65 results about "Chlorinated water" patented technology

RO membranes using chlorinated water as a feed stream maybe protected from damage by the chlorine with a protective layer including reactive nitrogen which forms chloromines on the surface of the membrane that reduce chlorine penetration. This protective layer also provides substantial anti-fouling capabilities, whether used with a chlorinated or unchlorinated feed stream because the chloramines are anti-bacterial. Although chlorine is lost in use, the anti-fouling layer or coating can be recharged with additional chlorine without damaging the discrimination layer. The anti-fouling layer or coating may be advantageously used with Thin film composite, TFC, membranes for use in forward and reverse osmosis may include nanoparticles, monohydrolyzed and / or di-hydrolyzed TMC, and / or alkaline earth alkaline metal complexes or other additives.

A method for killing, preventing, or inhibiting the growth of algae in an aqueous system is provided by providing a haloperoxidase, and hydrogen peroxide or a peroxide source to a chlorinated water system under conditions in which the haloperoxidase, peroxide from the hydrogen peroxide or peroxide source, and chloride ions or chloroamines in the chlorinated water system interact to provide an antialgal agent.

A system and method are disclosed for increasing the concentration of hypochlorous acid in a quantity of water. Acid is injected into chlorinated water to decrease the pH of the chlorinated water. By decreasing the pH, the hypochlorite / hypochlorous acid equilibrium of the chlorinated water is shifted to increase the concentration of hypochlorous acid on the treated water.

The invention provides a red active dye composition which comprises one or a plurality of dye(s) selected from general formula (I) and one or a plurality of dye(s) selected from general formula (II) which are mixed according to a certain proportion. The red dye composition has beautiful color as well as good dyeing property and dye fastness. The color fastness to light, the perspiration light fastness and the like of the red active dye composition are superior to those of the common red dye. Compared with single component dye, the color fixing rate, the promotion property and fastness to chlorinated water of the active dye composition are obviously improved and enhanced.

A plastic pipe is made of a cross-linked polyolefin to be utilized in, but not limited to, potable water applications. Certain antioxidants and stabilizers are added to a process for producing the plastic pipe. The added antioxidants and stabilizers remain as key components in the final plastic pipes, providing superior long term stability and resistance to oxidative degradation, the latter being caused by but not limited to, chlorinated water environments. At least a primary stabilizer is used in the material.

The present invention provides a baffle pipe having a proximal end and a distal end encased in a pipe housing for homeowners to treat their own water sources with sodium hypochlorite. On the proximal end, the baffle pipe is in liquid communication with a cap that includes an inlet and an injection port. The inlet is in liquid communication with a water supply, wherein the injection port infuse the water flowing therethrough with a sodium hypochlorite solution. The distal end of the baffle pipe includes a plurality of angularly spaced pins and projections that position the baffle pipe within the pipe housing. Chlorinated water is ejected through a plurality of perforations along the baffle pipe and forced downstream toward the second end and a bell reducer of the pipe housing, wherein the projections and the bell reducer create a vortex for continuous mixing.

The invention discloses a novel composite active cardinal dye and a manufacturing method thereof. The composite active cardinal dye mainly comprises structural components shown in formula I, formula II and formula III, wherein the weight ratio of the structural components shown in formula I, formula II and formula III is (30-40): (30-40): (5-25). The dye disclosed by the invention can be used fordip dyeing, continuous pad dyeing and printing processes at 50-60 DEG C, and can be also used for cold pad batch dyeing; the dye has good color tone controllability, good dyeing build-up properties, high product solubility and good color fastness to chlorinated water; and the product performance of the dye is superior to that of the traditional active cardinal dye. Formula I, formula II and formula III are shown in the specification.

