IIT Guwahati research 2020: Great, solutions worked out

IIT Guwahati research 2020: Great, solutions worked out
Published at : 22 Apr 2020, 7:01 PM IST
Updated at : 28 Aug 2021, 4:01 PM IST

IIT Guwahati research, the research team of the prestigious institution developed hierarchically structured graphene oxide nanosheets that can selectively separate oily or aqueous contaminates from respective emulsions.

The researchers of Indian Institute of Technology Guwahati have developed a graphene-based superhydrophobic materials that can separate oil and water from both oil-in-water and water-in-oil emulsions respectively.

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IIT Guwahati research

IIT Guwahati research paper has been authored by Dr. Uttam Manna, Associate Professor, Department of Chemistry, IIT Guwahati along with his research scholars Mr. Avijit Das, Mr. Kousik Maji, and Mr. Sarajit Naska.

Oil–water separation techniques have a number of industrial and environmental applications. Various porous and bulk substrates such as sponge that are made superhydrophobic, have been used to absorb oil from oil-water emulsions.

The IIT Guwahati research team has shown the efficacy of hierarchically structured graphene oxide nanosheets in removing oil or aqueous contaminates from respective emulsions, thereby effecting separation of oil and water.

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Superhydrophobic materials – materials with extreme water repellence – are considered the best materials for removing oil from water, and they are being extensively studied for applications such as water purification and self-cleaning surfaces.

The problem with superhydrophobic materials is that they are generally not scalable, or use environmentally toxic products such as fluorinated polymers/small molecules, or have poor mechanical and chemical stability.

Moreover, the conventional spongy superhydrophobic materials are inherently less appropriate for separating oil-in-water emulsion due to poor accessibility of the dispersed oil droplets to the oil absorbing superhydrophobic interface.

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Speaking about IIT Guwahati research Dr. Manna said the hydrophobicity of materials is largely governed by the physical architecture and the chemical composition, and so such materials can be rationally created by combining low-surface-energy materials with hierarchical roughness.

This is exactly what the IIT Guwahati research group has done in its quest for oil-water separating materials. The IIT Guwahati research team have manipulated graphene, a form of carbon, to have superhydrophobic properties suitable for separation of oil from water in emulsions.

IIT Guwahati research
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The study of graphene for such applications is not unprecedented. Since the award of the Nobel prize to its creators in 2010, graphene – two dimensional structures of carbon – has been extensively studied for a variety of applications.

Composed of pure carbon, graphene is similar to graphite but with characteristics that make it extraordinarily light and strong, giving it a moniker of “wonder material” in present day materials science research.

Research all over the world have attempted to engineer the structure and composition of graphene to get surface roughness and low surface energy, suitable for use in applications that require superhydrophobicity. Such engineering is challenging and complicated.

The IIT Guwahati team has developed a facile method to produce graphene oxide-polymer composite with hierarchical topography and low surface energy chemistry in the confined space.

Such graphene oxide species showed ‘confined-super- water-repellence’. They further deposited iron oxide nanoparticles on the two dimensional nanosheets, which made the entire material magnetically active.

Dr. Manna further said their graphene oxide composites were able to separate oil from water in emulsions with high efficiency.

The uniqueness was that the separation could be brought about even under extremes of pH, salinity, surfactant contaminations etc. as is seen in real life scenarios.

The IIT Guwahati research team’s graphene oxide species was capable of selectively soaking up tiny crude-oil droplets in oil-to-water emulsions with high absorption capacity (above 1000 wt%), as well as coalescing larger oil droplets of emulsions from water-in-oil emulsions.

IIT Guwahati research

Further functionalization of this chemically/magnetically active 2D-nano-interface could help in the development of functional interfaces for various applications related to energy, catalysis and healthcare, said Dr. Manna.

IIT Guwahati research work has so far covered areas like theoretical and applied aspects of core science physics, chemistry and mathematics), social sciences, information and communication technology, electronics, artificial intelligence.

Material science, nanotechnology, biotechnology, alternative energy, environment, water resources, structural and earthquake engineering, geotechnical engineering, chemical engineering, heat transfer, machine design, manufacturing, product design and others are also covered as a part of research.

IIT Guwahati research (sponsored) in the institute has contributed in terms of development in knowledge and technology. It has also helped to bring the academia closer to the industry.

In addition, it has added to the infrastructure of the Institute through acquisition of modern equipment for the research projects.

The IIT Guwahati research projects have also acted as the training ground for the young post-graduates just out of the universities.

IIT Guwahati Research and Development Office is the wing of the Institute which facilitates, channelizes, records and regulates as per the Institute rules all the sponsored research projects and consultancy works in the Institute.

The Research and Development Section is administered by the Dean of Research and Development.

