O chemicals are specially designed to inhibit silica, inorganic scale formation and fouling in the membrane separation system. Here is an online medical calculator to know how the antiscalant chemical dosing calculation is done, which the amount of antiscalant is added for the reverse osmosis system. The amount of wts102 plus required to inhibit scale formation depends on the quality of feed water and operational parameters of the membrane. Avista tech water treatment chemicals and services. Necessary parameters for calculation of these items were recorded for each day during the test period. Stainless steel antiscalant dosing electric pump id. Wts antiscalants are normally fed continuously prior to the final cartridge filter. Vitec 2000 ronf vitec 2000 is a liquid antiscalant and dispersant designed for use in feedwaters that have a wide range of scaling challenges or where there is a high level of iron to be dispersed. The second pass permeate polisher is operating without. Acuro organics limited offers a full range of antiscalant to ensure the longevity and maximum production from your ro plant.
It should be injected by chemical dosing pump from a dilution tank or directly from the drum to the feed water line. Tds temperature plant capacityproduct flow in lph recovery dosing tank size in litre dosing pump setting in percentage% dosing pump capacity in lph plant running hrday. Selection and dosing calculation of antiscalant the corolat expert web based product selection software was developed specifically to assist operators or designers of membrane systems in the selection of the most appropriate antiscalant for a specific system. While starting experimental difficulties with dosing the antiscalant occurred and baso4scale formation was a fact, especially in the installation with sulphuric acid, a severe mtc decrease was seen. We manufacture and supply specialist, high quality ro antiscalants products to industry and water treatment plants in global markets. Just enter project details, operational data and a detailed water analysis and membrane master will automatically calculate the langelier saturation index and the most effective antiscalant as well as the recommended dosage. Membrane desalination water treatment bwa water additives. Advisorci chemical dosing software normro normalization software software updates onsite application services offsite application and lab services autopsy services online tools technical support. An antiscalant is a pretreatment injected into the feedwater before the feedwater enters the ro membranes. Contact kms customer service for specific dosing instructions.
Corolat calculates brine salt solubility for specific. To determine the adequate dosage rate for your system, it is recommended that you use suezs argo analyzer simulation software. How does antiscalant work for a reverse osmosis water treatment application. The software accounts for ion activity and for over ion complexes making it the most accurate projection software in the industry. The antiscalant dosing should be done before reaching the ro membranes to break up sulfate precipitates, calcium carbonate, and other mineral fouling. Suezs ro membrane antiscalants pretreatment programs are designed to eliminate. Alternatively, you can run a scale projection software yourself by requesting the software from us on the contact. Acceptas range of highperformance reverse osmosis chemicals are based on advanced formulations and include ro membrane cleaners and detergents, scale inhibitors and antiscalants, corrosion inhibitors, biocides, antifoulants, dechlorinators, and flocculants. Its dispersant qualities reduce colloidal and silt fouling of reverse osmosis ro and nanofiltration nf systems. Membrane master scaling antiscalant prediction programme. The ro unit flows into an atmospheric tank that will have a float switch to control the pumps.
Pdf scaling potential calculations using different methods. Saturation index and the most effective antiscalant as well as the recommended dosage. A wide variety of antiscalant dosing pump options are available to you, there are 205 suppliers who sells antiscalant dosing pump on, mainly located in asia. The plant requiring only one membrane clean in 18 months instead of one every month as previously. Antiscalant water application plant size caco 3 caso 4 baso 4 sio 2 capo 4 mgoh 2 femn. Tds temperature plant capacityproduct flow in lph recovery dosing tank size in litre dosing pump setting in percentage% dosing pump capacity in lph plant running hrday using above value you have get the following result.
Advisorci chemical dosing software avista technologies, inc. Without some means of scale inhibition, reverse osmosis ro membranes and flow passages within membrane elements will scale due to precipitation of sparingly soluble gas, such as calcium carbonate, calcium sulfate, barium sulfate and strontium sulfate. Naoh can be added to the dilution to increase the ph to 1011. Scaling means the deposition of particles on a membrane, causing it to plug. Using pwts prodose software, each client is provided a customized report detailing the best product and dosage rate for their system. Best prices on us water antiscalant injection system javascript seems to be disabled in your browser. Cartridge filters cartridge filters are a good final catch before your membrane and are excellent for. A wide variety of antiscalant dosing options are available to you, there are 211 suppliers who sells antiscalant dosing on, mainly located in asia. Antiscalant dosing projections all ro systems produce a concentrated reject stream and understanding the ionic composition and behaviour of the species in the fluid is the key to successfully optimising the plants long term performance and efficiency. Intelligent chemical dosing exceeding industry standards in scale. Antiscalant for reverse osmosis system description flocon 230 is bwas ro antiscalant developed and targeted at more challenging brackish ro feedwater. Ro antiscalant dosing calculator is very easy to calculate ro antiscalant dosing using current value.
