|
因为英语不过关，已经被退回来了，是关于COD废水处理方面的，小虫金币不多，就全发了。谢谢了！ 文章 ACFM-chemo.doc 文章+图 pdf CHEM-S-09-00528.fdf |
回复此楼» 猜你喜欢
售一区SCI文章T0P，我:8O.551.O54,科目全,可十急
已经有9人回复
-
售SCI-T0P文章，我:8O.5.5.1.O.54,科目齐全,可+急
已经有3人回复
-
考博求助
已经有3人回复
-
售SCI一区文章，我:8.O.551.O.5.4,科目全,可伽急
已经有5人回复
-
售SCI一区T0P文章，我:8.O.55.1.O.5.4,科目全,可+急
已经有4人回复
-
售SCI一区T0P文章，我:8.O.55.1.O.5.4,科目全,可+急
已经有5人回复
-
售SCI-T0P文章，我:8O.5.5.1.O.54,科目齐全,可+急
已经有9人回复
-
售一区SCI文章T0P，我:8O.551.O54,科目全,可十急
已经有9人回复
-
售SCI一区T0P文章，我:8.O.55.1.O.5.4,科目全,可+急
已经有10人回复
-
售SCI一区文章，我:8.O.551.O.5.4,科目全,可伽急
已经有6人回复
qingfeng877680
木虫 (著名写手)
清枫笨小虫
- 应助: 0 (幼儿园)
- 贵宾: 1.017
- 金币: 2466
- 散金: 1102
- 红花: 9
- 帖子: 1034
- 在线: 64.4小时
- 虫号: 570669
- 注册: 2008-06-08
- 专业: 高分子物理与高分子物理化
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
commandos2(金币+75,VIP+0):谢谢啊，虽然改动不多，但是也有帮助 3-16 08:15
commandos2(金币+75,VIP+0):谢谢啊，虽然改动不多，但是也有帮助 3-16 08:15
|
3.2. Effect of sample dosage on the COD of wastewater The effect of sample dosage ranging from 0.0 to 20 mg•mL-1 on the COD removal of wastewater is shown in Fig. 3. The COD removal increases significantly with the dosage of RHM or RHA when the dosage is less than 20 mg•mL-1. Thereafter, it changes slightly and maintains at 73% (RHM) or 66% (RHA). Compared with RHA, the COD removal of RHM is higher at identical dosages. For instance, the COD removal of RHM is ~18% higher than that of RHA when the sample dosage is 5 mg•mL-1. Moreover, the maximum COD removal of RHM (73.5%, at dosage of 15 mg•mL-1) is ~7% higher than that of RHA (66.5%, at dosage of 25 mg•mL-1).The surface area of RHA (433.90 m2•g-1) is twice as large as that of RHM (214.54 m2•g-1),so RHA should present stronger adsorption ability than that of RHM. The catalytic ability of RHM is stronger than that of RHA, due to the presence of MnFe2O4. Organics were adsorbed to the surface of RHM and catalysis degraded by the ferrite nanoparticles during the wastewater treatment, which is consistent with former researches [38, 41] . 3.3. Effect of microwave treatment on the COD of wastewater The variations of the COD of wastewater as a function of microwave heating time is shown in fig.4. When the wastewater was treated by 20 mg•mL-1 RHM or RHA without microwave heating, the COD removal is less than 7%, which is attributed to the inadequate contract between RHM and organics. When the microwave radiation was added, the COD removal increases considerably in the first 3 min, from 41% to 72% for RHM and 19% to 60% for RHA. Thereafter, itl changes little and maintains at ~73% for RHM and ~65% for RHA. Both RHM and RHA,as it is observedin microwave treatment ,will reach theirs maximum COD removal within 6 min under the assist of microwave radiation. There may be two reasons: first, microwave radiation will selectively heat and motivate some special materials such as active carbon and magnetic materials to be hotspots [43] which adsorb and catalytic degrade the organics of wastewater rapidly. Second, the quantum energy of microwave can motivate the rotation of molecules and decrease the activation energy of reactions, which facilitates the breaking of chemical bonds and the adsorption of RHM or RHA for organics [31, 44] . RHM reaches its maximum COD removal earlier than RHA does and the COD removal of RHM is higher than that of RHA at all periods, indicating that RHM is easier to be heated by the microwave radiation. It is still attributed to the presence of MnFe2O4. |
11楼2009-03-14 16:42:59
caitikuan
木虫 (小有名气)
- 应助: 0 (幼儿园)
- 金币: 2243.1
- 帖子: 229
- 在线: 102小时
- 虫号: 518882
- 注册: 2008-03-05
- 性别: GG
- 专业: 器官移植与移植免疫
2楼2009-03-05 23:07:28
3楼2009-03-05 23:19:42
commandos2
银虫 (小有名气)
- 应助: 0 (幼儿园)
- 金币: 3822.2
- 散金: 95
- 帖子: 193
- 在线: 107.3小时
- 虫号: 580992
- 注册: 2008-07-18
- 专业: 海洋地质学
4楼2009-03-06 11:17:59