Disclosed herein are compositions that can form a covering, layer, film, device, and / or prosthetic skin that can be comfortably worn to provide skin barrier function, skin hydration and therapeutic and aesthetic benefits. The present invention provides novel compositions that have low tackiness and form quickly, resulting in a wearable, comfortable (maintains temperature and humidity), breathable, thin, optically invisible, cosmetically elegant, flexible, stretchable, elastic and body-movement conforming, yet long-lasting covering, layer, film, device, and / or prosthetic skin on the skin or any other body surface. The present invention provides novel compositions that can form a covering, layer, film, device, and / or prosthetic skin that works for extended periods in excess of about 24 hours, while retaining function during and after exercising, showering and swimming (in sea-water, fresh water and chlorinated water), steam room (heat at high humidity), and sauna (heat at low humidity).

The invention includes a composition for stabilizing chlorinated water to sunlight decomposition, and methods of preparing compositions. The composition is a slurry composition of a monoalkali metal cyanurate, of low viscosity. Two methods of preparing the slurry are described, in which cyanuric acid or cyanuric acid wetcake is mixed with a monoalkali metal base. One method dry blends cyanuric acid or cyanuric acid wetcake with a monoalkali metal base. The invention also describes a method of preparing a dry, solid monoalkali metal cyanurate.

A robust sunscreen composition is disclosed herein comprising a water soluble polymer and a water insoluble film former providing a synergistic effect in SPF retention and critical wavelength after immersion in water, salt water, and chlorinated water. The water soluble polymer comprises poloxamer 338 (and) PPG-12 / SMDI copolymer, poloxamer 407 (and) PPG-12 / SMDI copolymer, or a combination thereof.

The invention relates to a red reactive dyes containing fluorotriazine, which is characterized by having a structural general formula shown in the specification, wherein R1 and R2 are respectively one of formulas shown in the specification, wherein M refers to alkali metal, Na or K. The red reactive dyes containing fluorotriazine has the characteristics of high reactivity, high solubility, consumption rate and high fastness rate, has good dyeing levelness, diffusibility, compatibility and repeatability, has high fastness to chlorinated water and fastness to light, and is suitable for dyeing fibers, particularly cotton fibers.

The invention discloses a method for testing color fastness (light / chlorinated water composite color fastness) of textiles. The method comprises the following technical processes: immersing fabric into available-chlorine chlorinated water with a concentration of 20 mg / L for 30 min, enabling the fabric to absorb the liquid completely, controlling a mangle expression of the fabric, and enabling a liquid rate of the fabric to be 100%; and performing a light fastness test under an illumination condition with an irradiation amount of 85 KJ / m <2>.nm, and determining the performance of light / chlorinated water composite color fastness of the fabric according to sample color-change situations. According to the method disclosed by the invention, the influences on the color fastness of the textiles from the chlorinated water and illumination are comprehensively considered, and a stage test method comprising the steps of immersing by the chlorinated water and performing the light fastness test is adopted, so that the limited situation that the color fastness standard at home and aboard is only determined by light color fastness or chlorinated water color fastness is broken through.

The invention comprises a control system for monitoring and operating an existing supply water pre-treatment system for supplying de-chlorinated water to dialysis purification systems. The invention includes a controller and an operator interface for programming and interacting with said control systems. The invention further includes an injection assembly having a flow turbine sensor, a reducing agent injector, and an ORP / pH sensor for monitoring and controlling ORP / pH levels of said supply water.

A portable apparatus for adding a dechlorination agent into a fluid stream prior to discharge and a method for treatment of chlorinated water. The portable apparatus can connect in any part of a fluid flow system. A bypass is provided such that a controlled portion of the fluid stream is diverted to a dechlorination agent. The dechlorination agent dissolves in the bypassed fluid flow. The bypassed, dechlorination agent enriched fluid re-enters and mixes with the fluid flow that was not bypassed. As the two streams mix, the total flow receives the required amount of dechlorination before being discharged into the environment. A valve controls proportional flow of the fluid stream through the bypass.

