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9021results about How to "Improve buffering effect" patented technology

Environment-friendly light heat-insulating material and manufacturing method thereof

The invention relates to an environment-friendly light heat-insulating material for fireproof doors and buildings, and a manufacturing method thereof. The manufacturing method is characterized by comprising the following steps of: pretreating plant hollow core bodies and/or flexible porous fillers by using a water glass adhesive; mixing with inorganic fire-resistant hollow particles; and performing mould pressing, shaping and drying to obtain the environment-friendly light heat-insulating material. The hollow core bodies and the flexible porous fillers are arranged multidirectionally; one layer of water glass adhesive is arranged at least on the surfaces of the hollow core bodies and the flexible porous fillers; and discontinuous holes are reserved between the hollow core bodies and/or the flexible porous fillers and the inorganic fire-resistant hollow particles. Preferably, the hollow core bodies are rice husks and straw sections; and the flexible porous fillers are foam and fibers. Renewable plant resources and recovered foam and fiber waste are adopted, so the environment-friendly light heat-insulating material is energy-saving and environment-friendly; and a large number of sealed holes are formed among the material particles through the penetration and coating of the modified water glass adhesive, and a heat-insulating hydrophobic corrosion-resistant multi-effect protective layer is provided, so the environment-friendly light heat-insulating material has good fireproof, heat-insulating and heat-preserving effects, high weather resistance, combined rigidity and toughness, low density and low cost.

Process for preparing liquid seaweed fertilizer through enzymolysis and fermentation

ActiveCN104262008AEnlarged vascular cellsPromotes plant cell divisionOrganic fertilisersFertilizer mixturesMacromolecular SubstancesSeaweed food
The invention discloses a process for preparing a liquid seaweed fertilizer through enzymolysis and fermentation. The process disclosed by the invention can be used for generating a large quantity of soil beneficial bacteria and multiple special-effect metabolites by degrading macromolecular substances which are contained in seaweeds and difficult to utilize into micromolecular polysaccharide, monosaccharide and a nitrogen-containing compound in compound enzymolysis and multi-strain co-fermentation modes, thereby enhancing the biological activity of a seaweed fertilizer, preventing the destruction of strong base, high temperature and high pressure in the production process of the seaweed fertilizer and completely retaining abundant nutrient substances contained in the seaweeds. According to the process, the content of a product, namely alginic acid, is 40-60 g/L and is increased by more than 30% compared with that prepared from an enzymolysis method, an alkaline hydrolysis method, an acid hydrolysis method and a simple microbe fermentation method, and the effective viable count is more than or equal to 2 billion/mL; the product integrates natural nutrient components, antibiotic substances and plant hormones, combines the efficacy of three fertilizers, namely an organic fertilizer, a microbe fertilizer and a trace element fertilizer and has a wide application prospect.

Liquid silicon fertilizer and technique for producing the same

The invention relates to a liquid silicon fertilizer and a production technique thereof, and belongs to the technical field of fertilizer. The liquid silicon fertilizer is characterized in that raw materials comprise soluble silicon, urea, trace elements, chelate and fulvic acid, which are prepared into the balanced compound fertilizer. The production technique comprises the following steps: 1, dissolving solid potassium metasilicate; 2, dissolving sulfate of the trace elements in water, and adding EDTA into the mixture to obtain the chelate of the EDTA trace elements; and adding boric acid, ammonium molybdate, the urea and the fulvic acid into the mixture after cooling and filtration; and 3, blending the chelate into the mixture to obtain the liquid silicon fertilizer. The production technique is characterized in that (1) the production technique uses water glass and the fulvic acid chelate, has better buffer action for alkali, and can effectively improve stability of SiO3; and (2) the trace elements are chelated twice by using the EDTA and the fulvic acid to form chelated metal ions, so as to prevent silicic acid radicals and the metal ions reacting to form silicate difficult to be dissolved in water, and influence utilization rate of silicon element. The production technique uses the liquid potassium metasilicate and large amount of elements, trace elements and organic substances to establish a balanced compound system, and can effectively improve utilization rate of the silicon element and various nutrient elements for the crops.
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