Is PVC recycling profitable

Time:2024-05-24

Background

PVC, a widely used plastic material, requires large amounts of raw materials such as petroleum for its production. However, with the increasing shortage of global oil resources, the production cost of PVC is rising. At the same time, the concept of circular economy has gradually taken root in people’s hearts, and people have begun to pay more attention to the reuse of waste resources.PVC recycling, as an effective way of resource recovery, not only reduces the production cost, but also reduces the impact of waste on the environment.

Recyclable value
PVC recycling can significantly reduce the environmental impact of plastic waste. Collecting and mechanically recycling used PVC reduces CO2 emissions. For example, according to data, collecting and mechanically recycling 1 ton of used PVC will generate approximately 120 kg of CO2, while using raw materials (salts and oil) to produce 1 ton of pure PVC material will generate 1,900 kg of CO2. This means that using recycled materials will save 94% of CO2 emissions compared to using pure raw materials.
PVC recycling not only saves social resources, but also production costs. Recycled PVC materials can be processed and used to manufacture a variety of products, such as sewer pipes, atmospheric pressure drains, window frames, window sills, telephone lines or cable ducts. These products can be used directly instead of raw materials, reducing production costs.

Recycling method

Mechanical recycling of PVC is an important recycling method, which mainly recycles and treats waste PVC products by physical means to realize the reuse of resources and reduce environmental pollution.

I. Principle

Mechanical recycling of PVC is mainly through physical methods, such as cutting, screening, grinding, etc., to convert waste PVC products into reusable PVC particles or powder. This method will not change the chemical structure of PVC, but only its physical form, so that it can be reprocessed into new PVC products.

II. Process

Scrap collection: Collect discarded PVC products from various sources, such as municipal waste recycling stations and corporate waste treatment centers.
Classification of waste products: Classify the collected waste PVC products according to material, color, shape, etc. for subsequent processing.
Pre-treatment of waste products: The classified PVC waste products are pre-treated by cleaning, de-mixing, crushing, etc., in order to improve the recycling efficiency and quality.
Plastic crushing: Put the pre-treated PVC scrap into the plastic crusher for crushing to get small PVC pieces.
Screening and regeneration: sieve the PVC fragments to remove the impurities and particles that do not meet the requirements, and then send the qualified PVC fragments into the regeneration equipment to be heated, melted, extruded, etc., and finally get the reusable PVC granules or powder.=

Advantages of Mechanical Recycling

Mechanical recycling of PVC is an efficient, environmentally friendly and adaptable way of resource recovery. It converts discarded PVC products into reusable PVC raw materials through physical means, significantly reducing the environmental pollution caused by PVC waste while saving valuable resources. In addition, mechanically recycled PVC reduces energy consumption, promotes the development of a circular economy, and makes a positive contribution to the sustainable protection of the environment.

 

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