Henan Doing Environmental Protection Technology Co., Ltd

In the context of modern environmental protection and sustainable development, utilizing agricultural waste to produce charcoal has become an important way to achieve both environmental and economic benefits. Rice husks, a common agricultural byproduct, are rich in organic matter and can be converted into high-quality charcoal after carbonization. So, how much charcoal can one ton of rice husks produce? Under ideal conditions, 1 ton of rice husks can produce approximately 300 kilograms of charcoal during the carbonization process. Actual carbonization yield is affected by various factors, including the characteristics of the rice husk raw material itself, the performance of the carbonization equipment, and the operating process. Overall, using conventional carbonization processes, one ton of rice husks typically produces 260-280 kilograms of finished rice husk charcoal, meaning approximately 3 tons of rice husks can produce 1 ton of finished charcoal. Charcoal produced fr...

Solar modules are composed of various valuable materials, including glass, aluminum frames, silicon, and rare metals. After the solar panel modules have completed their lifespan (typically 20 to 30 years), these materials all have recycling value, and their useful components can be extracted through specialized solar panel recycling processes, contributing to resource recycling and reducing environmental burden. Based on the requirement, DOING has developed an innovative and environmentally friendly solar module recycling solution. Utilizing green technology, investors can effectively recycle materials from solar modules. The sustainable solar module recycling process typically includes: 1. Mechanical Disassembly and sorting: Removing external components such as aluminum frames and junction boxes. These materials can directly enter appropriate metal recycling channels. 2. Heat treatment: Decomposing the EVA film at a controlled temperature to facilitate the separation of pho...

Charcoal, as an important energy source and raw material, is widely used in homes, industry, and various cooking activities. Depending on the production method, raw materials, and intended use, charcoal comes in many different types and shapes. There are two main basic types of charcoal: conventional charcoal and compressed charcoal. Conventional charcoal is typically made from wood, bamboo, fruit shells (pistachios, almonds, walnuts), or other biomass materials through high-temperature carbonization. This type of charcoal is characterized by its irregular shape, usually appearing in blocks or granules. Besides common agricultural waste (like rice husks and straw), elephant grass, dried seaweed, and sorghum stems can also be pyrolyzed for charcoal production. Biomass pyrolysis for charcoal production equipment Compressed charcoal, on the other hand, is made by pressing charcoal powder into blocks using a specialized charcoal briquetting machine, forming regular shapes. Thi...

With the advancement of the global energy transition, the demand for lithium-ion batteries continues to grow, and battery recycling has become a crucial link in resource recycling. As an emerging market, India's rapid development in electric vehicles and renewable energy provides ample opportunities for battery recycling. Combining local policy trends and market demand in India, investing in lithium-ion battery recycling not only contributes to sustainable resource management but also brings multiple benefits to businesses and the environment. The Potential and Policy Support of the Indian Market In recent years, the Indian government's promotion of electric vehicle adoption and green energy initiatives has driven up lithium-ion battery consumption. According to the "India Electric Vehicle Market Report," electric vehicle sales in India exceeded several hundred thousand units in 2023. With the increase in the number of EVs, the usage and demand for lithi...

With the rapid development of the solar industry, previously installed photovoltaic panels are gradually reaching end-of-life. Sustainable management of scrap solar panels has become a critical issue for the industry. By applying advanced sorting technologies, recycling waste solar panels can not only reduce negative environmental impacts but also unlock potential economic profits. Advanced Sorting Technology: Unlocking Hidden Wealth The main components of solar panels, such as silicon, glass, and metals, are all recyclable resources. Recycling scrap photovoltaic panels goes beyond fulfilling environmental responsibility; it is a precise form of "urban mining." Advanced sorting technologies enable high-purity separation of glass, metals, silicon, and plastics, maximizing the economic value of each component. ①High-purity glass (approximately 65-75%): Recycled glass no longer needs to be cheaply disposed of as construction waste. After precise sorting to remove im...

When producing charcoal from wood, one of the most common questions is: How much charcoal can I get from 1 kg of wood? The answer depends on several factors, including the type of wood, its moisture content, and the efficiency of the carbonization machine used. 1. Wood type: Different types of wood convert to charcoal at different rates. For example, hardwoods (like oak or eucalyptus) generally produce more charcoal than softwoods (like pine). 2. Wood moisture content: Wood with higher moisture content requires more energy to evaporate the moisture, so its charcoal yield may be slightly lower. 3. Carbonization machine and process: Different charcoal manufacturing machine and processes directly affect the efficiency and quality of charcoal production. Under traditional methods such as earth kilns or brick kilns, the yield is typically low—only about 20–25%, meaning that 1 kg of wood produces around 200–250 grams of charcoal. These systems lose a large amount of heat energy and re...

As lithium ion batteries power more EVs and consumer electronics, their recycling becomes critical for sustainability. However, the recycling process is not without challenges—safety risks, low efficiency, and strict regulatory demands often stand in the way of profitable and eco-friendly operations. These challenges can deter businesses unless paired with the right technology. What are the challenges of lithium ion battery recycling process? Safety is the first major challenge. Lithium ion batteries contain flammable electrolytes and reactive materials. Improper handling during shredding or crushing can trigger thermal runaway, leading to fires or explosions. Traditional manual processes heighten this risk and slow down operations. Efficiency is another key issue. Material loss during lithium battery recycling is a common problem in the industry. Outdated Lithium ion battery recycling machine often delivers low material recovery rates (below 90%), wasting high-value metal...