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Membrane filtration with rapid pretreatment using adsorbent of submicron particle size

使用亚微米粒径吸附剂进行快速预处理的膜过滤

基本信息

批准号：
17360255
负责人：
MATSUI Yoshihiko
金额：
$ 7.62万
依托单位：
Hokkaido University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2005
资助国家：
日本
起止时间：
2005 至 2006
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17360255/
关键词：
adsorption powdered activated carbon MF membrane membrane separation drinking water treatment

项目摘要

Normal manufacturer-supplied powdered activated carbon (PAC) was pulverized to reduce the PAC particle size to less than 1 μm; we call the pulverized PAC super-powdered activated carbon (S-PAC). Advantages of S-PAC over normal PAC, mainly in terms of adsorptive removal of natural organic matter (NOM) and geosmin (musty-earthy taste and odor compund), were studied. Batch adsorption kinetic tests and tubular flow reactor tests revealed that S-PAC rapidly adsorbed NOM from water samples. NOM concentration rapidly decreased after S-PAC addition and reached a plateau of practically attainable removal in a contact time of 5 s. Next, S-PAC adsorption as a pretreatment for microfiltration (MF) was studied by using laboratory-scale and bench-scale pilot plants. Use of S-PAC could decrease significantly the detention time for adsorption pretreatment before MF. A detention time of 2.4 s yielded the same NOM concentration in the MF permeate as a detention of 15 min. Use of S-PAC could also decrease the dosage compared with normal PAC by a factor of 1/4. The dosing sequence, PAC followed by coagulant and then MF, showed slightly better NOM removal than the sequence, coagulant followed by PAC and then MF, suggesting that flocculation of PAC particles somewhat hinders adsorbate uptake into PAC particles. Adsorption pretreatment by using this S-PAC removed the geosmin with vastly greater efficiency than by normal PAC. Removal was attained in a much shorter contact time and at a much lower dosage. The S-PAC was also beneficial in attenuating the trans-membrane pressure rises that occurred between both physical backwashings and chemical cleanings. No membrane fouling effect was observed as a result of S-PAC addition before MF.

将普通制造商提供的粉末活性炭（PAC）粉碎，将PAC粒径减小至1μm以下；我们将粉状PAC称为超粉活性炭（S-PAC）。研究了 S-PAC 相对于普通 PAC 的优势，主要是在吸附去除天然有机物 (NOM) 和土臭素（霉味和气味化合物）方面。间歇吸附动力学测试和管式流动反应器测试表明，S-PAC 可以快速吸附水样中的 NOM。添加 S-PAC 后，NOM 浓度迅速下降，并在 5 秒的接触时间内达到几乎可去除的稳定水平。接下来，通过实验室规模和实验室规模的中试工厂研究了 S-PAC 吸附作为微滤 (MF) 预处理的方法。使用S-PAC可以显着减少MF前吸附预处理的停留时间。 2.4 秒的滞留时间与 15 分钟的滞留时间在 MF 渗透液中产生相同的 NOM 浓度。使用S-PAC还可将用量比普通PAC减少1/4。 PAC、混凝剂、然后 MF 的投药顺序比先混凝剂、PAC、然后 MF 的顺序表现出略好的 NOM 去除效果，这表明 PAC 颗粒的絮凝在一定程度上阻碍了 PAC 颗粒对吸附物的吸收。使用这种 S-PAC 进行吸附预处理去除土臭素的效率比普通 PAC 高得多。在更短的接触时间和更低的剂量下实现了去除。 S-PAC 还有助于减弱物理反洗和化学清洗之间发生的跨膜压力升高。由于在 MF 之前添加 S-PAC，没有观察到膜污染效应。

项目成果

期刊论文数量（0）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Adsorptive removal of geosmin by ceramic membrane filtration with super-powdered activated carbon adsorption

超粉活性炭吸附陶瓷膜过滤吸附去除土臭素

DOI：
发表时间：
2006
期刊：
Proc. 7th International Symposium on Water Supply Technology 2006
影响因子：
0
作者：
Matsui;Y.;Aizawa;T.;Suzuki;M.;Kawase;Y.
通讯作者：
Y.

Characteristics of submicron activated carbon adsorption : experiments and a branched -pore model analysis

亚微米活性炭吸附特性：实验和支化孔模型分析

DOI：
发表时间：
2006
期刊：
Proceedings IWA 5th World Water Congress 2006(CR-ROM)
影响因子：
0
作者：
Matsui;Y.;Kurihara;S.;Sanogawa;T.;Murai;K.;Sawaoka;D.;Ohno;K.
通讯作者：
K.

Enhancing an Adsorption-Membrane Hybrid System with Microground Activated Carbon.

使用微研磨活性炭增强吸附膜混合系统。

DOI：
发表时间：
2005
期刊：
Water Sci. ＆ Tech. : Water Supply 4
影响因子：
0
作者：
Matsui;Y.;Kurihara;S.;Sanogawa;T.;Murai;K.;Sawaoka;D.;Ohno;K.;Yoshihiko Matsui et al.
通讯作者：
Yoshihiko Matsui et al.

Rapid Adsorption Pretreatment with Submicron Powdered Activated Carbon Particles before Microfiltration.

微滤前用亚微米粉状活性炭颗粒进行快速吸附预处理。

DOI：
发表时间：
2005
期刊：
Water Sci. ＆ Tech. 51
影响因子：
0
作者：
Matsui;Y.;Kurihara;S.;Sanogawa;T.;Murai;K.;Sawaoka;D.;Ohno;K.;Yoshihiko Matsui et al.;Yoshihiko Matsui et al.
通讯作者：
Yoshihiko Matsui et al.

Ceramic MF with Submicron-sized Activated Carbon Adsorption and Coagulation Pretreatments for Rapid and Effective NOM Removal.

陶瓷 MF 具有亚微米级活性炭吸附和混凝预处理，可快速有效地去除 NOM。

DOI：
发表时间：
2005
期刊：
Water and Environmental Management Series (WEMS), 2nd IWA Leading-Edge on Water and Wastewater Treatment Technologies, 8
影响因子：
0
作者：
Matsui;Y.;Kurihara;S.;Sanogawa;T.;Murai;K.;Sawaoka;D.;Ohno;K.;Yoshihiko Matsui et al.;Yoshihiko Matsui et al.;Yoshihiko Matsui et al.
通讯作者：
Yoshihiko Matsui et al.