46 results about "White arsenic" patented technology

The invention discloses a method for removing arsenic in arsenic-containing smoke dust and recovering valuable metals, and belongs to the field of metallurgical environmental protection. The method for removing arsenic in arsenic-containing smoke dust and recovering the valuable metals has the effect of separating and purifying the arsenic-containing smoke dust to obtain refined white arsenic. According to the key points of the technical scheme, the method for removing arsenic in arsenic-containing smoke dust and recovering the valuable metals comprises the steps that raw materials are mixed;roasting and arsenic removing are carried out; filtration is carried out by a high temperature membrane, specifically, the arsenic-containing smoke gas obtained by roasting is filtered by the high-temperature membrane, the filtering temperature interval is controlled to be 250-600 DEG C to obtain low-arsenic smoke dust and filtered arsenic-containing smoke gas, and the low-arsenic smoke dust is returned to the raw material mixing step; initial cooling is carried out; and secondary cooling is carried out to obtain the refined white arsenic. According to the method for removing arsenic in arsenic-containing smoke dust and recovering the valuable metals, through filtration by the high-temperature membrane, the effects of prolonging the service life of a filtering membrane, reducing the operation cost of filtering equipment, reducing the total installed power and reducing the dust emission concentration after filtration can be achieved.

The invention provides a technology and device for preparing metal arsenic from crude white arsenic. The technology comprises the following technological steps: volatilizing crude arsenic trioxide ashcontaining As2O3 more than or equal to 90% at 600-700 DEG C to obtain arsenic trioxide steam, reducing the arsenic trioxide steam into arsenic steam by a reduction furnace accommodating machined carbon heated to 700-800 DEG C, and condensing the arsenic steam into metal arsenic containing As more than or equal to 99.5% by a crystallizer at 350-420 DEG C. The microwave metallurgy technology is applied to the technology of preparing metal arsenic from coarse white arsenic. The technology has the advantages of being low in production cost, high in thermal efficiency, environmentally friendly andenergy-saving, and product quality is good. The equipment has significant characteristics of high automation degree and high production efficiency.

The invention discloses a method for efficiently separating copper and arsenic in copper smelting smoke dust, and belongs to the technical field of wet metallurgy. The method comprises the steps of pulpifying the copper smelting smoke dust by adopting appropriate amount of water, a dilute sulphuric acid solution and a two-stage leaching solution, and leaching at the atmospheric pressure, wherein metallic oxide such as arsenic, copper, iron, zinc and cadmium in the smoke dust and salts are leached to enter a solution, and sulphides such as copper and arsenic hard to leach are remained in slags;and pressure leaching the leaching residues, so that the leaching rate of the arsenic and the copper is further improved, and the copper and the arsenic in the smoke dust are efficiently removed andrecycled. The invention provides the method for conveniently, quickly and efficiently removing the arsenic and the copper in the copper smelting smoke dust, so that the grade of slag containing lead and bismuth is improved; and the leaching solution is used for producing white arsenic or metal arsenic and recycling valuable metals such as the copper.

The invention discloses an emulsion type automotive polishing agent. The emulsion type automotive polishing agent is prepared from the following components in percentage by weight: 10-20% of bee wax, 6-8% of oxidized microcrystalline wax, 1-4% of emulsified silicone oil, 1-2% of euphorbia kansui, 2-4% of dialkyl sodium benzenesulfonate, 4-8% of sodium citrate, 3-6% of kelps, 1-2% of a freshener, 5-8% of linalool, 1-2% of cerium dioxide, 4-6% of antimony oxide, 1-2% of white arsenic, 2-6% of malonic acid, 3-8% of sodium azide, 4-6% of sodium dihydrogen pyrophosphate and the balance of deionized water. The emulsion type automotive polishing agent has the advantages that a certain protective film is formed on the surface of the product when the product has a good cleaning effect, a process of drying after the cleaning process, and then polishing the car body are omitted, a protective film is formed by directly repairing the car body in the cleaning process and then attaching, the labor cost is reduced and the resources are saved.

The invention discloses a crashing-resistant glass cup and a preparing method thereof. The preparing method includes the steps that white arsenic, silicon carbide, decolorizing agent, grinding agent, corrosion inhibitor, adhesive, silica, sodium carbonate and talcum powder are stirred and mixed to prepare a powder material; the powder material is heated to prepare into glass molten lava; the glass molten lava is mechanically formed; annealing is carried out, and the crashing-resistant glass cup is prepared; relative to 200 by weight parts of the talcum powder, the crashing-resistant glass cup is prepared from 10-25 by weight parts of the white arsenic, 10-30 by weight parts of the silicon carbide, 10-30 by weight parts of the decolorizing agent, 10-15 by weight parts of the grinding agent, 25-40 by weight parts of the corrosion inhibitor, 10-20 by weight parts of the adhesive, 10-30 by weight parts of the silicon dioxide and 10-25 by weight parts of the sodium carbonate. The crashing-resistant glass cup prepared with the method has the excellent mechanical performance.

