環境負荷軽減のための研削スラッジリサイクル : 第1報研削スラッジリサイクルのための基礎調査(社会・環境)

概要

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Companies like bearing maker which produce precision machinery use many grinding machines in their manufacturing processes. These machines by-produce a lot of grinding sludge, most of which is dumped into landfills now. Being an ISO14001-certified company, it is responsible for establishing of recycling technology and contributing to our recycle-based society. It is however difficult for companies to progress the sludge recycling if additional expense is required. So it is important to establish recycling technology which enables to reduce environmental load together with cost reduction. There are two reasons for difficulty to recycle the grinding sludge. One reason is that it contains a lot of coolant and the other is of its self ignition. Thus separation of the coolant from the sludge economically will be key technology. By using a test machine, it was confirmed that it was possible to separate the coolant from the sludge economically and reuse metal and coolant. It was also confirmed that briquette doesn't have any danger for self ignition after separation.
社団法人日本鉄鋼協会の論文
2006-05-01