What is a Reverse Osmosis Plant?
A reverse osmosis plant is a manufacturing facility that performs the reverse osmosis process. By pushing water over a membrane, reverse osmosis is a typical method for purifying or desalinating polluted and contaminated water.
What are the Safety precautions for RO water treatment plant?
Reverse osmosis works by increasing the pressure on the salt side of the RO and forcing the water past the semi-permeable RO membrane, leaving practically all of the dissolved salts in the reject stream (about 95 percent to 99 percent).
The following article will provide you with a thorough overview of the operation and safety precautions of reverse osmosis water treatment equipment’s.
Reverse osmosis (RO) water treatment equipment safety precautions
1: The reverse osmosis device's performance is expected to deteriorate due to the hydrolysis of the cellulose acetate membrane. As a result, the pH of the water must be closely controlled, and the pH of the feed water must be kept at 5-6.
2: The composite membrane can be placed at the feed water source.
3: The water in the reverse osmosis device is replaced with low-pressure feed water when the reverse osmosis device is turned off. This is to avoid silica precipitation during shutdown.
4: Slime will form on the membrane module of the reverse osmosis device when the injected sodium is insufficient and the free chlorine in the feed water cannot be monitored, causing the pressure difference of the reverse osmosis device to grow. The amount of free chlorine entering the membrane module must, however, be closely controlled for composite and polyamide membranes.
5: If the reverse osmosis device is fed water with avalue higher than the standard, dirt will stick to the membrane module's surface, which must be cleaned to remove the filth.
6: Excessive feed water flow will prematurely damage the membrane module; hence it must not exceed the design standard value. Furthermore, the flow of concentrated water shall not be reduced below the design standard value. Due to an excessive concentration of dirt in the reverse osmosis device's pressure vessel, an uneven flow occurs, and dirt is deposited on the membrane module.
7: The reverse osmosis device's inlet pressure must be kept within a certain range, or the salt removal rate will be lowered due to a lack of compaction.
8: Even if the reverse osmosis device's high-pressure pump is halted for a brief length of time, the system may malfunction.
9: When the feed water temperature is high in the summer, the flow rate of the produced water is high, and the working pressure must occasionally be reduced. As a result, the quality of the produced water will deteriorate. To avoid this, the number of membrane modules can be decreased while the working pressure remains high.
10: Always keep an eye on the precision filter's pressure difference. The leakage of the precision filter's turbidity is the main cause of the sudden increase in pressure differential. The damage to the precision filter element and the loosening of the precision filter element's tightening screw, on the other hand, is the cause of the sharp drop in pressure difference.
11: When the pressure differential between the inlet and output of a reverse osmosis device exceeds the industry standard, it means the membrane surface has been contaminated or the feed water flow rate is higher than the design value. If flow adjustment does not fix the pressure difference problem, the membrane should be cleaned.
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