The invention provides a process for purifying coarse arsenic. The process is characterized in that: putting high-arsenic dust in a sealed reaction kettle, adding 2.0 to 8.0mol/L ammonia water in a liquid-solid ratio of 1.0-5.0:1 into the reaction kettle to perform a reaction for 2 to 6 hours at the temperature of between 30 and 65 DEG C; heating the mixed solution so as to evaporate excessive ammonia, making the distilled ammonia absorbed by an absorption tower, and after ammonia-absorbing solution is supplied with ammonia, returning the ammonia-absorbing solution for coarse arsenic extraction; after the ammonia is evaporated, filtering the mixed solution, washing residue by hot water in an amount which is 1 to 2 times the amount of the residue, returning filter residue for raw material dearsenization treatment, and performing impurity removing treatment of filtrate; heating feed liquid for evaporation and crystallization, and removing the adsorption water by drying; and heating the dried crystals in a decomposition furnace to between 200 and 600 DEG C for decomposition, collecting solids of white arsenic, and making decomposed gas enter the ammonia absorption tower for absorption so as to recover the ammonia. In the process of the invention, a wet method and a dry method are combined to pure the white arsenic, so that the production cost is greatly lowered, less raw materials are consumed, the total yield of arsenic is high, the circulation is realized in the whole process, and waste gas, water and solid are emitted.

The present invention discloses a slowly releasing system of white arsenic and biodegradable polymer as local chemotherapeutic medicine. It is implanted into the operation area after excising malignant tumor for post-operational treatment to prolonging the survival period of the malignant tumor patient. Through a compounding process, antitumor white arsenic is fused into biodegradable polymer in the amount of 3-6 times white arsenic weight. The biodegradable polymer may be PLA, PGA, PLGA and/or PFAD-SA. By means of corrosion and hydrolysis of the polymer, the medicine is released slowly, continuously and stably to act. The present invention is used in the local slowly releasing chemotherapy of malignant tumor in other system.

The invention discloses a method for collecting arsenic from smelting flue gas by a dry process, and belongs to the field of comprehensive recycling of metallurgical waste gas. The method comprises the steps of: 1) quenching: arsenic-containing high-temperature smelting flue gas rapidly passes through a quencher for indirect cooling; 2) settling collection of arsenic: after the quenched flue gas enters a settler, white arsenic and smoke dust in the flue gas in the settler naturally settle to the bottom of the settler, and the flue gas subjected to settling is discharged from an upper flue gasoutlet, and arsenic is collected from an outlet at the bottom of the settler; and 3) electrostatic collection of arsenic: the flue gas discharged from the top of the settler enters an electrostatic demister, a small amount of residual white arsenic and smoke dust in the flue gas is collected, and the collected white arsenic and smoke dust fall into the settler. The method of the invention does notintroduce water into the flue gas, and does not reduce the dew point of the flue gas; the settler can collect dust with dew; no corrosion to equipment and pipelines are ensured; glass arsenic and thelike are prevented from blocking a bag type deduster and causing paralysis of a system; the method is applicable to smelting flue gas under different working conditions through a frequency-conversionfan; and the method can reduce sewage generated by the process.

The invention relates to a formula and a preparation method for first-level waterproof glass molding injection bottle glass, and belongs to the field of pharmaceutical glass infusion bottles. The first-level waterproof glass molding injection bottle glass comprises the following raw materials: by mass, 76-79% of SiO2, 1.8-2.6% of Al2O3, 0.3-0.4% of MO, 12.6-13.4% of B2O3, 7.3-7.8% of R2O and 0.02-0.03% of Fe2O3. The melting quality is ensured, and the gas ratio is relatively low. Cold heading melting is adopted, so that the volatilization of the raw materials is reduced, and the pollution of the air is reduced. Cerium oxide is used for replacing white arsenic as a fining agent, so that the remaining of toxic components in the glass is avoided, and safety of use is promoted.

The invention discloses a beer bottle glass and a preparation method thereof. The method comprises the following steps: 1) mixing and melting quartz sand, sodium carbonate, calcite, wood charcoal, white arsenic, mirabilite, copper sulfate, aluminum oxide and potassium dichromate at 1400-1550 DEG C to prepare a melt; 2) casting the melt at 1200-1250 DEG C to obtain a primary finished product; and 3) annealing the primary finished product at 540-560 DEG C to obtain the beer bottle glass. The beer bottle glass disclosed by the invention has the advantages of thin wall, excellent internal pressure resistance and excellent shock resistance.

