411 results about "Total dissolved solids" patented technology

A desalination process is disclosed which combining two or more substantially different water treatment processes in a unique manner to desalinate saline water, especially sea water, to produce a high yield of high quality fresh water, including potable water, at an energy consumption equivalent to or less than much less efficient prior art desalination processes. In this process a nanofiltration step is synergistically combined with at least one of sea water reverse osmosis, multistage flash distillation. multieffect distillation of vapor compression distillation to provide an integrated desalination system by which sea water can be efficiently and economically converted to high quality potable water in yields which are at least 70%-80% greater than the yields available from the prior art processes. Typically a process of this invention using the nanofiltration initial step will produce, with respect to sea water feed properties, calcium, magnesium, sulfate and bicarbonate ion content reductions of 63%-94%, pH decreases of about 0.4-0.5 units and total dissolved solids content reductions of 35%-50%.

A process and an apparatus are described for treating seven types of saline waters each having a concentration of total dissolved solids exceeding 1 g/L, wherein the concentration of total dissolved solids, the ratio of the chloride ion concentration to the bicarbonate ion concentration and the ratio of the chloride ion concentration to the sulphate ion concentration of each of the water types are as indicated in Table 1. The process includes the steps of contacting the water with a first reagent comprising a source of calcium ions selected from calcium oxide and calcium hydroxide to form a first solid product which is recovered. The process includes a further step of subjecting at least a portion of the partially processed water to at least partial evaporation so as to promote the formation of a precipitate and a mother liquor. The precipitate is recovered as a second product.

A simple, effective and inexpensive water-quality measurement system comprises a housing suitable for travel on or in a body of water; one or more sensors for measuring water properties as the housing travels; a memory for storing information relating to the measured water properties; and software for processing measured properties. This invention combines into a single, inexpensive, and comprehensive system the sensors, computer hardware, signal-processing, Geographic Information System data, and Decision Support Software. This integration yields a system of novel and unparalleled utility. The water properties measured by the system may include: water temperature, water conductivity, pH level, dissolved oxygen, turbidity, water depth, salinity, total dissolved solids (TDS), ORP, chlorides, nitrates, and phosphates. A geographic information system (GIS) based on a global positioning satellite (GPS) technology is operative to determine geographic location and other factors, and an internal or external processor is operative to generate a map coordinating one or more of the listed characteristics to one or more of the water properties. A barometric pressure sensor may also be provided. In the preferred embodiment, the housing is a floating buoy.

Systems and methods have been developed for treating waste water and produced water, so as to remove contaminants therefrom. The systems and methods allow specifically for the removal of contaminants from produced water from oil and gas wells, fracturing flow-back water, and water- or brine-based drilling fluids. The water is treated by contacting the contaminated fluid with ozone after contacting the fluid with a diffused air system to generate small bubbles for entrainment of some contaminants. Thereafter, the water is contacted with an electro-coagulation system in order to remove flocculants and adjust the pH and the total dissolved solids levels of the fluid.

The present invention is a solid rinse aid composition and methods of making and using the same. Applicants have surprisingly found that the crystal modifier sodium xylene sulfonate (short chain alkyl benzene or alkyl naphthalene sulfonates) at higher percentage can act as a solidification agent. The solid rinse aid composition generally includes an short chain alkyl benzene or alkyl naphthalene sulfonates solidification agent and an effective amount of a surfactant which can include a sheeting agent component, defoamer component and/or association disruption agent. The solid rinse aid composition may be phosphate-free, aminocarboxylate-free, and GRAS if desired.

The invention relates to a treatment technology for recycling reverse osmosis concentrated water, comprising the following steps of: 1) adding reverse osmosis concentrated water into a raw water pond; 2) pumping the water discharged out of the raw water pond to be added into a mechanical accelerating settling pond, and carting out softening reaction and flocculation clearing process in the mechanical accelerating settling pond; 3) adjusting the pH value of the liquid supernatant which is treated by the mechanical accelerating settling pond to 6.5-8.5, and passing through a filter; 4) adding the filtered wastewater into a first-grade electroosmosis system to be desalted; 5) adding thin liquid treated by the first-grade electroosmosis into a second-grade electroosmosis system, wherein the concentrated liquid obtained by the second-grade electroosmosis system reflows to the first-grade electroosmosis system, and the fresh water enters into a recycle pool; and 6) recycling the fresh water in the recycle pool according to the actual need. According to the treatment technology for recycling the reverse osmosis concentrated water, the hardness, the TDS (total dissolved solids), the organic matters and other impurities in wastewater can be removed by means of softening, clearing, filtering and electroosmosis, and the problem of the recycle of the reverse osmosis concentrated water which reaches to the standard can be thoroughly solved.

