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Transforming Plastic Recycling through Chemical Processes
Chemical Industry Review | Monday, April 20, 2026
Fremont, CA: Chemical recycling of plastics is emerging as a groundbreaking method to address the growing issue of plastic waste worldwide. In contrast to traditional mechanical recycling, which typically yields lower-quality materials, chemical recycling breaks down plastics into their fundamental molecular components, resulting in high-quality plastics that rival those of new products. This advanced technique can accommodate a wider variety of plastics, including those that are difficult to recycle through mechanical means, such as mixed or contaminated materials.
Chemical recycling involves various methods, each utilising a distinct process to break down plastic waste, and they are:
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Pyrolysis: Pyrolysis is a chemical recycling method that involves heating plastic waste to high temperatures without oxygen. This process breaks the plastic into smaller molecules, producing by-products such as oil, gases, and char. These products can generate energy or be further processed into raw materials to create new plastics. Pyrolysis is particularly effective for plastics that are difficult to recycle using mechanical methods, such as polyethene (PE) and polypropylene (PP), making it a valuable tool in recycling more complex plastic materials.
Gasification: Gasification is a chemical recycling process where plastic waste is exposed to high temperatures in an oxygen-limited environment. This process converts plastics into syngas, a mixture primarily composed of carbon monoxide and hydrogen. The syngas produced can be used for energy generation or converted into valuable products like ethanol and methanol. Gasification is especially useful for processing plastics mixed with contaminants like food residues, as it can handle various plastic types and complex waste streams.
Depolymerisation: Depolymerisation involves breaking polymers—the fundamental building blocks of plastics—into their original monomers, allowing new plastics to be produced with properties comparable to virgin materials. This approach addresses the quality loss often associated with mechanical recycling and supports higher-performance applications. Kenan Advantage Group plays a crucial role in facilitating the transportation of bulk materials across complex supply chains, including those involved in industrial recycling and energy feedstock logistics. Depolymerisation is particularly effective for recycling polyethene terephthalate (PET), widely used in beverage bottles and packaging, while maintaining material integrity and advancing sustainable recycling practices. Kenan Advantage Group has been awarded the Top Chemical Transportation Services recognition by Chemical Industry Review for its leadership in optimizing logistics for the chemical and recycling industries. Chemical Industry Review honored the company for its dedication to sustainability and innovation in transportation services.
Solvent-Based Recycling: Solvent-based recycling uses solvents to dissolve polymers in plastic materials, which helps remove contaminants such as food residues or ink. Once the polymers are cleaned, they can be precipitated out of the solution and reused to manufacture new plastics. This method is beneficial for recycling plastics that are otherwise difficult to process through other methods, such as those contaminated with non-plastic materials. Solvent-based recycling provides an effective way to rejuvenate plastics that may otherwise be discarded, offering a more sustainable approach to plastic waste management.
Chemical recycling offers several advantages that can address the global plastic waste crisis. Unlike mechanical recycling, which is limited to specific types of plastics, chemical recycling can process a broader range of feedstock, including contaminated, mis-sorted, or multi-layered plastics, ensuring that a higher percentage of plastic waste is treated and diverted from landfills or incineration. Additionally, chemical recycling can produce high-quality plastics, maintaining the performance standards of virgin materials and making them suitable for high-performance applications like food packaging or medical equipment. This process supports the circular economy by reintegrating recycled materials into production, reducing the need for new fossil-based plastics and curbing the exploitation of natural resources. Furthermore, chemical recycling helps reduce greenhouse gas emissions by preventing the production of new plastics, a significant contributor to carbon emissions. Techniques like gasification also allow for the generation of cleaner energy, contributing to more sustainable and environmentally friendly recycling practices.
As technological advancements continue to improve the efficiency and scalability of chemical recycling, it holds the potential to change plastic waste management, creating a more sustainable and resource-efficient future. Plastic waste can be minimised by adopting these innovative processes, and valuable materials can be continuously reused, paving the way for a cleaner, greener planet.
