scholarly journals Application of Magnetic Nano Particles and their Composites as Adsorbents for Waste Water Treatment: A Brief Review

2021 ◽  
pp. 246-278
Author(s):  
M. Dhiman
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Waste Water Treatment ◽  
Nano Particles ◽  
Future Perspective ◽  
Isotherm Models ◽  
Water And Wastewater Treatment ◽  
The Future ◽  
Potential Applications ◽  
Surface Modified

The present review highlights the different types of nano ferrites and their surface modified composites as an alternative adsorbent in waste water treatment. In this review, the recent progresses and potential applications of SFNPs/SFNCs for the removal of organic and inorganic contaminants through adsorption routes are critically reviewed. There are number of water purification techniques but the adsorption is one of the simplest, effective and economical method for wastewater purification. Adsorption isotherm models, kinetic models, thermodynamic parameters and adsorption mechanism have also been discussed. The present article lists different type of adsorbents and reviews state-of-the-art of the removal of different pollutants from water. The efforts have been made to discuss the sources of contamination and toxicities of pollutants. The possible techniques of recovery and reuse, toxicity, research gaps and the future perspective of SFNPs are also discussed in brief. Based on this review, it is possible to conclude that SFNPs and their derivative composites have unlimited capacity in addressing array of problems encountered in water and wastewater treatment. The present study highlights the future areas of research for waste water treatment.

Design of chiral Co(ii)-MOFs and their application in environmental remediation and waste water treatment

RSC Advances ◽  
2016 ◽  
Vol 6 (30) ◽  
pp. 25149-25158 ◽  
Author(s):  
Sudeshna Bhattacharya ◽  
Sukhen Bala ◽  
Raju Mondal
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Carboxylic Acids ◽  
Environmental Remediation ◽  
Waste Water Treatment ◽  
Potential Applications

The present work reports construction of Co-MOFs with amide based bispyrazole ligand and different carboxylic acids which have potential applications in CO2 adsorption and photocatalytic waste water treatment.

Fabrication of Fe3O4@reduced graphene oxide composite via novel colloid electrostatic self-assembly process for removal of contaminants from water

2015 ◽  
Vol 3 (2) ◽  
pp. 832-839 ◽  
Author(s):  
Jie Ding ◽  
Baojun Li ◽  
Yushan Liu ◽  
Xiaoshe Yan ◽  
Sha Zeng ◽  
...  
Keyword(s):  
Waste Water ◽  
Graphene Oxide ◽  
Water Treatment ◽  
Reduced Graphene Oxide ◽  
Self Assembly ◽  
Waste Water Treatment ◽  
Assembly Process ◽  
Oxide Composite ◽  
Reduced Graphene ◽  
Potential Applications

Fe3O4@reduced graphene oxide composite (FGNC) was synthesised, and for rhodamine B (RhB) and As5+ removal, the excellent behavior of FGNC highlights 3 potential applications in waste water treatment.

scholarly journals Automatic waste water treatment, aeration, and retrieval for a hybrid aquarium/plant system

2018 ◽  
Vol 185 ◽  
pp. 00038
Author(s):  
An-Bang Cheng ◽  
Min-Chie Chiu ◽  
Che-Min Chiu
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Irrigation System ◽  
Global Climate ◽  
Waste Water Treatment ◽  
Nitrifying Bacteria ◽  
Climate Conditions ◽  
Plant System ◽  
System A ◽  
The Future

Because of the greenhouse effect, global climate changes will adversely influence the water supply in the future. As can be seen in traditional reservoirs, the crisis will be exacerbated due to the reservoir‘s sedimentation. From a global view, 70 % of freshwater resources are used for agricultural purposes. Thus, water management and infrastructure changes are needed to improve the situation if current climate conditions continue into the future. In order to save water resources, an attempt to reuse a pond‘s wastewater for agricultural irrigation is proposed. Utilizing waste water treatment via nitrification (with nitrifying bacteria) and aeration processes, the plant will receive enough fertilizer extracted from fish dung. Additionally, to assure a safe environment, the temperature, dissolved oxygen, and pH (potential of hydrogen) value of the aquarium will be monitored online and shown on the interface of the server device. Various automatic functions such as an aquarium filtering system, a waste water treatment system, a plant irrigation system, a waste water aeration system, and a water retrieval system are also designed in the hybrid aquarium/plant system. Consequently, a prototype of a PC-based automatic plant/aquarium hybrid system is established.

Review on magnetic nanoferrites and their composites as alternatives in waste water treatment: synthesis, modifications and applications

2020 ◽  
Vol 6 (3) ◽  
pp. 491-514 ◽  
Author(s):  
Mukesh Kumar ◽  
Harmanjit Singh Dosanjh ◽  
Sonika ◽  
Jandeep Singh ◽  
Kamarul Monir ◽  
...  
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Waste Water Treatment ◽  
Present Review ◽  
Different Types ◽  
Surface Modified ◽  
Alternative Adsorbents

The present review highlights different types of nanoferrites and their surface-modified composites as alternative adsorbents in waste water treatment.

scholarly journals Three-dimensional artificial transpiration for efficient solar waste-water treatment

2017 ◽  
Vol 5 (1) ◽  
pp. 70-77 ◽  
Author(s):  
Xiuqiang Li ◽  
Renxing Lin ◽  
George Ni ◽  
Ning Xu ◽  
Xiaozhen Hu ◽  
...  
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Thermal Management ◽  
Light Absorption ◽  
Waste Water Treatment ◽  
Three Dimensional ◽  
Steam Generation ◽  
Photon Management ◽  
Potential Applications ◽  
Solar Steam Generation

Abstract Solar steam generation is emerging as promising solar-energy conversion technology for potential applications in desalination, sterilization and chemical purification. Despite the recent use of photon management and thermal insulation, achieving optimum solar steam efficiency requires simultaneous minimization of radiation, convection and conduction losses without compromising light absorption. Inspired by the natural transpiration process in plants, here we report a 3D artificial transpiration device with all three components of heat loss and angular dependence of light absorption minimized, which enables over 85% solar steam efficiency under one sun without external optical or thermal management. It is also demonstrated that this artificial transpiration device can provide a complementary path for waste-water treatment with a minimal carbon footprint, recycling valuable heavy metals and producing purified water directly from waste water contaminated with heavy metal ions.

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