Acid mine demineralization methods wherein the acid mine drainage is neutralized, clarified, and forwarded to a microfiltration unit. The so filtered drainage water is then forwarded to a reverse osmosis unit. The permeate from the reverse osmosis unit is characterized by reduced sulfate, silica, calcium, aluminum, iron, magnesium, and manganese levels. Additionally, improvement in reduction of total dissolved solids is noted.

A reverse osmosis water purifier that monitors Total Dissolved Solids (TDS) at the onset of entering the water filtration system and downstream upon exiting the system. A comparison of the TDS levels is made to each other or predetermined levels, and action is taken regarding whether to bypass the RO filter, or continue filtering through the RO membrane, or combine the two fluid streams. A microbiological barrier filter is introduced in-line with the egress port of a reverse osmosis filter, and downstream of the bypass water circuit. The microbiological filter is utilized to remove microbiological contaminants from the output water, either directly from the RO filter output, or the bypass filter circuit, or both.

Convenience stores are provided a beverage water processor for coffee and beverages. The “ideal” total dissolved solids (TDS) of perhaps 110 parts per million is achieved without a blendback process. The R/O water is remineralized with a flow through calcite bath. A potassium chloride source is used to inject the exact amount of potassium chloride needed to reach the ideal TDS on the fly before the water reaches the storage reservoir. Alarms trigger a bypass loop to keep the store in business during shutdown. All output water passes through a UV sterilizer.

The invention discloses an intelligent water purification system which comprises a main control panel for controlling work of the intelligent water purification system, an ORP (oxidation reduction potential) detection unit for detecting concentration of residual chlorine in raw water and water passing through an activated carbon unit, a TDS (total dissolved solids) value detection unit for detecting water quality, a flow sensor unit for detecting water flow, and an automatic membrane flushing unit for controlling flushing of a PVDF (polyvinylidene fluoride) ultrafiltration membrane. An ORP detection and control module, a TDS value detection module, a flow detection module, an automatic membrane flushing module, a wireless communication module and a display screen control module are arranged on the main control panel. By means of the intelligent water purification system, information about the surplus of use of filter materials and water quality data can be displayed, so that users can conveniently know the situation of cleaning or replacement of the filter materials.

The invention relates to the water treatment industry, and concretely relates to the deep filtering of drinking water. The invention discloses a water purifier provided with a TDS monitoring device, and its water quality monitoring method. The water purifier comprises filter galls having different filter materials, and a water flow pipeline, wherein all the filter galls are connected in the water flow pipeline in series to form a filter channel; the filter gall having a smallest filter material screen net aperture is a fine filter gall, and comprises the TDS monitoring device provided with an over-limit alarm; the monitoring probe connected with the input end of the monitoring device is positioned in the water outlet pipeline of the fine filter gall; and the output end of the TDS monitoring device is connected with the over-limit alarm. The TDS monitoring device continuously monitors the residual TDS in flow water through the monitoring probes arranged in the water outlet pipelines of the filter galls, and the residual TDS is used as the basis for determining and controlling the gradual change process of the filtering states of the filter galls; and the over-limit alarm alarms to promote a user after the TDS exceeds a preset limit value.

Provided are water treatment apparatus and method for controlling water treatment apparatus. The water treatment apparatus includes a filtering unit including a deionizing filter removing total dissolved solids contained in inflow water by an application of power, a water output unit outputting water filtered by the filtering unit; and a control unit controlling power that is applied to the deionizing filter to control total dissolved solids (TDS) contained in water filtered by the deionizing filter, or a reduction rate of total dissolved solids by the deionizing filter.

The invention discloses a quantitative sampling device for TDS (Total Dissolved Solids) water quality testing, which comprises a base, a cylinder body, a motor, a collecting tank, a TDS tester, and asampling chamber; the sampling chamber is fixedly mounted on the upper end of the base, and the motor is arranged on the upper end of the sampling chamber; a movable plate is slidably arranged in thesampling chamber, and both ends of the movable plate are slidably connected with slideways arranged on the side walls of the sampling chamber; the cylinder body is arranged on the left side of the sampling chamber, and a piston is slidably arranged inside the cylinder body; a controller is arranged on the front end of the base, a collecting tank is arranged at the right end of the base, and the TDS tester is arranged on the right side of the upper end of the base. According to the invention, the arranged movable plate moves downwards to press a press switch, so that the motor stops operating,as a result, the piston in the cylinder body stops pumping, quantitative sampling is realized, and the accuracy of a test result is improved. Arranged agitating vanes can effectively prevent particulate matter in a sample from settling to affect a test result. The quantitative sampling device has the advantages of high automation degree, simplicity in operation and high practicability.