The invention belongs to the technical field of lithium production, and specifically relates to a method for purification and impurity removal of a high-salt chlorinated system. The method comprises the step of: purifying high-salt chlorinated water through a nano-filter to obtain low-salt chlorinated water, wherein, in the high-salt chlorinated water, the content of lithium is 0-52.0 g / L and the content of calcium and magnesium is 0-30 g / L; in the low-salt chlorinated water, the content of lithium is 0-52.0 g / L and the content of calcium and magnesium is less than and equal to 5 mg / L; and a nanofiltration membrane in the nanofilter is a monovalent ion selective nanofiltration membrane. Through the method for purification and impurity removal of the high-salt chlorinated system provided by the invention, the content of calcium and magnesium in impurity-removed drainage water is very low, the content of lithium is very high to reach to a saturation state, the lithium can be directly applied to a refining process of lithium as intermediate goods of lithium production.

The invention discloses a yellow fluorine-containing triazine reactive dye and a preparation method and an application thereof. The dye is characterized by comprising the following general formula, wherein R1 is one of the following components, R2 is a hydrogen atom or C1-C2 alkyl, and M is alkali metal which represents Na and K. The yellow fluorine-containing triazine reactive dye of the invention has the characteristics of high reactivity, high solubility, high exhausting ratio, high fixation ratio, favorable levelling property, diffusivity, compatibility and repeatability as well as high fastness to chlorinated water and fastness to light and is especially suitable for dying cotton fibre.

Methods and systems for sanitization of liquid solutions and food products are provided. In some embodiments, methods are provided for treating a food product or food product preparation or packaging surface to reduce microbial content, comprising contacting the food product or food product preparation or packaging surface with a chlorinated nanobubble solution comprising electrolyzed water. In some embodiments, methods are provided for reducing the growth of bacteria and reversing the growth of biofilm in a water system, comprising chlorinating source water and passing the chlorinated source water through a low zeta potential crystal generator. In some embodiments, methods are provided for purifying water, comprising chlorinating the water and passing the chlorinated water through a low zeta potential crystal generator.

A method comprising forming a polymeric composition by adding zinc oxide to a polymer wherein a pipe formed from the polymeric composition displays a time to failure as determined in accordance with ASTM F2263-07(E1) that is increased by greater than about 25% when compared to an otherwise similar pipe formed from a polymeric composition lacking zinc oxide. A pipe comprising polyethylene and greater than about 0.5 wt.% zinc oxide having a time to failure as determined in accordance with ASTM F2263-07(E1) that is at least about 25% greater than an otherwise similar pipe prepared in the absence of zinc oxide. A method comprising forming a composition comprising a polymer and zinc oxide into an article, and testing the structural integrity of the article when exposed to chlorinated water wherein the zinc oxide is present in an amount of from about 500 ppm to about 10000 ppm.

A water treatment method for improving the water quality of a body of water is disclosed. A water treatment mineral is also disclosed. The water treatment mineral includes a third period electrolyte component comprising magnesium chloride and sodium chloride. The magnesium chloride is more than about 15% by weight of the third period electrolyte. The water treatment mineral may be used with existing water treatment equipment by adjusting the concentration to a level suited to the effective production of hypochlorite anions at a concentration sufficient to sanitize the water.The method includes adding the water treatment mineral to the body of water at a concentration of about 1200 ppm to about 9600 ppm. The water is passed through an electrolytic cell and an electrical potential is applied, sufficient to produce a predetermined concentration of hypochlorite anions in the mineralized water passing through the electrolytic cell to produce chlorinated water. The chlorinated water is then returned to the body of mineralized water.

Systems and methods are disclosed for increasing the concentration of hypochlorous acid in a quantity of water. Acid is added into chlorinated water to decrease the pH of the chlorinated water. By decreasing the pH, the hypochlorite / hypochlorous acid equilibrium of the chlorinated water is shifted to increase the concentration of hypochlorous acid on the treated water and the tendency for precipitation of solids such as carbonates is reduced. A portion of the chlorinated solution can be continuously returned to a mixing tank under pressure.