The invention relates to a method for preparing arsenic-containing borosilicate glass through arsenic solid waste treatment. The method comprises the following steps: preparing arsenic-containing solid waste into mixed valence arsenate through a purification process, uniformly mixing the mixed valence arsenate and silicon dioxide as main glass raw materials, heating and melting uniformly, and cooling and curing to obtain transparent or milk white arsenic-containing borosilicate glass. The glass comprises the following raw materials in percentage by mass: 60-80% of silicon dioxide and 2-20% of mixed valence arsenate. When the precipitation amount of the prepared arsenic-containing borosilicate glass is detected according to the GB19778-2005 standard, the arsenic precipitation amount is less than or equal to 0.02 mg/dm < 2 >; and the arsenic precipitation amount is detected to be less than or equal to 0.24 mg/L according to a GB/T5086.1 standard method. According to the method, solid waste of nonferrous metal can be effectively treated, recycling is achieved, influence on the environment is reduced, the method is more environmentally friendly and low in cost, and compared with other arsenic-containing borosilicate glass, the prepared arsenic-containing borosilicate glass has the advantages of being transparent, high in heat resistance, excellent in chemical stability and extremely low in arsenic precipitation amount.

The invention discloses a method for resource utilization of copper smelting smoke. The method comprises the following steps of mixing the copper smelting smoke dust with a biological agent, performing low-temperature arsenic removal to obtain white arsenic and arsenic-removed smoke dust, performing ultrasonic cleaning on the arsenic-removed smoke dust, then conducting vulcanizing to obtain a pretreated arsenic-removed smoke dust material, grinding the material, and performing bulk flotation to obtain flotation bulk concentrate and flotation tailings; adding the biological agent into the flotation bulk concentrate and the flotation tailings respectively, performing low-temperature arsenic removal to obtain white arsenic, arsenic-removed bulk concentrate and arsenic-removed tailings, performing microwave activation on the arsenic-removed bulk concentrate, enabling the arsenic-removed bulk concentrate to enter a fuming furnace for treatment, and promoting valuable metals such as copper,lead and zinc in the bulk concentrate to volatilize to form smoke dust; and then conducting collection through a bag collector to obtain copper-lead-zinc fuming concentrate, discharging fuming furnacetailings from the tail of a furnace body, and obtaining mineral powder after water quenching treatment, wherein the mineral powder can be used as a cement admixture, and the arsenic-removed tailingscan be used for manufacturing porous materials and ecological restoration materials.

The invention relates to a medium borosilicate glass injection agent bottle for small-dose injection, and belongs to the field of medicinal glass. The medium borosilicate glass injection agent bottleis prepared from the following raw materials in parts by mass: 200 to 250 parts of quartz sand, 10 to 13 parts of aluminum oxide, 1.0 to 2.5 parts of barium carbonate, 30 to 35 parts of boric acid, 35to 40 parts of borax, 15 to 18 parts of sodium carbonate, 5 to 7 parts of sodium nitrate and 1.5 to 2.2 parts of cerium oxide. According to the invention, by reasonably matching SiO2, Al2O3, B2O3, Na2O and other components in the formula, the performances of glass can meet the neutral requirements; the gas rate is low, and a cold top melting mode is adopted, so that the volatilization of the rawmaterials is reduced, and the pollution to the atmosphere is reduced; and cerium oxide is used as a clarifying agent to replace white arsenic, so that the residue of toxic components in the glass areavoided, and the use safety is improved.

The invention belongs to the field of processing of traditional Chinese medicines and particularly provides a traditional Chinese medicine composition for treating psoriasis. The traditional Chinese medicine composition is prepared by adopting sulfur, realgar, cinnabar, sanandana, white arsenic, beewax and sesame oil as raw materials, crushing the raw materials, adding in sequence, heating, mixinguniformly, condensing into solid and preparing into a finished product. The traditional Chinese medicine composition for treating psoriasis provided by the invention has the beneficial effects of eliminating necrotic tissues and promoting granulation, clearing heat and removing toxicity, clearing heart fire and relieving convulsion, diminishing inflammation and relieving pain, stopping itching and promoting blood circulation, and is fast in effect, convenient in use and difficult in relapse. The sulfur has strong effects of stopping itching and killing sarcoptic mites and is a principal drugfor treating the psoriasis; the realgar is strong in toxicity and better in toxicity-removing and furuncle-treating effect; the cinnabar has the effects of clearing heart fire and relieving convulsion, calming the nerves, improving the eyesight and removing toxicity; the hydrargyrum oxydatum crudum has the effects of drawing out toxins and pus, generating new blood, corroding furuncle and eliminating necrotic tissues; the white arsenic has the effects of killing the sarcoptic mites, removing phlegm and preventing malaria; the beewax has the effects of removing toxicity, promoting granulation and relieving pain; the sesame oil has the effects of enriching blood and promoting body-fluid production, improving blood circulation, promoting metabolism, diminishing inflammation and stopping itching.

