Waste separation is the process of separating waste into different elements. Waste sorting can be done manually at the household and collected or automatically separated in materials recovery facilities. Hand sorting was the first method used in the history of waste sorting.
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Separating waste is the innovation of traditional waste collection and disposal. With the growing waste production and deterioration of the environment, it becomes the typical focus on achieving garbage utilization and improving the quality of the living environment.
Waste separation is an essential step before the disposal of waste. The valuable waste can be sorted for recycling and reusing through separation, such as plastics, paper, rubber, bottles, glass, etc. Separation of waste for recycling improves the level of resources utilization and reduces the amount of garbage.
Magnetic separation is separating components of mixtures by using different types of magnets to attract magnetic materials. The process that is used for magnetic separation detaches non-magnetic material from those that are magnetic.
Magnetic separation can be used in different environments and markets, so are magnetic separators used primarily for recovering metal from waste or purifying secondary materials by removing metals. But magnetic separators are also used in electromagnetic cranes that separate magnetic material from scraps and unwanted substances. Magnetic separation is also used in the mining and mineral industry and plays a small role in the food and pharmaceutical industry. For example, to remove metal contaminants from product streams.
How is a magnetic separator used in recycling applications?
A magnetic separator consists of a powerful electromagnet placed or suspended from a ceiling or device. Materials can be passed over a tabletop magnetic separator, while suspended magnetic separators often hover over material to remove imperfections. Magnetic separators can also be cylinders that objects pass through.
In the recycling industry, magnets are commonly used to attract ferrous materials, such as tin, iron, steel, and many more. Magnets are found along assembly lines where they will be placed either above or below the conveyor belts to attract said materials or minerals.
Screening is the most standard form of separating solid waste, depending on its size, by using one or more screening surfaces. Screening has several applications in solid waste resources. Screens can be used before or after shredding and after air separation of waste in various applications. Rotary drum screens and various vibrating screens are the most commonly used screens nowadays.
Selection of screening systems
Screening systems come in many shapes and sizes and provide various sorting solutions. Popular screening systems include the screen drum, trommel screens, mobile screens, vibrating screens, and many more.
The following variables affect the decision of selecting the most appropriate screen:
- Separation efficiency.
- Material specification for screened components.
- Location where screening is to be applied.
- Characteristics of waste material to be screened and the screen design
- Operational characteristics (energy and maintenance requirements, simplicity of operation, reliability, and more.
- Site considerations include space and height access, noise, and environmental limitations.
Sensor-based sorting has become more established in recent years, and it’s commonly used in the mining industry. The benefits of automatic sorting using color, x-ray, or near-infrared sensors are increasingly common in the industry and therefore accepted as the standard process. Mining technologies, like sensor-based sorting, can address the problems the industry now faces, such as water shortages, declining ore grades, and increasing environmental regulations.
Usage of sensor-based sorting technology
Sensor-based sorting has been used in the food processing and waste/recycling industries. In recent years, the mining industry has become more common for sensor-based sorting.
Sensor-based sorting is used for particle sizes ranging between 0.5 to 300 mm and is completed before applying fine comminution and chemical processing techniques. The goals are to remove waste before production and recover the usable ore.
Robotic recycling sorting uses artificial intelligence (AI) and robotics to sort plastics, so humans don’t have to. With advanced cameras and technology, these companies count on robots to sort recycling.
How does robotic sorting work?
Cameras and high-tech computer systems trained to recognize specific objects will include the robotic components over conveyor belts to reach their target. Sensors attached to the arms can detect and interact with cans, glass, plastic containers, and any other recyclable items out of the otherwise garbage and place them in their respective bins.
Advantages of robotic recycling include:
- Reduced reliance on manual sorters, therefore, more reliable
- Increased agility and accuracy
- Improved knowledge
- Advantages of AI
- Quality control
Color sorters (often called optical sorters, digital sorters, or electronic color sorters) are sorting machines used on the production lines in bulk food processing and many other industries. They separate items by their colors, detecting the colors of things that pass before them.
Color sorters are primarily used in sorting grain (agricultural products), and the rice sorting industry is the first big market. Color sorters are also used for the food processing industry, such as coffee, nuts, and oil crops. Colour sorters are also found in the mining industry, more specifically, the diamond industry.
Color sorting in the recycling industry
In the recycling industry, the color sorter can distinguish between colored and colorless PET and HDPE flakes and separate flakes by color. Plastic color separators are used to separate mixed-color plastic flakes or particles, and Plastic-type separators separate plastics of the same color but different materials.
NIR sorting is the industry’s preferred plastics sorting technology because it can accurately identify the many different polymers already in use today. NIR technology is also widely used to recover valuable materials from streams in the waste industry.
