Substrate for raising seedlings and its preparation method
A substrate, lignin technology, applied in the fields of botanical equipment and methods, applications, agriculture, etc., can solve the problems of not conforming to the concept of green environmental protection and harmonious development, high cost of raw material sources, low production efficiency, etc., and achieve good water retention, heat preservation and ventilation. , cost-effective cost, the effect of increasing the elasticity of seedling age
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Embodiment 1
[0066] The substrate for raising seedlings is made of the following raw materials by weight:
[0067]
[0068] (1) The agricultural and forestry wastes (crop straws) are cut and dedusted through pretreatment, and then enter the separation section, and the hemicellulose, cellulose and lignin stock solutions are separated by physical and chemical methods, and straw light ash and a small amount of organic liquid are produced, The separated hemicellulose is a liquid phase, and the lignin stock solution is separated, concentrated, purified and spray-dried to obtain solid lignin, and a membrane-treated supernatant is produced. A small amount of organic liquid and the membrane-treated supernatant are mixed and called For organic waste.
[0069] (2) Biomass sludge preparation:
[0070] ①The hemicellulose liquid enters the wastewater treatment system, and the suspended solids are removed in the pretreatment stage to produce primary sludge, the biochemical treatment stage removes a ...
Embodiment 2
[0082] The substrate for raising seedlings is made of the following raw materials by weight:
[0083]
[0084] (1) The agricultural and forestry wastes (crop straws) are cut and dedusted through pretreatment, and then enter the separation section, and the hemicellulose, cellulose and lignin stock solutions are separated by physical and chemical methods, and straw light ash and a small amount of organic liquid are produced, The separated hemicellulose is a liquid phase, and the lignin stock solution is separated, concentrated, purified and spray-dried to obtain solid lignin, and a membrane-treated supernatant is produced. A small amount of organic liquid and the membrane-treated supernatant are mixed and called For organic waste.
[0085] (2) Biomass sludge preparation:
[0086] ①The hemicellulose liquid enters the wastewater treatment system, and the suspended solids are removed in the pretreatment stage to produce primary sludge, the biochemical treatment stage removes a ...
Embodiment 3
[0098] The substrate for raising seedlings is made of the following raw materials by weight:
[0099]
[0100](1) The agricultural and forestry wastes (crop straws) are cut and dedusted through pretreatment, and then enter the separation section, and the hemicellulose, cellulose and lignin stock solutions are separated by physical and chemical methods, and straw light ash and a small amount of organic liquid are produced, The separated hemicellulose is a liquid phase, and the lignin stock solution is separated, concentrated, purified and spray-dried to obtain solid lignin, and a membrane-treated supernatant is produced. A small amount of organic liquid and the membrane-treated supernatant are mixed and called For organic waste.
[0101] (2) Biomass sludge preparation:
[0102] ①The hemicellulose liquid enters the wastewater treatment system, and the suspended solids are removed in the pretreatment stage to produce primary sludge, the biochemical treatment stage removes a l...
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