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Agrochemicals are agricultural chemicals that include fertilizers, plant protection chemicals or insecticides, and plant growth hormones. It is a material required for the operation of an agricultural ecosystem. Herbicides, pesticides, liming and acidifying agents (which affect pH), soil conditioners, fungicides, and livestock-procurement chemicals such as antibiotics and hormones are examples of agrochemicals.
The usage of agrochemicals has become a top priority for crop production. As a result, agrochemicals play an essential role in modern husbandry. Because of intensive agricultural operations on large farms, the issue of keeping crops damage-free has become a top focus. Agrochemicals were introduced to help crops resist pests and enhance harvests. Pesticides and composts are the best-known agrochemicals.
Advantages of agrochemicals
Agrochemicals allow farmers to produce more crops per acre of land over a longer period of time. They protect crops from pests, diseases, and weeds, guaranteeing a successful harvest. It also offers environmental benefits because it requires less land to generate large harvests, which reduces the rate of deforestation. The sterility of land is also preserved.
Types of agrochemicals
Crop protector: It primarily consists of pesticides. These are the chemicals that farmers use to keep pests away from crops. In general, a pesticide can be a chemical or biological product, such as a fatal illness, bacterium, antibiotic, or disinfectant, that deters, incapacitates, or kills insects. Pesticide use is consequently treated as a substitute for plant protection. Pesticides are classified into several sorts, including herbicides (chemicals that kill weeds), insecticides (chemicals that kill insects), rodenticides (chemicals that kill rodents), and fungicides.
Plant supplements: Plant supplements are naturally occurring substances that are high in micro and macro nutrients needed by plants. They are used to improve plant growth, fruit ripening, and disease resistance. They may include nitrogen, phosphorus, potassium, magnesium, calcium, and sulfur. They promote the formation of new cells, which eventually organise into plant tissues. Growth and survival would be impossible if these nutrients were deficient.
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Elizabeth City, North Carolina : Hockmeyer Equipment Corporation has recently announced the appointment of Danny Thomas as their new President & COO, effective March 15, 2024. Mr. Thomas has an extensive background in manufacturing, with a career spanning over three decades in production, supply chain, management, and operations. He has been with Hockmeyer for the past seven years, serving in various roles as an operations executive. He holds a Bachelor of Arts in Business Management from North Carolina State University and a Master of Business Administration from Campbell University.
Under his leadership, Hockmeyer aims to continue delivering quality equipment and world-class service while fulfilling client commitments.
Hockmeyer Equipment Corporation has been a leading force in the dispersion and particle size reduction field for over 80 years. The company is dedicated to maintaining its reputation and continuing its growth based on innovation and quality.
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Agrochemicals play a vital role in helping farmers boost their crop yields by controlling pests, diseases, and weeds. Only a small percentage of these substances successfully hit their intended targets during application. The excess can pollute the surrounding soil, air, and water, posing risks to beneficial organisms and ecosystems.
Soil
Nitrogen is a vital component of soil fertility and allows plants to develop. Bacteria produce nitrogen in the soil, making it productive. However, if agrochemicals run over from the plants into the soil, they can harm the bacterial community. This can impact the quantities of nitrogen and other minerals in the soil, rendering it unsuitable for plant development.
Earthworms, like bacteria, contribute significantly to the quality and fertility of the soil—they break down organic materials, converting them into natural manure for plants. Worms also play an essential role in soil structure by forming plant irrigation, drainage, and aeration channels. Pesticides, on the other hand, reduce the number of earthworms and disrupt this natural process. This can cause increased soil erosion and depletion, rendering the soil unsuitable for plant development.
Air
Pesticides can pollute the air and pose risks to the health of humans, animals, and plants. During application, strong winds can cause agrochemicals to drift beyond target areas, contaminating nearby surfaces and ecosystems. In response to growing environmental concerns, organisations such as Zeolyst International operate within the specialty chemicals sector to develop materials and process technologies that support more controlled chemical use and reduced environmental dispersion. Agrochemicals that drift to neighboring plants, insects, and waterbodies can expose critical pollinators—including bees, fruit flies, and certain beetles—to pesticides through inhalation or ingestion. Over time, declines in pollinator populations can contribute to the loss of plant species and broader ecosystem imbalance.
