119 results about "Litharge" patented technology

There is provided a process for recovering high purity litharge PbO from spent lead acid battery paste at low temperatures and the further preparation of highly pure lead oxides and Pb(OH)2.

The invention provides a strong plaster for improving immunity and a preparation method thereof, and the strong plaster is characterized in that the strong plaster consists of the following components: the main medicines comprise golden thread, baical skullcap root, dried ginger, amur corktree bark, prepared common monkshood daughter root and pepper with 50-75g for each, the excipients comprise three parts, the first part comprises flos caryophyllata and borneol with 30g-50g for each, the second part comprises frankincense, myrrh, flos caryophyllata, prepared Sichuan pepper, villous amomum fruit, immature bitter orange and green tangerine peel with 70-100g for each and the third part comprises sal ammoniac and Chinese asafoetida with 100g-130g for each. The preparation method thereof is as follows: the main medicines are firstly soaked by using boiled oil, fried and then naturally cooled, then the medicine residues are removed by filtration, and the soaking is carried out by pouring into water after the full and uniform compound with litharge; the first part of the excipients is ground into powder for standby; the second part of the excipients is ground into the powder for standby; the third part of the excipients is arranged in the water for decoction by slow fire, the obtained decoction is poured into the ground powder of the second part of the excipients after the concentration for even stirring, and the mixture is dried in the sun and then smashed into the powder for standby; and an ointment is heated and evenly mixed with the ground powder of the first part and the smashed powder after the drying in the sun, thereby obtaining the immune plaster.

The invention discloses a separation and recovery method of uranium, thorium and rare earth in monazite slag, namely a method for separating and recovering valuable elements uranium, thorium and rare earth from monazite slag. The method is characterized by comprising the following steps of: acid leaching, filter pressing, washing and extraction of valuable components. According to the invention, the uranium, thorium and rare earth are leached out by weak acid at a low temperature, and the liquid phase and solid phase are easy to separate; the secondary slag is subjected to beneficiation and alkaline decomposition by a beneficiation technology, and closed-loop circular recovery of uranium, thorium and rare earth is realized; and meanwhile, the waste acid of residual liquid is circularly used, the discharge of wastewater is reduced, the consumption of sulfuric acid and new water as well as the wastewater treatment cost are reduced, the production cost is lowered, the recovery rate of the valuable elements uranium, thorium and rare earth is greater than 97%, and the discharge of radioactive wastewater and waste residue is avoided in the whole technology.

The invention discloses a method for separating and recovering valuable elements uranium, thorium, rare earth and monazite concentrate and zircon concentrate from monazite slag. The method is characterized by comprising the following steps of: acid leaching, filter pressing, washing, extraction of valuable components and treatment of filter residue. According to the invention, the monazite slag is leached by weak acid at a low temperature, and the liquid phase and solid phase are easy to separate; and meanwhile, the waste acid of residual liquid is circularly used, the discharge of wastewater is reduced, the consumption of sulfuric acid and new water as well as the wastewater treatment cost are reduced, the production cost is lowered, the recovery rate of the valuable elements uranium, thorium and rare earth is greater than 97%, and the discharge of radioactive wastewater and waste residue is avoided in the whole technology.

The invention provides an energy-saving and environment-friendly building ornament material. For the material, waste rock ballast powder is adopted as a raw material; inorganic bonds, assistants, inorganic pigments, aggregates and / or light fillers are added for preparing a sizing agent, and then blank preparation and curing are carried out so as to obtain the material; the waste rock ballast powder obtained after processing stone materials is adopted as the raw material; the mixing amount of the waste rock ballast powder is large; the source of the raw material is wide; the cost is low; the cyclic regeneration can be realized; waste materials which are different in production places, textures and granular sizes can also be utilized; the waste materials which occupy lands and cause pollution can be changed into wealthy materials and are subjected to secondary utilization, so that the resource regeneration, the resource cyclic utilization and the sustainable development in the stone industry are facilitated; by adding a plurality of kinds of inorganic bonds and assistants, high-temperature sintering during the preparation is not required, the product performance is stable, the strength is relatively high, the preparation process is simple and easy, and the energy-saving and environment-friendly building ornament material is suitable for being widely generalized.

The present invention relates to the field of traditional Chinese medicine, in particular to a plaster for the treatment of burns, scalds and infected wounds caused by various reasons and the preparation method. The present invention includes the following components: sophora japonical, membranous milkvetch root, bletilla striata, garden burnet root, ovientvine, Chinese arborvitae twig, sappan wood, diverse wormwood herb, gardenia jasminoides ellis, Chinese honeylocust spine, castor bean, frankincense, litharge, borneol, camphor and patchouli oil; the specific preparation steps are that: (1) soaking-the sophora japonical, membranous milkvetch root, bletilla striata, garden burnet root, ovientvine, Chinese arborvitae twig, sappan wood, diverse wormwood herb, gardenia jasminoides ellis, Chinese honeylocust spine, castor bean, frankincense and patchouli oil are weighed according to the mix ratio by weight and are placed into a jar for soaking for 7 days; (2) frying - the soaked medicines are placed into an iron pot for frying for 60 to 80 minutes; (3) oil refining - the medicine residues are removed, the oil refining is started, litharge is added after 60 to 90 minutes of the pot boiling, then the pot is removed from the fire till the litharge melts down; (4) cooling - when the medicines which are removed from the fire are cooled down to 60 to 80 DEG C, then the borneol and camphor which are ground into the fine powder are placed into the pot for even agitating; (5) soaking - the medicines which are removed from the pot are placed into the water for soaking for 24 hours for use.

