APPARATUS / MACHINES USED FOR BEER PRODUCTION IN A BREWERY COMPANY

 RETSCH SIEVING MACHINE

Fuel/oil analysis includes; 
− flash point
− Water content
− Temperature and specific gravity
Flash point:
Apparatus
Flash point tester, syringe, tissue paper, lighter.

Procedure;-

1.      Set the temperature on the flash point tester by press holding   the temperature button
2.       Introduce 1ml of the sample into the sample cup.
3.       Switch the gas supply on and light with a lighter, press start to start ramping.
4.      In every 1◦c rise in temperature it beeps and once it does that, adjusts the shutter until it reaches it’s   flashing point. Then read off.

FLASH POINT TESTER
  
Water content                                                                                                               
This measures the percentage of water in the fuel/oil.
Procedure:
1.        Add 20mls of reagent A into a beaker
2.        Add 1ml of the fuel/oil sample into it
3.        Add 1 sachet of calcium hydride into the beaker and shake
4.        Transfer the content of the beaker into the black bottom of the machine and press start (shake vigorously for 10 mins and allow to read)
5.        Read off the result (the water content should be ≤ 1٪)


Temperature and specific gravity
Procedure:
1.        Measure 300mls of the sample into a measuring cylinder
2.        Insert the thermometer and read off the temperature
3.        Insert the hydrometer and read off the density (density/1000 will give the specific gravity)

Bloom test
     This is the analysis carried out on new virgin bottles used in packaging of the beverages. This is to check if there is any phenol ions residue that could be leaching out from the bottle.
Procedure:
1.        Measure 100mls of distilled water into the bottle and shake
2.        pour into a conical flask and add 3 drops of  phenolphthalein and shake
3.        If the colour changes to pink, there is presence of phenol ions.
4.        Repeat for about 2 times on that same bottle, if there is a colour change, the bottle will be rejected. Otherwise it is accepted.
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