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Mr. Guy Davies, Director of Gas Purification Business at DAS Environmental Expert, said: “LARCH is our solution for the real needs of LED manufacturers. As we all know, LED industry is an emerging growth market, in the process of talking with customers. We understand their need for modern processing technology. We have deeply thought about and researched and launched the LARCH system. The system has attracted a lot of attention, and some potential customers have already consulted about it."
Industry analysts predict that demand in the LED market will continue to grow. After providing LED backlighting for small LCD screens and large LCD screens in the TV market, the next potential growth market will be the lighting industry: in 2012, LED sales in this market reached almost $3.5 billion - almost more than in 2010. Some time. Analysts expect that the market will grow by more than $7 billion in 2014, and the total LED market will reach a record high of $17.7 billion*.
A large-scale LED mass market also means a significant increase in emissions. In the production of products based on new light-emitting diode (LED) technology, ammonia and hydrogen are used in large quantities as process gases. DAS environmental engineers are already aware of this market trend. In the new LARCH system, the initial thermal dissociation of ammonia is achieved by heat of reaction, which is then ignited and burned off by an electrical heating element, and the heat of reaction generated is transferred to a downstream heat exchanger. This is a very clever processing solution for the large amount of process gas produced in the LED production process. 
Gas cleaned by LARCH can be safely released into the atmosphere. Sensors and a large number of redundant safety systems ensure operational stability and safety. Although the principle of the process is very simple, it can reduce emissions in a cost-effective manner and can replace the previously used wet scrubbing solutions that produce large amounts of ammonia solution. At the same time, this solution is more environmentally friendly.
Davies concluded: “We developed the LARCH system specifically for the typical application of the LED industry and adjusted it according to the requirements of the industry. But we can imagine that the system can also be applied in other processes that generate ammonia and hydrogen. Therefore, we will continue to develop this technology."
Company Profile
DAS Environmental Expert is an environmental technology company headquartered in Dresden, Germany. Founded in 1991, DAS is the world's leading provider of process gas processing technology and equipment solutions. DAS technology has been widely used in many international leading companies in the semiconductor, TFT-LCD, electronics and solar industries. The company also has a business unit that develops processing and system solutions for industrial and utility wastewater. DAS Environmental Expert has a global presence and currently employs 228 people, with an average annual sales of 21 million euros in recent years.
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DAS develops innovative exhaust gas cleaning technology for the LED industry
DAS Environmental Expert's LARCH system was developed specifically for the treatment of LED industrial reactive exhaust gases, a new technology for the environmentally friendly LED industry. Since 2013, in the first batch of countries or regions such as Taiwan, China has strengthened the implementation of wastewater and waste gas treatment regulations, and the demand for new environmentally friendly solutions is imminent.