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"Zero discharge" papermaking wastewater treatment process

Papermaking and paper products industry is one of the characteristics of China's industry, plays a decisive role in economic development. However, the papermaking wastewater discharge also restricts the city's ecological civilization city construction. So an efficient papermaking wastewater treatment process - "zero emissions" papermaking wastewater treatment process is being used.
    Paper waste water treatment process zero emissions, in terms of its content, on the one hand is to control the production process has not been generated waste emissions, it will be reduced to zero; the other is to have to take full use of waste waste, the final elimination can not Renewable resources and energy.
    In terms of its process, refers to a process of industrial production of waste into another industry raw materials or fuel, so that through the recycling industry so that the formation of industrial industries related to the ecosystem. From a technical point of view, in the process of industrial production, energy, energy, resource transformation are to follow a certain natural laws, resources into a variety of energy, a variety of energy conversion, raw materials into products, can not achieve 100% Conversion.
    According to the law of conservation of energy and material immortality law, the loss of the part of the final water, gas, sound, slag, heat and other forms into the environment. China's environmental protection work started late, with the existing technical and economic conditions, and truly do not have to discharge the waste to zero, can be described as difficult.
    Some companies through the full use of waste to the full use of the so-called "zero emissions", but also changed the way of pollutant emissions, channels and nodes, some pollutants eventually into the environment. In this sense, the real "zero emissions" is only a theoretical, ideal state.

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