How do you make prilled urea?

To make prilled urea, you will need to follow a step-by-step process. Here is a guide on how to make prilled urea:

### Step 1: Preparation.

1. Start by gathering all the necessary materials and equipment needed for the process. This includes urea granules, a prilling tower, a urea solution, and a cooling system.

### Step 2: Dissolving Urea.

2. Dissolve the urea granules in water to create a urea solution. This step is important as it helps in the prilling process.

### Step 3: Prilling.

3. Pour the urea solution into the prilling tower. The prilling tower is a tall structure with multiple small holes at the bottom.

### Step 4: Dropping Urea Solution.

4. The urea solution will drop through the small holes in the prilling tower. As it falls, it forms small droplets or prills due to surface tension.

### Step 5: Hardening.

5. The prills will then fall into a cooling system where they will harden and solidify into spherical pellets. This step is crucial to maintain the shape and integrity of the prills.

### Step 6: Screening.

6. After the prills have hardened, they are screened to remove any oversized or undersized pellets. This ensures that only the desired size prills are collected.

### Step 7: Drying.

7. The prills are then dried to remove any excess moisture. This step helps in increasing the shelf life of the prilled urea and prevents clumping.

### Step 8: Packaging.

8. Finally, the dried prilled urea is ready to be packaged into bags or containers for distribution and sale. The packaging should be sealed properly to prevent any moisture from entering.

By following these steps carefully, you can successfully make prilled urea. It is important to maintain the quality and integrity of the prills throughout the process to ensure a high-quality final product.

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