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Energies 2017, 10(7), 927; doi:10.3390/en10070927

Design of Ecological CO2 Enrichment System for Greenhouse Production using TBAB + CO2 Semi-Clathrate Hydrate

1
National Institute of Advanced Industrial Science and Technology (AIST), Central 5, 1-1-1, Higashi, Tsukuba, Ibaraki 305-8565, Japan
2
Mitsui Engineering & Shipbuilding, Co., Ltd., 16-1, Tamahara 3, Tamano, Okayama 706-0014, Japan
3
National Agriculture and Food Research Organization, 3-1-1 Kannondai, Tsukuba, Ibaraki 305-8666, Japan
4
Graduate School of Environment, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan
5
Graduate School of Engineering, The University of Tokyo, 73-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
Present address: College of Bioresource Sciences, Nihon University, Tokyo 113-8656, Japan
*
Authors to whom correspondence should be addressed.
Academic Editor: Richard Coffin
Received: 15 April 2017 / Revised: 1 June 2017 / Accepted: 29 June 2017 / Published: 4 July 2017
(This article belongs to the Special Issue Methane Hydrate Research and Development)
View Full-Text   |   Download PDF [1253 KB, uploaded 5 July 2017]   |  

Abstract

This paper proposes an innovative CO2 enrichment system for crop production under a controlled greenhouse environment by means of tetra-n-butylammonium bromide (TBAB) + CO2 semi-clathrate hydrate (SC). In this system, CO2 is captured directly from exhaust gas from a combustion heater at night, which can be used for stimulating photosynthesis of crops in greenhouses during daytime. Although the gas capacity of TBAB + CO2 SC is less than that of CO2 gas hydrate, it is shown that TBAB + CO2 SC can store CO2 for CO2 enrichment in crop production even under moderate pressure conditions (<1.0 MPa) at 283 K. View Full-Text
Keywords: CO2 separation; CO2 storage; flue gas; gas hydrate; horticulture CO2 separation; CO2 storage; flue gas; gas hydrate; horticulture
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Takeya, S.; Muromachi, S.; Maekawa, T.; Yamamoto, Y.; Mimachi, H.; Kinoshita, T.; Murayama, T.; Umeda, H.; Ahn, D.-H.; Iwasaki, Y.; Hashimoto, H.; Yamaguchi, T.; Okaya, K.; Matsuo, S. Design of Ecological CO2 Enrichment System for Greenhouse Production using TBAB + CO2 Semi-Clathrate Hydrate. Energies 2017, 10, 927.

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