Studies on practical removal system of NOx from boiler flue gas using microalgae
微藻脱除锅炉烟气NOx实用化系统研究
基本信息
- 批准号:09555254
- 负责人:
- 金额:$ 8.83万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:1997
- 资助国家:日本
- 起止时间:1997 至 1999
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Nitric oxide (NO) is a main component of NOx in flue gas. We found that it was possible to remove NO from flue gas using the microalgal culture system. For practical application of this system, improvement of NO removal ability, stable and continuous NO removal, and NO removal under outdoor conditions are required. In this study, therefore, the following investigations were done to evaluate practicability of this system.1. Rate limiting factors in the NO removal system was investigated. Based on that information, the ability of NO removal in this system could be increased by improving cultivation conditions.2. NO could be continuously removed under light condition. For outdoor system, it is important to drive this system under light-dark cycle. It was found that stable and continuous NO removal was successfully achieved by illuminating weak light during dark period in the light-dark cycle.3. By investigation of NO removal mechanism in the cells, it was shown that dissolved NO was directly taken in the cells, oxidized to nitrite and nitrate, and then consumed by the nitrogen assimilation pathway. The oxidation ability of NO to nitrite and nitrate might be supplied by the photosynthesis under light condition and the respiration under dark condition.4. The effect of SOx on NO removal from flue gas was investigated. It was shown that this system was available to remove NO from the desulfurized flue gas containing low concentration of SOx.
一氧化氮(NO)是烟气中NOx的主要成分。我们发现,这是可能的,从烟道气中去除NO使用微藻培养系统。该系统的实际应用需要提高NO的脱除能力,稳定连续地脱除NO,并在室外条件下脱除NO。因此,在本研究中,进行了以下研究来评估该系统的实用性.研究了脱硝系统中的速率限制因素。基于此,可以通过改善培养条件来提高该系统对NO的去除能力.在光照条件下,NO可以持续去除。对于室外系统,重要的是在光暗循环下驱动该系统。研究发现,在光暗循环的暗期采用弱光照射,可以实现稳定连续的NO去除.通过对细胞内NO去除机制的研究表明,溶解态NO被细胞直接摄取,氧化为亚硝酸盐和硝酸盐,然后通过氮同化途径被消耗。NO对亚硝酸盐和硝酸盐的氧化能力可能是由光照条件下的光合作用和黑暗条件下的呼吸作用提供.研究了烟气中SOx对NO脱除的影响。结果表明,该系统可用于脱除低浓度SOx脱硫烟气中的NO。
项目成果
期刊论文数量(19)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Ken-Ichi Yoshihara: "Simultaneous Removal of COィイD22ィエD2 and NOx from Flue Gas by Microalgae"Eco Industry. Vol. 2, No. 11. 5-11 (1997)
Ken-Ichi Yoshihara:“微藻同时去除烟道气中的 CO22D2 和 NOx”《生态工业》,第 2 卷,第 11. 5-11 期(1997 年)。
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- 影响因子:0
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Hiroyasu Nagase: "Characteristics of Biological NOx Removal from Flue Gas in a Dunaliella tertiolecta Culture System"Journal of Fermentation and Bioengineering. Vol. 83, No. 5. 461-465 (1997)
Hiroyasu Nagase:“Dunaliella tertiolecta 培养系统中烟气中生物 NOx 去除的特性”发酵与生物工程杂志。
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Kazuhisa Miyamoto: "Microbial Biotechnology for Clean Environment - Simultaneous removal of CO_2 and NO_x by microalgal culture"Proceeding of APEC Workshop, Application of Photosynthetic Microorganisms in Environmental Technology. 53-61 (2000)
宫本一久:“清洁环境的微生物生物技术——微藻培养同时去除CO_2和NO_x”APEC研讨会论文集,光合微生物在环境技术中的应用。
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- 影响因子:0
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吉原健一: "微細藻類による排ガス中CO_2/NO_xの同時除去技術"Eco Industry. Vol.2No.11. 5-11 (1997)
吉原健一:“利用微藻同时去除废气中的CO_2/NO_x技术”Eco Industry Vol.2No.11(1997)。
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- 影响因子:0
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Kazuhisa Miyamoto: "Mircrobial Biotechnology for Clean Environment - Simultaneous removal of CO_2 and NOx by microalgal culture -"Proceeding of APEC Workshop, Application of Photosynthetic Microorganisms in Environmental Technology. (in press). (2000)
宫本和久:“清洁环境的微生物生物技术——通过微藻培养同时去除CO_2和NOx——”APEC研讨会论文集,光合微生物在环境技术中的应用。
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MIYAMOTO Kazuhisa其他文献
MIYAMOTO Kazuhisa的其他文献
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{{ truncateString('MIYAMOTO Kazuhisa', 18)}}的其他基金
Development of Cryopreservation Technique and Its Diffusion in South-east Asia for Conservation of Tropical Plant Germplasms Useful for Search for Bioactive Metabolites.
低温保存技术的发展及其在东南亚的传播,用于保护热带植物种质,有助于寻找生物活性代谢物。
- 批准号:
14406031 - 财政年份:2002
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
New technology for biological production of oil-alternate fuel from organic waste
有机废弃物生物生产石油替代燃料新技术
- 批准号:
13836006 - 财政年份:2001
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Utilization of algal biomass produced by Nox treatment system and collected from eutrophic lake
Nox处理系统产生的富营养化湖泊藻类生物质的利用
- 批准号:
12555229 - 财政年份:2000
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Microalgal removal of hazardous chemicals in the environment
微藻去除环境中的有害化学物质
- 批准号:
11672227 - 财政年份:1999
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Conversion of algal biomass to hydrogen by marine bacterial consortia
海洋细菌群落将藻类生物质转化为氢气
- 批准号:
09650876 - 财政年份:1997
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Reutilization of environmental pollutants in Southeast Asia
东南亚环境污染物的再利用
- 批准号:
07044145 - 财政年份:1995
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for international Scientific Research
Photosynthetic CO2-fixation and hydrogen production by marine microalgae
海洋微藻光合二氧化碳固定和氢气生产
- 批准号:
02650688 - 财政年份:1990
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
相似海外基金
Calcium-dependent protein kinase in osmoregulation of the halotolerant green alga Dunaliella tertiolecta
钙依赖性蛋白激酶在耐盐绿藻 Dunaliella tertiolecta 渗透调节中的作用
- 批准号:
06454013 - 财政年份:1994
- 资助金额:
$ 8.83万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)