浮珠浮选法中浮珠材料对小球藻采收效率的影响

文豪; 闫玉亭; 钟洁雯; 章浩文; 尹鸿伟; 田思雨

doi:10.13205/j.hjgc.202211004

浮珠浮选法中浮珠材料对小球藻采收效率的影响

doi: 10.13205/j.hjgc.202211004

安徽理工大学地球与环境学院, 安徽淮南 232001

基金项目:

安徽理工大学大学生创新创业训练计划项目（S202010361009，202110361006）；安徽省自然科学基金青年基金（2008085QC107）；安徽省教育厅基金重点项目（KJ2020A0314）；安徽理工大学校级重点项目（13200041）

详细信息

作者简介:
文豪(1989-),男,讲师,主要研究方向为新型藻类分离技术。2019059@aust.edu.cn

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- 被引次数: 0
出版历程
- 收稿日期: 2021-07-26
- 网络出版日期: 2023-03-24

EFFECT OF BUOY-BEAD MATERIAL ON CHLORELLA VULGARIS HARVESTING PERFORMANCE DURING FLOTATION

School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China

摘要

摘要: 浮珠浮选法是目前一种新的微藻采收方法，其中浮珠材质对于采收效率具有重要影响。为选取采收效率高的浮珠材料及其探索在采收过程中与小球藻的作用机理，以普通小球藻为例，选用目前较为常见的硅硼酸钠、空心玻璃珠、粉煤灰和乳胶颗粒作为浮珠材料进行分析，发现硅硼酸钠采收效率最高，在不添加药剂的条件下可达到63.24%。浮珠颗粒和微藻粘附过程中在16.6 nm时出现第二能穴，硅硼酸钠表面疏水性和粗糙度是影响采收率的主要因素。
- 浮珠浮选法 /
- 浮珠材料 /
- 小球藻 /
- 采收 /
- 作用机理
Abstract: Buoy-bead flotation is a new microalgae harvesting method at present. The bead material has an important effect on harvesting efficiency. In order to achieve a high-efficiency bead material and mechanism during flotation, the study chose Chlorella vulgaris as the flotation microalgae and sodium borosilicate, hollow glass, fly ash and latex as the bead material. The experimental results showed that the harvesting efficiency of sodium borosilicate could achieve 63.24% without flotation reagent. The sodium silicate borate material could achieve high harvesting efficiency, because there was a secondary minimum at 16.6 nm during adhesion with microalgae. Sodium silicate had a strong hydrophobicity, which was easy to adhere to Chlorella vulgaris. Sodium silicate also had high surface roughness, which provided more binding sites. The two reasons were also important factors of high Chlorella vulgaris harvesting efficiency
- buoy-bead flotation method /
- bead material /
- Chlorella vulgaris /
- harvesting /
- function mechanism

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