成果報告書詳細
管理番号20160000000441
タイトル*平成27年度中間年報 環境・医療分野の国際研究開発・実証プロジェクト/アジアにおける先進的な資源循環システム国際研究開発・実証/廃油の環境調和型再利用システム
公開日2016/7/7
報告書年度2015 - 2015
委託先名株式会社東亜オイル興業所
プロジェクト番号P11010
部署名環境部
和文要約
英文要約Title: International development study of environment and medical fields/International development study of advanced resource circulation system in Asia/ Environmentally sound an oil recycling system (FY2013-FY2016) FY2015 Annual Report

1. Objective of this project
The objective of this project is to develop and demonstrate the economically efficient and eco-friendly recycling system in East Kalimantan, Indonesia. This system can produce fuel oil (light oil and heavy oil) from waste lubricant oils such as waste engine oil, waste hydraulic oil and concrete release agent from waste transformer oil.

2. Project overview
In FY 2015, our achievements were as follows:

(1) Design and develop the recycling plant matched to local needs
We started plant construction work and finished civil work, oil fence installation, oil separation tank installation and transported equipment from Japan to the site. In particular, civil work was made to be fitted to the local soft geology for long term stable production.

(2) Study on the optimum commercial distribution 1
We conducted interviews with waste oil collecting companies and large users of fuel oils at a seminar organized by the Environmental Agency of East Kalimantan Province. Through the interviews, we obtained detailed information on the main waste oil collectors’ supply capacity and also potential customers for the recycled fuel oils.

(3) Study on the optimum commercial distribution 2
According to our research, potential customers for concrete release agent indicated that the concrete release agent market will be increasing in the long term. They place a higher priority on the product quality than the price, and they are interested in using our recycled product samples.

(4) Data collection on waste oil recycling plant
We conducted plant operation training for two Indonesian engineers at our Chiba plant for a month. The training was especially focused on the health and safety education with special regard to the handling of hazardous materials, types and characteristics of waste oils, structure and danger of machinery and accident case studies.

(5) Study on the pre-treatment method for local characteristic waste oils
We investigated the pre-treatment method for removing water efficiently from local waste oils with high water content which is sometimes emulsified, in order to use in the recycling plant. Based on the literature reviews, we chose the combination method of the adding demulsifier and centrifugally separating. Experiments using collected waste oils were conducted. Though all of the three types of demulsifiers were effective to reduce water content below 5%, there was no significant difference between the types. In the centrifugal separation method, with waste oil temperature 50-60 oC, it took about 6 hours to reduce water content below 5%. The drop was quite significant in the last 3 hours.

(6) Study on the conversion method of heavy oil to light oil
As light oil is more valuable than heavy oil as a fuel oil, we are investigating a process to convert heavy oil to light oil in order to obtain as much light oil as possible. Based on the literature reviews, we adopted the thermal cracking method and the catalytic cracking method, and investigated the process by using commercial products of Marine Fuel Oil (MFO) before experimenting with the recycled products.
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