Bioactive urban sewage treatment plant excess sludge matrix composite vegetation carpet and application
A technology of urban sewage and biological activity, applied in the direction of application, seed treatment method, botanical equipment and method, etc., can solve the problems of unfavorable vegetation growth and reproduction, and achieve the effect of remarkable moisture conservation effect, moisture conservation structure, and easy production
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[0022] Such as figure 1 The composite vegetation blanket of residual sludge matrix from a biologically active urban sewage treatment plant is composed of an upper structural layer 1, a vegetation layer 2, a nutrient layer 3, a protective layer 4 and a lower structural layer 5 from top to bottom.
[0023] Both the upper structural layer 1 and the lower structural layer 5 are grid members woven from hemp fibers produced after recycling waste sacks. The average length of the hemp fiber is 30mm-35mm, and the fineness is 0.4-0.7g / km. The surface meshes of the upper and lower structural layers are square staggered meshes, and the mesh size is 0.5mm×0.5mm.
[0024] The vegetation layer 2 is formed by mixing crushed corn stalks, wheat straw, a small amount of fertilizer and grass seeds. The mass percentages of the components are: corn stalks: 58.5-60.5%, wheat straws: 31.5-33.5%, fertilizers: 4.5- 6.5%, grass species: 1.0-3.0%.
[0025] The nutrient layer 3 is composed of modified ...
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