36 results about "Pine oil" patented technology

The present invention relates to a herbicide formulation based on pine oil. The present invention also relates to a method of reducing unwanted vegetation in a soil environment and a method for reducing seed viability using the herbicide formulation. The herbicide formulation comprises a pine oil, a tall oil, and an alkali. The formulation has improved herbicidal properties, and is less subject to coagulation at low ambient temperatures.

The application provides a preparation process of Miaogukanghuoluo oil and belongs to the technical field of medicinal oil production. The process comprises the following steps: S1, preparing raw materials with a certain weight ratio: Sanqi 3.5%-4%, Chuanqiong 4.5%-5%, wintergreen oil 5%-6%, menthol 7.5%-8%; S2, after Sanqi and Chuanqiong are processed and qualified, they are poured into a feeding pipe together with menthol, camphor and borneol, a rotating assembly is used to crush and pulverize the medicinal raw materials, and the crushed medicinal powder is fully mixed; S3, a user pours wintergreen oil, pine oil, clove oil and Shancang oil into the bottom of the installation shell through an oil inlet pipe in proportion, so that the medicinal oil mixture is prevented from adhering to the surface of the stirring assembly and causing medicinal waste; S4, the fully mixed medicinal oil mixture is placed and bottled to obtain Miaogukanghuoluo oil. The rotating assembly is arranged to prevent solid particles from affecting the overall medicinal effect of the huoluo oil, and the stirring assembly is arranged to further improve the mixing effect of the medicinal powder and medicinal oil.

The application provides a high-efficiency foaming agent suitable for argillaceous porphyry copper ore in high-cold regions and a preparation method and application thereof. The high-efficiency foaming agent suitable for argillaceous porphyry copper ore in high-cold regions is composed of mixed alcohols, pine oil, sulfur-nitrogen esters, diesel oil, xanthate and a surfactant. The high-efficiency foaming agent suitable for argillaceous porphyry copper ore in high-cold regions is simple in preparation method, does not produce intermediate products, has low irritation, is friendly to the environment, has low dosage of the medicament compared with traditional single foaming agent, has stable foam properties, and can also assist in collecting some chalcopyrite, molybdenite and other sulfide ores. Within the range of the component allocation, the foaming agent can fully exert the synergistic effect of each component. In a high-altitude environment (altitude >= 3500m), the foaming capacity and foaming rate of the foaming agent are obviously superior to those of traditional foaming agents.

This invention discloses a low-temperature resistant composite flotation reagent for coal preparation and its preparation method, specifically relating to the field of flotation technology. The reagent is formed by emulsification of a composite collector, a composite frother, and an aqueous phase. The composite collector contains kerosene, n-dodecane, oleic acid, dimer acid, surfactant components, and low-temperature stabilizing components. The composite frother contains terpineol, pine oil, sec-octanol, and sodium α-olefin sulfonate, etc. Through compounding and synergistic effects, high-speed shear emulsification, and high-pressure homogenization, the obtained reagent exhibits good dispersibility and stability at -5 to 15°C, and can improve the flotation efficiency, clean coal yield, and combustible gas recovery rate of fine coal slime and high-ash, difficult-to-separate coal slime without heating the coal slurry.

This utility model provides a pine resin heat-insulating and anti-clogging conveying pipeline, relating to the technical field of pine resin conveying devices. It includes a main pipe, which comprises a liquid inlet section, a narrowing section, a throat section, an expanding section, and a liquid outlet section, connected end-to-end and fixed to each other. The narrowing section has a truncated conical structure, with the inner diameter of its input end being the same as that of the liquid inlet section, and the inner diameter of its output end being the same as that of the throat section. A heating mechanism is fixedly installed on the outer wall of the throat section, and an insulation pipe is fixedly installed on the outer sleeve of the main pipe. Through the variable diameter structure of narrowing for acceleration and expanding for flow stabilization, the flow state of the resin is actively optimized. After entering the throat section, the kinetic energy of the resin is significantly increased, breaking the laminar flow state and eliminating the stagnant zone at the pipe wall boundary, preventing impurities from depositing. Combined with precise local heating in the throat section, replacing full-line heating, energy consumption is significantly reduced. The external insulation pipe further suppresses heat loss, effectively solving the pipeline blockage problem caused by temperature decreases during long-distance transport, significantly improving production continuity and reducing maintenance costs.

