As a worldwide problem, industrial wastewater treatment has drawn much attention. Recently, according to authoritative media reports, China's industrial wastewater treatment technology has made new breakthroughs, by the China Guangdong Nuclear Technology and Tsinghua University jointly developed electron beam treatment of industrial wastewater technology, or to break the technical bottlenecks.
Break the world's problems Industrial wastewater treatment technology has been a new breakthrough
With the continuous progress of China's industrialization, all walks of life flourish, industrial parks springing up. At the same time, the volume of industrial waste water is also increasing. According to "Global and China Industrial Wastewater Treatment Industry Development Report", in 2016, the global industrial wastewater treatment industry market size is about 350 billion yuan, China's industrial wastewater treatment market size second in the world.
It is reported that industrial wastewater has the characteristics of complex composition, high COD, high salt content, high toxic content and difficult to degrade. If it is discharged without treatment, it will pollute the surface water, groundwater, soil and arable land and affect the normal plants and microorganisms Growth, thus affecting human health.
Fortunately, industrial waste water treatment is gaining more and more attention in the context of favorable policies being continuously increased and the demand of industries continuously released. At the policy level, China has issued more than 10 relevant standards for industrial wastewater treatment industry, more than 30 national environmental standards for water pollutant discharge, and more than 20 local environmental standards for water pollutant emissions for regulating the development of indicator industries.
In addition, the NDRC and the Ministry of Environmental Protection have continuously increased their investment in the industrial wastewater sector. In 2016, the operating cost of China's industrial wastewater treatment facilities was 67.4 billion yuan, an increase of 57.5% over 2007. According to statistics, in 2016, the market size of China's industrial wastewater treatment industry is 84.284 billion yuan. It is estimated that the market capacity of China's industrial wastewater treatment industry will reach 380 billion yuan by 2017-2020.
As a worldwide problem, the technical research and development of industrial wastewater treatment naturally attracts much attention. China Environmental Online Finishing found that at present, industrial wastewater treatment technologies include physical, chemical and biological methods. In the specific process of governance according to the nature of the wastewater, characteristics, emissions requirements, the economic value of waste recovery, so as to select the appropriate treatment.
Among them, the advanced oxidation technology is a new technical method formed by reforming the chemical oxidation method in the traditional water treatment technology based on the similar subjects of modern light, electricity, sound, magnetism and materials, and includes the Fenton Oxidation, electrochemical oxidation, photocatalytic oxidation, wet oxidation, supercritical water oxidation, ozone oxidation and other methods.
At this stage, advanced oxidation technology has been widely used in pharmaceutical wastewater treatment, petrochemical wastewater treatment and oil and gas extraction wastewater treatment. Due to its strong oxidizing ability and non-selective oxidation process, it has a good application prospect in the treatment of refractory industrial wastewater. The industry believes that the combination of advanced oxidation technology and traditional biochemical treatment technology in order to achieve the optimal treatment effect and economic cost will be the future research direction of refractory industrial wastewater treatment.
Recently, in the industrial wastewater treatment technology, there are new breakthroughs in the country, which also means that the worldwide problem of industrial wastewater treatment is being overcome. According to the authoritative media, the technology of electron beam treatment of industrial wastewater jointly developed by CGNPC and Tsinghua University can effectively degrade pollutants that are difficult to be handled by conventional means, and can achieve high or medium-water wastewater reuse without generation and emission Toxic by-products, will not adversely affect the environment and life of the surrounding residents.
Compared with the traditional wastewater treatment methods, this technique has the advantages of dealing with refractory organic wastewater, antibiotic wastewater and pathogens-containing wastewater, and has the advantages of wide adaptability, fast reaction rate, strong degradation ability, high treatment efficiency and lower cost Etc.
The first by China, the world's leading electronic beam treatment of industrial wastewater technology has landed in Zhejiang, for the first time to achieve industrialization. It is reported that the technology has been the International Atomic Energy Agency (IAEA) attaches great importance to the future can also be used for medical waste water treatment, waste incineration two VA Ying processing and other fields.
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