PetroChina Sichuan Petrochemical Crude Oil Reserve Depot Oily Wastewater Treatment Project

2026-02-08 16:22:26 科力迩
Domestic Project · 2023

PetroChina Sichuan Petrochemical Crude Oil Reserve Depot Oily Wastewater Treatment Project

Client: PetroChina Sichuan Petrochemical CompanyLocation: Pengzhou, Sichuan, ChinaDelivered: February 2026

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Project Overview

Treatment Capacity
50m3/h
Wastewater Type
Crude Oil Reserve Depot Oily Wastewater
Project Location
Pengzhou, Sichuan, China
Client
PetroChina Sichuan Petrochemical
Delivered
February 2026
Project Category
Domestic Petrochemical Wastewater Treatment

Core Equipment

Coalescing Pressure Oil Remover+CDFU Cyclonic Dissolved Gas Flotation

Influent & Effluent Parameters

Influent ParametersINFLUENT
Oil Content<100000mg/L
Effluent ParametersEFFLUENT
Oil Content<100mg/L

Case Description

This project is located in Pengzhou, Sichuan Province, China, with the client being PetroChina Sichuan Petrochemical Company. During operations such as oil storage, tank transfer, and cleaning at the crude oil reserve depot, large volumes of oily wastewater are generated. The oil concentration in this wastewater is extremely high, reaching up to 100,000 mg/L or above (suspended solids content &le;1,000 mg/L). The water quality is complex and presents significant treatment challenges.

Sinokle adopted its self-developed Coalescing Pressure Oil Remover + CDFU Cyclonic Dissolved Gas Flotation combined process for treatment. The Coalescing Pressure Oil Remover utilizes special coalescing materials to aggregate dispersed oil droplets, then achieves separation through pressure-assisted demulsification. The CDFU Cyclonic Dissolved Gas Flotation generates a large number of micro-fine bubbles that attach to remaining oil droplets and suspended solids, enabling rapid floatation separation. The two-stage process coordination ensures stable and reliable treatment results.

Treatment capacity: 50 m&sup3;/h, influent oil content up to <100,000 mg/L / suspended solids &le;1,000 mg/L. After treatment through the combined Coalescing Pressure Oil Remover and CDFU process, effluent oil content was reduced to <100 mg/L / suspended solids &le;300 mg/L, achieving an oil removal efficiency exceeding 99.9%. Successfully delivered and operational in February 2026.

This project represents another typical case of Sinokle in the oily wastewater treatment field for tank farm areas in the petrochemical industry of Southwest China. It fully validates the efficiency and stability of the company's core equipment under high-concentration oily wastewater conditions.

Crude Oil Tank Farm Wastewater TreatmentCoalescing Pressure Oil RemoverCDFU FlotationPetroChinaSichuan PetrochemicalHigh-Oil WastewaterPetrochemical WastewaterPengzhou Sichuan China


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