6results about How to "Fully degraded" patented technology

The application relates to the field of water treatment and environmental protection technology. The application provides a water body micro-plastic degradation device and method, the device comprises a water body container, a micro-plastic unit arranged on a side wall surface of the water body container, a laser unit arranged on one side of the water body container, a monitoring unit, a general control unit and a valve control unit. The application effectively reduces the laser energy required for degrading the water body micro-plastics in the water body to be treated, effectively improves the reaction speed, realizes effective direct degradation, does not cause secondary pollution, and solves the problems of low efficiency in treating large-size particles and incomplete treatment of small-size particles by using a single energy source.

The invention discloses a sulfur-tolerant platinum-based catalyst and a preparation method thereof, and the preparation method of the sulfur-tolerant platinum-based catalyst comprises the following steps: weighing roasted ZrO2 as a carrier, weighing ammonium metatungstate, completely dissolving in deionized water, dropwise adding the solution until the carrier is completely immersed, and carrying out ultrasonic treatment; standing at room temperature, drying, and roasting in air at 500-600 DEG C to prepare a tungsten oxide loaded solid acid composite carrier WO3-ZrO2; and weighing chloroplatinic acid, completely dissolving the chloroplatinic acid in deionized water, dropwise adding the solution into the composite carrier, completely immersing the composite carrier, carrying out ultrasonic treatment, standing at room temperature, drying, and roasting in air at 250-350 DEG C to obtain the sulfur-tolerant platinum-based catalyst. The catalyst is simple in preparation method, has relatively strong tolerance to different sulfur species, and has good low-temperature catalytic performance and catalytic stability to low-carbon alkane.

The invention discloses a septic tank treatment device capable of degrading greasy dirt, and relates to the field of septic tank treatment.The septic tank treatment device comprises a tank body, a separation mechanism used for separating greasy dirt is arranged at the rear end of the right side of the tank body, a filtering mechanism used for filtering oil liquid is arranged at the front end of the right side of the tank body, and a dirt inlet mechanism is arranged in the tank body; one side of the pool body is connected with a degradation pool, the degradation pool is used for degrading oil stains, the separation mechanism comprises a first-stage separation tank, the first-stage separation tank is arranged on one side of the pool body, one side of the first-stage separation tank is communicated with a second-stage separation tank, and heating rods are fixedly connected to the outer sides of the tops of the first-stage separation tank and the second-stage separation tank; ultrasonic vibrators are connected to the middles of the tops of the first-stage separation tank and the second-stage separation tank, sewage pumps are arranged in the first-stage separation tank and the second-stage separation tank and communicate with drainage pipes, drainage valves are installed on the outer walls of the drainage pipes, and an oil drainage pipe is connected to the upper end of the outer wall of the first-stage separation tank.

The present application belongs to the technical field of anaerobic fermentation, and provides a method for producing bio-based chemicals based on microbial niche regulation of an anaerobic fermentation system. The method comprises the steps of straw crushing, carbon chain extension reaction, short acid production by hydrolysis acidification, biogas production by acid methanation, and discharging. The present application regulates the high-solid-content anaerobic fermentation system through microbial niche to achieve the purpose of directional synthesis of products, enhances the synergistic metabolism mechanism between acid-producing bacteria and methanogenic bacteria, improves the activity of different functional microbial communities, and for the first time realizes the co-production of medium-chain fatty acids, short-chain fatty acids and methane in a high-solid-content anaerobic fermentation system, further widens the energy utilization path of straw, and improves the added value of products.

The application discloses a cutinase-amylase synergistic desizing process for sizing polyester fabric with starch and WPET mixed sizing material, and aims at the shortage of the traditional high-temperature strong-alkali desizing process, so that the sized polyester fabric is placed in the same desizing working solution, the synergistic effect of the cutinase and the amylase is utilized under the near-neutral and medium-temperature conditions, and the synchronous and efficient removal of the starch and the WPET mixed sizing material is completed in one step. The method has a simple process flow, can effectively remove the mixed sizing material, can significantly reduce the damage to the polyester fiber, can improve the fabric hand feeling, and has the outstanding environmental protection advantages of low energy consumption and small wastewater pollution load.

The application discloses a method and device for treating oily sludge by using microorganisms, and comprises the following steps: mixing oily sludge, water, a microbial agent and nutrients to obtain a culture system; and adjusting the temperature and pH of the culture system to degrade oil hydrocarbons in the oily sludge. The application screens out a good strain for degrading residual oil hydrocarbons in oily sludge obtained after thermal chemical cleaning, and improves the culture conditions to realize efficient degradation.