6results about How to "Realize value-added utilization" patented technology

The present application relates to the technical field of slag resource processing, more particularly, it relates to a slag recycling secondary treatment process. It comprises the following steps: titanium-containing blast furnace slag recycling and processing, titanium-containing blast furnace slag resource processing, composite adsorbent preparation, resource secondary treatment and composite phase change heat storage material preparation. In the present application, through the resource processing of the titanium-containing blast furnace slag, the titanium-silicon composite matrix material and the mixture powder can be separated from the titanium-containing blast furnace slag, and the titanium-silicon composite matrix material and the mixture powder can be used for preparing the composite adsorbent and used as the matrix material of the composite phase change heat storage material respectively, so as to achieve the purpose of efficient resource utilization of the titanium-containing blast furnace slag and play the characteristics of each component in the titanium-containing blast furnace slag.

The invention relates to the technical field of iso-butane normalizing, and discloses an iso-butane normalizing method and an iso-butane normalizing reaction system.The iso-butane normalizing method comprises the step that under the hydrogen condition and the iso-butane normalizing reaction condition, an iso-butane raw material makes contact with a catalyst, wherein the catalyst comprises an acidic active component SO4 < 2-> / ZrO2, an all-silicon molecular sieve with an MFI structure and aluminum oxide; the density of the strong acid center in the catalyst is 0.1-2 [mu] mol / m < 2 >. The method has the advantages of high isobutane conversion per pass, high n-butane selectivity and high n-butane yield.

The invention discloses a method for preparing nitrogen-doped biochar based on one-step co-pyrolysis of thermosetting resin and biomass. The method comprises the following steps: uniformly mixing urea resin solid powder, biomass and an activating agent; placing the mixed material in inert atmosphere protection, and carrying out temperature programming to 500-800 DEG C to carry out co-pyrolysis reaction; after the pyrolysis is completed, cooling, washing and drying to obtain the carbon material. According to the invention, one-step co-pyrolysis of urea-formaldehyde resin and biomass is utilized, effective doping of nitrogen element is realized at a relatively low temperature, in-situ molding of the material is realized by utilizing the thermosetting characteristic of urea-formaldehyde resin, and a molded carbon material with good mechanical strength can be obtained without an additional binder; the alkalescent potassium salt is selected as the activating agent and is environment-friendly, the prepared carbon material has high specific surface area and ultrahigh microporosity, the CO2 adsorption capacity is remarkably improved, the process is simple, and the energy consumption is low.

This invention relates to the field of aquatic product processing technology, specifically to an intelligent automatic fish-killing machine, which has a frame (8), a fish body detection platform (14) is set at a corresponding position on the frame (8), and an intelligent camera (11) is set above the fish body detection platform (14); an intelligent control module (9) is set on the top of the frame (8), and the intelligent control module (9) is connected to the intelligent camera (11), an adaptive fish scale removal device, an adaptive input device, a fish gutting device, a fish internal organ cleaning device, a fish belly cleaning device, and an adaptive output device through a cable. This invention provides an intelligent automatic fish-killing machine that solves the problems of existing fish-killing equipment, such as single function, inability to achieve full-process automated processing, poor fish body adaptability, insufficient safety redundancy, high power consumption, and lack of resource utilization processing function.

The invention discloses a method for preparing copper-loaded biochar from moso bamboo and copper-containing wastewater, and belongs to the technical field of environmental functional materials and solid waste recycling. The method comprises the following steps: crushing moso bamboo wastes, mixing the crushed moso bamboo wastes with filtered and pH-regulated copper-containing wastewater, and carrying out constant-temperature oscillation to load copper ions on moso bamboo particles; performing solid-liquid separation and drying to obtain a precursor; and carrying out temperature programming pyrolysis in an inert atmosphere to prepare the copper-loaded biochar. The method takes wastes as raw materials, realizes treatment of wastes with wastes, and is simple in process and low in cost. The copper in the prepared biochar exists in high-activity forms such as zero-valent copper and cuprous, has rich pore structures and high specific surface area, can efficiently adsorb heavy metals and organic pollutants, can be used for advanced oxidative degradation of the organic pollutants, and has good environmental and economic benefits.

The invention discloses a preparation method of manganese-loaded bean dreg baking charcoal and application of the manganese-loaded bean dreg baking charcoal in purification of malachite green in aquarium fish culture water. The preparation method comprises the following steps: by taking kitchen residue bean dregs as a raw material, washing, drying and crushing the kitchen residue bean dregs, soaking the bean dregs in a phosphoric acid solution for pretreatment, soaking the bean dregs in a potassium permanganate buffer solution for manganese loading, and finally performing a low-temperature baking technology, thereby obtaining the manganese-loaded bean dreg baking charcoal. According to the method, value-added utilization of kitchen residue bean dregs and low-temperature waste heat resources is achieved, the prepared manganese-loaded bean dreg baking charcoal has efficient adsorption capacity on malachite green in water, the maximum adsorption capacity of the manganese-loaded bean dreg baking charcoal reaches 373.4 mg / g, and the manganese-loaded bean dreg baking charcoal can be used as an efficient adsorbent for purifying malachite green in aquarium fish culture water.