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Bulk Density Testing Method
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TOOLS
- Standing Clamp + Funnel
- 100cc Plastic Measuring Cup
- Scales with Analytic Accuracy of 0.1 gr
- 500cc Bottle
- Stopwatch
PROCEDURE
- Measure empty 100cc measuring cup, zero scale.
- Pour bleaching earth sample of 200 grams approximately into 500cc bottle, shake until the sample mixed with air.
- Pour the be into measuring cup through funnel, when the measuring cup is full, press the stopwatch, set the time for 1 minute, add if decreases. When the time is up, swipe the surface and weigh.
- BD= the weight of powder without containment/100 (gr/cc)
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Moisture Content Testing Method
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TOOLS
- Moisture Analyzer with Accuracy of 0.01 gr
- Spatula Spoon
PROCEDURE
- Set moisture analyzer temperature into 120 ºC, stop mode = auto stop.
- Open cover and zero along with the containment.
- Place 4-5 gr of sample.
- Close the cover and press start.
When the drying is finished, the result will be shown.
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Absorption Power Testing Method
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TOOLS
- Scales with Accuracy of 0.01 gr & 0,001 gr
- 250cc Erlenmeyer Flask, Connect Vacuum Pump
- Magnetic Heater Stirrer (250-300 RPM)
- Stopwatch
PROCEDURE
- Weigh 200 gr OF CPO/ 70 gr in Erlenmeyer, weigh the be pursuant to dosage.
- Turn on stirrer and set heater temp to 90-110 ºC, turn on vacuum pump (60 TOR)
- When the temp is 90 ºC, insert, INSERT H3PO4 C=85% 0,1CC (0.05%) set the time for 5 minutes, then insert bleaching earth, set the time for 30 minutes (Temp = 90-110 ºC)
Then do the filtering to see the color of RBPO.
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Filtration Testing Method
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TOOLS
- Vacuum Funnel, Filter Paper SS595
- 250cc Erlenmeyer Flask, Connect Vacuum Pump
- Stopwatch
PROCEDURE
- Use 70 gr of CPO, and bleaching earth dosage OF 3% (Cake’s thickness is about 3mm, diameter is 42mm).
- Prepare the filtration tools and turn on the vacuum pump (740-750 mmHg).
- Pour CPO from bleaching process into funnel, shake before pouring so that there is no be sendiment.
- After the cake is formed, (Erlenmeyer volume = 40 cc), press the stopwatch and record the filtration time.
- The filtration time is the time required for 20 cc of CPO to pass the filtration media (BE thickness = 3 mm, diameter = 42 mm) at 90-110 ºC.
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Deodorizing Testing Method
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TOOLS
- Vacuum Distillation Set
- Vacuum Pump with Pressure Indicator
- Heater Mantel with Control
- Nitrogen
PROCEDURE
- CPO from bleaching process enters the distillation flask.
- Turn on the vacuum pump and check to make sure there is no leakage, the maximum pressure is 2 TOR.
- Open the nitrogen tap gradually and make sure the pressure is no more than 2 TOR (nitrogen serves to eliminate oxygen so there is no oxidation / scorch and as media to stir the CPO).
- Set control heater mantel deodorizing temperature to 260ºC and set the deodorizing time for 1 hour, then turn it on.
- When the desired temperature reached, the timer will calculate automatically and after the countdown finished, heater mantel will be turned off automatically.
- After the heater mantel is off, wait the temperature to decreaseinto below 50ºC then shut down the vacuum pump and close the nitrogent tap.
- Get the oil out of the flask and analyze the colour of RBDPO.
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