Many water sources are turbid, containing suspended particles varying in concentration from a trace in deep wells to thousands of mg/L in some rivers. Suspended solids include fine sand, silt, clay, decomposed vegetation, bacteria, algae, and other microbiological organisms.
Most commercial, industrial and farm/irrigation applications require 0.5 to 1 NTU water quality to prevent turbidity-based fouling of membranes, heat transfer surfaces, ion exchange resins and irrigation nozzles. Turbidity removal is critical in these environments.
Sediment filters are often used in combination with other processes such as activated carbon filtration, or water disinfection. Selecting the correct sediment filter should be based on water analysis and assessment by a Watercore expert.
Watercore has extensive experience designing, manufacturing and servicing industrial water filters. We can offer a wide range of industrial water filtration systems including media filters, bag filters, disk filters and any other specialised industrial water filter.
All water treatment methods have limitations and often a combination of different treatment are required for an effective outcome. Sediment filters or turbidity filters cannot remove dissolved organic or inorganic compounds, as they are only effective against particles in suspension. Hence sediment filters are not effective removing dissolves metals, nitrates, pesticides or disinfection by-products.
Colloidal matter, or suspended particles smaller in size than 1 micron, are too small to be filtered and will require coagulation and flocculation to form conglomerates large enough to be filtered by standard sediment filters.
In general, membrane microfilters are more effective than standard sediment filters for the removal of particles smaller than 2 microns, however membrane filtration is not appropriate for water with a high particulate load and a combination of different filtration methods is often required.
When the pore size of the filter medium is too small or the concentration of particles in suspension is too high, the sediment filter will soon be clogged and backwashing will be too frequent to achieve an acceptable filter performance. Watercore can help your business finding the appropriate sediment filter for your commercial or industrial application.
|Model||Filtration Flow |
|Tank Dimensions |
D x H (inches)
|HR-SF22||0.9 (22 m3/day)||0.9 (22 m3/day)||8×44||3/4″|
|HR-SF30||1.2 (30 m3/day)||1.2 (30 m3/day)||9×48||3/4″|
|HR-SF36||1.5 (36 m3/day)||1.5 (36 m3/day)||10×54||3/4″|
|HR-SF44||1.8 (44 m3/day)||1.8 (44 m3/day)||12×52||1″|
|HR-SF65||2.6 (65 m3/day)||2.6 (65 m3/day)||13×54||1″|
|HR-SF75||3.2 (75 m3/day)||3.2 (75 m3/day)||14×65||1-1/2″|
|HR-SF88||3.6 (88 m3/day)||3.6 (88 m3/day)||16×65||1-1/2″|
|HR-SF115||4.75 (115 m3/day)||4.75 (115 m3/day)||18×65||1-1/2″|
|HR-SF145||6 (145 m3/day)||6 (145 m3/day)||21×62||1-1/2″|
|HR-SF200||8.2 (200 m3/day)||8.2 (200 m3/day)||24×72||1-1/2″|
|HR-SF256||10.7 (256 m3/day)||10.7 (256 m3/day)||30×72||2″|
|HR-SF400||16.5 (400 m3/day)||16.5 (400 m3/day)||36×72||2″|
|HR-SF580||24 (580 m3/day)||24 (580 m3/day)||42×72||2″|
|HR-SF630||26.5 (630 m3/day)||26.5 (630 m3/day)||48×72||2″|
|HR-SF1000||42 (1000 m3/day)||42 (1000 m3/day)||63×86||3″|
Filtering media, media depth, flow linear velocity, filter operational control and backwash method are essential parts in the design of commercial and industrial turbidity filters.
When deciding the right water treatment for your sediment filter, Watercore can help with a range of solutions that will improve the operational efficiency based on your particular needs.
Our commercial and industrial High Rate Sediment Filters up to 55 m3/h come with an integrated top-mount multiport automatic valve with microprocessor and methods to initiate the backwash:
The standard operation cycles in Watercore High Rate sediment filters are:
Critical systems and most industrial equipment require continuos operation which have no allowance for down-time periods for maintenance or fixing.
This is typical in industrial environments like water feeds for medium pressure boilers or reverse osmosis systems and is resolved with an automatic twin system where one unit always in service.
Watercore twin alternating sediment filters have been designed to provide a continuos water supply alternating the filters during backwash or whenever a maintenance task is required.
The most common measure of the amount of suspended solids in water is turbidity, which is a measure of the clarity of the water. Turbidity can be measured in many different ways but the most widely used is the nephelometric turbidity unit (NTU) which measures how much light is scattered by a water sample when placed in front of a light beam.
NTU cannot be used for colloids and particles smaller than 1 μm as they do not scatter light and are thus, not detected using turbidity measurements.
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IRON AND MANGANESE FILTERS
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