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Euglena Sanguinea Purification Device
产品介绍：The OBAOFROG Euglena Sanguinea Purification Device inhibits the reproduction of Euglena sanguinea by targeting its weaknesses: strong phototaxis, high adhesion tendency, and being preyed upon by zooplankton. It also features water purification, floating debris removal, dissolved oxygen aeration, and water circulation promotion.
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Euglena sanguinea belongs to the genusEuglena under the phylum Euglenophyta. It is a unicellular, pleomorphic alga without a cell wall, possessing only a soft periplast. The cells are spindle-shaped, with a blunt front end and a gradually tapered rear end, equipped with a single flagellum for locomotion and a distinct eyespot. It exhibits extremely strong phototaxis and is a typical surface planktonic alga, with over 90% of the population concentrated in the 0–50 cm surface layer of water bodies.
The cells contain hematochrome (carotenoids), and when the population density becomes excessively high, the water turns rusty red or blood red, making it prone to forming conspicuous algal blooms. This alga is facultatively heterotrophic: it performs photosynthetic autotrophy in light conditions and absorbs organic matter through osmotrophic saprophytism in the absence of light. It reproduces primarily via asexual longitudinal binary fission and proliferates extremely rapidly under favorable conditions.
It thrives at an optimal temperature of 23–27°C, tolerating a range of 20–35°C, and prefers neutral to weakly alkaline water (pH 7.0–8.5) that is stagnant, slow-flowing, and eutrophic. Blooms commonly occur in summer with high temperatures and strong light, and the alga displays a diurnal migration pattern of floating upward during the day and sinking slightly at night.
The explosive proliferation of Euglena sanguinea leads to red "rusty water" blooms. Large-scale coverage of the water surface severely damages the landscape aesthetics, particularly impairing the visual appeal and functionality of landscape lakes, drinking water sources, and aquaculture ponds. Once blooms form, the surface algal layer blocks sunlight, preventing photosynthesis in submerged aquatic plants, leading to plant decay and disrupting the bottom ecological balance of water bodies.
When large numbers of algal cells die, they are rapidly decomposed by microorganisms, which drastically consumes dissolved oxygen in the water, causing hypoxia that suffocates fish, shrimp, and benthic organisms and deteriorates water quality. Meanwhile, the decomposition process releases odorous substances, making the water fishy and malodorous and further worsening water quality. Additionally, high-density algal cells can clog filters of water treatment equipment, disrupting the normal operation of water supply and circulation systems and increasing water treatment and operation and maintenance costs.
The OBAO-FROG Euglena sanguinea Purification Device does not kill the algae outright; instead, it inhibits their reproduction, preventing them from growing and forming blooms. The device targets three fatal weaknesses of Euglena sanguinea to achieve algal cell reduction:Firstly, Euglena sanguinea is extremely light-dependent and highly phototactic. As a surface alga, it relies on strong surface light for rapid reproduction, and a sharp drop in light halts its photosynthesis. Secondly, the alga easily adheres to objects near the water surface with rough or adsorptive surfaces; in the filler zone of the device, its flagella cannot support upward floating or aggregation, leading to gradual population decline. Thirdly, Euglena sanguinea serves as bait for aquatic organisms, and small zooplankton such as Cladocera (water fleas) and Copepoda prey on the algae, preventing their rapid growth and population expansion.
Notably, the OBAO-FROG device not only controlsEuglena sanguinea but also purifies water quality, removes floating debris and other algae from the water surface, continuously injects dissolved oxygen into the water, and promotes water circulation.
Facts have proven that aeration alone cannot resolve Euglena sanguinea blooms.
OBAO-FROG血红裸藻净化装置不是杀死血红裸藻，而是抑制它的繁殖，让它长不起来、无法形成水华。
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20年 · 欧保环境水生态治理
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