"Potentials in sewage are 10 times as much as the energy required to process sewage, and it can be very profitable to fully separate and reuse the energy and resources in the wastewater." Compared to conventional sewage treatment plants , Concept plant proposed four new goals, namely: water quality sustainable, energy recovery, resource recycling, environment-friendly. Water treatment technology is facing a new revolution Sewage treatment concept plant has taken shape After 30 years of rapid development, especially in the past 10 years, great achievements have been made in China's urban sewage treatment. Back in the past, brilliant no doubt, but along the way, there are some regret and hidden dangers of China's sewage treatment business. The absence of the concept of sustainable development from the top-level design to the concrete practice led to short-sightedness, extensiveness, chaos and even poor quality of the industry. Compared with the demands of the economy and society for the sewage treatment industry, it has presented a variety of unmet and future challenges Still grim China's sewage treatment project is urgently needed to conduct a future-oriented systematic exploration based on its national conditions and its own needs with a view to finding a new direction. Qu Jiu-hui, a member of the Chinese Academy of Engineering and a researcher at the Research Center for Eco-Environmental Sciences of the Chinese Academy of Sciences, Wang Kaijun, associate dean of Tsinghua University's Environmental School, and Wang Hongchen, associate dean of the School of Environment of Renmin University of China, put forward the proposal of "building a future-oriented Chinese sewage treatment Concept Factory "and sponsored the establishment of the China Urban Wastewater Treatment Concept Factory Committee of Experts. We hope that this will bring forth wisdom and consensus from all parties to inspire innovation and creativity and lead the upgrading and development of China's sewage treatment business. Sewage treatment technology is facing new changes Recalling the course of development over the past 100 years, sewage treatment has made tremendous contributions to improving the living environment and promoting the progress of human civilization. The activated sludge method invented in 1912, long-term and effective to curb the discharge of water pollutants, is still the "mainstay" of the sewage treatment system; the 1960s, the United States put forward the concept of "advanced 21st century water plant" with advanced thinking , Will raise the sewage treatment standard to the drinking water standard, has the far-reaching influence to the profession development. In the beginning of this century, Singapore developed the "NEWater" process. Through the traditional biotreatment and double-membrane method, the deep reuse of sewage to potable water was realized, which led the country's water industry to leapfrog development and made it become a world-class waterworks The concept of "new concept", the connotation of sewage treatment plants have also been further expanded. It is noteworthy that in recent years, there have been three obvious trends in the international sewage treatment industry that the pollutant reduction function has been further strengthened, low-carbon treatment and energy development, and resource recovery in the sewage treatment process. In the new function of sewage treatment plant needs, the relevant sewage treatment technology will also face new changes. Specific to China, Qu Jiuhui introduced as of 2013, China has completed and put into operation more than 3,500 sewage treatment plants above the county level, the total processing capacity of 140 million cubic meters, with the United States has basically the same, to curb water pollution The intensifying situation has played a key role. However, each industry is difficult to cross the history of the sewage treatment industry under the tremendous achievements made the same hidden short-sighted, extensive and even inferior. The curtain of China's new urbanization has started, and over 100 million rural people will enter urban life. The Central Urbanization Work Conference has taken energy efficiency and environmental quality as the urbanization connotation in the new era. All these indicate that China's urban sewage treatment business will usher in a brand-new period with sustainable development as its core. For a long period of time, China will remain the largest sewage treatment market in the world. Sewage treatment is on the eve of major changes. Municipal sewage treatment plants will be reduced from pure pollutants to resources. Energy plants, relevant policies, standards, technologies and practices are undergoing extensive and profound changes. And these are the new directions that China must pay attention to in the future development of sewage treatment. Future-oriented sewage treatment plant At the important choice of the development route, in order to jolt the industry's wisdom resources, gather consensus and clarify the direction, China's sewage treatment industry urgently needs to learn advanced foreign experiences and draw on mature examples to follow the example of "21st Century Waterworks" and "NEWater Waterworks" , To build a (batch) future-oriented sewage treatment plant, which can be called the "China Sewage Treatment Concept Plant." China Urban Sewage Treatment Concept Plant Expert Committee's idea is: with about 5 years time to build a (batch) for 2030 2040, with a certain size of urban sewage treatment plants. It should put into practice the international advanced concept of low-carbon green, focus on the application and display of global advanced technologies that have been and are about to be engineered so as to fully meet the strategic requirements for sustainable urban development in China and look forward to becoming the latest benchmark for the international water sector . At the same time, the Concept Factory will also become an important project for study and observation of international water treatment engineering and technology, marking the beginning of the sewage treatment business in our country. Qu Jiuhui believes that as a concept plant contains at least the following four directions: the water quality to meet the water environment changes and the sustainable use of water resources needs; substantially increase the energy self-sufficiency rate of sewage treatment plants, in the presence of appropriate foreign organic waste In the case of co-processing, it achieves zero energy consumption; it pursues a reasonable material cycle and reduces its dependence on and consumption of external chemicals; and the external sense and comfort of sewage treatment plants, the harmony of buildings, the environment and the community are friendly. In order to realize the above pursuit, Qu Jiu-hui emphasized that firstly, it should completely jump out of the existing technical frame of sewage treatment technology and systematically and carefully study the application progress of the international new technology, new technology, new material and new equipment, and predict the future years Possible breakthroughs to make a systematic re-mapping of urban sewage treatment. As an important infrastructure for modern cities, sewage treatment plants should not just be considered by technical experts and engineers. Government officials, publics, engineers, architects and planners should be organized to discuss, visit and simulate to explore and build a paradigm for overall consensus on future urban sewage treatment plants. Promote environmental protection industry upgrading and transformation China Sewage Treatment Concept Factory is not the focus of the general sense of the project, demonstration projects, more should be seen as China's sewage treatment business under the current opportunities and challenges for the future to a systematic exploration. The concept plant will help to break the shackles of existing systems and mechanisms and focus on the functions and positioning of sewage treatment plants on a longer time scale from the perspective of China's national conditions, social development, technological progress, material and energy recycling. Qu Jiuhui believes that this breakthrough in the exploration of the bondage itself is a tremendous improvement. At the same time, it will also be a forward-looking and strategic attempt. Urban sewage treatment plant is no longer the only thing in the sewage treatment industry or the environmental protection industry. It has become more and more closely linked with people's production and living. The association is refreshing people's traditional understanding. The concept plant is born from this: urban sewage The basic function of the treatment plant from the realization of the reduction of pollutants will be transformed into the city's energy plant, water plant, fertilizer Semi-automatic Bottle Blowing Machine
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