This invention proposes a method for improving the quality of pyrite concentrate powder recovered from cyanide tailings, belonging to the field of slag resource utilization technology. The method includes: mixing raw cyanide tailings ore with water to form a cyanide tailings slurry; filtering the slurry through a fixed mesh screen to remove sand and gravel impurities; and conveying the slurry to an activation tank; adding concentrated sulfuric acid to the activation tank to convert cyanide ions into hydrogen cyanide gas, followed by the addition of alkali solution, a collector, and pine oil to obtain a slurry; agitating and aerating the slurry, causing FeS2-containing slurry particles to float to the surface and be scraped off; continuing agitation and aeration to enrich and purify the FeS2-containing slurry particles; further enrichment and purification followed by scraping off the FeS2 slurry particles to recover the FeS2 slurry particles, yielding concentrate and tailings slurries respectively; the concentrate and tailings slurries undergo solid-liquid separation under the action of a slurry pump, followed by pressure filtration; the filtrate is collected and discharged into a workshop circulating water tank for reuse; after unloading, the concentrate and tailings are collected separately. This invention produces high-quality pyrite concentrate powder with an FeS2 content of approximately 90%.

The application discloses a medicine composition for treating abdominal distension of children and a preparation method of the medicine composition. The medicine composition mainly comprises components of immature bitter orange fruit, thick poria, clove, cassia bark, fried Semen Raphani and pine oil.

This application provides a flotation frother for copper-lead-zinc-antimony sulfide ores, its preparation method, and its application, belonging to the field of mineral flotation reagent synthesis technology. This application obtains a mineral flotation frother by mixing dodecyl alcohol ester and ethylene glycol in a specific ratio, followed by thorough stirring and settling. Compared with commonly used domestic frothers such as pine oil and pine alcohol oil, the mineral flotation frother prepared in this application has better flotation indicators, higher concentrate grade, and lower unit consumption. Compared with commonly used foreign frothers such as methyl pentanol, it has lower usage costs, wider raw material sources, and comparable flotation indicators. The frother provided in this application is widely available and inexpensive, and is suitable for the flotation of copper-lead-zinc-antimony and other metallic sulfide ores with high content of easily mud-forming gangue.

The invention discloses a saline-alkali adsorber for simulating a plant leaf surface function by using corncobs as well as a manufacturing method and a using method of the saline-alkali adsorber, and belongs to the technical field of saline-alkali land treatment. The adsorption conveying part is composed of a hollow reed stem section and charcoal powder filled in the reed stem section, the leaf surface-imitating evaporation part is composed of a corncob section subjected to surface hydrophobic treatment, and one end of the reed stem section is fixedly inserted into one end of the corncob section. The manufacturing method comprises the steps of raw material preparation, corncob surface functionalization treatment and assembly, the corncob surface functionalization treatment sequentially comprises the steps of drying carbonization and pine oil fumigation treatment, layered hydrophobic treatment and cooling cracking treatment, and finally a functional surface with a hydrophobic area and a microcosmic breathing channel is formed on the surface of the corncob. When in use, the adsorber is inserted into soil, under the driving of solar energy, salt-containing water is continuously extracted from the soil, and salt is intercepted and enriched in corncobs. The soil salinization can be effectively treated by utilizing agricultural wastes, and the method has a wide application prospect.

