Newly developed closed ecological cycle for solving environmental problems and obtaining high-quality biofuels

Abstract

Stagnant "green" zones of freshwater lakes, resulting from the excessive reproduction of phytoplankton in sunlit, stagnant waters, present a grave environmental hazard by causing the demise of phytoplankton and fish, and releasing hydrogen sulfide, rendering the water unsuitable for agricultural purposes. In this regard, the development of a closed ecological cycle, including the concentration of phytoplankton from the "green water" of the lake, which allows using most of the phytoplankton
concentrate to obtain high-quality biofuel, and returning the rest to the lake for its intensive reproduction in the clean water of the lake, which contributes to its photosynthesis, t .e., absorbing carbon dioxide and enriching the environment with oxygen, and using it as food for the reproduction of fish in the lake, becomes an urgent task. Simultaneously with the concentration of phytoplankton from the "green water" of the lake, fresh water is purified from it, which returns to the lake without the smell of hydrogen sulfide. Furthermore, the production of biofuels is linked to a decrease in greenhouse gas emissions, leading to a beneficial impact on the environment. The article presents just such a new developed closed ecological cycle, which includes a method, developed by the author, of concentration of phytoplankton from the "green" water of the lake, which not only restores fresh water in the lake, but is also effectively used for removing carbon dioxide, hydrogen sulfide and enriching of the environment by oxygen. The developed method provides high-quality concentration of phytoplankton and complete purification of fresh water from it by electroflotation of the "green water" of the lake in a specially designed electroflotator, powered by a solar panel. Negatively charged microdispersed electrolytic hydrogen bubbles, intensively formed during the electroflotation of the “green water” of the lake, floating up to the free surface of the “green water” of the lake, meet on their way a phytoplankton cell with a positively charged outer layer of the phospholipid bilayer of its membrane, are fixed on it due to the arising electrostatic force of attraction forces of different charges and surface tension forces, acting in the same direction, forming strong complexes: negatively charged microdispersed electrolytic hydrogen bubbles + phytoplankton cells, which, due to a sharply increased lifting volume, quickly float to the free surface of the “green water”of the lake in the form of a foamy concentrate of phytoplankton. Negatively charged microdispersed electrolytic hydrogen bubbles floating up in the green water of the lake and the resulting negatively charged complexes saturate it, forming a negatively charged solution of "hydrogen" water or a catholyte, which contributes to the rapid reproduction of phytoplankton cells in the concentrate.