Abstract
This article proposes a systematic engineering for sustainable economic and ecologic development. This system is deemed to be applicable in any country of the world. The system aims to realize five important objectives: water source clearance, energy saving and emission reduction, renewable energy and organic fertilizer production, and ecological agriculture development, all in large scale and at low cost. The main conception of the new system to reach these goals is the replacement of the conventional sewage treatment approach with more efficient and more ecological process – the natural fermentation of the mixture of the urban sewage and agrarian wastes, such that water body clearance, including water de-eutrophication, green algae prevention and siltation dredging will all be accomplished at virtually a zero cost. Along with this process, the system can produce a vast amount of renewable energy and organic fertilizers, consequently ecological agriculture development in large scale can be realized. As a result, this system will greatly reduce the use of chemical fertilizers thus largely reduce the consumption of fossil energy and the related polluting emissions. This system is thus fully a circular economy model through full west-reuse processes, which ultimately will enhance our life quality with healthier food and living environment. The system is flexible and adaptable to be implemented in either small towns or megacities. The implementation and operation of this system will also benefits employment growth. Lastly, in terms of economic feasibility and profitability, millions to billions of dollars of annual revenue can be generated from the running of this system in a country.
Highlights
The W model refers to a systematic engineering presented in this paper for water source clearance, renewable energy and organic fertilizer production, and economical agriculture development
This system is the result of a multiple-year study independently undertaken by the author. This system aims to protect and enhance supplies of the three most indispensable resources for human beings: clean water, renewable energy and healthy food. These goals are to be realized through a revolutionary change of the conventional non-ecological urban sewages process technique into an environmental intimate approach at low cost
4.2 Abundant renewable energy source and production: It is no exaggeration to say that the approach to produce the renewable energy – methane – from this system is more advantageous than those popularly known approaches, for instance, wind energy, solar energy, and bio-fuels made from corns or sugar canes, etc
Summary
The W model refers to a systematic engineering presented in this paper for water source clearance, renewable energy and organic fertilizer production, and economical agriculture development (hereafter “the system”, “the program” or the “solution”). The conventional solution for this is to build sewage processing plants, including the use of chemicals to remove nitrogen and phosphorus nutrients and other COD (chemical oxygen demand) contents This approach inevitably leaves chemical residuals in the water bodies and causes another sort of pollution. What described above seems more than a little absurd: on one hand we try every means to destroy or eliminate nitrogen or phosphate nutrient from our own life wastes, but on the other hand we try to produce as much as possible these same nutrients through various chemical fertilizer plants This contradiction implies that our life style, production mode and the waste treatment approach after the industrial revolution need to be reexamined, at least, the said style and mode make the already complex world more complicated. We need to find a new solution to the above problems such that the complicated world could turn back to its simplicity, and the key point is to get the ruined natural and ecological cycle to be recovered
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