Kinds of 'Cleaning'

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Cleaning can be roughly classified into general cleaning and industrial cleaning. General cleaning refers to cleaning, washing and laundry, which are frequently performed in the daily life of humans.
Industrial cleaning covers a wide range of subjects. There are numerous types of cleaning methods that have been developed to date, and it is expected that they will continue to increase in the future.
Classification of the cleaning method from a physical point of view is as follows. (Bold is the area we deal with.)

1. Mechanical cleaning Circulation cleaning
Ultrasonic cleaning
Shower cleaning(air cleaning, water cleaning, hot water cleaning, solvent cleaning, steam cleaning)
High-pressure cleaning (spray gun cleaning, hose cleaning, high-pressure hose cleaning, lance cleaning)
Blast cleaning (sand blasting, water blasting)
Cleaning with rotating equipment (rotating brush cleaning, rotating blade cleaning, electric sander cleaning)
Abrasive grinding cleaning (grinding wheel cleaning, barrel grinding cleaning, lap cleaning, honing cleaning, abrasive cloth belt cleaning, buffing cleaning)
Reciprocating equipment cleaning (rock drilling machine cleaning, electric chisel cleaning, electric scraper cleaning)
Tow cleaning (Bucket machine)
Steam cleaning, cutting machine cleaning, Pigging cleaning, Taprogge cleaning, Suction cleaning, Sand slurry cleaning
2. Wiping and cleaning
3. Solvent cleaning agent Air-burning cleaning, Flame cleaning, Boiling cleaning, Cooling cleaning, Distillation cleaning, and Fusing cleaning
4. Filtering cleaning Pressure filtration cleaning, Vacuum filtration cleaning, and Sedimentation filtration cleaning
5. Separate cleaning Centrifugal cleaning, Swirl cleaning, and Sedimentation cleaning
6. Aeration cleaning Spray aeration cleaning, Downstream aeration cleaning, Agitation aeration cleaning, and Gas blow cleaning
7. Vacuum cleaning
8. Electrostatic cleaning
9. Adsorption cleaning Earth adsorption cleaning, Organic polymer colloid adsorption cleaning, Activated carbon adsorption cleaning, Zeolite adsorption cleaning
10. Membrane cleaning Reverse osmosis, Ultrafiltration, Electrodialysis, Electrophoresis, and Dialysis

Various cleaning agents are used as solvents for the above cleaning methods in order to improve their cleaning properties.

1. Acid cleaning agent Inorganic acids (hydrochloric acid, sulfuric acid, sulfamic acid, phosphoric acid, nitric acid, hydrofluoric acid)
Organic acids (citric acid, hydroxyacetic acid, malic acid, oxalic acid, gluconic acid)
Chelating agent (ethylenediaminetetraacetic acid = EDTA)
2. Alkaline cleaning agents Ammonia, Caustic soda, and Sodium carbonate
3. Solvent cleaning agent Halogen hydrocarbon
Aromaric hydrocarbons
Glycol ethers (polyhydric alcohols)
4. Surfactant Anionic surfactant
Cationic surfactant
Nonionic surfactant
Ampholytic surfactant

The detergents described above are diverse and most of them are consisted of two or more type of agents. Each chemical manufacturer develops a unique cleaning agent according to the target.

In order to ensure the cleaning quality, matching between cleaning method and cleaning agent is indispensable, and in particular, in the case of precision cleaning, it is impossible to ensure the cleaning quality by handling only one of them. In addition, we recommend that you should thoroughly review with specialist manufacturers of cleaning machines and detergents because of concerns for the environment and safety.

We'd appreciate it if you could contact us on the quality assurance consultation of detergents.
If you are interested, please refer to "Product Inquiries" at the bottom of this page.

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"Cleaning" in Electronics industory
Cleaning related to the mounting process is explained using the example of the double-sided mounting process, in which inserted components are mounted (flow process) after surface mounting (reflow process) .

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