The minerals industry offers various fields of application for NIR spectroscopy, and NIR spectroscopy can be implemented as offline laboratory analysis and online process control. In both cases, the well-known characteristics, namely: short analysis time, non-destructive, easy sample preparation, relatively low cost) are the best reasons for using NIR spectroscopy in the minerals industry.
Benefits of NIR
NIR sensors have already been proved to be efficient in the mechanical sorting of plastics in sorting facilities and the mineral industry. They are also an affordable option, as the development of MEMS technology has resulted in very cost-effective NIR solutions.
It is no secret that technology has had a profound impact on virtually every industry in the world. The waste management industry is no exception. In this blog post, we will discuss how technology has changed the waste management industry and what the future holds for this field.
The waste management industry has always been an essential part of society. After all, it is responsible for disposing of the vast majority of the world's waste. However, the way in which this industry operates has changed significantly over the years, thanks to advances in technology.
Automated Waste Detection and Collection
One of the most significant changes that technology has brought to the waste management industry is the introduction of automated waste collection systems. These systems use sensors to detect when a bin is full and then empty automatically. This has made waste collection much more efficient and has resulted in less waste being left on the streets.
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Advancement in Recycling Processes and Technology
Another change that technology has brought to the waste management industry is the advancement of recycling technologies. In the past, most waste was simply sent to landfill sites. However, now there are a variety of recycling technologies that can be used to recycle many different materials. This has dramatically reduced the amount of waste that is sent to landfill and has helped to improve the environment.
The Internet of Things
One of the latest trends in the waste management industry is the use of the Internet of Things (IoT). The IoT is a network of devices that are connected to the internet and can communicate with each other. This technology is being used to develop smart waste management systems. These systems can track how much waste is being produced and can even send alerts when a bin is full. This helps to reduce the amount of waste that is produced and makes the waste management process more efficient.
Waste Management Software
Another area where technology is having a big impact on the waste management industry is in the development of waste management software solutions. There are now a variety of software solutions that can be used to manage waste more effectively. This includes software that can help to track waste, schedule pickups, and even process payments. This type of software is making the waste management process much more efficient and is helping to save businesses money.
Enterprise Resource Planning for Waste Facilities
Perhaps more than any other software technology, ERP for Waste Facilities is helping to streamline the operational and financial processes that waste management facilities need to manage. ERP (Enterprise Resource Planning) software is a comprehensive business solution that helps organizations to manage all aspects of their business. This includes managing finances, inventory, customer & supplier relationships, and much more.
An ERP for Waste Facilities, like NetSuite and WeighPay, is a specialized software that has been designed specifically for the unique needs of waste management facilities and helps these facilities to manage their operations more effectively and to improve their financial performance.
Integrated Hardware and Software Reducing Manual Administration
In the past, most waste management facilities were managed manually. This meant that a lot of paperwork was involved in the process. However, now there are a variety of software solutions that can be used to automate many of the tasks involved in managing a waste facility. From scale management solutions, cameras and ID scanners through to electronic signature capture, specialized hardware is now available to help streamline the process of transacting with customers and suppliers.
Using Technology to Support Advancements in the Circular Economy
The circular economy is seen as a logical alternative to a linear economy. In a linear economy, natural resources are extracted for producing materials that are manufactured in products to be incinerated or landfilled after use. The essence of a circular economy is to preserve natural resources by retaining the quality and value of products and their parts, and the materials.
Technology plays a vital role in supporting the advancement of the circular economy. From better resource tracking and tracing, through to gaining visibility into the lifecycle of a product or resource, technology can help to make the circular economy a reality.
Some of the ways that technology is being used to support the advancement of the circular economy include:
- Product lifecycle management software that tracks products from production through to end-of-life. This helps to ensure that products are recycled or reused instead of being sent to landfill.
- IoT devices that can be used to track the movement of resources and products. This helps to ensure that materials are being used efficiently and not wasted.
- RFID tags that can be attached to products and resources. This allows for better tracking and tracing, which is essential for a circular economy.
The Future of Waste Management
It is clear that technology is having a big impact on the waste management industry. From automated collection systems to advances in recycling technologies, technology is helping to make the waste management process more efficient. In addition, the use of software solutions is helping to save businesses money. The future of waste management looks set to be even more reliant on technology as new solutions are developed to address the challenges that the industry faces.
About WeighPay
WeighPay is a leading provider of enterprise resource planning (ERP) software for the waste management industry. WeighPay helps organizations to manage all aspects of their business, from finances and inventory through to customer & supplier relationships. WeighPay also integrates with leading accounting solutions including Quickbooks, Quickbooks Online and NetSuite, meaning that Waste Management Companies are able to manage all aspects of their operations on a single integrated business management platform.
If you are interested in learning more about WeighPay's Waste Management Edition, reach out to our team of industry experts to arrange an obligation free discussion and demonstration.
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