Flocon 230 is highly effective in controlling the deposition of inorganic scale forming salts and particulate fouling on membrane surfaces, providing a cost effective and better performing. Dosing stations antiscalants biocides reverse osmosis membrane cleaners reagents for boilers. This pump is used in the treatment of water for proper functioning. Exceeding industry standards in scale prediction for even the most. Controlling well pump, ro pump and antiscalant pump with a. The overall heat transfer coefficient and fouling factors for the brine heater and heat recovery sections have also been calculated on a daily basis. Scale may consist of mineral fouling such as calcium sulfate, calcium carbonate, barium sulfate, silica, calcium fluoride, and strontium sulfate. Impacts of different antiscalant dosing rates and their. Ro systems creates salt concentrated water streams that could produce scale or fouling, while the narrow feedwater channel found in your spiral wound and hollow fiber elements accentuates scaling and fouling. Advisorci exceeding industry standards in scale prediction for even the most stressed applications with complex ion ci. Antiscalant is an additive injected in water before subjecting it to reverse osmosis. In addition, remote monitoring and control of antiscalant dosages is now possible. Aug 01, 2003 antiscalant dosing is cost effective, environ mentally acceptable, and safe.
Proton is the first antiscalant software that can design a nanofiltration or reverse osmosis system, and account for membrane properties and flux rates at the various stages of a system. Global team global sales network careers certifications and affiliations environmental responsibility commitment to quality health. Accepta 2091 can be used in reverse osmosis applications where the reject brine silica levels are as high as 230 ppm at 30oc and ph 7. Roantiscalant dosingcalculator for android apk download. For the best experience on our site, be sure to turn on javascript in your browser. Kochtreat 75 antiscalant is readytouse and may be injected neat or diluted to accommodate any system size. The antiscalant dosing rate was likewise calculated for each day. The presence of antiscalant delays chemical reaction between calcium, bicarbonate and magnesium, causing the water to get purified by ro. The program is an intuitive and userfriendly simulation, which makes it easy. It was developed with the intent to condense complex calculations down into a user friendly format. Application guide 8 combination of scale inhibiting. You will have to provide the interpretation based upon your, and your companys, knowledge.
Antiscalant is a pretreatment water additive for reverse osmosis system which delays the reaction between calcium, magnesium and bicarbonate. Antiscalant dosing calculator antiscalant chemical dosing. Ge water antiscalant eliminate scale and reduce fouling in your membrane systems. Antiscalant dosing pump involves the pretreatment injection of antiscalant into feedwater before it gets entered into ro membrane. Prodose xprt is our proprietary scaling prediction software designed to provide users with an efficient means of calculating the scale potential and chemical dosages associated with reverse osmosis systems. The top countries of supplier is china, from which the percentage of antiscalant dosing supply is 100% respectively. This is especially recommended for warm environments to prevent biogrowth. During the same period, depending on the hardness level in the feed, an ion exchange softener may require about 75 lbs of salt to regenerate 5 grainsgallon, or 85 ppm of total hardness. An antiscalant, as the name suggests, serves to delay the scaling of salts and particles such as calcium carbonate, calcium sulfate and barium sulfate. Chemical dosing small peristaltic pumps constantly deliver low concentrations of antiscalant, antioxidant for chlorine, ph balance acidcaustic, or other pretreatment chemicals to ensure high performance with your membranes.
Scaling and deposits build up on the reverse osmosis membranes leading to poor permeate quality, low permeate production and increased water and energy costs. Vitec 1500 is a liquid antiscalant designed to inhibit or reduce calcium fluoride, calcium sulfate, calcium carbonate, calcium phosphate, barium sulfate, and strontium sulfate scale. I have a 240v well pump which flows to ro unit, inbetween those is a antiscalant dosing pump. Membrane master is the worlds foremost scaling prediction program and the result of many years of development. Mmiii scaling prediction software due to the complex nature of feed water scaling in ro feed waters genesys has developed a software package to allow us to select the technically correct product at the optimum dose rate. The argo analyzer is designed to provide guidance on the best choice of antiscalant chemicals for your ro plant and will provide the appropriate application dosage based on your specific water chemistry and system design. Bwa water additives bwa owns or is the licensee of patents and patent applications, which may cover the products andor uses described in this brochure. Oct 25, 2016 ro antiscalant dosing calculator is very easy to calculate ro antiscalant dosing using current value.
Antiscalant dosage calculator should be used to calculate the amount of pwt antiscalant delivered by dosing pump from a dilution tank, direct from the drum or from a bulk storage facility, into the feed water based on the feed flow and the desired pwt antiscalant active dosage concentration. Note that kochtreat 75 antiscalant contains an ingredient that inhibits microbial growth. Permatreat pc191 dosage is dependent on feedwater chemistry, membrane type, and system. It is the only membrane software to calculate the saturation and precipitation potentials for over 50 scales at the entire operating ph range of 1 11. It is highly effective at low dose rates and in a wide range of feedwaters and is certified for use in systems producing drinking water. You can select your preferred dosing pump configuration and the software will advise the required flowrate per pump. Vitec 3000 is a powerful, broad spectrum, liquid antiscalant and dispersant that is compatible with organic coagulants. Vitec 5000 vitec 5000 is a liquid antiscalant and dispersant used to control scale and inorganic fouling in a variety of feedwater ph ranges. Learn more about suezs antiscalant programs, chemicals and dosing. Scale inhibitors each nfro system is unique, and requires a tailored chemical approach based on the incoming feed water quality. Reverse osmosis membrane antiscalant and dispersant for ro membranes with high silica feedwaters.
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