The invention discloses a method for enriching trace cobalt in ultra-low vanadium titano-magnetite iron ore concentrate, and belongs to the technical field of metallurgy. The invention provides a separation and enrichment method for enriching trace cobalt elements in ultralow-grade vanadium titano-magnetite iron concentrate, which comprises the following steps: by taking ultralow-grade vanadium titano-magnetite iron concentrate with the cobalt content of 0.01-0.03% as a raw material, grinding, dehydrating and drying; then carrying out oxidizing roasting at 890-905 DEG C; water is added into the roasted product for size mixing, and the pH is adjusted to 10-11; flotation is carried out with sodium sulfide as a vulcanizing agent, amyl xanthate as a collecting agent, terpenic oil as a foaming agent and water glass as an inhibitor, and cobalt rough concentrate is obtained; and amyl xanthate and terpenic oil are supplemented, fine selection and purification are carried out, and cobalt concentrate is obtained. According to the method, the high-grade cobalt concentrate is enriched from the ultralow-grade iron concentrate, the cobalt grade is 17-20%, and the recovery rate is 80-90%.

The invention discloses a processing method for improving carbon black dispersion of a butylbenzene tread, and relates to the field of butadiene styrene rubber mixing processing, and the processing method comprises the following steps: S1, mixing rubber, carbon black, an anti-aging agent, resin, a softening agent and an activating agent to prepare a section of master batch; s2, mixing the first-stage rubber master batch with a plasticizer to prepare second-stage rubber master batch; s3, mixing the second-stage rubber master batch with sulfur, an accelerant and a scorch retarder to prepare final mixed rubber; the plasticizer comprises a pine oil plasticizer; the contents of the rubber, the carbon black and the plasticizer are 80-100 parts by mass, 55-70 parts by mass and 3-15 parts by mass respectively. Part or all of the pine oil plasticizer is added after being delayed to the second-stage rubber master batch stage, so that the pine oil plasticizer is prevented from being directly contacted with the high-reinforcing carbon black in the first-stage mixing and powder feeding stage to form an aggregate, and the carbon black is fully dispersed firstly; therefore, the purpose of preventing poor dispersity of the carbon black and reduction of physical properties of the rubber material caused by the fact that the plasticizer-carbon black viscous aggregate consumes a large amount of shear force is achieved.

The application relates to the technical field of asphalt materials, and particularly discloses a road paving asphalt filler and a preparation process thereof. The road paving asphalt filler comprises the following components in parts by mass: 3-4 parts of asphalt, 91-99 parts of aggregate, 1-1.3 parts of composite oil and 9-12 parts of composite filler. The composite oil is a compound of wood wax oil, perilla seed oil and pine oil. The preparation process of the road paving asphalt filler comprises the following steps: step 1), heating and mixing the asphalt and the composite oil to obtain a premix; and step 2), adding the aggregate and the composite filler into the premix and uniformly mixing to obtain the road paving asphalt filler. The application has the advantages that the road paving asphalt filler has improved crack resistance at low temperatures.

The invention discloses an easily degummed turpentine-based adhesive as well as a preparation method and application thereof, and the easily degummed turpentine-based adhesive is prepared by reaction of 4, 5-epoxyhexane-1, 2-dicarboxylic acid diglycidyl ester and alkane diamine. A topological structure with a covalent cross-linked network and dynamic transesterification is constructed through 4, 5-epoxyhexane-1, 2-dicarboxylic acid diglycidyl ester and alkane diamine, a tertiary amine group in the material can spontaneously catalyze the transesterification reaction of beta-hydroxyl ester, and network reconstruction is achieved; excellent mechanical performance and thermal performance are realized; excellent stability, including wide temperature range adaptability, heat and humidity resistance and chemical corrosion resistance, is shown in an extreme environment; meanwhile, the adhesive has high adhesion strength to various metal and non-metal base materials; during dismounting, mechanical violent force or strong chemical solvents are not needed, and the device cannot be damaged; the required raw materials are simple, preparation is simple, cost is low, and popularization is easy.