The invention discloses a sand-making dry method by using granite leftover rock powders and rock ballasts. The method comprises the following steps: 1) selecting the granite leftover rock ballasts and crushing; 2) removing the powders with a particle size below 0.075mm from the crushed sand-powder mixture and granite leftover rock powders by an air classification blower so as to leave the sand grains with a particle size above 0.075mm, and screening the sands with uniform particle size; 3) repeating the step 1) and the step 2) on the remaining large clastic rocks processed in the step 2) to obtain the sands with uniform particle size; 4) adding the rock powders with small particle size, screened in the step 2) by a screen, into a coagulator to obtain lumps; 5) carrying out the step 1) and the step 2) on the lumps to obtain the sands with uniform particle size; 6) repeating the step 1) and the step 2) on the remaining lumps to obtain the sands with uniform particle size; and 7) repeating the step 4) and the step 5) on the micro powders with smaller particle size processed in the step 5) to obtain the sands with uniform particle size. The method provided by the invention can turn waste into wealth and protect the environment.

The invention discloses a method for treating waste carbide slag and waste hydrochloric acid. The method comprises the following steps: pouring waste carbide slag and water into an active carbon pretreatment device with a stirring device at a weight ratio to stir the waste carbide slag and the water into uniform emulsion; naturally settling the emulsion; feeding the settled product to a filter press to press and filter the settled product to obtain calcium hydroxide and storing the supernatant of the waste carbide slag slurry for further use at the same time; treating the waste hydrochloric acid by the adsorption of active carbon to obtain very pure hydrochloric acid; reacting the calcium hydroxide with the hydrochloric acid in a reactor according to pure mass; controlling the reaction temperature; absorbing the generated waste gas with the supernatant of the waste carbide slag slurry; adding the supernatant of the waste carbide slag slurry into the reaction liquid and stirring till the pH value is adjusted to 12; sucking and filtering the reaction liquid to obtain calcium chloride filter liquor and a filter cake; and finally, concentrating, distilling, centrifugally separating and drying the calcium chloride filter liquor to obtain calcium chloride. The method is low in cost, solves the problem of exhaust emission, is favorable for thorough reaction, ensures the quality of product and implements the effective comprehensive utilization of waste carbide slag and waste hydrochloric acid.

The invention relates to a heat dissipation material for lamps, and in particular relates to a reinforced active aluminum-based composite heat dissipation material for an LED (light emitting diode) and a production method of the material. The heat dissipation material is prepared from the following raw materials in parts by weight: 83-85 parts of aluminum, 15-18 parts of aluminum nitride, 4-5 parts of magnesium nitride, 8-10 parts of zirconia, 4-6 parts of magnesium oxide, 1-3 parts of straw powder, 1-2 parts of tourmaline powder, 0.1-0.2 part of monazite slag, 0.5-1 part of natrolite and 4-5 parts of aids. The heat dissipation material disclosed by the invention integrates the advantages of aluminum, aluminum nitride, zirconia and the like, has good heat conduction and heat dissipation capabilities; the tourmaline powder is an active matter and can endow the material with good detergency, electromagnetic radiation reducing capability and moisture resistance, the monazite slag contains multiple rare earth elements and can effectively improve the heat dissipation performance of the material and can improve the sintering effect and the compactness of the material together with the aids. The material has good mechanical properties, is simple in use and maintenance and durable and can be used for effectively protecting an LED lamp and greatly prolonging the service life of the lamp.

The invention particularly relates to a traditional Chinese medicine liniment for treating epichrosis leucasmus and armpit odor. The effective ingredient of the liniment come from the traditional Chinese medicines in following weight parts: 1-6 parts of arsenic sulphide, 1-6 parts of sulfur, 1-6 parts of litharge, 1-3 parts of hydrargyri subchloridum, 1-9 parts of fructus cnidii, 1-6 parts of honeycomb, 1-15 parts of fructus psoraleae, 1-9 parts of radix aconiti carmichaeli, 1-9 parts of aconitum chinese paxton, 1-9 parts of hurricane lamp and 1-9 parts of trumpet creeper. A preparation methodof the liniment is simple and only comprises following steps: grinding the medicines in a recipe into fine powder, and then adding alcohol or vinegar the weight of which is 8-15 times of the medicinepowder to soak the medicine powder for 2-7 days. The medicines in the recipe are combined, enabling the prepared liniment to have the efficiencies of dispelling wind and arresting itching, detoxicating and destroy intestinal worms, eliminating dampness and astricting tumefaction, resuscitating and removing dirt, activating blood flow and removing blood stasis, disintegrating mass and eliminatingpus and the like. Through clinical verification, the liniment is used for treating epichrosis leucasmus, and the effectual rate reaches as high as 100%. The liniment can effectively restrain armpit odor and can thoroughly treat armpit odor after being used for a long time.

The invention discloses a separation and recovery method of uranium, thorium and rare earth in monazite slag, namely a method for separating and recovering valuable elements uranium, thorium and rare earth from monazite slag. The method is characterized by comprising the following steps of: acid leaching, filter pressing, washing and extraction of valuable components. According to the invention, the uranium, thorium and rare earth are leached out by weak acid at a low temperature, and the liquid phase and solid phase are easy to separate; the secondary slag is subjected to beneficiation and alkaline decomposition by a beneficiation technology, and closed-loop circular recovery of uranium, thorium and rare earth is realized; and meanwhile, the waste acid of residual liquid is circularly used, the discharge of wastewater is reduced, the consumption of sulfuric acid and new water as well as the wastewater treatment cost are reduced, the production cost is lowered, the recovery rate of the valuable elements uranium, thorium and rare earth is greater than 97%, and the discharge of radioactive wastewater and waste residue is avoided in the whole technology.