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GST No. 23EEIPP1517P1Z5Ask for more detail from the seller
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The lowest capacity Sewage Treatment Plant (STP) with Ultrafiltration (UF) available in the market typically starts at around 1 KLD (1,000 liters per day), suitable for very small-scale residential, commercial, or light industrial requirements.
Key Details about Smallest Ultrafiltration STP
Capacity: As low as 1 KLD (1,000 liters/day) with options scaling up based on demand.
Ultrafiltration Membrane: Pore sizes around 0.01 to 0.025 microns effectively remove suspended solids, bacteria, viruses, and colloids resulting in water with turbidity less than 0.1 NTU.
Power Consumption: Low power requirement due to low pressure operation compared to reverse osmosis; typically small motors of 0.55 kW to 1.5 kW depending on capacity.
Design: Compact skid-mounted or containerized modular units incorporating primary treatment, biological treatment, and UF as tertiary treatment for high-quality effluent or water reuse.
Applications: Residential buildings, small commercial complexes, hospitals, and industrial units needing highly reliable treatment and potential water reuse.
Output Quality: Capable of producing water with over 99.5% removal of turbidity and microorganisms, suitable for reuse or safe discharge meeting strict regulatory standards.
Maintenance: Periodic membrane cleaning typically via chemical cleaning, low fouling due to ultrafiltration properties, and ease of operation.
Example Plant Sizes and Features
| 1 | 0.55 | 1.0 x 0.8 x 1.7 | Polysulfone | Small residential/industrial usage |
| 2-5 | 0.75-1.5 | 1.2 - 2.2 x 1.3 x 1.7-2.5 | Hollow Fibers | Small-medium commercial complexes |
| 10 and above | 2.2-4 | 2.2 - 3.5 x 1.3 - 1.8 x 2.5 | PVDF/Polysulfone | Larger complexes, industrial reuse |
Summary
The smallest ultrafiltration STPs integrate UF membranes with biological or physical pretreatment systems to deliver high-grade treated water in very compact footprints, consuming less energy than reverse osmosis and enabling sustainable water reuse. They are especially suited where space is limited and high water quality standards are mandated.
If extremely low capacity is required (around 1 KLD), such STPs are available as fully automated, skid-mounted units for plug-and-play deployment in small residential or commercial facilities.
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Sapna Sangeeta Road, Indore, Madhya Pradesh 
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