The embodiment of the present disclosure provides a brazing method and composite filler of aluminum nitride ceramic and oxygen-free copper, and relates to the technical field of electronic packaging. The method comprises the following steps: putting silver-copper-titanium filler and niobium powder into a ball mill tank and performing ball milling with alcohol as a dispersion medium to obtain a filler suspension; drying the filler suspension to obtain a composite filler; adding ethyl cellulose into a mixed solvent formed by pine oil and diethylene glycol butyl ether acetate to obtain a mixed solution by heating and dissolving; adding hydrogenated castor oil and fatty alcohol polyoxyethylene ether into the mixed solution in sequence, and heating to dissolve to obtain a uniform adhesive for solder paste; stirring the composite filler and the adhesive for solder paste to obtain a composite filler solder paste; coating the composite filler solder paste on a bonding area of the aluminum nitride ceramic; and performing brazing on the aluminum nitride ceramic coated with the composite filler solder paste and stacked with an oxygen-free copper foil. The present disclosure can improve the peeling strength of the aluminum nitride ceramic and the oxygen-free copper connection and improve the welding quality.

The invention relates to the field of environmental protection chemistry, and discloses a limonene-based natural deodorant and a preparation method thereof, the limonene-based natural deodorant comprises the following components by weight: 60-70% of limonene, 20-30% of refined pine oil, 3-5% of cedar oil, 3-5% of edible alcohol, 0.05-0.1% of an antioxidant, 1-2% of citric acid, and 0.05-5% of an activator; the preparation method comprises a three-step mixing mode. Compared with a deodorant in the prior art, the natural deodorant based on limonene prepared by the invention is more efficient in deodorization effect, meanwhile, the effective component limonene is more stable and long-acting, and the three technical bottleneck defects of the limonene deodorant exposed in an actual garbage treatment scene are overcome.

Discloses a combined depressant for sphalerite flotation separation and its application, the combined depressant including reducing substance and anthocyanin. It is used as a combined depressant for sphalerite in the flotation separation of chalcopyrite and sphalerite or galena and sphalerite. After crushing and grinding the raw ore, the combined collector and foaming agent are added to the ore pulp for copper-zinc or lead-zinc flotation. During the copper-zinc or lead-zinc separation process, the combined depressant is added as the sphalerite depressant, isopentyl xanthate is used as the collector of chalcopyrite or galena, pine oil is used as the foaming agent, the froth product is copper concentrate or lead concentrate, and the bottom product is zinc concentrate. The combined depressant of the disclosure has a strong inhibitory effect on sphalerite and can effectively achieve flotation separation of chalcopyrite and sphalerite or galena and sphalerite.

The invention belongs to the technical field of compound essential oil, and particularly relates to compound essential oil for external application of pudendum. The invention relates to compound essential oil for external application of pudendum. The compound essential oil for external application of pudendum is prepared from the following components: 400 to 800 mL of camellia oil, 80 to 120 mL of sea buckthorn fruit oil, 60 to 120 mL of baeckea frutescens oil, 30 to 70 mL of cypress oil, 40 to 60 mL of eucalyptus oil, 35 to 75 mL of snake oil, 40 to 60 mL of emu oil, 3 to 6 g of borneol and 0.2 to 0.7 mL of agilawood essential oil. The compound essential oil disclosed by the invention has relatively strong bacteriostatic activity, can achieve relatively good anti-inflammatory and bactericidal effects, can achieve the effects of relieving, dredging collaterals, moistening yin, relieving itching and the like, can be used for preventing and treating diseases such as pruritus vulvae, vagina dryness and sexual hypoactivity of women, and prostatic hyperplasia, haemorrhoids and the like of males, and has a relatively good application prospect.

The invention relates to a skin-nourishing source herbal maintenance liquid which comprises the following components in percentage by weight: 5-8% of ginsenoside; 25-30% of a pine needle extract; 10-13% of long-leaf pine oil; 1-5% of pinus densiflora leaf extract; 5-9% of cedar seed oil; 1-3% of cedrol; a proper amount of a pH regulator; and the balance of water. According to the skin-nourishing source herbal nourishing liquid, medicinal components are added into a formula of the liquid shampoo to prepare new liquid shampoo, and the problems that existing liquid shampoo is generally formed by mixing chemicals and has irritation or side effects on skin, and various skin problems such as dry skin, desquamation and itching can be caused when the skin is cleaned frequently can be solved; according to the present invention, the components are relatively simple, the decontamination effect is good, the pH value of the shampoo is controlled so as to make the shampoo closer to the pH value of the human skin, and the situation that the natural grease and other natural conditioning and moisturizing components of the skin are removed due to the frequent use of the shampoo in the non-pH range to clean the skin can be avoided.

