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2015年12月

Carbon-Negative Energy System -- Sustainable World Energy Supply and Global Environment Restoration Using Renewable and Nuclear Energies --

CnesestitleIn 2011, I published my work on "Nuclear Carbonization and Gasification of Biomass for Effective Removal of Atmospheric CO2" in the Elsevier journal “Progress in Nuclear Energy”.

Recently, I have worked to integrate the CO2 removal task for global environment restoration and the sustainable world energy supply into a nuclear-renewable hybrid "carbon-negative energy system”, and published the following report in June 2015 in Japan;

Masao Hori
"Carbon-Negative Energy System -- Sustainable World Energy Supply and Global Environment Restoration Using Renewable and Nuclear Energies --"
NSA/COMMENTARIES-S No.2, June 2015, Nuclear Systems Association
(85-page Japanese text, ISBN978-4-88911-310-5)

As the report is written in Japanese, I uploaded the Executive Summary in English here for reference. This content was also presented at “The 20th National Symposium on Power and Energy Systems” sponsored by JSME in June 2015 in Sendai, Japan.
(The executive summary can be downloaded from "http://www.ne.jp/asahi/mh/u/HoriCNES_ES.pdf")

Carbonenergybalance2Summarizing the report roughly;


♦ Investigated is a nuclear-renewable hybrid, carbon-negative energy system which supplies energy sustainably to the world and sequestering carbon from the global carbon cycle to control atmospheric CO2 concentration.

♦ Judging from the current global warming trend, it is considered necessary to deploy and operate such a system around middle of 21st century.

♦ In the conceptual system presented, carbon will be effectively removed from the global carbon cycle by the biomass-nuclear synergistic process to produce biochar and biofuel.

♦ Typically, with this carbon-negative energy system in Year 2065, primary energy is supplied by renewable and nuclear energies without fossil fuels, 75% of primary energy is used for generating electricity, 25% of primary energy is used for production of hydrocarbon fuels, and 1.1~4.5 GtonC of carbon is sequestered as biochar from the global carbon cycle.

♦ Amount of biomass processed is within the estimated range of bioenergy potential by several investigators, and amount of nuclear energy supplied is less than the maximum nuclear supply capability by an FBR-Plutonium recycling scheme.

♦ The task of removing CO2 and supplying fuel is a gigantic international public-works project, and it would evolve into creating new big environment/energy businesses.

The report “CARBON-NEGATIVE ENERGY SYSTEM” (Text in Japanese. 85 pages) was published in June 2015 by Nuclear Systems Association, Japan. Instruction for free download of this Japanese report will be auto-replied to email sent to "hori@syskon.jp" with “CNESPDFfile” in the subject.

The Executive Summary of this book was selected by Google Geoengineering Group in its "Review of the Year 2015 in Climate Geoengineering Research and Discussion" which ensembles selected research papers, review articles, editorials, discussion papers, and some influential newspaper articles, a compilation to get to the most important papers that are broadly discussed or bring new insights. (2016.01.10)

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