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32 results about "Bactericidin" patented technology

Process method for dimethyl ether production wastewater recycled for cooling water

The invention relates to a processing method for recovering the organic waste water exhausted from the dimethyl enther procedure to be used for industry circulation cooling water, and adopts the integrated system technique of anoxic activated sludge pool-anoxic biological contact oxidation pond-oxygen biological contact oxidation pond-coagulation sedimentation tank-oxygenrich biological activated carbon filtrating pool-UV bactericidin disposal technique. The biological contact oxidation pond adopts a biological filling and micropore aerating system. The anoxic biological contact oxidation degrades the organic matter under the condition of DO is 0.5 to 1.0 mg/L, and the oxygen biological contact oxidation effectively eliminates CODcr under the condition of the DO is 2 to 4mg/L. The outputted water from the oxygen biological contact oxidation pond is used for eliminating the suspended matter by coagulating and precipitation, and further is deeply processed through oxygenrich biological activated carbon filtrating pool to eliminate suspended matter and organic matter, and is finally sterilized through uv to be repeatedly used as circulation cooling water makeup water. Compared with the normal anaerobic technique, the anoxic biological processing technique eliminates the producing of the peculiar smell of H2S, and compared with the aerobic technique, the aeration quantity is reduced, the powder consumption is saved, and the anoxic biological processing technique is a new technique of biological processing. The method has the advantages of simple operation, low running expenses, small device investment and zero exhausting of waste water, and without secondary pollution.
Owner:NANJING INST OF GEOGRAPHY & LIMNOLOGY

Method for manufacturing special mosquito net for infants

InactiveCN107080401AHas mosquito repellent and antibacterial functionImprove adsorption capacityChildren furnitureInsect netsDracaena arboreaBactericidin
The invention provides a method for manufacturing a special mosquito net for infants. The method comprises the following steps: weaving linen into mosquito net cloth; throwing the mosquito net cloth into a dyeing machine to be dyed; placing the mosquito net cloth into a centrifugal machine, then injecting a vegetable liquid, performing heating to 100-110 DEG C, and performing stirring for 2-4 h, wherein the vegetable liquid comprises the following components: ocimum gratissimum, pelargonium graveolens, folium artemisiae argyi, dracaena arborea, geranium wilfordii and a morning glory extract; and soaking the mosquito net cloth for 5-10 min, then adding a stabilizer while performing stirring, re-soaking the mosquito cloth for 2 min, drawing out the vegetable liquid in the centrifugal machine, performing drying, and then performing setting in a tenter setting machine. As the vegetable liquid is added, the manufactured mosquito net has mosquito-repellent and antibacterial functions; dracaena arborea can effectively adsorb such indoor harmful gases as formaldehyde and benzene; and bactericidin extracted from morning glory can kill some bacteria in air to inhibit growth of tuberculosis pathogens, dysentery pathogens and typhoid germs, so that indoor air can be clean and sanitary.
Owner:南宁东印时代广告有限公司

High-temperature sterilization method for mung bean seeds

InactiveCN111727688AEvenly heatedAffect germination rateBiocideFungicidesBactericidinPathogenic bacteria
The invention discloses a high-temperature sterilization method for mung bean seeds, and relates to the technical field of treatment of crop seeds. The high-temperature sterilization method comprisesthe following steps: drying the mung bean seeds at the temperature of 40 DEG C until the water content reaches 3-5%, placing the seeds into an electric heating constant-temperature air blast drying oven, carrying out high-temperature sterilization, treating the seeds at the temperature of 70 DEG C for 0.1-0.2 hour, then heating the seeds to the temperature of 80 DEG C to be treated for 1-1.5 hours, cooling the seeds to room temperature, filling a sealed bag with the seeds, carrying out vacuumizing, and storing the seeds at the temperature of 4 DEG C. According to the method disclosed by the invention, a film layer is formed on the surface of each of the mung bean seeds, so that the mung bean seeds are uniformly heated in the sterilization process; and moreover, plant bacteriocins are addedinto the film layers, pathogenic bacteria can be thoroughly killed in cooperation with high temperature, and the pathogenic bacteria carried on the seeds can be fully killed. Meanwhile, by the film layers, the evaporation rate of seed moisture can be reduced, and the germination rate of the seeds is guaranteed.
Owner:榆林市农业科学研究院
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