用素功能化的玉米生物质用于铁吸附:一个多维的绿色方法
Mohamed R El-Aassar1, Hassan M A Hassan1, Ebtsam K Alenezy1
1Chemistry Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia.
International journal of biological macromolecules
|January 23, 2026
概括
一种新的Zea mays-chitosan@anthracite (MZ-CS@An) 生物混合吸收剂有效地从水中去除Fe (II). 这种环保材料证明了可持续净水的成本效益和可重复使用性.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 水处理 处理水的方法
背景情况:
- 铁 (II) 污染对水生生态系统和人类健康构成风险.
- 开发可持续且具有成本效益的吸附剂对于净水至关重要.
- 生物混合材料由于其独特的特性和环境友好性,提供了有前途的解决方案.
研究的目的:
- 为了制造和表征一种新的环保生物混合吸收剂,Zea mays-chitosan@anthracite (MZ-CS@An).
- 为了研究MZ-CS@An对Fe (II) 从水溶液中去除的吸附性能.
- 优化吸附条件,评估材料的成本效益和可重复使用性.
主要方法:
- 制造MZ-CS@An使用奇托,炭酸盐和活性Zea mays.
- 使用XRD,FTIR,BET,TG/DTG,FESEM,EDX和拉曼光谱学的物理化学表征.
- 优化吸附参数 (Fe (II) 度,吸附剂剂量,接触时间) 使用盒式设计 (BBD).
- 动力学,异热学和热力学研究以阐明吸附机制.
主要成果:
- MZ-CS@An展示了强大的结构特征和高表面功能.
- 吸附过程得到了优化,伪二次动力学和乔森的异热模型提供了最佳的适配.
- 物理吸附被确定为主要的机制,吸附是自发的和内热的.
- 实现了低生产成本 (0.09美元/千克/循环) 和高效率 (84.87微克/100升).
- 吸附剂在5个再生周期中保持了高的去除效率.
结论:
- MZ-CS@An是一种高效,可持续和成本效益的吸附剂,用于去除Fe (II).
- 这种生物混合材料在净化水的实际应用方面具有显著的潜力.
- 该研究强调了在环境修复中使用生物基材料的优势.
相关概念视频
Green Algae
756
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
756
Frustration and Conflict: Approach-Approach, Approach-Avoidance
502
Frustration occurs when people are obstructed or prevented from achieving a desired goal or fulfilling a perceived need. For example, when someone's input is ignored in a discussion, it can lead to feelings of frustration. Conflict, however, arises from opposing interests, goals, or actions. Conflicts can take various forms based on the nature of these opposing desires or goals.
One common type of conflict is the Approach–Approach Conflict. In this case, a person faces two desirable...
One common type of conflict is the Approach–Approach Conflict. In this case, a person faces two desirable...
502
Functional Groups
88.0K
Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
88.0K
Functional Groups
24.3K
24.3K
Information Processing Approach
549
The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
549
Actuarial Approach
297
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
297


