Corrugated Plate Interceptor(CPI)
The corrugated plate interceptor (CPI) is a highly efficient oil-water separation device. Its core technology is the corrugated plate gravity separation process, which removes unemulsified free oil and dispersed oil from oily water......
Equipment Overview
The CPI Coalescing Oil Separator is a highly efficient solid-liquid and oil-water separation system developed based on the principles of shallow-tank sedimentation and oil droplet coalescence. At its core, the system employs a combination of shallow-bed sedimentation, particle coalescence, and density-based stratification technologies to achieve the deep removal of fine oil droplets (50 μm and larger), suspended solids, and colloidal impurities from oil-bearing fluids.
This equipment transcends the limitations of traditional oil separators—which rely solely on gravity or centrifugal force for separation—by integrating both gravity sedimentation and coalescence technologies. Firstly, it uses gravity sedimentation based on Stokes' Law to remove oil, employing a carefully designed flow rate to maintain laminar flow and prevent flow disturbances; Secondly, it utilizes our proprietary coalescing coating material technology to specially treat the surface of the corrugated plates, enhancing their oleophilic and hydrophobic properties, thereby effectively promoting phase separation.
Application Scope
Wastewater from petroleum and natural gas production
Wastewater from petrochemical and refining plants
Produced water and hydraulic fracturing flowback water
Food processing and meat/dairy production
Transportation terminals and bulk cargo handling facilities
Renewable fuel and liquefied natural gas processing plants
Technical Features
Efficient separation is achieved by using inclined corrugated plate units: The cross-corrugated surface design effectively increases the surface area per unit volume, and combined with an efficient spatial layout, it increases droplet impact points, resulting in high surface load characteristics. The corrugated angle is set at 40-60 degrees;
High processing capacity: Customized specification from 5 to 500 cubic meters per hour;
For petrochemical wastewater, it can efficiently remove free oil, reducing the oil concentration in the treated wastewater to as low as 10 ppm or even lower;
Compared to traditional separators, this equipment has a more compact design, fewer moving parts, and significantly lower maintenance costs;
Supports the installation of fixed or rotating oil skimmers, flexibly adapting to different application scenarios;
The synergistic effect of multi-stage coalescing plates further enhances the oil-water separation efficiency.
Technical Parameters
Parameter | Value Range | Remarks |
Processing Flow Rate | 1–500m³/h | Customizable for ultra-high flow rates |
Dwell time | 15-30min | |
Influent Oil Content | ≤2000mg/L | |
Oil Removal Rate | ≥70% | Ensures Stable Compliance |
Suspended Solids Removal Rate | ≥60% | Adapted for High-SS Conditions |
Operating Pressure | ≤0.1MPa | Customized to Site-Specific Piping Networks |
Operating Temperature | 5–60℃ | Heat-Resistant Variants Available for High-Temperature Applications |
Main Body Material | Anti-corrosive Carbon Steel / 304 Stainless Steel / 316L | Corrosion-Resistant and Explosion-Proof Options Available |
Installation Type | Enclosed, Horizontal | Suitable for Both Fixed-Site and Mobile Applications |
Control Mode | Fully Automatic, Remote Monitoring | Supports Unattended Operation |
Interface Standards | Chinese, American, and Japanese Flanges | Optional Features: Trace Heating (for Low-Temperature Conditions) and Odor-Sealing Covers |
Overall Dimensions | Customized by Data Usage | Compact Design |
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