28 results about "Water composition" patented technology

The invention discloses a chemical adding control system for sewage treatment, which comprises a data acquisition module used for acquiring sewage inlet water quality data and inlet water flow, water quality data of each sewage treatment process and discharge water quality data in real time; the data acquisition module is used for acquiring dosing data and detection data; the data preprocessing module is used for assigning the partial water quality data Em based on a preset judgment threshold value; the dosing prediction module is used for inputting the real-time data into the self-attention dosing prediction model and outputting to obtain a next dosing strategy; the self-attention dosing prediction model corrects the attention score matrix based on the chemical reaction relation matrix E; and the dosing control module is used for dosing according to the output dosing strategy. The method can adapt to sewage component and concentration changes, and the dosing strategy of each process of sewage treatment is accurately predicted and obtained.

The disclosure relates to methods for determining an amount of seawater, an amount of aquifer water, and an amount of original reservoir water in a produced water sample using oxygen and hydrogen isotope ratios. An 18O / 16O ratio (δ18O) and a D / H ratio (δD) are measured for a seawater sample, an aquifer water sample, and an original reservoir water sample and are used to make a mixing model. δ18O and δD are measured in a produced water sample and the mixing model can be used to determine the amounts of each constituent in the produced water sample.

The invention discloses a recycling treatment method and system for tailing slag recycling wastewater, and relates to the technical field of wastewater recycling treatment. The method comprises the following steps: acquiring a wastewater sample of the tailing slag recycling wastewater; performing sample analysis on the wastewater sample to obtain wastewater component information; selecting a wastewater treatment mode according to the wastewater component information; the treated wastewater to be discharged is detected again, and if no harmful substance is detected or the content of the harmful substance is lower than a specified content threshold value, the wastewater to be discharged is discharged; otherwise, the wastewater to be discharged is recycled and retreated. According to the method, the component information in the wastewater is obtained by detecting and analyzing the wastewater sample, then the corresponding wastewater treatment mode is selected according to the component information, and finally, whether the treated wastewater contains harmful substances or not is observed through re-detection, so that it is guaranteed that the tailing slag recycling wastewater can be treated to the maximum extent, and the treatment efficiency is improved. The wastewater discharge is effectively reduced, the environmental pollution is reduced, and meanwhile, the effective cyclic utilization of environmental resources is realized.

Systems and methods presented herein relate to processing produced oilfield brine by deconstructing it into two useful components: (1) desalinated water and (2) a suspension of solid-state salt (e.g., crystallized salt) slurried in a salt-saturated brine, which may be formulated and injected into hydrocarbon-producing formations above hydraulic fracturing pressure to intentionally create regions of localized high stress within the respective formations. In addition, systems and methods presented herein relate to processing oilfield brine received from hydrocarbon-producing wells by: (1) coupling high-pressure desalination technologies with saltwater disposal (SWD) operations, (2) active management of SWD water composition at the rock face through dual stream (e.g., split-stream) injection, and / or (3) coupled SWD injection, flow assurance, and stimulation to minimize SWD formation damage and injection pressures.

The disclosure aims to provide a basic subcritical water composition and a water-containing composition each capable of decomposing, for example, polymers while preventing or reducing corrosion of the reaction device, and a device and a container therefor. The disclosure relates to a basic subcritical water composition having a pH of 13.7 or lower and a potential of 400 mV or higher at a current density exceeding 10 mA / cm2 in an anodic polarization curve obtained using a steel material as a working electrode.

This invention discloses an electro-assisted passivation solution and its preparation and passivation methods. The raw materials of the electro-assisted passivation solution include the following components: 0.1-1 wt.% alkali-soluble mercapto compound, 0.1-1 wt.% amphoteric oxide, 1-5 wt.% inorganic alkali, 0.5-1.5 wt.% nonionic surfactant, and the balance being water. The components do not contain toxic substances. The passivation solution is suitable for electro-assisted passivation processes. The film formation process on copper parts is very fast, and the formed film layer is dense and uniform, resulting in good corrosion resistance, high protection effect, and environmental friendliness for the copper parts.

To provide a calcium carbonate compound and a water-containing composition capable of further reducing shrinkage of a heated surface and elevation of back surface temperature during heating when used in an inorganic molded body as a building material. A dispersion of the calcium carbonate compound dispersed in water in a concentration of 33 mass% has a viscosity of 1000-2000 cP at 30 rpm. The viscosity of a dispersion dispersed in water in a concentration of 33 mass% is preferably 1000-2500 cP at 6 rpm. The ratio μ6 / μ30 of the viscosity μ6 of a dispersion dispersed in water in a concentration of 33 mass% at 6 rpm to the viscosity μ30 at 30 rpm is preferably 1.0-2.5.