The invention relates to a process for comprehensively recovering arsenic, copper and bismuth from copper-bismuth slags. The process for comprehensively recovering the arsenic, the copper and the bismuth from the copper-bismuth slags comprises the following steps of carrying out oxygen pressure leaching on the copper-bismuth slags in a sulfuric acid system by taking the copper-bismuth slags generated by sulfuration fractional precipitation of copper-bismuth-containing acidic waste liquid generated by acid production from copper smelting flue gas as a research object, then adding the copper-bismuth slags into the leaching slurry, replacing arsenic sulfide in the copper-bismuth slags with copper sulfate in the slurry, reducing pentavalent arsenic into trivalent arsenic by the copper-bismuth slags, and filtering to obtain a trivalent arsenic solution and a slag phase; evaporating, concentrating, cooling and crystallizing the trivalent arsenic solution to obtain a white arsenic product; adding sodium chlorate and hydrochloric acid into the slag phase under a normal pressure condition to leach the copper and the bismuth, firstly adding a dilute alkali solution into leachate to carry out hydrolysis reaction so as to generate bismuth oxychloride, carrying out solid-liquid separation, and adding solid alkali into filtrate to neutralize the solution so as to recover copper; and returning leaching residues to a lead smelting system to recover the lead, and returning hydrolysate to the leaching procedure of copper and bismuth. The process for comprehensively recovering the arsenic, the copper and the bismuth from the copper-bismuth slags provided by the invention is short in technological process, economical, applicable, free of pollution and low in energy consumption, and efficient separation and comprehensive recovery of the arsenic, the copper and the bismuth are achieved.

The invention relates to a traditional Chinese medicine prescription, in particular to a traditional Chinese medicinal prescription for removing toxic materials, dredging collaterals, and relieving pain, and an ointment thereof. The prescription comprises the following ingredients in parts by mass: 0.5-1.5 parts of muscone, 5-15 parts of toad venom powder, 1-3 parts of white arsenic, 4-6 parts ofcalomel, 0.5-1.5 parts of salmiacum, 15-25 parts of menthol, 6-8 parts of lodinketn, and 15-25 parts of pendulous monkshood root. The prescription and the ointment are used for treating rheumatism, osteopathy and internal diseases of neck, shoulder, waist and leg, and can be used for removing toxin, dredging collaterals and relieving side pain.

The invention discloses a medicine for treating pediatric acute gumboil and a preparation method thereof. The medicine is mainly prepared from white arsenic, borneol and golden cypress according to a certain weight ratio. The medicine has the functions of clearing heat, cooling blood, eliminating dampness, discharging fire, opening orifice, dispersing blood stasis and detoxifying, can take a quick response for the treatment of the pediatric acute gumboil, is good in treating effect and has no side effects.

The invention provides a compound anti-T2DM and vascular lesion preparation for treating diabetes great blood vessel complication. The compound preparation is prepared from, by weight, 0.05-0.07 part of white arsenic, 15-18 parts of tender willows, 19-21 parts of bitter gourds, 11-18 parts of five-leaf gynostemma herb, 12-15 parts of spinach roots, 12-16 parts of mung bean shells, 12-13 parts of bergamot, 2-9 parts of acanthopanax obovatus hoo, 2-4 parts of kiwi fruit roots and 3-8 parts of toad venom and is prepared through decoction with water. The preparation has is quick in effect, good in curative effect, free of toxic and side effects, non-poisonous, harmless and strong in curing effect and makes the complication not relapse.

The invention discloses a medication for curing psoriasis and skin intractable tinea, which is prepared by taking white arsenic, dried alum, Chinese cantsarides, calomel and Chinese cinnamon as the raw materials to be matched with white vinegar in a processed manner. The invention adopts the method of fighting poison with poison of the Chinese traditional medicine to cure the patients with psoriasis and skin intractable tinea, the cure rate is above 92 percent, and the invention is a new breakthrough for curing the difficult and complicated dermatoses.

In toxic traditional Chinese medicines curing bone tuberculosis, white arsenic (white), catechu and water are put into a utensil according to a certain quantity, the hands of a patient are fumigated by heating the utensil, the steam of the medicines infiltrates into a human body through pores to circulate along with blood and qi so as to combat poison with poison, the pathogenic bacteria of the bone tuberculosis are killed, and the bone tuberculosis is cured.