Sesame processing control

Sesame clarity is a balance: clean bottle, but keep the aroma

Sesame carries fines and, for roasted oil, char particles that cloud the bottle as it cools. The goal is a stable, clear oil — but over-filtration strips aroma compounds, so route and filtration depth must be matched.

How it works

Sesame: the technical reality

Fix grit upstream

Sesame is small and dense; sand and stone survive weak cleaning. Destone and wash before roasting — no downstream filter fully fixes grit, and it wears filter media.

Warm settling first

Hold pressed oil warm in settling tanks so meal and gums drop out; warm oil flows and clarifies far better than oil cold off the press.

Roasted oil: filter light

For aromatic roasted oil, a plate-frame or modest filtration keeps the flavor compounds in; polishing to a micron can flatten the very aroma you are selling.

Cold-pressed oil: filter fine

Cold sesame has no roast aroma to protect, so chase clarity with finer filtration (micron/bag) and a chill-settling step to keep the bottle bright.

Action plan

Clarity control points

  • Match filtration depth to product: light for roasted aroma, fine for cold clarity.
  • Filter warm; give tanks real settling time between press and fill.
  • Clean-in-place on black/white changeover so one lot does not haze the next.
  • Do not push haze through media — destone and wash the seed first.
Send your sesame quality targets for a route check →

Project scope

What to confirm before scoping Sesame Oil Filtration and Clarity

Sesame Oil Filtration and Clarity 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 Sesame Oil Press modules stay. Factory sesame hot: ~30 kg/batch with 6 partitions on 325; cold uses 355–500. Do not use peanut 100 kg barrel loads.

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 net pressing is 30–40 min/barrel and cold net pressing 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: net pressing 30-40 min/barrel, ~1.5 h for 2 barrels with loading; cold net pressing ~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

Pin models to published factory specs before tonnage talk.

Hot 300/325: 300–325 ton, 60 MPa system, standard barrel Ø390×800 mm / max 100 kg, net pressing 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, net pressing ~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).

  • 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.
  • Factory sesame hot: ~30 kg/batch with 6 partitions on 325; cold uses 355–500. Do not use peanut 100 kg barrel loads.
60 MPa
System pressure
High-low dual pump, ~60 MPa continuous
2.2 kW
Motor power
380V / 50Hz / 3 phase
300/325
Hot series
Net pressing 30–40 min/barrel · ~1.5 h for 2 barrels
355–500
Cold series
370–630 ton · net pressing ~2 h/barrel · ~4.5 h for 2 barrels

Equipment check

Quality & Problems needs to land in equipment interfaces

Once the route 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.

Filtration and bottle rhythm

Factory hot sesame lines often use pneumatic multi-layer paper filters; cold adds polish filtration and N₂. Match bottling to the ~25–40 min cycle at ~30 kg/batch.

Delivery data

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

Questions on this page

Why does my bottled sesame oil get cloudy on the shelf?

Two usual causes: suspended meal/char fines that were not settled or filtered out, and cool storage that drops them as haze. Warm settling plus filtration matched to the product fixes clarity; if it is gritty, the failure was cleaning, not the filter.

Related guides

Keep planning your sesame project

Black Sesame Identity Oil Line

Plan black sesame oil around separate seed lots, roast curve, darker oil color, aroma positioning, cake identity, bottle labels, and changeover from white sesame.

Spec the control step, not just the press

Tell us your sesame oil target (grade, clarity, contaminant limits, chill stability) and we size the pretreatment and downstream steps around it.

Shandong Shengshi Hecheng Machinery Co., Ltd.
No. 5888, Yineng Street, Development Zone, Qingzhou, 262500, Weifang, Shandong, China
+86 199 0636 5856
gavin@hydraulic-oil-press.com