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TWO:Berlin was almost defenseless. All Saxony was rising in arms behind Frederick. The invader of Silesia was in danger of having his own realms invaded and his own capital sacked. Frederick was thoroughly roused. But he never allowed himself to appear agitated or anxious. He ordered Leopold, the Old Dessauer, to march immediately, with all the troops he could rally, to the frontiers of Saxony. He even found it necessary to detach to the aid of Leopold some corps from his own enfeebled forces, now menaced by an Austrian army twice as large as he could oppose to them.The thought alone, he wrote, of your death, my dear Suhm, affords me an argument in proof of the immortality of the soul. For is it possible that the spirit which acts in you with so much clearness, brightness, and intelligence, which is so different from matter and from bodythat fine soul endowed with so many solid virtues and agreeable qualitiesis it possible that this should not be immortal? No! I would maintain in solid argument that, if the greatest part of the world were to be annihilated,426 you, Voltaire, Boileau, Newton, Wolfius, and some other geniuses of this order must be immortal.107

Hydrocyclone (liquid cyclone)01

Hydrocyclone (liquid cyclone)02

A hydrocyclone (liquid cyclone) injects treatment solution into stationary equipment to perform separation, classification, and concentration, and is an innovative separator with a very simple structure and no drive unit.

Structure of a hydrocyclone (liquid cyclone)

A suspension containing fine particles of several micrometers or more is supplied to a cylindrical container circumferentially at high speed. And as a result it starts to rotate and a centrifugal force is generated. At this time a gravitational acceleration of several tens of thousands of G is generated in the circumferential direction, and thus leading to fast sedimentation and concentration of the fine particles. The separated concentration can be freely selected by changing the supply rate (supply pressure and flow rate) and the flow ratio of the outlet. Our hydrocyclone (liquid cyclone) was designed and manufactured to classify and concentrate fine particles, and so has a small element.

THREE:For the most part, one of his own grenadiers was the model from which he copied. And when the portrait had more color in it than the original, he was in the habit of coloring the cheeks of the soldier to correspond with the picture. Enchanted with the fruits of his genius, he showed them to his courtiers, and asked their opinion concerning them. As he would have been very angry with any one who had criticised them, he was quite sure of being gratified with admiration.
  • Equipment costs can be reduced.
  • Operating costs can be reduced.
  • Maintenance costs can be reduced.
  • Any change in raw material and product can be easily addressed.
  • Large amounts can be treated in a small area.
  • Separation and cleaning are easy because of the simple structure.
  • Simplified control
  • This equipment can be operated in synchronization with external devices.
  • Alarm and interlock mechanism.
THREE:Chaplain Müller was especially directed to argue with Frederick upon this point, and, if possible, to convert him to Christianity. The correspondence which ensued between the king and Müller is preserved. The king wrote to the chaplain, under date of November 3d, 1730:
  • Classification and concentration for the manufacture of inorganic powder materials
  • Classification of ceramic materials
  • Removal of fine particles, including iron powder
  • Removal of fine particles from pigments
  • Removal of fine organic particles from solvents
  • Separation of starch and yeast
  • Removal of fine particles from high-temperature strong acid solutions
  • Removal of fine particles from low-temperature solutions