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69results about How to "Reduce phytotoxicity" patented technology

Method for preparing organic fertilizer by combining red mud anaerobic fermentation

The invention provides a method for preparing an organic fertilizer by combining red mud anaerobic fermentation, which comprises the following steps: 1, pulverizing red mud to prepare small solid particles; 2, uniformly mixing the small red mud solid particles serving as an additive with livestock and poultry excrement, adding an obtained mixture into an anaerobic fermentation reactor, inoculatinganaerobic fermentation microorganisms, and performing anaerobic fermentation culture; 3, after gas production is finished, taking out the red mud and livestock and poultry manure mixture from the anaerobic fermentation reactor, and carrying out dehydration treatment to reduce the water content of the red mud and livestock and poultry manure mixture; and 4, naturally air-drying the dehydrated redmud and livestock and poultry manure mixture, and carrying out crushing treatment to obtain the red mud and livestock and poultry manure mixed organic fertilizer. After the technical scheme is adopted, the organic fertilizer has the beneficial effects that the livestock and poultry manure is used as a substrate, and the red mud anaerobic fermentation is combined to prepare the mixed organic fertilizer, so that the functionality of the livestock and poultry manure as the organic fertilizer is improved, and the red mud is effectively utilized.
Owner:QUANZHOU INST FOR ENVIRONMENTAL PROTECTION IND NANJING UNIV

Method for rapidly and stably recycling biogas slurry

The invention discloses a method for rapidly and stably recycling biogas slurry, and belongs to the technical field of biological energy recycling. According to the method, the oxidation effect of a catalyst and an oxidizing agent is utilized to improve the content of soluble components in the biogas slurry, organic macromolecules are converted into hydrophilic micromolecules which are easily utilized by plants, the resource utilization rate is improved, the plant toxicity of the biogas slurry is reduced, the stabilizing time is shortened, and greenhouse gas emission and non-point source pollution caused by returning the biogas slurry to the field in the stabilizing process are reduced. The plant toxicity of the biogas slurry is rapidly reduced, the content of soluble components and small molecule components in the biogas slurry is increased, and the purpose of rapidly and stably recycling the biogas slurry is achieved. The DOC of the treated biogas slurry is increased by 10%-20%, the seed germination index of the biogas slurry is increased by 140%-190%, the soluble organic nitrogen is increased by 15%-50%, and the bacteriostasis rate reaches 99.99% or above. The emission of ammonia nitrogen is reduced by 5%-10%, the nitrate nitrogen is increased by 0.1%-7%, and great harm to the surrounding ecological environment is reduced.
Owner:CHINA AGRI UNIV

Propionate hot air comprehensive treating technology and application of propionate hot air

The invention discloses a propionate hot air comprehensive treating technology and application of propionate hot air in disease and insect pest treatment after fruits are picked and belongs to the technical field of pest comprehensive control. The propionate hot air comprehensive treating technology comprises the following steps: carrying out soaking treatment on the fruits by a propionate solution with a certain concentration mainly under the normal temperature condition, then forcedly heating the soaked fruits to an appointed temperature by adopting hot air, and comprehensively utilizing the synergisms of deinsectization by washing, sterilization by propionate, deinsectization and sterilization by the hot air and propionate heat, wherein as the effective deinsectization and sterilization condition is lower than a tolerance threshold value of the fruits, the quality of the fruits is not adversely effected. The propionate hot air comprehensive treating technology has good killing effect to important pathogenic bacteria such as pear block spot bacteria which enable important fruits to be in disease after being picked and important fruit pests such as hawthorn spider mites, is low in the phytotoxicity, is environmentally friendly without residual toxic and harmful substances and can be used for replacing the traditional chemical reagent treatment and is used for treating fruit diseases and insect pests after the fruits are picked.
Owner:CHINESE ACAD OF INSPECTION & QUARANTINE
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