News register
Search section
Search area
News Type
News type
Search date
Search word OR
List of related articles
Contents of related articles
No info was found
List of related articles
Contents of related articles
No info was found
View details
Information

01/28/2020 HYU News > Academics > 이달의연구자

Title

[Excellent R&D] Turning Waste into Fuel

Professor Yang Hyun-ik (Department of Mechanical Engineering)

임지우

Copy URL / Share SNS

http://www.hanyang.ac.kr/surl/A3bGB

Contents

Coal is an important energy source, providing for over a quarter of the world's primary energy and two-fifths of electricity. Nevertheless, the controversy over it causing air pollution is getting more intense each year. Professor Yang Hyun-ik (Department of Mechanical Engineering), in his recent research titled ‘Development and Demonstration of the Facility to create Green Pellet Using Waste Wood,’ has provided an eco-friendly way to burn coal and further showed the possibility to produce a competent renewable energy source, solely using wastes.

The research aims to develop a facility that successfully converts waste wood and sewage sludge into pellets and burn them with coal. Pellets are a type of fuel that is burnt with coal in the process of generating electricity, made by condensing inflammable wood into a pellet shape. This addition is made almost mandatorily because it reduces the exhaust gas and fine dust caused by burning coal. However, Korea has very few facilities that are capable of producing pellets, and using inflammable-quality domestic wood is highly expensive, so currently, reliance on import is inevitable. Yang’s suggestion was to develop a domestic facility that could produce pellets out of waste wood from Korea as well as sewage sludge, thus making competent eco-friendly ‘green’ pellets.
 

Professor Yang Hyun-ik (Department of Mechanical Engineering), in his recent research, designed a facility that successfully converts waste wood and sewage sludge into 'green' pellet.


The green pellets are made using the hydrothermal carbonation technology. Much like the process of making charcoal, carbonation technology compresses carbon by heat. Hydrothermal carbonation is one kind of the technology that carries out the process underwater so that it creates no air pollution. Yang says the facility can convert not only specific wastes, like waste wood or sewage sludge, but all kinds of wastes, including food garbage and even human waste into fuel.

The completed facility will be installed in the current cooperating company, Korea East-West Power Corporation. The first step is to succeed in a reduced scale production of one ton within two years, and the next three years will be devoted to producing a real-life scale of one-hundred-ton pellets. Once the technology proves successful, Yang anticipates spreading this technology globally. “Everyone says extracting renewable energy from wastes is important, but not many institutions are doing any practical research. In this sense, this technology is extremely important and necessary on a world-wide scale,” said Yang.



Lim Ji-woo        il04131@hanyang.ac.kr
Photos by Kim Ju-eun

Copy URL / Share SNS

0 Comments