Provided is a cleaning solvent composition that comprises a cis-1-chloro-3,3,3-trifluoropropene solvent and an additive, wherein the additive contains at least one type of compound selected from the group consisting of nitroalkanes and epoxides.

Provided are a cleaner composition that can exhibit excellent cleaning ability by including a predetermined amount of water, and can also effectively suppress metal corrosion; and a cleaning method thereof. Disclosed is a cleaner composition in a white turbid state including first to fourth organic solvents and water, in which the first organic solvent is a hydrophobic aromatic compound or the like; the second organic solvent is a hydrophobic monoalcohol compound; the third organic solvent is a predetermined hydrophilic nitrogen-containing compound or the like; the fourth organic solvent is a hydrophilic amine compound; the amount of incorporation of water is adjusted to a value within the range of 50 to 3,900 pbw with respect to 100 pbw of the total amount of the organic solvents, and when the cleaner composition is subjected to phase separation, the water concentration in the oil phase is adjusted to a value of 5 wt. % or less.

Embodiments of the present disclosure provide a surface treatment composition and methods for using same. The composition for removing contaminants from a metallic surface, can include 3 wt % to 40 wt % of at least one bifunctional alkaline compound, 0.03 wt % to 10 wt % of at least one oxidizer comprising a metal salt, and water, where all weight percentages are based on the total weight of the composition.

Embodiments of the present disclosure provide a surface treatment composition and methods for using same. The composition for removing contaminants from a metallic surface, can include 3 wt % to 40 wt % of at least one bifunctional alkaline compound, 0.03 wt % to 10 wt % of at least one oxidizer comprising a metal salt, and water, where all weight percentages are based on the total weight of the composition.

Embodiments of the present disclosure provide a surface treatment composition and methods for using same. The composition for removing contaminants from a metallic surface, can include 3 wt % to 40 wt % of at least one bifunctional alkaline compound, 0.03 wt % to 10 wt % of at least one oxidizer comprising a metal salt, and water, where all weight percentages are based on the total weight of the composition.

Embodiments of the present disclosure provide a surface treatment composition and methods for using same. The composition for removing contaminants from a metallic surface, can include 3 wt % to 40 wt % of at least one bifunctional alkaline compound, 0.03 wt % to 10 wt % of at least one oxidizer comprising a metal salt, and water, where all weight percentages are based on the total weight of the composition.

A method of treating or maintaining an apparatus is achieved by subjecting at least one treated component of an apparatus to electrochemical corrosion protection. The treated component has surfaces treated with a coating of a treatment composition of a colloidal particle dispersion having inorganic nanoparticles with an average particle size from 500 nm or less that exhibit properties of Brownian motion. At least some of the inorganic nanoparticles are ionically charged nanoparticles, and wherein at least some of the ionically charged nanoparticles reside on the surfaces when the at least one treated component of an apparatus is subjected to electrochemical corrosion protection.

A process to clean a metal surface, the process comprising applying to the metal surface a composition comprising at least the following components a) and b), wherein component a is at least one ether amine selected from Formula 1A, as described herein, and/or at least one ether amine selected from Formula 1B, as described herein; and component b is at least one chelate. A composition comprising components a) and b), as discussed above.

A process to clean a metal surface, the process comprising applying to the metal surface a composition comprising at least the following components a) and b), wherein component a is at least one ether amine selected from Formula 1A, as described herein, and/or at least one ether amine selected from Formula 1B, as described herein; and component b is at least one chelate. A composition comprising components a) and b), as discussed above.