How to deal with silt, how to deal with silt soil foundation?

There are three methods of sludge treatment: sanitary landfill, direct land use, and incineration.

1. Sanitary landfill: This disposal method is simple, easy and low-cost, and the sludge does not need to be highly dehydrated and has strong adaptability. However, there are also some problems with landfills, especially the formation of landfill leachate and gases.

Leachate is a heavily contaminated liquid that can contaminate the groundwater environment if a landfill is not properly situated or operated. The gas produced by the landfill is mainly methane, which can cause ** and combustion if not properly measured.

2. Direct land use: The direct use of silt land is considered to be a disposal method with the most development potential due to its advantages of low investment, low energy consumption, low operating costs, and the organic part can be converted into soil amendment components. The use of forest land and municipal greening has become an effective way of silt land use because it is not easy to pollute the food chain.

Silt is used for the restoration and reconstruction of seriously disturbed land (such as mining land, forest harvesting sites, landfills, and land that needs to be reclaimed in areas with serious surface damage), which reduces the potential threat of silt to human life, and not only disposes of silt but also restores the ecological environment.

3. Incineration: Direct incineration of wet sludge after drying is more common, and direct incineration of sludge without drying is not only very difficult, but also extremely uneconomical in terms of energy consumption. The sludge treatment method with incineration as the core is the most thorough sludge treatment method, which can carbonize all organic matter, kill pathogens, and minimize the volume of sludge.

However, the disadvantage is that the investment in treatment facilities is large and the treatment cost is high.

The silt is very fat, but it is also sticky. It's hard after drying. If you don't believe it, you can dry it first, and then try it when it's dry, you can't shovel it with a small shovel. I used to grow flowers with silt from the river, but then I changed all the soil.

Reputedly... I just said to take it back and dry it, then knock it into small pieces, sift it according to size, and mix it in other soil to use it well, it is said, it is just said.

Summary. The self-made method of silt can choose the common pastoral soil in life, dig up an appropriate amount of it, sterilize and disinfect the soil, you can choose to expose it to the sun, or soak the soil after diluting it with potassium permanganate and other solutions, so as not to carry germs and insect eggs, affecting the growth of plants. After that, put the disinfected garden soil into a pot and add water to moisten the soil.

Prepare a wooden stick, stir the moist soil, and add water continuously during the period to ensure that under the stirring of the stick, the soil has completely become a moist and thin mud state, and then choose to use the culture soil or base fertilizer to carry out the next step of silt self-control. Apply an appropriate amount of base fertilizer or culture soil to the treated thin mud to increase the fertility of the soil, then add water to the soil to stir to help it become a muddy water mixed state, and finally place the pot in a cool place to stand for a few days.

This question is up to me, it takes a little time to type, so please be patient.

The self-made method of silt can choose the common pastoral soil in life, dig it up an appropriate amount, sterilize and disinfect the soil, you can choose to expose it to the sun, or soak the soil after diluting it with potassium permanganate and other solutions, so as not to carry germs and insect eggs and affect the growth of plants. After that, put the sterilized garden soil into a flower pot, and add water to make the soil moist. Prepare a wooden stick, stir the moist soil, and add water continuously during the period to ensure that under the stirring of the stick, the soil has completely become a moist and thin mud state, and then choose to use the culture soil or base fertilizer to carry out the next step of silt self-control.

Apply an appropriate amount of base fertilizer or culture soil to the treated thin mud to increase the fertility of the soil, then add water to the soil to stir to help it become a muddy water mixed state, and finally place the pot in a cool place to stand for a few days.

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The foundation treatment methods of silty soil mainly include:

1) Vacuum preloading method;

2) Coupling method between stacking and vacuum preloading;

3) Drainage consolidation method of sand well foundation;

4) Stirring pile foundation reinforcement method;

5) Rotary grouting pile foundation reinforcement method;

6) CFG pile foundation treatment method;

7) Stiff cement soil pile planting method.

The silt foundation treatment method can be reinforced by piling. Because the hard soil layer needs to be driven, the height of the pile also needs to be at a level of stability.

1) Vacuum preloading method;

2) Coupling method between stacking and vacuum preloading;

3) Drainage consolidation method of sand well foundation;

Sludge digestion: the process of converting the organic matter in the sludge into a more stable substance under the condition of oxygen or oxygen, using the action of microorganisms. Aerobic digestion:

After a long period of aeration, part of the organic matter of the sludge is degraded and stabilized by aerobic microorganisms. Anaerobic digestion: the process in which the organic matter in the sludge is degraded and stabilized by anaerobic microorganisms under anaerobic conditions in the absence of oxygen.

Medium temperature digestion: The anaerobic digestion process of sludge at a temperature of 33 degrees to 530 degrees. High Temperature Digestion:

The sludge is digested at a temperature of 53 to 530 degrees Celsius. Sludge thickening: the process of using gravity or air flotation to reduce the water content of sludge and thicken the sludge.

Sludge washing: a sludge pretreatment method to improve the dewatering performance of sludge. Use clean water or wastewater to wash the sludge to reduce the alkalinity of the digested sludge, save the amount of sludge treatment and dosing, and improve the efficiency of sludge filtration and dewatering.

Sludge dewatering: the process of further removing a part of the water content of the concentrated sludge, generally referred to as mechanical dewatering. Sludge vacuum filtration:

The vacuum is used to depressurize one side of the filter medium, causes the pressure difference between the two sides of the medium, and the silt water is forced to filter through the silt of the medium. Sludge pressure filtration: a sludge dewatering method that uses positive pressure filtration to make the sludge water forcibly filter through the medium.