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  6. [Work Example] Tank cleaning for the repair of a nitric acid (67.5%) tank.

[Work Example] Tank cleaning for the repair of a nitric acid (67.5%) tank.

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last updated:Sep 10, 2025

swell
swell
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Using a chemical pump, transfer the nitric acid from the tank to the IBC container and carry out cleaning inside the tank!

Our strength lies in proposing optimal cleaning methods tailored to the site, contributing to improvements in both cost and efficiency. We have a track record of specialized high-level work in various environments, from cleaning services focused on factory wastewater treatment facilities, piping, and tanks to the recovery of powdered materials and work in acidic and alkaline environments, as well as long-distance horizontal transport. 【Work Location】 Nitric acid tank within a stationery manufacturing factory 【Purpose of Work】 Cleaning work associated with the repair of the nitric acid tank 【Work Details】 Using a chemical pump, the nitric acid in the tank was transferred to an IBC container. After cleaning with a high-pressure washing vehicle, the wastewater was collected with a vacuum truck, completing the work. The recovered nitric acid and wastewater will be processed as industrial waste at a later date. 【Work Duration】 2 hours 【Number of Workers】 7 people 【Equipment Used】 - 10t vacuum truck - Cleaning vehicle - 10 IBC containers - Chemical pump - Chemical protective clothing - Chemical protective gloves - Respirator mask - Goggles - Face shield - Light-blocking sheet 【Amount Recovered】 7 IBC containers

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img_sagyougo_20250606-min.JPG

[Work Example] Tank cleaning for the repair of a nitric acid (67.5%) tank.

img_sagyougo_20250606-min.JPG
img_sagyougo_20250606-min.JPG img_sagyomae_20250606-min.JPG img_sagyoutyu_20250606-min.JPG img_sagyougo_20250606-min.JPG img_kemiponsiyou_20250606-min.JPG img_tankgaikan_20250606-min.JPG img_sagyoyousu_20250606-min.jpg
  • Related Link - https://www.swell-gh.com/case
  • Special site - Product/service details - https://pr.mono.ipros.com/swell-gh/product/

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basic information

Are there any issues with factory equipment such as 'I don't know how to clean it' or 'I can't find a contractor that can help urgently'? Swell Co., Ltd. will provide total support for your equipment maintenance operations with our experience and know-how. We utilize the technical capabilities of high-performance special vehicles, such as the 'super powerful suction truck' boasting one of the largest airflows in Japan and the 'multi-suction truck dedicated to powder' which is the only one in the country, to accomplish tasks that have been difficult until now. We offer a one-stop service through our in-house group collaboration, covering everything from cleaning to collection and transportation, as well as industrial waste disposal. Under thorough safety management by qualified personnel, we can respond extensively from Kyushu to Tohoku.

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Applications/Examples of results

Tank cleaning with nitric acid (67.5%) for tank repair.

Detailed information

  • img_tankgaikan_20250606-min.JPG

    Tank appearance

  • img_sagyomae_20250606-min.JPG

    Before work

  • img_sagyoutyu_20250606-min.JPG

    In progress

  • img_sagyoyousu_20250606-min.jpg

    Work situation

  • img_sagyougo_20250606-min.JPG

    After work

  • img_kemiponsiyou_20250606-min.JPG

    Use of chemical pump

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[Work Example] Cleaning work for various tanks containing nitric acid (67.5%)

[Work Example] Cleaning work for various tanks containing nitric acid (67.5%)

TECHNICAL
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Case Study Collection 1_ Swell Co., Ltd.

Case Study Collection 1_ Swell Co., Ltd.

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Cleaning services specialized in factory equipment - Swell Co., Ltd. Company brochure

Cleaning services specialized in factory equipment - Swell Co., Ltd. Company brochure

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Cleaning services specialized in factory equipment - Swell Corporation General Information

Cleaning services specialized in factory equipment - Swell Corporation General Information

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Company information

swell

swell

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Our company, Rivax Co., Ltd., has been engaged in the collection, transportation, and intermediate processing of industrial waste. In response to the need for a comprehensive service that includes not only waste disposal but also factory cleaning, we launched the swell business, specializing in equipment cleaning, in 2014, and we established it as a separate entity in 2024, marking our 10th anniversary. We have a proven track record of specialized high-level work in various environments, including cleaning services focused on factory wastewater treatment facilities, piping, and tanks, as well as the collection of powdered materials, acid and alkaline sites, and long-distance horizontal piping. Our strengths lie in our ability to address customer challenges that have not been solved until now, utilizing the advanced technology of our high-performance vacuum and cleaning vehicles, and proposing better cleaning services tailored to the customer's site, contributing to improvements in cost and efficiency. With our technical expertise and proposal capabilities, we contribute to maintaining the functionality of the environmental infrastructure in factories.

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