Small quantity of industrial toxic waste is removed by

Options

A. Burning in open bins
B. Controlled incineration
C. Burning in closed bins
D. Both 1 and 2

Answer

To solve the question "Small quantity of industrial toxic waste is removed by," we need to analyze the options provided and understand the methods of waste management.

### Step-by-Step Solution:

1. **Understand the Types of Waste Management**:
- Industrial toxic waste can be managed through various methods such as recycling, incineration, dumping, sewage treatment, and digestion.

2. **Analyze the Options**:
- The options given are:
1. Burning in open bins
2. Controlled incineration
3. Burning in closed bins
4. Both 1 and 2

3. **Evaluate Burning in Open Bins**:
- Burning in open bins is typically used for small quantities of combustible waste materials, such as dried plant leaves. This method is suitable for small amounts of waste.

4. **Evaluate Controlled Incineration**:
- Controlled incineration is a method used for larger quantities of waste, particularly for hazardous materials like chemical waste or medical waste. This process involves burning waste in a controlled environment to minimize harmful emissions.

5. **Determine the Correct Method for Small Quantities**:
- Since the question specifies "small quantity of industrial toxic waste," burning in open bins is the most appropriate method. Incineration is generally reserved for larger quantities of toxic waste.

6. **Conclusion**:
- Based on the analysis, the correct answer to the question is **Burning in open bins**. Therefore, the correct option is **1**.

### Final Answer:
The small quantity of industrial toxic waste is removed by **Burning in open bins**.

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