The invention discloses a slag slow cooling circulating water treatment method, a medium, a controller and a water treatment system, and relates to the technical field of water treatment.The method comprises the steps that water quality monitoring is conducted on slag slow cooling circulating water according to a first preset period, and water quality data are obtained; performing big data analysis on the water quality data in a second preset period to form statistical data, the second preset period being greater than the first preset period; and determining a target treatment strategy according to the statistical data, and treating the slag slow cooling circulating water according to the target treatment strategy. The method is combined with a water quality monitoring technology, a slag slow cooling circulating water component dynamic change table is obtained through data analysis, and the slag slow cooling circulating water is treated according to the component dynamic change table, so that the scaling corrosion phenomenon is reduced.

The purpose of the present invention is to provide an alkaline subcritical water composition, a water-containing composition, a device, and a container which are capable of inhibiting corrosion of a reaction device and capable of decomposing a polymer and the like. The present disclosure is an alkaline subcritical water composition having a pH of 13.7 or less and a potential of 400 mV or more when a current density exceeds 10 mA / cm2 in an anodic polarization curve in which a steel material is used in a test electrode.

The invention discloses a method for removing thallium in a natural iron-containing mineral and hydrogen peroxide system, and belongs to the technical field of sewage treatment. The surface of the obtained natural iron-containing mineral has abundant groups, and the natural iron-containing mineral can be used as a Fe (II) donor to form a Fenton oxidation system with H2O2 to quickly remove thallium pollutants in water. Meanwhile, in consideration of the problems of complex actual wastewater components, numerous interference factors and the like, the invention provides the removal performance of the natural iron-containing minerals on the thallium-containing wastewater under different conditions, and the treatment effect is relatively good. As a high-efficiency and low-cost wastewater treatment process, the method disclosed by the invention provides certain practical application significance for removing thallium.

Systems and methods presented herein relate to processing produced oilfield brine by deconstructing it into two useful components: (1) desalinated water and (2) a suspension of solid-state salt (e.g., crystallized salt) slurried in a salt-saturated brine, which may be formulated and injected into hydrocarbon-producing formations above hydraulic fracturing pressure to intentionally create regions of localized high stress within the respective formations. In addition, systems and methods presented herein relate to processing oilfield brine received from hydrocarbon-producing wells by: (1) coupling high-pressure desalination technologies with saltwater disposal (SWD) operations, (2) active management of SWD water composition at the rock face through dual stream (e.g., split-stream) injection, and / or (3) coupled SWD injection, flow assurance, and stimulation to minimize SWD formation damage and injection pressures.

The embodiment of the invention discloses an oil-in-water composition and a preparation method of the oil-in-water composition, the oil-in-water composition comprises an oil phase, and the oil phase comprises oil which serves as first grease, contains a monoester or diester structure and has a LogP value larger than or equal to 3 and smaller than or equal to 10; phytol as an oil soluble stabilizer; fructus psoraleae phenol ferulate; an aqueous phase, the aqueous phase comprising: an aqueous phase thickener; water; wherein the mass ratio of the phytol to the bakuchiol ferulate to the first grease is (1-5): 1: (35-45). According to the oil-in-water composition prepared in the embodiment, the greasy use feeling can be reduced, the irritation risk is greatly reduced, and the use stability is improved.

Methods to increase the efficiency and throughput of hydrocarbon stream cracking by inhibiting the formation of, or resolving an emulsion, in an ethylene production quench water system. The method includes contacting a non-alkoxylated branched or linear polyethylenimine (PEI) with a quench water composition from the quench water system under conditions suitable to prevent the formation of an emulsion or to resolve the quench water composition into two immiscible phases.

The utility model discloses a sewage component analysis sampler relates to sewage sampling technical field, including main part including cylinder, the top and bottom of cylinder are connected with bucket cover and cylinder bottom respectively, and the bottom of cylinder bottom is connected with the supporting leg, is used for sampling collection to sewage, the utility model discloses in the period of water inlet pipe, overflow pipe and drain pipe in this period, the water inlet operation, overflow and drainage collection of taking all are handled through the sealed bucket, for some stink sewage treatment, avoid because the environment around, through the overflow cavity formed between the collecting bucket and overflow cylinder, the first sedimentation filtration to the sewage in the cylinder, and then the second sedimentation filtration of filter screen, can effectively filter out the granular impurity and floccy sundries of greater weight, avoid the influence sewage analysis's result.

