Preventing Waste Oil From Polluting River And
Coastal Sea Environments By A Novel Technology
Author(s)
M. Sumimoto1 & T. Azuma2
Abstract
Every day, a huge amount of waste lubricating oil (LO) is generated worldwide.
It is feared that some of this waste oil is discarded or slips into the environment.
We developed a novel technology that enables semi-permanent use of LO
without generating any waste, compensating for lost oil and reducing LO
consumption. This technology keeps LO clean much like our kidneys clean our
blood; the technology is therefore called a kidney system. The kidney system has
been working well in many marine and cogeneration diesel engines, hydraulic
machines, and machine workshops. The authors have also applied the kidney
system to various environmental problems by custom remodelling it for each
specific application. Focusing on preventing pollution of coastal sea, this paper
reports the authors’ rationale for this research and the waste oil situation both in
Japan and abroad and gives an outline of the technology we developed.
Furthermore, a case in which the authors succeeded in preventing waste oil from
polluting rivers and neighbouring coastal sea is presented. The waste oil was
generated in air compressors of a fertilizer plant as a mixture of LO and cooling
water; i.e. emulsion of oil in water (O/W).
Keywords: no waste oil, semi-permanent use of engine oil, emulsion of oil in
water, waste oil from compressors, fertilizer plants, slip of oil, pollution of river
and coastal sea.
1 Introduction
The authors have been engaged in developing a system of technologies for
provision of clean fuel oil, clean lubricating oil (LO) [1], and clean water [2].
Keywords
no waste oil, semi-permanent use of engine oil, emulsion of oil in
water, waste oil from compressors, fertilizer plants, slip of oil, pollution of river
and coastal sea.
Related Book
Other papers in this volume
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