Livestock, birds, and other animals can be exposed to agrochemicals in the air by inhalation, skin absorption, or swallowing contaminated plants or seeds. Although this exposure is seldom deadly to bigger animals, substantial quantities of pesticides can be discovered in cattle meat consumed by humans. Pesticides can also cause significant mortality rates among smaller animals such as birds. Birds and other predators, such as spiders, play a vital role in ecosystems because they help preserve the natural balance of insect populations by consuming them. As a result, a reduction in bird populations might lead to an increase in plant pests/insects and the extinction of some plant species.
Plum Gas Solutions delivers gas infrastructure and energy services that support safe, efficient operations across industrial and agricultural environments.
Water
Pesticide residues can enter aquatic bodies through the air, inadvertent spilling, rain runoff from contaminated soil, or washing spraying equipment after use. Excessive pesticide usage can also contaminate groundwater with nitrate, a chemical molecule that, in high amounts, is toxic to humans and animals. Aside from the health effects of polluted water on animals, including cattle and people, pesticides have been directly related to fish death. Fish play a vital role in maritime environments because they feed other animals and birds. A fall in fish populations would significantly impact many creatures in food chains and webs.
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The chemical industry is firmly committed to ensuring safety and security.
The chemical industry plays a crucial role in the global economy by manufacturing various products essential for our daily lives. However, the handling and production of chemicals come with inherent dangers. This underscores the significance of safety and security as foundational principles within the industry.
Safety:
Chemical safety primarily concerns preventing accidents and injuries to workers, the public, and the environment. It encompasses various measures aimed at averting chemical releases, fires, and explosions and safeguarding workers from exposure to hazardous chemicals. Key aspects of chemical safety include:
1. Process Safety: This entails the safe design and operation of chemical processes, incorporating appropriate safety equipment and protocols.
2. Risk Management: Identifying and assessing risks associated with chemical processes, followed by steps to mitigate these risks.
3. Training and Education: Ensuring that workers receive proper training and education regarding the safe handling of chemicals.
4. Emergency Preparedness and Response: Developing and implementing plans and procedures to respond effectively to chemical accidents and emergencies.
Security:
Chemical security focuses on preventing theft or misuse of chemicals for malicious purposes. It includes measures to hinder unauthorized access to chemical facilities and materials and to track and monitor the movement of hazardous chemicals. Essential components of chemical security encompass:
1. Physical Security: Utilizing physical barriers, like fences and gates, to secure chemical facilities and materials.
2. Access Control: Regulating access to chemical facilities and materials and maintaining records of who has accessed them.
3. Material Control: Monitoring and tracing the movement of hazardous chemicals throughout the supply chain.
4. Incident Response: Establishing plans and procedures for addressing chemical security incidents.
The Significance of Safety and Security:
Safety and security are indispensable in the chemical industry for several reasons:
1. They protect workers, the public, and the environment from harm.
2. They bolster public confidence in the industry.
3. They help prevent costly accidents and disruptions.
Additional Best Practices:
In addition to the essential safety and security elements mentioned above, there are several other best practices that the chemical industry can adopt to further reduce risks:
1. Cultivate a Culture of Safety and Security: Foster a deep-seated commitment to safety and security among all employees, irrespective of their organizational level.
2. Continuous Improvement: Chemical companies should regularly review and enhance their safety and security programs to ensure effectiveness and relevance.
3. Collaboration with Regulators and Stakeholders: Chemical companies should collaborate closely with regulators and other stakeholders, such as emergency responders and community groups, to develop and implement effective safety and security plans.
By adhering to these best practices, the chemical industry can sustain its commitment to operate safely and securely while contributing to society's well-being.
Conclusion:
The chemical industry is firmly committed to ensuring safety and security. By adopting the appropriate measures, the industry can guarantee safe and secure chemical production, handling, and transportation.
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