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Treatment agent for spilled oil and treatment method for attached spilled oil

A technology for spilled oil and treatment agents, applied in separation methods, water/sewage treatment, chemical instruments and methods, etc., can solve problems such as seawater turbidity, low effect, damage or limitations in operating efficiency, and achieve environmental load small effect

Active Publication Date: 2018-07-03
NEOS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this oil-immersed shoreline chemical cleaning agent is also less effective for high-viscosity spilled oil, which makes the spilled oil emulsified and dispersed in water, causing tea turbidity in seawater
[0005] The removal operation of attached spilled oil without using reagents is considered to have a limitation in the problem of damage to the operation area removed by high-pressure water washing or in operation efficiency

Method used

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  • Treatment agent for spilled oil and treatment method for attached spilled oil
  • Treatment agent for spilled oil and treatment method for attached spilled oil

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Experimental program
Comparison scheme
Effect test

Embodiment 1～7 and comparative example 1～7

[0051] Using the blended oil spill treatment agents shown in Table 1 and Table 2, the oil spill treatment agents were evaluated in accordance with the following evaluations and evaluation criteria of heavy oil removability, emulsification dispersibility, and liquid surface aggregation.

[0052] (1)-Evaluation of Heavy Oil Removal-

[0053] A cold-rolled steel plate (SPCC-SD: 0.8×25×50 mm) degreased with xylene and acetone was coated with C heavy oil (C heavy oil No. 1 manufactured by Kyodo Oil Co., Ltd.: 170 mm) 2 / s (50° C.)), and the sheet that was naturally dried for 24 hours was used as a test piece for the test. The test piece was immersed in the oil spill treatment agent prepared with the composition shown in Table 1 at normal temperature for 30 seconds, and after that, it was immersed in tap water of normal temperature for 10 seconds. The heavy oil removability of the test piece which fully performed natural drying was visually evaluated. The evaluation results are sh...

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Abstract

The invention relates to an oil spill treatment agent, which comprises a sorbitan fatty acid ester (A) with an HLB of 2 to 6 and a hydrocarbon solvent (B) containing a naphthene solvent, wherein the naphthene solvent is the total 20% by weight or more.

Description

technical field [0001] The present invention relates to an oil spill treatment agent and a treatment method for oil adhering to an object. Background technique [0002] Spilled oil such as crude oil or heavy oil spilled due to an accident of a tanker or the like at sea drifts on the sea and adheres to objects such as the coast, wave breakers, and ships. The spilled oil adhering in this way becomes highly viscous due to changes over time, making removal difficult. [0003] At present, in the removal of spilled oil, in order to reduce the toxicity to aquatic organisms, an oil spill treatment agent containing a large amount of paraffin and containing a hydrocarbon solvent with an aniline point of 70° C. or higher as the main component has begun to be used (Patent Document 1), and An oil spill treatment agent containing a polyglycerin fatty acid ester of HLB7 or higher and a hydrocarbon solvent in order to stably emulsify and disperse heavy oil (Patent Document 2). However, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/32C02F1/40
CPCC02F1/682C09K3/32
Inventor 绪方将吾山本修太郎岩男雅之
Owner NEOS CO LTD