Wet treatment process for household waste slag

Wet treatment process for household waste slag

The slag of domestic garbage refers to the solid waste generated in the process of Incineration, and its main component is slag. Slag is a substance with acidity and alkalinity, containing a large amount of heavy metals and harmful substances, causing serious harm to the environment and human health. In order to solve this problem, the wet treatment process of household waste slag has emerged.

1、 The principle of wet treatment process for household waste slag

The wet treatment process of domestic waste slag is to use the chemical reaction principle to react the heavy metal ions and harmful substances in the slag with certain concentration of chemicals (such as sulfuric acid, sodium hydroxide, etc.), so that they can be converted into water insoluble sediment and water soluble hydrochloric acid, and finally achieve the purpose of purifying the slag.

2 II. Operation steps of wet treatment process for household waste slag

1. Slag pretreatment: Conduct preliminary screening and magnetic separation of household waste slag to remove large particles and iron substances.

2. Reagent preparation: Prepare the required chemical agents into a solution of a certain concentration according to a certain formula.

3. Reaction tank dosing: Add the prepared chemical solution to the reaction tank and react with the slag.

4. Stirring reaction: Stirring reaction is carried out in the reaction tank to fully mix the chemical agent and slag for reaction.

5. Precipitation separation: After reaction, the generated precipitate and solution are separated to obtain purified slag.

3、 Advantages of wet treatment process for household waste slag

1. Good purification effect: The wet treatment process of household waste slag can effectively remove heavy metals and harmful substances from the slag, achieving the goal of purification.

2. Simple operation: The wet treatment process of household waste slag has simple operating steps and is easy to operate.

3. Low treatment cost: The chemical reagents required for the wet treatment process of household waste slag are low in cost, and the treatment cost is relatively low.

4. Significant environmental benefits: The wet treatment process of household waste slag can effectively reduce the harm of slag to the environment and human health, and has significant environmental benefits.

4、 Conclusion

The wet treatment process of household waste slag is an effective method for treating household waste slag, which has simple principles, convenient operation, low treatment cost, and significant environmental benefits. In the future treatment of household waste, the wet treatment process of household waste slag will be more widely applied.

Wet treatment process for household waste slag