To provide a concentrated dampening water composition that even if a time in a state of a concentrated dampening water composition elapses, can exert sufficient antiseptic property when diluted to turn into a dampening water.SOLUTION: A content of a hydroxyl carboxylic acid and / or a salt thereof in a concentrated dampening composition needs to be less than 0.3 mass% when the concentrated dampening water composition contains a compound having an isothiazolinone skeleton as an antiseptic agent of a dampening water. If a content of a hydroxyl carboxylic acid and / or a salt thereof is 0.3 mass% or more, a compound having an isothiazolinone skeleton decomposes to materially reduce antiseptic properties.SELECTED DRAWING: None

The present application discloses a method and system for utilizing sewage based on a recyclable clean fracturing fluid system, the method comprising: obtaining the water quality standard of the clean fracturing fluid system; obtaining first sewage information; obtaining a first pretreatment instruction; performing a standard test on the first sewage according to the first pretreatment instruction to obtain second sewage component information and second component content information of the first sewage information; obtaining a first treatment scheme through a sewage treatment scheme matching model; treating the first sewage according to the first treatment scheme to obtain first purified water; and mixing the first purified water with a recyclable clean fracturing fluid thickener. The method solves the technical problem that a large amount of sewage is generated when the fracturing technology is used to increase oil field production in the prior art, and the sewage is usually treated by filtration and chemical flocculation, and the entire sewage treatment process is complicated, takes a long time, and the treatment uses high manpower and material costs.

OIL-IN-WATER EMULSION COMPOSITION The present invention relates to an oil-in-water emulsion composition comprising: (i) more than 2% by weight of at least one C14-C30 fatty alcohol, relative to the total weight of the composition; (ii) at least one anionic surfactant selected from sulfonates and sulfates; (iii) at least one hydrophilic acrylic homopolymer; and (iv) at least one amphiphilic acrylic copolymer. The present invention also relates to a non-therapeutic method for the treatment and / or makeup of keratinous materials. Figure for the abstract: none

The invention discloses a membrane-mediated THz biological regulation mineral ion water composition and a preparation method thereof, and relates to the technical field of soft substance dielectric regulation and weak-field THz biophysics, the composition comprises an aqueous phase medium and an ion component, the aqueous phase medium is purified water, deionized water or low-salinity base water, or is directly taken from a predetermined water source; the ion component comprises monovalent cations, divalent cations, monovalent anions and / or polyatomic anions; the mineral ion water composition can form stable terahertz dielectric response under the cooperation of a membrane structure; the method is suitable for engineering application of physiotherapy products and related health regulation and control products. A terahertz regulation and control environment can be constructed without an active terahertz emission device; the method is suitable for engineering application of physiotherapy products and related health regulation and control products; the adjustability of terahertz response can be realized by adjusting ion function parameters and membrane structure parameters.

Methods to increase the efficiency and throughput of hydrocarbon stream cracking by inhibiting the formation of, or resolving an emulsion, in an ethylene production quench water system. The method includes contacting a non-alkoxylated branched or linear polyethylenimine (PEI) with a quench water composition from the quench water system under conditions suitable to prevent the formation of an emulsion or to resolve the quench water composition into two immiscible phases.

This invention provides a method, apparatus, and electronic device for generating a water chlorophyll a prediction model based on spatiotemporal transport mechanisms and a surrogate model. It relates to the field of water composition analysis and prediction, and includes: determining the optimal time delay for transport from upstream to downstream and the upstream optimal time-delay chlorophyll a concentration; constructing a flow gating function based on a set flow threshold and generating flow-gated features by combining the upstream optimal time-delay chlorophyll a concentration; determining a spatiotemporally coupled feature set based on the optimal time delay, the upstream optimal time-delay chlorophyll a concentration, and the flow-gated features; calculating the importance of each feature in the full feature set based on a time-series prediction surrogate model, recursively eliminating the features with the lowest importance until the number of features in the full feature set is reduced to a preset value, obtaining the optimal feature subset; and training a water chlorophyll a prediction model based on the optimal feature subset. This invention improves prediction accuracy and provides technical support for eutrophication early warning.