The invention discloses a novel chlorinated water resistant detection method for textiles. The method comprises the following steps: performing sample treatment, sodium hypochlorite titrating, solution preparing, testing and grading. The detection method disclosed by the invention has the advantages that when novel chlorinated water resistant detection for textiles is performed, the application amount of the solvent is specified, the time of repeated test is reduced, and the working efficiency is improved; the interval time of adding sodium thiosulfate each time is determined, and the accuracyand consistency of the result can be ensured; by increasing color description, the time point of adding the solution can be well mastered by test controllers, the accuracy of the titration result isensured, the accuracy of the sodium hypochlorite can be ensured by ensuring the titration accuracy, the qualification validity of the result is further ensured. Therefore, the method is worthy of popularization.

The present invention is related to pharmaceutical compositions capable of inhibiting or eliminating an infectious process caused by bacteria in warm-blooded animals. The present invention describes a stable formulation with a minimized methylpyrrolidone concentration. In order to reduce N-methylpyrrolidone concentration, a mixture was developed that eliminates the need to add preservatives and exhibiting a suitable viscosity and ensures the solubility of the composition when administered in drinking water at a ratio of dilution of up to 5,000 times in chlorinated or non-chlorinated water.

Animal and poultry solid waste material are treated with a preferred lactobacillus organism, preferably plant derived, in a liquid medium, preferably non-chlorinated water for time sufficient to reduce odor a significant amount.

A system and method are disclosed for increasing the concentration of hypochlorous acid in a quantity of water. Acid is injected into chlorinated water to decrease the pH of the chlorinated water. By decreasing the pH, the hypochlorite / hypochlorous acid equilibrium of the chlorinated water is shifted to increase the concentration of hypochlorous acid on the treated water.

The invention relates to a chlorinated-water-resistant inflatable swimming pool material. The inflatable swimming pool material comprises a PVC printed film, a PVC air-tight film, base cloth and a PVC base film sequentially from top to bottom, wherein the PVC printed film is prepared from a transparent PVC film with one side printed with ink. The inflatable swimming pool material is prepared through the following steps: both sides of the base cloth are sized synchronously, heated by drying and attached synchronously with the preheated PVC printed film, PVC air-tight film and PVC base film, and the inflatable swimming pool material is obtained after edge cutting and coiling. Printed patterns are effectively prevented from being oxidized by swimming pool water, good air tightness is guaranteed, the aging resistance of the inflatable swimming pool material is improved, and the inflatable swimming pool material has better tension load, tear load, stripping load and hydrostatic pressure.

A system for packaging and transporting produce is disclosed. The system includes a cup-shaped base having a bottom with side walls extending upward therefrom to a top rim, the bottom having an outer, substantially flat surface and an inner surface opposite the outer surface, and the inner surface and side walls forming an inner space. The system may further include within the inner space one of soil, an absorbent non-organic material or chlorinated water with additives. The system also includes a substantially dome-shaped top configured to rest upon and mate with the top rim. Methods and devices for packaging and transporting produce are also disclosed

An improved sulfurous acid dechlorination method of chlorinated waters to increase sulfites, prevent SO2 gassing off, and off-setting monovalent chlorides in the treated water for land application.

Disclosed herein are compositions that can form a covering, layer, film, device, and / or prosthetic skin that can be comfortably worn to provide skin barrier function, skin hydration and therapeutic and aesthetic benefits. The present invention provides novel compositions that have low tackiness and form quickly, resulting in a wearable, comfortable (maintains temperature and humidity), breathable, thin, optically invisible, cosmetically elegant, flexible, stretchable, elastic and body-movement conforming, yet long-lasting covering, layer, film, device, and / or prosthetic skin on the skin or any other body surface. The present invention provides novel compositions that can form a covering, layer, film, device, and / or prosthetic skin that works for extended periods in excess of about 24 hours, while retaining function during and after exercising, showering and swimming (in sea-water, fresh water and chlorinated water), steam room (heat at high humidity), and sauna (heat at low humidity).