8 results about "Blue Vitriol" patented technology

The invention relates to shewanella xiamenensis and application thereof. The Xiamenensis shewanella is obtained through ion mutagenesis, the strain name is Xiamenensis shewanella CQ-T200, the preservation unit is China Center for Type Culture Collection, the preservation address is Wuhan University, Wuhan, China, the preservation number is CCTCC NO: M 20252555, and the preservation date is November 17, 2025. The strain can be used for producing the blue iron ore by using Fe (III), has the advantages of simplicity in operation, low cost, high yield of the blue iron ore, short production time and the like, and provides a simple and economical fermentation process for producing the blue iron ore by microbial fermentation.

The present application belongs to the technical field of organic waste anaerobic fermentation, and discloses a method for producing medium-chain fatty acids by using blue vitriol to promote residual sludge anaerobic fermentation, which uses residual activated sludge from a municipal sewage treatment plant as a fermentation substrate, inoculates anaerobic sludge, adds blue vitriol and a methanogenesis inhibitor, adjusts pH value, and carries out anaerobic fermentation to produce medium-chain fatty acids under the participation of an electron donor; due to the addition of blue vitriol, the electron transfer capacity of microorganisms in the carbon chain extension process can be strengthened, thereby improving the yield of medium-chain fatty acids in the fermentation product; the addition amount of blue vitriol in the system is 2-20 g / L. By introducing blue vitriol into the sludge medium-chain fatty acid production system and strictly controlling the addition amount of blue vitriol in the system, the present application uses blue vitriol as an electron mediator to strengthen the electron transfer efficiency of microbial fermentation in the sludge medium-chain fatty acid production process, thereby improving the yield of medium-chain fatty acids, and further realizing efficient utilization of sludge resources.

The application relates to the technical field of solid waste recycling, and discloses a method for recycling high-purity lithium carbonate from waste lithium ion batteries, which comprises the following steps: pretreatment: disassembling positive pole pieces from the waste lithium ion batteries; stripping cathode materials from the positive pole pieces; performing preliminary calcination treatment on the cathode materials to obtain pretreated cathode materials; roasting treatment: mixing blue vitriol and the pretreated cathode materials, and performing roasting treatment to obtain roasting products; water immersion treatment: performing water immersion treatment on the roasting products in distilled water to obtain leaching liquor and leaching residues; purification treatment: adding functionalized magnetic microspheres to the leaching liquor to perform adsorption treatment, and obtaining purified liquor; adding sodium carbonate to the purified liquor to perform reaction, and obtaining high-purity lithium carbonate; the method does not need to consume a large amount of acid and alkali, realizes efficient and selective recovery of lithium carbonate, and improves the purity of the lithium carbonate product.

The invention discloses a method for strengthening synchronous recycling of sludge carbon and phosphorus based on ferric chloride pretreatment, which comprises the following steps: regulating the pH value of sludge through ferric chloride to reconstruct the occurrence form of phosphorus and organic matters in the sludge, and directionally driving release of metal combined phosphorus such as calcium, magnesium and aluminum and extracellular polymer combined phosphorus in the sludge and conversion to blue iron ore; meanwhile, the efficient anaerobic acid production process of the sludge is induced, and finally clean extraction and recovery of the blue iron ore are achieved by means of cyclic utilization of a pretreatment acid solution, so that economical and efficient separation of the blue iron ore in the digested sludge is achieved.

