Reverse osmosis scale inhibitors are generally marketed as standard solutions and concentrates (4x concentrates, 8x concentrates, 11x concentrates). The reason for this is that concentrates were originally imported to save packaging and shipping costs. As a result, the product concentration is increased, and when the importer or distributor re-sells the original product, it can be sold or diluted and then sold as a standard solution.
The recommended concentration of reverse osmosis antiscalants is generally 3-6ppm, that is, reverse osmosis equipment needs to add 3-6g of antiscalants per ton of water. The calculation formula of monthly dosage: W=Q*S*H*30/1000, where W is the monthly dosage (Kg); Q is the influent flow rate of reverse osmosis equipment (m3/h); S is the dosage concentration (3 - 6ppm (g/ton), H is the working time (hours) of reverse osmosis equipment; 1000 is the conversion of g and Kg. If a reverse osmosis plant has a water production of 75 tons/hour, the influent water needs to be at least 100 tons/hour. The monthly usage is:
100*3.5*24*30/1000=252KG
2. Addition of reverse osmosis scale inhibitors:
Reverse osmosis antiscalants are generally added to the reverse osmosis system's security filter, the precision filter. It is added to the dosing device and added to the pipeline of reverse osmosis equipment through a metering pump. Reverse osmosis scale inhibitors can be used directly or after dilution. The dilution factor must not exceed 10 times, ie the concentration should not be lower than 10%.
3. Notes on the use of reverse osmosis antiscalants:
A. Dosing system sealed, clean before each dosing
B. It is advisable to use the best week
C. Diluted with pure water
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