4. Distillation: processes, separatory
  5. Water purification only

Ronald B. Fletcher

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Process for pelletizing a sulphur-bentonite clay mixture and the

Chemistry: fertilizers – Processes and products – For mushrooms
Patent

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Sewage treatment process and apparatus

Distillation: processes – separatory – Water purification only
Patent

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Sulphur pelletizing apparatus

Plastic article or earthenware shaping or treating: apparatus – Means making particulate material directly from liquid or... – And distinct means applying congealing fluid to formed...
Patent

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