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エアロゾル研究
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エアロゾル研究 Vol. 31(2016) No. 2
夏

特集「最近の我が国のクリーン化技術の動向」

特集にあたって: 最近の我が国のクリーン化技術の動向

並木則和, 鍵直樹

公開日: 2016年06月23日

p.80

本文PDF[683K]

人と製造物を完全分離するミニマルファブとその開発

原史朗, クンプアンソマワン, 谷島孝, 前川仁, 池田伸一, 石田夕起

公開日: 2016年06月23日

p.81-88

The minimal fab concept was designed in order to achieve brand-new semiconductor fab whose investment cost is 1/1,000 less than that of a conventional mega fab. The targets of minimal fab are the device markets with high-variation and low-volume. The minimal fab has three important features; (1) the wafer diameter is a half inch, (2) each process tool size is 294 mm wide × 450 mm deep × 1440 mm high, and (3) no clean room is needed due to the adoption of local clean technology. This paper describes the concept, the local clean technology of minimal equipment, and the fabrication of devices using the equipment.

天井レスクリーンルームにおける環境制御に関する研究

栗木茂, 鈴木孝彦, 永井裕之, 伊藤茂久, 村江行忠, 太田裕司

公開日: 2016年06月23日

p.89-95

In recent years, reduction of initial and running costs of industrial cleanroom is becoming more important because of the price competition of the products. There are previous reports on the cleanroom in which local clean environment near the production area was achieved while simplifying building finish and facilities system as a technique which is not possible by the conventional concept.
This paper is the outline of comparison of CFD and experiment between conventional and ceilingless cleanroom in the non-unidirectional airflow cleanroom. Furthermore, we added a system which can change air flow volume according to the particle concentration, and evaluated the effectiveness in energy-saving by the experiments. As a result, we confirmed that the cleanliness of the ceilingless Cleanroom II was comparable to the conventional system, and that it is possible to reduce air flow volume of FFU while keeping the same cleanliness.

バイオクリーンルームにおける微生物対策予測―次亜塩素酸水の検証を中心に―

山口一, 山田容子

公開日: 2016年06月23日

p.96-103

In pharmaceutical or food production facilities, a high standard of internal environment of the facility is required, including countermeasures against microorganisms. These countermeasures from the facility point of view include partitioning of work zones (zoning), and cleaning the air using HEPA filters. However, when workers/researchers are working within a facility, dispersion of dust or adhering microbe brought in with clothes, etc., cause pollution of the air. In this report, the sterilization performance of weak acid hypochlorous solution used as the chemical substance was verified. In addition, the sterilization performance in an actual space varied not only with the chemical substance used, but also with the condition of the room, the air conditioning system, the method of spraying, etc. Therefore, from the above sterilization performance tests using chemical substances, the raw data required for a computational fluid mechanics (CFD) model were derived. A method which is capable of predicting the effect of the chemical substance t under various conditions was investigated, and the results are reported.

人工光型植物工場における栽培環境制御とクリーン化技術

丸山真一

公開日: 2016年06月23日

p.104-109

A plant factory is a facility that precisely controls the internal environment to allow year-round and systematic culture of plants, such as vegetables. Plant factories are now said to be in the third boom. Along with increasing awareness among consumers, vegetables produced in plant factories are catching on in the market.
The closed plant factory with artificial lighting is a closed system with high cleanliness, which enables highly controlled cultivation environment, suitable for the production of high value-added plants. This article focuses on the closed plant factory with artificial lighting and introduces the culture environment for plants and the outline of the control and cleaning technologies.

