STAC Co.,Ltd
Create Comfortable Environment

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Business Area

1 Develop air filtering technology
2 Build air filtering systems (outsource production and sales)
3 Evaluate efficiency of air filtering systems (outsourced research)
4 Intellectual property activities for our air filtering technology
5 Comprehensive consulting services in air filtering field.
6 Technical instructions for corporations.
7 Other related services

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Products and Services

1. VOC emission amount measurement and reduction of VOC emission.

1) Measurement service of VOC emission amount from office machines and furniture
2) Reduction of VOC emission from office machines and furniture
3) Measurement and verification of VOC reduction efficiency (office machines and furniture) 
4) Consulting service on VOC emission reduction from office machines and furniture.

2. Countermeasures against VOC emission in schools and public facilities.

1) Measurement service of VOC emission amount in schools and public facilities.
2) VOC reduction in schools and public facilities.
3) Measurement and verification of VOC reduction efficiency in schools and public facilities.

3. Sales

1) VOC emission measurement system
2) VOC reduction system
3) VOC removal equipment

4. Toxic gas reduction in various situations

1) Remove indoor toxic substances such as formaldehyde that causes cancer and sick building syndrome.
2) Remove toxic gas (HF, HCLHNO3, NH3) in a clean room for semiconductor manufacture.
3) Remove bad smell (NH3, carboxylic acid, methylamine) in raw garbage disposal facilities, restrooms and hospitals.
4) Remove ammonia that causes damage to art works in Museums.
5) Remove odor in facilities such as nursing homes.
6) Remove Cigarette odor in offices and restaurants.

5. Research and consulting service on air filtering technology being outsourced.

6. Evaluation on efficiency of air filtering systems being outsourced.

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Technology and skills

Modern society is full of toxic substances; we can detect numerous substances that emit toxic gas. We measure the amount of toxic substances in industrial fields and daily life, take countermeasures against it and realize gcreation of comfortable environmenth. 

We are a venture company started in Keio University. We have been engaged in research and development of gas capturing and removal method called diffusion scrubber method using diffusion tendency of gas. We developed it based on the research results of the Laboratory of Environmental Chemistry (A research group lead by Prof. Shigeru Tanaka and others). Compared to conventional technology such as chemical filter method and activated carbon method, diffusion scrubber method has the following merits:

-- Handle 10 times more air than the conventional method
-- Running cost is one tenth of those of conventional ones.
-- Removal liquid can be recycled many times when running continuously. (Waste of removal liquid can be significantly reduced.)
-- Lowered removal efficiency can be detected

We believe air filtering by diffusion scrubber method will become a standard in Japan and worldwide in the near future.

We would be glad if we could solve your environmental problem.


Company Information

STAC Co., Ltd.
Room 104, Building K, Shinkawasaki Town Campus, 7-1, Shinkawasaki, Saiwai-ku, Kawasaki, Kanagawa 212-0032 JAPAN
TEL: +81-45-566-1572
FAX: +81-45-566-1572
E-MAIL: info(at)stac-keio.sakura.ne.jp

URL: http://www.stac-keio.jp/

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