Downstream

Crude-oil quality is set right after the press, not at the refinery

Acid value, color, moisture, and phospholipid load decide whether rapeseed crude oil can be sold as flavor oil, held in tanks, or sent to refining without extra cost.

Control rapeseed crude-oil acid value, color, phospholipids, degumming timing, filtration, and tank storage so the oil is ready for sale or refining.

Acid value & color

Hot-pressed rapeseed oil often lands near 1-3 mg KOH/g acid value with a deeper color; record both so the buyer knows the starting point.

Phospholipids

Rapeseed carries notable phospholipids, so hydratable gums must be planned for, not ignored.

Moisture & sediment

Moisture and fines drive sediment in the tank and raise the refining and storage risk.

Rapeseed crude oil quality control pointsQuality control

Rapeseed crude-oil sampling and clarification

Use this page to define crude-oil quality before sale or refining.

Core indicators

The four indicators that describe rapeseed crude oil

Before deciding sale, storage, or refining, name the crude-oil condition in measurable terms instead of a vague 'good oil' claim.

Acid value

Higher seed moisture, broken seed, and long storage push acid value up. Fresh, clean seed keeps it lower and easier to refine.

Color

Hot pressing and stronger cooking give a deeper color; flavor markets may accept it, refining markets usually want it lighter.

Phospholipids

Rapeseed gums are mostly hydratable, so water or acid degumming can remove a large share when timed well.

Moisture & impurities

Moisture, fines, and meal carryover decide settling time and filter load before any tank decision.

Degumming timing

Decide degumming timing by where the oil is going

  • Flavor oil sold local and fresh may only need settling and filtration, keeping aroma instead of full degumming.
  • Oil heading to refining benefits from earlier degumming so phospholipids do not foul tanks, pumps, and the refining section.
  • If crude oil will be stored for weeks, settle and filter first; standing gums and moisture raise acid value and sediment over time.
Filtration, storage, handoff

Connect filtration, tanks, and the refining handoff

Filtration depth

Match filter type to endpoint: coarse for crude sale, finer and warm for refining feed or bottling.

Tank separation

Keep fresh crude, settled oil, and refining-feed oil in separate, labeled tanks so sampling stays clear.

Retained samples

Keep one labeled sample from each tank to trace acid value, color, and sediment after handoff.

Project boundary

What to confirm before scoping Rapeseed Crude-Oil Quality Control Points

Rapeseed Crude-Oil Quality Control Points should not be quoted from an equipment name alone. Check feed lots, target oil, post-press handling, and packing rhythm in one scope before deciding which Rapeseed / Canola Oil Press modules stay. Listed on the factory hot-press page — discuss 300/325 first.

When feed condition, moisture, impurities, batch weight, and product position are unclear, press tonnage and filter area become guesswork. Factory systems share 60 MPa and 2.2 kW motors; hot pure press is 30–40 min/barrel and cold pure press is ~2 h/barrel — cycle time matters more than brochure tonnage.

  • Confirm whether feed is whole seed, kernels, pretreated material, or an existing semi-finished stream.
  • Confirm whether the target is crude oil, filtered oil, bottled oil, drum ingredient oil, or a refining handoff.
  • Hot cycle reference: pure press 30-40 min/barrel, ~1.5 h for 2 barrels with loading; cold pure press ~2 h/barrel, ~4.5 h for 2 barrels.
  • Confirm batch rhythm, labor, changeover, retained samples, power (often 380V/50Hz/3ph), and site install conditions.
Factory model check

Match hot / cold models to factory hard data

When discussing Rapeseed Crude-Oil Quality Control Points, pin models to published factory specs — not tonnage alone.

Hot 300/325: 300–325 ton, 60 MPa system, standard barrel Ø390×800 mm / max 100 kg, pure press 30–40 min/barrel, ~1.5 h for 2 barrels with loading, 2.2 kW motor. Cold 355/400/426/480/500: 370–630 ton, integrated frame, same 100 kg standard barrel, pure press ~2 h/barrel, ~4.5 h for 2 barrels with loading; optional Ø300 high-pressure barrel max 60 kg. Residual oil target ~≤5% (peanut hot often 6–8% measured).

60 MPa
System pressure
High-low dual pump, ~60 MPa continuous
2.2 kW
Motor power
380V / 50Hz / 3 phase
300/325
Hot series
Pure press 30–40 min/barrel · ~1.5 h for 2 barrels
355–500
Cold series
370–630 ton · pure press ~2 h/barrel · ~4.5 h for 2 barrels
  • Standard barrel Ø390×800 mm, max ~100 kg crushed feed; optional Ø300 high-pressure barrel max ~60 kg.
  • Cylinder material 27SiMn; cold frames are integrated molded steel; hot frames are typically H-type channel steel.
  • Listed on the factory hot-press page — discuss 300/325 first.
Equipment check

Downstream needs to land in equipment interfaces

After Rapeseed Crude-Oil Quality Control Points is clear, write the interfaces: how preparation feeds the press, how oil leaves the press, how filtration connects to tanks, and how packing receives finished oil.

Front-end input

Record feed form, daily volume, moisture, and sorting needs so pretreatment is not left to operators.

Clarification, refining, and meal

Traditional flavor oil may use light filtration; canola retail often needs full RBD. Cold dense powder needs 355–500 — not 300/325 alone.

Delivery data

Prepare space, power (often 380V/50Hz/3ph), labor, target package, local rules, and acceptance method before quotation.

Send this page's requirement to the factory

Bring feed condition, target output, and site constraints, and we will continue from what this page covers.