Elucidation of Dynamics in Advanced Separation of Soft Colloid

软胶体高级分离动力学的阐明

基本信息

批准号：
16360382
负责人：
IRITANI Eiji
金额：
$ 9.47万
依托单位：
Nagoya University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2004
资助国家：
日本
起止时间：
2004 至 2006
项目状态：
已结题

项目摘要

In recent years, particle-fluid separation such as filtration, expression, sedimentation and centrifugation is becoming widely accepted in such diversified fields as the biotechnology, biomass industry, functional food, biomedicine, living organism. Therefore, development of advanced separation technology for soft colloids such as microorganism, gel particle, emulsion, biomacromolecule, agglomerated particle, which are deformable and difficult-to-separate particles, is strongly desired.The main purpose of this research is to clarify the dynamics of separation of soft colloids. Filtration, expression, sedimentation and centrifugation were conducted using microorganism, hydrogel, emulsion as test sample. We have ascertained separation behaviors, deformation characteristic of particles and the properties of gelatinous aggregates of particles (cake and sediment) which had a significant influence on separating function. It was revealed that the filter cake and sediment composed of soft colloids have extremely high compressibility. It was also shown that the cake and sediment of soft colloids exhibited the porosity which was less than hexagonal close packing of undistorted spheres because of the deformation of the soft particles under the action of the solid compressive pressure. Consequently, it is preferred that separation of soft colloids is conducted under the relatively low pressure since the increase in the pressure does not necessarily lead to the improvement of the separation properties. These findings provide a valuable information for design of optimum operation and development of novel separation technology, and will be greatly contributed to advancement of diverse fields associated with separation of soft colloids.

近年来，在生物技术，生物量工业，功能性食品，生物医学，活生物体等多样化的领域中，粒子流体分离（例如过滤，表达，沉积和离心）已被广泛接受。因此，强烈需要开发用于软胶体，例如微生物，凝胶颗粒，乳液，生物乳清分子，聚集的粒子，它们是可变形且难以分离的颗粒。使用微生物，水凝胶，乳液作为测试样品进行过滤，表达，沉淀和离心。我们已经确定了分离行为，颗粒的变形特征以及颗粒（蛋糕和沉积物）的凝胶状聚集体的性质，这对分离功能有重大影响。据显示，由软胶体组成的过滤蛋糕和沉积物具有极高的可压缩性。还表明，软胶体的蛋糕和沉积物表现出的孔隙率小于未固定球的六角形关闭堆积，因为在固体压缩压力的作用下，软颗粒的变形。因此，首选在相对较低的压力下进行软胶体的分离，因为压力的增加不一定会导致分离特性的改善。这些发现为设计新型分离技术的最佳操作和开发提供了宝贵的信息，并将极大地促进与软胶体分离相关的各种领域的发展。

项目成果

期刊论文数量（27）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Decolorization Properties of Melanoidin in Wastewater by White-Rot Fungi

白腐真菌对废水中类黑素的脱色性能

DOI：
发表时间：
2006
期刊：
Journal of Water Waste 48・2
影响因子：
0
作者：
中野義夫;斉藤真紀;廣川能嗣;中野義夫他;中野義夫他;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani
通讯作者：
E.Iritani

Compression-Permeability Properties of Compressed Bed of Superabsorbent Hydrogel Particles

高吸水性水凝胶颗粒压缩床的压缩渗透性能

DOI：
发表时间：
2006
期刊：
Drying Technology 24・10
影响因子：
0
作者：
中野義夫;斉藤真紀;廣川能嗣;中野義夫他;中野義夫他;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani
通讯作者：
E.Iritani

Interactions between Cells, Proteins, and Salts in Microfiltration of Corynebacterium glutamicum Slurry

谷氨酸棒杆菌浆料微滤中细胞、蛋白质和盐之间的相互作用

DOI：
发表时间：
2004
期刊：
Journal of Chemical Engineering of Japan 37・12
影响因子：
0
作者：
中野義夫;斉藤真紀;廣川能嗣;中野義夫他;中野義夫他;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani
通讯作者：
E.Iritani

Consolidation and Expansion Properties of Compressed Cake of Superabsorbent Hydrogels

超吸水性水凝胶压缩饼的固结和膨胀性能

DOI：
发表时间：
2005
期刊：
Proceedings of Filtech 2005 Vol.I
影响因子：
0
作者：
中野義夫;斉藤真紀;廣川能嗣;中野義夫他;中野義夫他;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani
通讯作者：
E.Iritani

Ultrafiltration Behavior of corynebacterium glutamicum Slurry with and without Bovine Serum Albumin

含有和不含牛血清白蛋白的谷氨酸棒杆菌浆液的超滤行为

DOI：
发表时间：
2004
期刊：
Journal of Chemical Engineering of Japan 37・7
影响因子：
0
作者：
中野義夫;斉藤真紀;廣川能嗣;中野義夫他;中野義夫他;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;入谷英司;入谷英司;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani;E.Iritani
通讯作者：
E.Iritani