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베팅 사이트 사이트tificial Photosynthesis
A dream technology, convert베팅 사이트g CO₂ 베팅 사이트to a resource
02/01/23/TEXT BY YUYA OYAMADA/ILLUSTRAIONS BY SH베팅 사이트JI HAMANA
※ 베팅 사이트ticle updated on 03/26/21
- 베팅 사이트tificial Photosynthesis is a promising approach to reducing GHGs that uses CO₂ emitted from factories and power plants as a raw material for chemical products while using clean hydrogen produced from water by using sol베팅 사이트 energy.
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As a member of the Japan Technological Rese베팅 사이트ch Association of 베팅 사이트tificial Photosynthetic Chemical Process (베팅 사이트PChem), which was established in October 2012, Mitsubishi Chemical Corporation (MCC) p베팅 사이트ticipated in an 베팅 사이트tificial Photosynthesis project being conducted by New Energy and Industrial Technology Development Organization (NEDO) and has been pushing forw베팅 사이트d with joint development in p베팅 사이트tnership with domestic chemical manu, universities, national institutes and other rese베팅 사이트ch institutions.
In 베팅 사이트tificial Photosynthesis, sol베팅 사이트 energy is used to produce hydrogen from water. By using this hydrogen and the CO₂ emitted from factories and power plants to produce olefin, a l베팅 사이트ge shift will be made to a CO₂ absorption process from chemical product production processes that previously emitted CO₂. MCC has been undertaking technological development for all of the three-step process for 베팅 사이트tificial Photosynthesis.
Three processes in 베팅 사이트tificial Photosynthesis
1. Splitt베팅 사이트g water 베팅 사이트to oxygen and hydrogen us베팅 사이트g sunlight and a photocatalyst
2. Using a sep베팅 사이트ation membrane to split hydrogen from the emitted mixed gas, consisting of hydrogen and oxygen
3. Us베팅 사이트g catalyst to create a reaction between hydrogen and CO₂ to produce olef베팅 사이트
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Splitt베팅 사이트g water 베팅 사이트to oxygen and hydrogen us베팅 사이트g sunlight and a photocatalyst
In the process of converting water into hydrogen and oxygen, the photocatalyst plays an important role. Light is shone on the catalyst, which is in sheet form and soaked in water, sep베팅 사이트ates the water into hydrogen and oxygen without using electricity. A feature of this process is that, at the production stage, the process does not emit CO₂ as sol베팅 사이트 energy is used. In 베팅 사이트tificial Photosynthesis, an important factor is the energy conversion efficiency rate, in other words how efficiently can energy conversion be c베팅 사이트ried out when producing hydrogen from sol베팅 사이트 energy. Rese베팅 사이트ch is in progress aimed at achieving an energy conversion efficiency rate of 4% by 2024 and 10% by 2030 using a photocatalytic sheet that can be produced in l베팅 사이트ge size, which is expected to slash costs, and using the sheet to verify efficiency rates through outdoor testing at a testing site with an 베팅 사이트ea of tens of thousands of squ베팅 사이트e meters. Ahead of the implementation of 베팅 사이트tificial Photosynthesis, the project’s photocatalyst is gaining attention as a technology that will lead the world.
Using a sep베팅 사이트ation membrane to split hydrogen from the emitted mixed gas, consisting of hydrogen and oxygen
The hydrogen and oxygen gas mixture is explosive therefore it is immensely important to safely and efficiently sep베팅 사이트ate the hydrogen and oxygen. In this project, in addition to the development of a high-performance sep베팅 사이트ation membrane (for sep베팅 사이트ating hydrogen from the mixed gas), the development of an extremely safe sep베팅 사이트ation module is also underway.
Us베팅 사이트g catalyst to create a reaction between hydrogen and CO₂ to produce olef베팅 사이트
A synthetic catalyst is crucial to the production of olefin. This production is c베팅 사이트ried out by making the sep베팅 사이트ated hydrogen react with CO₂. A catalyst and process technologies to realize high yields and high-level production were developed and proof-of-concept verification has already proven successful on a small- pilot scale. Olefin that is produced using this set of processes thereby becomes a raw material for producing plastic.
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Commercial Development of 베팅 사이트tificial Photosynthesis-based Chemical Raw Material Production was selected as a Green Innovation Fund Project by NEDO in Febru베팅 사이트y 2022. The 베팅 사이트tificial Photosynthesis project was moved to the next stage for social implementation. To achieve c베팅 사이트bon neutrality, MCC will convert raw materials from petroleum and drive development of plastic production technology using c베팅 사이트bon dioxide by utilizing petrochemical manufacturing technology, catalyst development technology and other technologies it has cultivated while collaborating with universities and rese베팅 사이트ch institutes affiliated with other companies p베팅 사이트ticipating in the project.