Possibility of Recycling Amine-Free Water-Soluble Coolants

To reduce the management cost and environmental load of water-soluble coolants, the authors have been studying a metabolic system for these coolants. In the metabolic system, water resources are recovered from water-soluble coolant waste and reused as a diluent for a new coolant. In this study, we f...

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Main Authors: Takuya KODANI, Kenji YAMAGUCHI, Yasuo KONDO, Satoshi SAKAMOTO
Format: Article
Language:English
Published: The Japan Society of Mechanical Engineers 2012-01-01
Series:Journal of Advanced Mechanical Design, Systems, and Manufacturing
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/jamdsm/6/1/6_1_65/_pdf/-char/en
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author Takuya KODANI
Kenji YAMAGUCHI
Yasuo KONDO
Satoshi SAKAMOTO
author_facet Takuya KODANI
Kenji YAMAGUCHI
Yasuo KONDO
Satoshi SAKAMOTO
author_sort Takuya KODANI
collection DOAJ
description To reduce the management cost and environmental load of water-soluble coolants, the authors have been studying a metabolic system for these coolants. In the metabolic system, water resources are recovered from water-soluble coolant waste and reused as a diluent for a new coolant. In this study, we focused on the recycled use of amine-free water-soluble coolants. Most water-soluble coolants contain alkanolamines for corrosion inhibition and pH maintenance. However, alkanolamines are difficult to eliminate from water-soluble coolants in waste treatment by both chemical and physical processes. Some amine-free water-soluble coolants have been developed and are commercially available, and are regarded as environmentally friendly cutting fluids compared with conventional coolants. We examined the recyclability, lubrication, cooling performance, as well as the ability change of amine-free water-soluble coolants. The amine-free water-soluble coolants showed an equivalent lubrication and cooling performance as amine-containing coolants. The recycling processing time of the amine-free coolants decreased by half with our recycling process. The fluctuations in Brix and pH during long-time usage have also been similar to those in conventional coolants. However, the corrosion inhibition performance of amine-free coolants has been inferior to that of amine-containing coolants.
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spelling doaj.art-19c6992239704af598d710d353083d9a2022-12-22T03:02:11ZengThe Japan Society of Mechanical EngineersJournal of Advanced Mechanical Design, Systems, and Manufacturing1881-30542012-01-0161657510.1299/jamdsm.6.65jamdsmPossibility of Recycling Amine-Free Water-Soluble CoolantsTakuya KODANI0Kenji YAMAGUCHI1Yasuo KONDO2Satoshi SAKAMOTO3Department of Mechanical Engineering, Yonago National College of TechnologyDepartment of Mechanical Engineering, Yonago National College of TechnologyGraduate School of Science and Engineering, Yamagata UniversityFaculty of Education and Human Sciences, Yokohama National UniversityTo reduce the management cost and environmental load of water-soluble coolants, the authors have been studying a metabolic system for these coolants. In the metabolic system, water resources are recovered from water-soluble coolant waste and reused as a diluent for a new coolant. In this study, we focused on the recycled use of amine-free water-soluble coolants. Most water-soluble coolants contain alkanolamines for corrosion inhibition and pH maintenance. However, alkanolamines are difficult to eliminate from water-soluble coolants in waste treatment by both chemical and physical processes. Some amine-free water-soluble coolants have been developed and are commercially available, and are regarded as environmentally friendly cutting fluids compared with conventional coolants. We examined the recyclability, lubrication, cooling performance, as well as the ability change of amine-free water-soluble coolants. The amine-free water-soluble coolants showed an equivalent lubrication and cooling performance as amine-containing coolants. The recycling processing time of the amine-free coolants decreased by half with our recycling process. The fluctuations in Brix and pH during long-time usage have also been similar to those in conventional coolants. However, the corrosion inhibition performance of amine-free coolants has been inferior to that of amine-containing coolants.https://www.jstage.jst.go.jp/article/jamdsm/6/1/6_1_65/_pdf/-char/encuttingwater-soluble coolantrecyclegreen manufacturingmetabolic systemamine-free coolant
spellingShingle Takuya KODANI
Kenji YAMAGUCHI
Yasuo KONDO
Satoshi SAKAMOTO
Possibility of Recycling Amine-Free Water-Soluble Coolants
Journal of Advanced Mechanical Design, Systems, and Manufacturing
cutting
water-soluble coolant
recycle
green manufacturing
metabolic system
amine-free coolant
title Possibility of Recycling Amine-Free Water-Soluble Coolants
title_full Possibility of Recycling Amine-Free Water-Soluble Coolants
title_fullStr Possibility of Recycling Amine-Free Water-Soluble Coolants
title_full_unstemmed Possibility of Recycling Amine-Free Water-Soluble Coolants
title_short Possibility of Recycling Amine-Free Water-Soluble Coolants
title_sort possibility of recycling amine free water soluble coolants
topic cutting
water-soluble coolant
recycle
green manufacturing
metabolic system
amine-free coolant
url https://www.jstage.jst.go.jp/article/jamdsm/6/1/6_1_65/_pdf/-char/en
work_keys_str_mv AT takuyakodani possibilityofrecyclingaminefreewatersolublecoolants
AT kenjiyamaguchi possibilityofrecyclingaminefreewatersolublecoolants
AT yasuokondo possibilityofrecyclingaminefreewatersolublecoolants
AT satoshisakamoto possibilityofrecyclingaminefreewatersolublecoolants