A polymer-free method and self-draining self-cleaning apparatus for treatment of water with high total dissolved solids including optional pretreatment, precipitation/flocculation, and separation. The pH is raised by addition of caustic soda and/or soda ash. In a vertical clarifier silo, the feed is gently mixed to cause dissolved solids to precipitate and agglomerate to form suspended flocculates. The clarifier includes an internal mixer surrounded by a cylindrical tube diffuser. Rotation of the mixer provides gentle dual circulation patterns within the clarifier that allow for flocculates of a predetermined size to settle from suspension. The clarifier may also include one or more vertical recirculation lines to recirculate some of the heavier flocculates at the bottom of the vessel into the mixer chamber to enhance precipitation via the seeding effect. The suspended flocculates are stripped from the feed water in a centrifugal separator. The clarifier silo may be trailer mounted for rapid deployment.

The invention discloses a bucket-free reverse osmosis water purifier system capable of improving water production rate and a control method. The bucket-free reverse osmosis water purifier system is characterized in that running water is sequentially sent into a pressurizing pump and several stages of filter cylinder containers via a water inlet cross, and is communicated with the input end of a reverse osmosis membrane; a raw water TDS (total dissolved solids) probe is arranged at the front end of the reverse osmosis membrane and is used for detecting the TDS of raw water; the water outlet end of the reverse osmosis membrane is communicated with a pure water faucet through a check valve, a first high pressure switch and rear activated carbon; a pure water TDS probe is arranged between the water outlet end of the reverse osmosis membrane and the rear activated carbon, and is used for detecting the TDS of pure water; the wastewater drain end of the reverse osmosis membrane is separated into two branches, one branch is connected with the input end of a combined electromagnetic valve, and the other branch is connected with a running water faucet through a second electromagnetic valve, a second high pressure switch and the water inlet cross. The bucket-free reverse osmosis water purifier system has the beneficial effects that on the basis of original traditional water purifier, the realizability is strong, the change of a space is avoided, and any container is not additionally arranged; the manufacturing technology is simple, the production is easy, and the cost is low.

The invention provides a strong brine evaporating and crystallizing system, which comprises a calcium-magnesium removing reaction tank, a filter press, a feeding tank, a crystallizing separator, a crystallizing heater, a compressor, a thickener, a centrifugal machine and a mother liquor tank, wherein the filter press is connected with the calcium-magnesium removing reaction tank, and the feeding tank is connected with the filter press; the crystallizing separator is connected with the feeding tank, a strong brine inlet and a strong brine outlet of the crystallizing heater are respectively connected with the crystallizing separator; an inlet and an outlet of the compressor are respectively connected with the crystallizing separator and the crystallizing heater; an inlet of the thickener is connected with the crystallizing separator, an outlet of the thickener is connected with the centrifugal machine, and a liquid outlet of the centrifugal machine is connected with the crystallizing separator through the mother liquor tank. The strong brine evaporating and crystallizing system can be used for processing mixed strong brine with TDS (total dissolved solids) concentration of 100-300g/L so as to realize continuous stable running and total recycling of the sewage, solves the problem of water resource shortage in some areas and reduces pollution to the environment.

The invention provides a water purifier filter element service life detecting method and device. A water purifier filter element in use is detected in field; the method comprises a data collection step and a comparison and judgment step, wherein in the comparison and judgment step, three groups of collected data: a water purifier TDS (total dissolved solid) raw water value and a TDS pure water value, a water inlet quantity value and a pure water quantity value as well as water purifier work time are compared with a set standard range; when at least two groups of data exceed the set standard range, the condition that the filter element mounted in a water purifier needs to be replaced is judged. The invention provides the device for realizing the method. On the basis of information data statistics, through multi-factor and multiterm value comparison and judgment, the effects of prolonging the service life of the filter element and reducing the waste of filter element consumables are achieved.

The invention relates to a high-temperature seawater desalting and distillation device and method. The device comprises a preheater, a multi-effect evaporator, respective-effect gas-liquid separators and a circulation pump. A vertical evaporator is adopted, the steam is heated in the equipment initial operating stage for gradually preheating calcium removed seawater stage by stage, secondary steam generated in the evaporation process is used for preheating the seawater, condensed water generated by the respective-effect gas-liquid separators is used for initial seawater preheating, the condensed water after the secondary steam seawater preheating is used for preheating the seawater after the heat exchange by condensed water generated by the separators, the heat efficiency is improved, the heating steam heat loss is reduced, the self afterheat of a system is sufficiently utilized, and the recovery rate of fresh water is improved. The device and the method are applicable to calcium removed or calcium and magnesium removed seawater, the heating temperature can be 40 to 170 DEG C, the heating temperature range is wide, the scale accumulation limitation is avoided, the total dissolved solids (TDS) of the desalted strong brine can be 50000 to 250000 mg/L, and the recovery rate of the fresh water is 40 to 75 percent. High-concentration, high-temperature and high-quality raw materials are provided for factory salt preparation, and the firm foundation is laid for the zero discharge of the seawater desalting.