12 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 application relates to a method for synergistically extracting and recycling biodegradable plastics and blue vitriol in sewage treatment, which realizes high-efficiency recycling of biodegradable plastics and blue vitriol by constructing a reaction mode of double-electron acceptor supply under anaerobic-aerobic alternating reaction and utilizing microbial metabolism. First, biodegradable plastic synthetic bacteria and dissimilatory iron-reducing bacteria are selectively domesticated. In the anaerobic stage, the dissimilatory iron-reducing bacteria reduce Fe 3+ in sewage into Fe 2+ , which reacts with phosphate to form blue vitriol, and the biodegradable plastic synthetic bacteria convert carbon sources into intracellular biodegradable plastics; in the aerobic stage, the biodegradable plastic synthetic bacteria utilize part of the biodegradable plastics as electron donors to provide energy for the microorganisms, maintain the activity of the biodegradable plastic synthetic bacteria and further enrich the biodegradable plastics. By adjusting the stage-by-stage supply of double-electron acceptors, the application realizes simultaneous recycling of biodegradable plastics and blue vitriol in the same reactor, and improves the resource utilization efficiency.

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 present application relates to solid waste treatment technical field, specifically a kind of method for residual sludge reduction and resource based on potassium ferrate.The residual sludge taken from sewage plant is subjected to natural sedimentation, and potassium ferrate is added for pretreatment, to obtain pretreated sludge;Pretreated sludge is subjected to solid-liquid separation, and supernatant is introduced into microbial fuel cell for reaction;Residual solid enters anaerobic fermentation tank.At the same time, the anode and cathode of microbial fuel cell are connected to two electrode plates in anaerobic fermentation tank for power supply;Residual liquid after microbial fuel cell treatment is continuously added to anaerobic fermentation tank, and subjected to anaerobic fermentation, to obtain methane biogas and blue vitriol and other resources finally.The present application proposes a continuous flow treatment system combining bioelectrochemical system and anaerobic fermentation, which has broad application prospect in solid waste treatment technical field.

The invention provides a leather industry perfluorinated and polyfluoroalkyl substance production and pollution discharge coefficient accounting method, device and equipment and a storage medium. Relates to the technical field of ecological environment pollution monitoring and management. The method comprises the steps of leather enterprise basic information collection, sample collection, sample pretreatment and detection, production and pollution discharge coefficient accounting and flux accounting. Wherein the input coefficients comprise a blue alum skin carrying coefficient, a workshop water contribution coefficient, a dyeing solution contribution coefficient and a spraying solution contribution coefficient; the process coefficients comprise a retanning process change coefficient, a dyeing process change coefficient, a drying process change coefficient and a spraying process change coefficient; the output coefficients comprise a wastewater residue coefficient, a leather adhesion coefficient, a leftover material carrying coefficient, a workshop air dissipation coefficient, a workshop air particulate matter fixation coefficient and a loss coefficient. According to the method, the blank of footprint data of perfluorinated and polyfluoroalkyl substances in the leather industry can be filled up, and a scientific basis is provided for formulating targeted environmental management and emission reduction measures.

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 blue iron ore recovery process and a recovery device thereof.The process comprises the steps that S1, phosphorus-containing wastewater is pretreated; S2, the phosphorus-containing wastewater and a NaCl electrolyte are inflated for 20 minutes through nitrogen to remove dissolved oxygen; S3, the NaCl electrolyte is added into a cathode chamber, nitrogen is introduced, and meanwhile, a NaOH solution is added into the phosphorus-containing wastewater; and S5, after the electrolytic reaction, the phosphorus-containing wastewater is subjected to solid-liquid separation, acid pickling and drying to obtain a blue iron ore product, a top cover is arranged at the top of the shell, a cation exchange membrane is arranged in the shell, and the cation exchange membrane is arranged in the shell. The inner part of the shell is divided into an anode chamber and a cathode chamber, an iron electrode is arranged in the anode chamber, and a platinum electrode is arranged in the cathode chamber; according to the method, the neutral pH (7 + / -0.5) of the whole system is maintained while the blue iron ore recovery rate is increased.

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.