The invention discloses a device and method for recycling organic substances and phosphorus in sewage, and belongs to the technical field of wastewater treatment.The method comprises the following steps that 1, sewage to be treated is pumped into a carbon and phosphorus capturing pool, sludge is inoculated into the sewage to be treated, and preliminary enrichment of the organic substances and the phosphorus is achieved; (2) pumping the enriched sludge into a pre-oxidation pond, adding ferrate, and stirring; (3) pumping outlet water into an anaerobic fermentation tank, adding ethanol into a system for anaerobic fermentation, and converting generated short-chain fatty acid into medium-chain fatty acid; and (4) pumping the mixed solution subjected to anaerobic fermentation into a separation and recovery tank, carrying out stirring reaction, standing and precipitating, and realizing phosphorus recovery in the form of blue iron ore. And (5) refluxing sludge settled in the anaerobic fermentation tank to the carbon and phosphorus capturing tank through a sludge refluxing system, wherein the system continuously and stably operates for more than or equal to 5 cycles. According to the method, conversion of different valence states of iron and corresponding compounds of the iron are used as driving factors, a combination of a carbon and phosphorus capture tank, a pre-oxidation tank, an anaerobic fermentation tank, a separation and recovery tank and a sludge return system is adopted, and microorganisms are regulated and controlled by biochemical and physicochemical means to efficiently capture organic matters, and iron compounds synergistically adsorb the organic matters and phosphorus; and finally, organic matters and phosphorus in the sewage are recovered in the form of medium-chain fatty acid and blue iron ore with high added values.

The application discloses a blue vitriol oral colon release preparation, a preparation method and application thereof, and belongs to the technical field of medicines, and comprises a blue vitriol granule core, an isolation layer and a colon positioning coating layer; the isolation layer is completely coated on the surface of the blue vitriol granule core; the colon positioning coating layer is coated on the surface of the isolation layer; and the administration mode of the preparation is: releasing through oral administration directly to the colon. The application adopts the above-mentioned blue vitriol oral colon release preparation, the preparation method and application thereof, and solves key problems such as coating defects, drug degradation and insufficient release precision in the colon target delivery of the blue vitriol through a trinity technical scheme of a complete isolation layer, critical colon coating weight increase and a fluidized bed bottom spraying process, so that the active ingredients of the blue vitriol can act on the lesion site in the colon environment in an integrated chemical form and with sufficient dosage, and high-efficiency, safe and stable ulcerative colitis treatment effects are achieved.

The invention relates to the technical field of medicines, and discloses a DT (DES) (QD) composite film agent capable of treating oral ulcer, which is prepared from a rhizoma bletillae polysaccharide solution, glycerol, poloxamer 188 and a deep-eutectic solvent indigo naturalis extract. The preparation method is characterized in that a natural eutectic solvent composed of eugenol and thymol is adopted to replace a traditional organic solvent to extract active ingredients of indigo naturalis, and rhizoma bletillae polysaccharide with excellent film-forming property, biological adhesiveness and pharmacological activity is selected as a matrix. The preparation method comprises the following steps: by taking the DES indigo naturalis extract as an oil phase, emulsifying and dispersing the DES indigo naturalis extract in a bletilla striata polysaccharide water phase to form an oil-in-water emulsion, and then carrying out curtain coating, film laying and drying. According to the invention, the synergistic interaction of the extraction solvent, the film-forming substrate and the main drug is realized through the design of combining the drugs with the auxiliary drugs. The film agent does not have the risk of organic solvent residue, has strong adhesion to wound surfaces, can realize drug sustained release, and effectively solves the problems of poor safety, single function and short action time of the existing preparation.

The invention relates to a method for synchronously separating and recovering phosphate, metal and a complexing agent from chemical copper plating wastewater by using a self-driven electrochemical system, and belongs to the technical field of crystallization. According to the method, Cu (II) / Fe (s) chemical potential difference driving is utilized, copper in the chemical copper plating wastewater is synchronously separated and recycled under the condition of zero external source energy supply, and meanwhile recycling of organic ligands is achieved. Aiming at the interference of Cu-EDTA in actual wastewater, the transmembrane migration of Cu (II)-EDTA and EDTA ligands is effectively inhibited through a pH regulation anion form coupling monovalent anion exchange membrane strategy, and the selective separation and recovery of phosphate radicals are realized. The system can adapt to a real chemical plating wastewater pH range, can stably operate in a real wastewater experiment, and successfully recovers high-purity copper elementary substance and high-crystallinity blue iron ore. The invention shows that the electrochemical-crystallization coupling technology provides a feasible path for multi-resource cyclic utilization of wastewater.