研究論文

中国北部農村地域の農業廃棄バイオマス民生燃料由来のPM_2.5中の炭素成分と無水糖類の特性

王青躍, 伊藤恒一, 岡本敬義, 佐藤慎平, 姜兆武, 関口和彦, 董旭輝, 白文濤, （故）王瑋, 呂森林, 坂本和彦

公開日: 2016年06月23日

p.110-120

In rural areas of northern China, local household combustion system so-called “Kang” is widely used for heating and cooking with coal, firewood and agricultural waste biomass during the winter season. It is one of the largest pollution sources of fine particles which influence the regional atmosphere and human health. In this study, field measurements were conducted to determine the characteristics of carbonaceous particles including anhydrosugars emitted from Kang combustion of agricultural wasted biomass fuels such as rice straw, corncob, maize stem and gaoliang in rural area in Daton, China. PM_2.5 were collected using a personal PM_2.5 sampler. Then, we determined the organic carbon (OC), elemental carbon (EC) and anhydrosugars such as levoglucosan (L), mannosan (M), galactosan (G) as the biomass burning tracers in PM_2.5. Exhausted carbonaceous particles from Kang combustion of agricultural waste biomass were mostly OC fractions, which may be affected by combustion conditions (smoldering or flame burning), combustion temperature and moisture content when dry or wet waste biomass samples were burnt. It was found that the composition ratios of G/L and (M+G)/L from the combustion of different dry waste biomass samples are obviously higher than those of wild fire and shrubland reported in the literatures.

金属イオンの磁気回収を目的とした超常磁性キレート樹脂複合粒子の噴霧乾燥法による合成

木下卓也, 山内雄平, 石井俊充, 足立元明

公開日: 2016年06月23日

p.121-129

Composite particles of superparamagnetic nanoparticles coated with silica and chelate resin, we call superparamagnetic chelate resin (SPMCR) particles, were synthesized by a combined method of aerosol and liquid process for removing metal ions from wastewater by adsorption. First, Fe₃O₄ nanoparticles were prepared by a co-precipitation method and were embedded in silica particles by an alkaline hydrolysis of tetraethylorthosilicate. The Fe₃O₄ nanoparticles embedded in silica particles (Fe₃O₄@SiO₂ nanoparticles) showed a magnetic property similar to superparamagnetic and were hardly dissolved in 2M HCl aqueous solution. Then the SPMCR particles were prepared by spraying the suspension of Fe₃O₄@SiO₂ nanoparticles and chelate resin particles. The resultant particles by this method were the mixture of SPMCR particles and Fe₃O₄@SiO₂ nanoparticles. They adsorbed 0.89 mmol g^-1 of Cu²⁺ but 0.61 mmol g^-1 was recovered by the desorption with water. Both the adsorbed and the desorbed masses of Cu²⁺ were reduced by 22~25 % after five repetitions of adsorption and desorption.

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巻号一覧
エアロゾル研究

エアロゾル研究 Vol. 31(2016) No. 2
夏

特集「最近の我が国のクリーン化技術の動向」

特集にあたって: 最近の我が国のクリーン化技術の動向

人と製造物を完全分離するミニマルファブとその開発

天井レスクリーンルームにおける環境制御に関する研究

バイオクリーンルームにおける微生物対策予測―次亜塩素酸水の検証を中心に―

人工光型植物工場における栽培環境制御とクリーン化技術

研究論文

中国北部農村地域の農業廃棄バイオマス民生燃料由来のPM_2.5中の炭素成分と無水糖類の特性

金属イオンの磁気回収を目的とした超常磁性キレート樹脂複合粒子の噴霧乾燥法による合成

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巻号一覧 エアロゾル研究

エアロゾル研究 Vol. 31(2016) No. 2 夏

特集「最近の我が国のクリーン化技術の動向」

特集にあたって: 最近の我が国のクリーン化技術の動向

人と製造物を完全分離するミニマルファブとその開発

天井レスクリーンルームにおける環境制御に関する研究

バイオクリーンルームにおける微生物対策予測―次亜塩素酸水の検証を中心に―

人工光型植物工場における栽培環境制御とクリーン化技術

研究論文

中国北部農村地域の農業廃棄バイオマス民生燃料由来のPM2.5中の炭素成分と無水糖類の特性

金属イオンの磁気回収を目的とした超常磁性キレート樹脂複合粒子の噴霧乾燥法による合成

システムメンテナンス

J-STAGEからのお知らせ

ジャーナルツール

この資料を共有

巻号一覧
エアロゾル研究

エアロゾル研究 Vol. 31(2016) No. 2
夏

中国北部農村地域の農業廃棄バイオマス民生燃料由来のPM_2.5中の炭素成分と無水糖類の特性