With the incineration of domestic waste to generate electricity becoming the mainstream treatment method, a new challenge arises: how to deal with the large amount of incineration bottom ash produced after incineration? Direct landfill is not only a waste of land resources, but also a huge waste of the valuable metal resources contained therein. In fact, through the advancedresource separation program, these incineration bottom ash can be completely "waste into treasure", to achieve environmental benefits and economic benefits of a win-win situation.

First, the core processing concept: from "waste" to "urban mine".

Waste incineration bottom ash residue of the correct direction of treatment, not simply landfill, but as a much-needed development of the "urban mine". Which containsiron, copper, aluminum, stainless steeland other ferrous and non-ferrous metals, and even trace amounts ofgold, silverand other precious metals. A set of mature resource separation program, aimed at purely physical methods, efficient, environmentally friendly recovery of these valuable substances, and the remaining tailings into useful building materials, and ultimately realize the incineration of the bottom of the ash residue ofthe whole quantitative, resourceful, high-valueutilization.

Second, the whole process of resource separation program details

A complete set of incineration bottom ash resource separation program, usually contains the following core processes and equipment:

1. Pre-treatment and crushing system

• Purpose: uniform feeding, and through crushing to make the metal and slag fully dissociated.

• Process: The incineration bottom ash is fed intothe plate feederby forklift, and then conveyed into thedrum screenfor preliminary screening and debris removal. Large pieces of incineration bottom ash slag then enter thespecial crusher, be crushed to uniform particle size, for the subsequent high-efficiency sorting to lay the foundation.

2. Multi-stage precision sorting system (core link)
This is a key step in determining the metal recovery rate and economic benefits, using a "combined fist" type sorting process:

• Magnetic Separation: Adoptingpermanent magnetic separator, the high-intensity magnetic field can efficiently adsorb and recover ferrous metals, with a very high recovery rate.

• Eddy current sorting: using the eddy current effect, accurate bounce separation ofcopper, aluminum, zincand other non-magnetic non-ferrous metals, mature technology, high sorting efficiency.

• Gravity separation: usingjiggerandshaking table, according to the material specific gravity difference, fine separation and enrichment of heavy minerals (such as stainless steel) and trace precious metals (gold, silver), further enhance the recovery value.

3. Slag water treatment and environmental protection closed-loop system

• Purpose: to realize the separation of slag water and water recycling, to ensure that the whole process without secondary pollution.

• Process: after sorting the slag-water mixture into thedewatering screenandfilter press, to realize the complete separation of slag and water. Separated clear water into therecycling water systemfor reuse, while the de-cemented slag becomes raw materials for building materials.

4. Resource utilization of finished products

• Metal products: all kinds of metals after classification and packing are sold to metallurgical enterprises as high-quality recycled raw materials, creating direct economic returns.

• Tail residue products: the dewatered tail residuemeets the GB/T25032-2010 building materials standards, and can be used forbrick making, cement blending, roadbed bedding, etc., bidding farewell to landfills.

Third, the advantages and value of the program

Choose a professional resource separation program, can bring multiple values for the waste power plant or slag treatment enterprises:

• Significant economic benefits: short return on investment cycle, usually10-18 monthsto return to the capital, metal earnings continue to be stable.

• Reliable environmental compliance: the whole process of physical sorting, no chemical additives, circulating water system to achievezero pollution, zero emissions, easily meet the most stringent environmental requirements.

• Mature and stable technology: Based on more than 20 years of industry experience, the process is stable and the equipment is reliable, which ensures the continuous and efficient operation of the production line.

• High degree of resource utilization: not only the metal recovery rate is leading in the industry, but also the tailings can be 100% resource utilization, helping to realize the goal of "waste-free city".

Successful Project Cases

The solution has been successfully applied in many domestic provinces and overseas markets (e.g. Vietnam), providingacomplete line of solutionsfrom200 tons/day to 2000 tons/dayof different treatment scalesfora city investment company in Jiangsu, a listed company, and professional slag operators, etc., with stable project operation and rich returns for customers.

Choose a partner to achieve a green future

Waste incineration bottom ash is no longer a headache of waste, but a valuable resource. The key to treatment lies in choosing a set of scientific, efficient and stable resource separation solutions.

We are committed to providing:

• Tailor-made complete line solution: flexible design according to your material characteristics, site and budget.

• Independent R&D and manufacturing of core equipment: ensure stable performance and high processing efficiency.

• One-stop service from design to after-sales: covering process design, manufacturing, installation, commissioning and training.

If you are looking for a reliable solution for incineration bottom ash treatment, please feel free to contact us! Our professional engineers will provide you with detailed technical solutions and economic benefit analysis.

Let every ton of incineration bottom ash residue, all produce value!