Linen treatment compositions and linen processes are disclosed which help to prevent iron deposition from wash water, and/or redeposition after iron containing stain (such as blood) removal by alkaline detergents. The linen treatment composition is a combination of a hydroxycarboxylic acid and an acid source, which may be organic or inorganic. The invention provides for effective iron control in a phosphorus-free formula that is also free of toxic or hazardous chemicals and includes sustainable, environmentally friendly ingredients, while still providing effective iron control.

Stain removal device (201, 301A, 401A, 301B, 401B) for treating a stained area (101) on a cloth (102). The stain removal device (201, 301A, 401A, 301B, 401B) comprises a heating plate (102) for heating a bleach chemical solution previously dosed onto the stained area (101) of the cloth (102). The stain removal device (201, 301A, 401A, 301B, 401B) further comprises means (302, 203) for absorbing vapors of the bleach chemical solution generated from the stained area (101) and/or draw air containing said vapors.

Stain removal device (201, 301A, 401A, 301B, 401B) for treating a stained area (101) on a cloth (102). The stain removal device (201, 301A, 401A, 301B, 401B) comprises a heating plate (102) for heating a bleach chemical solution previously dosed onto the stained area (101) of the cloth (102). The stain removal device (201, 301A, 401A, 301B, 401B) further comprises means (302, 203) for absorbing vapors of the bleach chemical solution generated from the stained area (101) and/or draw air containing said vapors.

A method for treating a textile product including, treating the textile product with a treatment liquid and thereafter rinsing the textile product with water, the treatment liquid being obtained by mixing the following components (a) and (b) with water containing a hardness component, provided that the treatment liquid does not include a total of 100 ppm or more of a dicarboxylic acid with 14 or more and 16 or less carbons and a salt thereof, component (a): a sulfosuccinic acid ester having a hydrocarbon group with a predetermined number of carbons or a salt thereof, and component (b): one or more surfactants selected from the following components (b1) and (b2), component (b1): an anionic surfactant (excluding component (a)), and component (b2): a predetermined nonionic surfactant, wherein the treatment liquid satisfies any of the following requirements (1) and (2), requirement (1): content proportion (a)/[(a)+(b1)] is more than 0 mass % and 50 mass % or less, and requirement (2): content proportion (a)/[(a)+(b2)] is more than 0 mass % and 45 mass % or less.

The present invention is a detergent composition for fibers that contains components (a) and (b) described below and satisfies at least one requirement of the following: requirement (1) a proportion of a content of component (a) to a total content of components (a) and (b1) is 35 mass % or more and 80 mass % or less; and requirement (2) a proportion of the content of component (a) to a total content of components (a) and (b2) is 50 mass % or more and 80 mass % or less. Component (a) is a sulfosuccinic acid ester or a salt thereof having a branched hydrocarbon group with 5 or more and 18 or less carbons, and component (b) is one or more surfactants selected from the following components (b1) and (b2): component (b1) an anionic surfactant (excluding component (a)); and component (b2) one or more nonionic surfactants selected from an aliphatic alcohol alkoxylate and an ester alkoxylate.

A method for applying a treatment agent to a substrate, wherein the treatment agent is bound to a solid polymeric particle at a first pH, and wherein the substrate is contacted with the solid polymeric treatment particles under conditions such that the treatment agent is released from the solid polymeric treatment particles.

A method of washing fabric articles in a tunnel washer that includes moving the fabric articles from the intake of the washer to the discharge of the washer and through multiple modules or sectors. Liquid can be counter flowed in the washer interior along a flow path that is generally opposite the direction of travel of the fabric articles. A dual use zone includes multiple of the modules or sectors. In a dual use zone, a module or modules can be used to both wash and thereafter rinse the fabric articles. While counterflow rinsing, the flow rate can be maintained at a selected flow rate or flow pressure head. One or more booster pumps can optionally be employed to maintain constant counterflow rinsing flow rate or constant counterflow rinsing pressure head.

A method of washing fabric articles in a tunnel washer that includes moving the fabric articles from the intake of the washer to the discharge of the washer and through multiple modules or sectors. Liquid can be counter flowed in the washer interior along a flow path that is generally opposite the direction of travel of the fabric articles. A dual use zone includes multiple of the modules or sectors. In a dual use zone, a module or modules can be used to both wash and thereafter rinse the fabric articles. While counterflow rinsing, the flow rate can be maintained at a selected flow rate or flow pressure head. One or more booster pumps can optionally be employed to maintain constant counterflow rinsing flow rate or constant counterflow rinsing pressure head.

Disclosed is a production method of superclean wiping cloth, including the steps of choosing filament, weaving, removing oligomers and dust particles through rinsing process, dehydrating, setting, cutting, washing, drying, and packaging; wherein removing oligomers and dust particles through rinsing process is the key process, the airflow rinsing machine is used to rinse the gray fabric, avoiding the reverse contamination and cloth damage during washing, ensuring a high cleanliness of the gray fabric. Excellent effect of removing oligomers and dust particles will be achieved through adding degreasers of specific formula, in a clean environment, at a specific temperature, whereby a wiping cloth product with stable quality, i.e., real superclean wiping cloth, will be obtained. The rising process is simple and highly efficient, it ensures the stability of product quality and high cleanliness, producing a superclean wiping cloth with high cleanliness and stable quality, using a simple and efficient production process.

Disclosed is a production method of superclean wiping cloth, including the steps of choosing filament, weaving, removing oligomers and dust particles through rinsing process, dehydrating, setting, cutting, washing, drying, and packaging; wherein removing oligomers and dust particles through rinsing process is the key process, the airflow rinsing machine is used to rinse the gray fabric, avoiding the reverse contamination and cloth damage during washing, ensuring a high cleanliness of the gray fabric. Excellent effect of removing oligomers and dust particles will be achieved through adding degreasers of specific formula, in a clean environment, at a specific temperature, whereby a wiping cloth product with stable quality, i.e., real superclean wiping cloth, will be obtained. The rising process is simple and highly efficient, it ensures the stability of product quality and high cleanliness, producing a superclean wiping cloth with high cleanliness and stable quality, using a simple and efficient production process.