Systems to produce a pond water, pond water compositions, and methods for using pond water compositions are provided. The system may include a rainwater collection system, a water purification system, a condensate collection system, and a mixing tank configured to receive and mix the various water sources to form a pond water. A system for forming a fracturing fluid is provided, wherein the system may include the system for producing a pond water, an additive feed system, and a mixer configured to receive and mix pond water from the mixing tank with one or more additives from the additive feed system to produce a frac fluid. A method of fracturing a well is also provided, which may include producing a pond water, mixing the pond water with one or more additives to form a frac fluid, and pumping the frac fluid downhole to fracture the well.

The invention belongs to the technical field of building material processing equipment, and particularly relates to a water-resistant gypsum preparation device which comprises a preparation barrel, two supporting rods are fixedly connected to the outer wall of the preparation barrel, a mounting disc is arranged at the tail ends of the two supporting rods, a rotating shaft is rotationally connected to the center of the mounting disc, and a driving gear sleeves the middle section of the rotating shaft. One side of the driving gear is engaged with a driven gear, the bottom of the driven gear is fixedly connected with a stirring rod, and the tail end of the stirring rod extends into the preparation barrel; through double movement, the stirring rod can stir materials in the preparation barrel in an all-around and dead-corner-free mode, the local mixing blind area existing in a traditional single stirring mode is thoroughly broken through, the mixing uniformity of gypsum raw materials and auxiliaries such as a water-resistant agent and a reinforcing agent is greatly improved, the uniform mixing state can ensure that water-resistant components are fully distributed in gypsum, and the water-resistant components are fully distributed in the gypsum. The water resistance fluctuation caused by uneven local components is avoided, and a core guarantee is provided for the water resistance stability of a final product.

The purpose of the present disclosure is to provide: a basic subcritical water composition capable of decomposing polymers and the like while suppressing corrosion of a reactor apparatus; a water-containing composition; a device; and a container. The present disclosure involves a basic subcritical water composition having a pH of 13.7 or less and a potential of 400 mV or more when the current density exceeds 10 mA / cm2 in an anodic polarization curve when using a steel material as a test electrode.

The present invention relates to the technical field of the development of low-temperature oil and gas reservoirs such as coalbed methane, and specifically to a method for improving the mass transfer efficiency of coalbed methane in a guar gum fracturing well by heat injection, including analyzing the composition of reservoir water and preparing simulated reservoir water, conducting mining sensitivity experiments to determine appropriate experimental and operation parameters, and using the simulated reservoir water and the prepared acid solution and alkali solution to evaluate the velocity sensitivity, acid sensitivity, and alkali sensitivity of coal rock samples to determine appropriate injection and production rates, pH value ranges, etc. Since the coal seam itself contains a large amount of water, injecting hot water, especially hot water compatible with reservoir water, will not introduce new damage, can effectively increase the temperature of the reservoir and fluid, is beneficial to the gel breaking and backflow of the fracturing fluid, and can accelerate the desorption and diffusion of coalbed methane, thereby protecting and improving the multi-scale mass transfer capacity of coalbed methane.

To provide a new oil-in-water composition including a continuous aqueous phase, a dispersed phase, and particles present at the interface between the aqueous phase and the dispersed phase.SOLUTION: A composition contains a continuous aqueous phase, a dispersed phase, and particles present at an interface between the aqueous phase and the dispersed phase, wherein the dispersed phase includes an oil phase in contact with the interface, the particles are composite particles that include a hydrophobic portion having a cationic group on the surface and a hydrophilic polymer covering the surface, and the volume ratio of the composite particles to the entire volume of the composition is more than 0.10 and 0.20 or less.SELECTED DRAWING: Figure 2

A basic subcritical water composition and a water-containing composition each capable of decomposing, for example, polymers while preventing or reducing corrosion of the reaction device, and a device and a container therefor. A basic subcritical water composition having a pH of 13.7 or lower and a potential of 400 mV or higher at a current density exceeding 10 mA / cm2 in an anodic polarization curve obtained using a steel material as a working electrode.

To provide compositions for producing hydrogen rich water, nutraceuticals, cosmetics, pharmaceuticals, and other products.SOLUTION: In one embodiment, the present invention provides a composition, e.g., a tablet, including magnesium metal, at least one water-soluble acid, and a binding agent. The magnesium metal and at least one water-soluble acid may be present in amounts sufficient to maintain a pH of less than 7, e.g., at a specific time period after reaction, and a concentration of at least 0.5 mM H2 after reaction in 50 mL water in a container, e.g., a sealed or an open container, e.g., at least 0.5 mM H2 after reaction in 100 mL water or at least 0.5 mM H2 after reaction in 500 mL water. The composition may also include a lubricant.SELECTED DRAWING: None