Graphene Oxide Membrane: Recent Advancement in Waste Water Treatment and its Applications

2020 ◽  
Vol 5 (2) ◽  
pp. 111-157
Author(s):  
Nusrat Sahiba ◽  
Pankaj Teli ◽  
Prakash Prajapat ◽  
Shikha Agarwal
Keyword(s):  
Graphene Oxide ◽  
Water Treatment ◽  
Waste Water Treatment ◽  
Current Status ◽  
Future Research ◽  
Wastewater Management ◽  
Challenges And Opportunities ◽  
Future Challenges ◽  
Potential Applications ◽  
Oxide Membrane

World water resources are barely alive due to various factors such as rise in population, adverse changes in the environment and the effects of pollutants, which increase the demand for fresh-water. Numerous techniques have been developed to solve the problem of water inadequacy, but most of them are adverse with respect to the environment and economy. Graphene-oxide (GO) nanopore materials may be an effective solution for water-purification due to its properties of easy fabrication and modification. This next-generation membrane has high waterflux, selectivity, and permeability to selected molecules. In this discussion, we have covered the latest technologies and potential applications of GO for waterpurification, which shall help researchers to get quick ideas for future research to design and fabricate multi-layered GO membranes. This article gives a snapshot of current status and proposed strategies of graphene-membranes for water treatment with earlier information to wastewater management and stimulated progress in this area from 2017 to date. The future challenges and opportunities in this field have also been highlighted.

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 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.

Earth Long-Wave Infrared Emission, New Ways to Harvest Energy

2015 ◽  
pp. 1-25
Author(s):  
Luciano Mescia ◽  
Pietro Bia ◽  
Onofrio Losito
Keyword(s):  
Low Cost ◽  
Dielectric Substrate ◽  
Infrared Emission ◽  
Long Wave ◽  
Challenges And Opportunities ◽  
Future Challenges ◽  
Recent Developments ◽  
Potential Applications ◽  
Long Wave Infrared ◽  
Thz Antennas

This chapter summarizes the physical properties of THz antennas, provides a summary of some of the most important recent developments in the field of energy harvesting of Earth long-wave infrared radiation, discusses the potential applications and identifies the future challenges and opportunities. In particular, a THz antenna is designed in order to transform the thermal energy, provided by the Sun and re-emitted from the Earth, in electricity. The proposed antenna is a square spiral of gold printed on a low cost dielectric substrate. Simulations have been conducted in order to investigate the behavior of the antenna illuminated by a circularly polarized plane wave with an amplitude chosen according to the Stefan-Boltzmann radiation law. Moreover, these THz antennas could be coupled with other components to obtain direct rectification of T radiation. As a consequence, these structures further optimized could be a promising alternative to the conventional photovoltaic solar cells.

Electric field modulated ion-sieving effects of graphene oxide membranes

2021 ◽  
Vol 9 (1) ◽  
pp. 244-253
Author(s):  
Zhi Yi Leong ◽  
Zhaojun Han ◽  
Guangzhao Wang ◽  
Dong-Sheng Li ◽  
Shengyuan A. Yang ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Energy Storage ◽  
Water Treatment ◽  
Electric Field ◽  
Research Field ◽  
Selective Separation ◽  
Two Dimensional ◽  
Potential Applications ◽  
Oxide Membranes ◽  
Graphene Oxide Membranes

Precise and selective separation of ions using two-dimensional (2D) laminar membranes is a budding research field with potential applications in water treatment, desalination, sensing, biomimicry and energy storage.

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.

scholarly journals Graphene-Based Films: Fabrication, Interfacial Modification, and Applications

Nanomaterials ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 2539
Author(s):  
Sihua Guo ◽  
Jin Chen ◽  
Yong Zhang ◽  
Johan Liu
Keyword(s):  
Mechanical Properties ◽  
Graphene Film ◽  
Current Status ◽  
Mechanical And Thermal Properties ◽  
Coating Technology ◽  
New Class ◽  
Interfacial Modification ◽  
Challenges And Opportunities ◽  
Potential Applications ◽  
Preparation Strategy

Graphene-based film attracts tremendous interest in many potential applications due to its excellent thermal, electrical, and mechanical properties. This review focused on a critical analysis of fabrication, processing methodology, the interfacial modification approach, and the applications of this novel and new class material. Strong attention was paid to the preparation strategy and interfacial modification approach to improve its mechanical and thermal properties. The overview also discussed the challenges and opportunities regarding its industrial production and the current status of the commercialization. This review showed that blade coating technology is an effective method for industrial mass-produced graphene film with controllable thickness. The synergistic effect of different interface interactions can effectively improve the mechanical properties of graphene-based film. At present, the application of graphene-based film on mobile phones has become an interesting example of the use of graphene. Looking for more application cases is of great significance for the development of graphene-based technology.

Earth Long-Wave Infrared Emission, New Ways to Harvest Energy

2017 ◽  
pp. 1875-1899
Author(s):  
Luciano Mescia ◽  
Pietro Bia ◽  
Onofrio Losito
Keyword(s):  
Low Cost ◽  
Dielectric Substrate ◽  
Infrared Emission ◽  
Long Wave ◽  
Challenges And Opportunities ◽  
Future Challenges ◽  
Recent Developments ◽  
Potential Applications ◽  
Long Wave Infrared ◽  
Thz Antennas

This chapter summarizes the physical properties of THz antennas, provides a summary of some of the most important recent developments in the field of energy harvesting of Earth long-wave infrared radiation, discusses the potential applications and identifies the future challenges and opportunities. In particular, a THz antenna is designed in order to transform the thermal energy, provided by the Sun and re-emitted from the Earth, in electricity. The proposed antenna is a square spiral of gold printed on a low cost dielectric substrate. Simulations have been conducted in order to investigate the behavior of the antenna illuminated by a circularly polarized plane wave with an amplitude chosen according to the Stefan-Boltzmann radiation law. Moreover, these THz antennas could be coupled with other components to obtain direct rectification of T radiation. As a consequence, these structures further optimized could be a promising alternative to the conventional photovoltaic solar cells.

Sign in / Sign up

Export Citation Format

Share Document