Shangqiu Aotewei Environmental Protection Equipment Co., Ltd. is one of the leading manufacturers and suppliers of small scale edible oil refinery in China. We are committed to providing high quality customized products with competitive price. If you're going to buy ISO certified small scale edible oil refinery, welcome to get quotation from our factory.
Product Name
Complete-Set Small-Scale Waste-Edible-Oil Conversion Refinery (small scale edible oil refinery). Taking waste cooking oil, acidified oil and waste vegetable edible oil as raw materials, it adopts cracking and fractionation refining processes to convert waste edible oil into fuel-oil products such as diesel and gasoline. It is suitable for medium-and-small-scale waste-oil resource-recycling disposal projects.

| Key attributes - Vertical Distillation Equipment | ||
| 1 | Attribute | Value |
| 2 | Oil Type | Diesel |
| 3 | Phase | Three Phase |
| 4 | Voltage | Customized |
| 5 | Condition | New |
| 6 | Warranty | 1 Year |
| 7 | Raw Material) | Crude Oil, Used Ship Oil |
| 8 | Place of Origin | Henan, China |
| 9 | Brand Name | AOTEWEI |
| 10 | Name | Distillation Equipment |
| 11 | Advantages | Energy Saving, High Efficiency and Environmental Protection |
| 12 | Color | Customized |
| 13 | Function | Refined waste oil, tire‑derived oil, plastic‑derived oil, kitchen waste oil, etc. |
| 14 | Product Name | Refine equipment |
| 15 | After-sales Service Provided | Online Support |
| 16 | Type | Vacuum Filtration |
Features
Integrated pretreatment-cracking-fractionation unit:
The small scale edible oil refinery integrates complete modules of waste-oil pretreatment, high-temperature cracking and rectification fractionation. It can complete the whole workflow of impurity & moisture removal, thermal cracking and oil-gas fractionation for waste edible oil without separate operation of multiple pieces of equipment.
Liquid-phase high-temperature cracking reactor:
The small scale edible oil refinery is equipped with special high-temperature-resistant reactors. Targeting the properties of long-chain fatty acid glycerides in vegetable oil, it completes molecular cracking and chain-breaking under closed oxygen-free conditions, and cracks large-molecule grease into small-molecule hydrocarbon oil-gas, laying the foundation for gasoline and diesel production.
Multi-stage gradient rectification & fractionation system:
Oil-gas generated by cracking flows into multi-stage rectification towers. Gasoline fractions and diesel fractions are separated and cut according to boiling-point differences of different fractions. Heavy-weight components can be refluxed for re-cracking to improve raw-material utilization rate.
Closed negative-pressure condensation & recovery system:
The whole set of oil-gas pipelines runs under fully-closed negative-pressure conditions. Multi-stage cooling and condensation are adopted to collect liquid-phase gasoline and diesel products respectively, reducing oil-gas volatilization loss and lowering on-site potential safety hazards.
PLC integrated process-control system:
It is equipped with a PLC control system. Cracking temperature, reaction pressure and rectification reflux ratio are all adjustable. Multiple sets of process parameters are stored for different waste-edible-oil feedstocks for easy operation.
Advantage
Wide range of raw-material sources:
The small scale edible oil refinery can dispose of various waste edible grease including gutter oil, expired vegetable oil, waste cooking oil and acidified oil. Raw materials are easy to obtain and realize resource-based value conversion of waste grease.
Compact skid-mounted integrated layout:
The whole unit is skid-mounted and integrated, featuring small footprint. No large-size plant is required and capital-construction investment is low, which is suitable for medium-and-small-scale disposal processing plants.


Adjustable and controllable fractions:
By adjusting rectification reflux and temperature parameters, the output ratio of gasoline and diesel can be flexibly adjusted to meet sales demands for different market-oriented products.
High safety with closed-loop operation:
The whole system of the small scale edible oil refinery runs under negative-pressure closed conditions to reduce leakage of combustible oil-gas. It is equipped with safety interlock protection and automatic alarming upon over-temperature and over-pressure, improving production safety.
Moderate investment scale: Compared with large-scale waste-grease conversion units, it requires lower equipment investment with short delivery cycle, enabling medium-and-small-sized enterprises to put into production rapidly.
Application Scenarios
- Waste-cooking-oil resource-recycling project: Process local gutter oil and waste edible oil, and produce diesel and gasoline fuel products through cracking processing.
- Waste-disposal project for grain-and-oil processing plants: Transform deteriorated oil and acidified oil generated from grain-and-oil plants into fuel oil on-site to solve waste-disposal difficulties.
- Supporting project for solid-waste environmental-protection enterprises: Environmental-protection enterprises receive various waste edible grease and adopt this unit to realize waste reduction and resource recovery.
- Regional small-scale fuel-processing project: Small-and-medium-sized processing plants produce gasoline and diesel from waste grease for industrial combustion and construction-machinery applications.
- Overseas waste-grease recycling & processing project: Recycle expired and waste vegetable oil overseas and convert it into fuel-oil products on-site to cut fuel-procurement costs.
Packing & Shipping
- Filters, sealing gaskets, maintenance tools, wearing spare parts, valves and pipe fittings are packed by category. A material list is attached to each case for checking and acceptance at destination port.
- Equipment modules are split to fit 40HQ container dimensions. Extra-long components are shipped by bulk ro-ro vessel. Complete packing lists are provided and customers' on-site loading supervision is supported.
FAQ
Q1: What raw materials can this small scale edible oil refinery process?
A: It mainly processes various waste vegetable edible oil such as waste cooking oil, gutter oil, expired edible oil and acidified oil. Solid residues shall be filtered out from feedstock in advance.
Q2: Can the produced gasoline and diesel be directly used for vehicles?
A: The output is cracked crude gasoline and crude diesel as fuel fractions. Subsequent deep hydrorefining is required to meet national vehicleuse standards. They can be directly applied as industrial fuel and fuel for construction machinery.
Q3: What is the processing capacity of the equipment?
A: The standard model features a daily processing capacity of 312 tons of waste edible oil. Nonstandard customization is available according to customers' capacity requirements.
Q4: What supporting conditions are required for equipment operation?
A: A heating system, circulating cooling water and 380V industrial power supply are required. The complete system is equipped with a tailgas treatment unit.
Q5: Will byproducts be generated during production?
A: A small amount of residues are produced after cracking and can be incinerated as fuel. Noncondensable combustible tail gas from cracking can be recycled as heating fuel for the unit.
Production Process Flow
Waste edible oil feeding → Pretreatment, impurity filtration & dehydration → High-temperature closed cracking reaction → Oil-gas enters rectification-fractionation tower → Fractionation cutting of gasoline fractions and diesel fractions → Multi-stage condensation & cooling for collection of crude gasoline and crude diesel → Heavy-weight components reflux for re-cracking → Residue discharge; non-condensable tail-gas is recycled for heating supply.
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