S.
S. Vishnu Sharma

S Vishnu Sharmaa now works with collegechalo.com in the news team. His work involves writing articles related to the education sector in India with a keen focus on higher education issues. Journalism has always been a passion for him. He has more than 10 years of enriching experience with various media organizations like Eenadu, Webdunia, News Today, Infodea. He also has a strong interest in writing about defence and railway related issues.

JEE Mains 2025 Application On till 25 February 2025 For 2nd Session, All Information Available Here

JEE Mains 2025 Application On till 25 February 2025 For 2nd Session, All Information Available Here
Published at : 16 Feb 2025, 9:33 PM IST
Updated at : 16 Feb 2025, 9:33 PM IST

JEE Mains 2025 Application submission for the second session is going on till 25 February 2025 at ‘https://jeemain.nta.nic.in/’

The application submission began on 1 February 2025. Students who could not undertake JEE Mains 2025 Application submission for the first session can undertake the same during the second session.

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This is one of the well-known competitive exams in India that sees registration of more than six lakh students every year. JEE Mains 2025 Application is for the second session now.

JEE Mains 2025 Application

Admit cards will be available about three days before the actual date of the examination of the applicant. Exam will be conducted from 1 to 8 April 2025 tentatively.

Results for the second session are to be released by 17 April 2025. There is more to it than meets the eye as far as JEE Mains 2025 Application submission is concerned.

Admission Open in SRM for 2025
JEE Mains 2025 Application

The exam will have three papers, Paper 1, Paper 2A, Paper 2B. Paper 1 of JEE Mains 2025 is for students focused on graduation in engineering (BE or BTech).

Students keen on studying under graduation in architecture (BArch) have to appear for Paper 2A, those who wish to study graduation in planning (BPlan) have to appear for Paper 2B.

Admission Open in LPU for 2025

Architecture aspirants have also to answer questions related to creativity, innovation, drawing along with that of maths, physics and chemistry.

Format of questions will be multiple choice where every question has more than one reply option and the right one has to be chosen for getting marks.

Who can submit JEE Mains 2025 Application?

Students who have passed plus-two from a recognized educational institution with subjects as maths, physics and chemistry can take up JEE Mains 2025 application submission.

Even students who have appeared for the plus-two exams and are waiting for results or who are about to appear for the qualifying exam can also submit JEE Mains 2025 application.

Admission Open in VIT for 2025

However, these students have to pass the exam and provide proof of it by the time of admission. Not able to do, may lead to cancellation of admission.

JEE Mains 2025 Application Fee

The url to access the official website for submitting applications is ‘https://jeemain.nta.ac.in/’

1. The URL mentioned above has to be typed into the browser and submitted to allow the website to download.

2. Once the website is ready, candidates can read all the information about the exam.

3. After knowing everything about the exam, candidates can scroll down the webpage and click JEE(Main)-2025 Session-2 Registration

4. Clicking the above button opens another webpage with URL ‘https://examinationservices.nic.in/JeeMain2025/root/Home.aspx?enc=WPJ5WSCVWOMNiXoyyomJgDUffqDdG1LTsAPBKFcEC9W88CTkt2ITzilIsFR7gKxO’

5. Once the webpage with above URL opens, candidates have to press New Registration on the left side and create an account with username and password.

6. After registration, come back to the same webpage with the same URL mentioned in Point No 4 and type the username and password on the right side and sign in to fill the JEE Mains 2025 Application.

Point to remember

Candidates who have already submitted applications for the first session, can directly login and apply for the second session. However, those applying for the second session freshly, have to register and create credentials to login and submit JEE Mains 2025 application for second session.

Post application submission

Individuals who have submitted their JEE Mains 2025 application successfully can download their admit card about three days before they are to appear for the exam.

JEE Mains 2025 Application submission rules

1. Type the URL mentioned above in the browser and submit it to allow the website to download.

2A. After the website is available, candidates can click the link for admit card and then enter their credentials created during the registration and submit them to view the admit card.

2B. Candidates can also click the registration link for the exam and login using the credentials created during the initial registration to view the admit card.

3. After the admit card is visible, candidates can download and take a printout.

Exam

Candidates have to appear for the exam and then pass it with the required qualifying marks which are also known as cutoff marks.

Students who pass the exam with the required score can take part in the counselling process to obtain seats in NITs, IIITs or IIITDMs.

Those willing to study in IITs have to pass JEE Mains with a score that falls under top 2.5 lakh ranks on a national level to apply for JEE Advanced, a written test required to qualify for admission into IITs.

S.
S. Vishnu Sharma

S Vishnu Sharmaa now works with collegechalo.com in the news team. His work involves writing articles related to the education sector in India with a keen focus on higher education issues. Journalism has always been a passion for him. He has more than 10 years of enriching experience with various media organizations like Eenadu, Webdunia, News Today, Infodea. He also has a strong interest in writing about defence and railway related issues.



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