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Description
A process of treating wastewater comprising the steps of inserting an ozonator into a source of wastewater to degrade contaminants in said wastewater; characterized by introducing said wastewater containing ozone gas into a UV reactor to completely…
Classification
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Description
The present invention discloses a method of preparing a controlled-release nitrogen, phosphorus and potassium (NPK) compound fertilizer. The method comprises steps of preparing a PLA biopolymer at a predefined concentration between 5-15 %w/v by…
Classification
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