The invention relates to the field of material recovery, and particularly discloses a liquid specific gravity method for copper-aluminum separation, which comprises the following steps: uniformly mixing copper-aluminum mixed particles with specific particle size and a separation liquid in a specific gravity separation tank, the separation liquid comprises 10-40wt% of absolute ethyl alcohol, 10-50wt% of glycerol, 0.5-5wt% of sodium chloride and the balance of deionized water, according to the formula, the solution has proper specific gravity and viscosity, sedimentation of aluminum particles can be slowed down, then the terpenic oil foaming agent is added, flotation is conducted at the specific stirring speed and under the inflation condition, copper and aluminum separation is effectively promoted, high-purity copper particles and aluminum particles are finally obtained, and the problem that a traditional method is insufficient in separation precision and efficiency is solved.

The invention provides an environment-friendly crude oil cleaning and dispersing agent and a preparation method thereof. The invention discloses environment-friendly vegetable oil which is applied to the field of dispersion and cleaning of seawater crude oil spilled oil. The environment-friendly vegetable oil comprises one or more of fatty acid methyl ester and pine oil. The dispersing agent is prepared from one or more of Tween and amino acid type surfactants; the organic solvent accounts for 5-15% of the environment-friendly crude oil cleaning and dispersing agent in percentage by mass; the organic solvent comprises alkyl polyoxyethylene alcohol or alkyl polyoxypropylene alcohol, alkyl is C1-C4, and the polymerization degree of polyoxyethylene or polyoxypropylene alcohol is 1-3. Through the application, the environment-friendly crude oil cleaning and dispersing agent which is efficient, low in toxicity and biodegradable is provided.

The present invention relates to a concentrated liquid cleaning composition that can be diluted in water for cleaning biological and non-biological surfaces. There is a need for an improved concentrated liquid composition that forms a cleaning liquid upon dilution in water while providing visual cues to the consumer. It has been found that selection of an alkaline swellable or soluble emulsion polymer along with pine oil and non-ionic surfactant can provide a stable homogeneous liquid composition. After being dissolved in water, the cleaning solution is formed. The component can generate turbidity when being diluted, so that visual prompts are provided for consumers.

The application belongs to the technical field of electronic paste, and relates to a preparation method of single-wall carbon nanotube composite conductive nickel paste. The preparation method comprises the following steps: dissolving PVB in pine oil alcohol, stirring uniformly to obtain solution A; dissolving single-wall carbon nanotubes in the solution A, stirring uniformly to obtain solution B; dispersing the solution B in a high-pressure homogenizer to obtain a solvent system single-wall carbon nanotube conductive paste; mixing the solvent system single-wall carbon nanotube conductive paste, an organic solvent, a dispersant, a resin, a thixotropic agent and a coupling agent, stirring uniformly to obtain a pre-dispersion liquid; taking the pre-dispersion liquid, barium titanate powder and nano nickel powder, and mixing in a defoaming machine; grinding the uniformly mixed paste to obtain a ground paste; and homogenizing the ground paste in a micro-jet homogenizer for multiple times to obtain the single-wall carbon nanotube composite conductive nickel paste. The single-wall carbon nanotube composite conductive nickel paste has high conductivity, excellent electrode continuity and good co-firing property.

The invention discloses a high-vacuum scraper film evaporator and a method for evaporating and separating terpinene from eucalyptus oil, and belongs to the technical field of chemical separation equipment.The high-vacuum scraper film evaporator comprises a pretreatment assembly, a fractionation assembly, a barrel, a temperature control jacket arranged outside the barrel, a power assembly arranged at the top of the barrel and a rotor penetrating through the interior of the barrel. A flow guide spiral structure used for guiding a heat medium to form turbulent flow in the temperature control jacket is designed in the temperature control jacket. The pretreatment assembly comprises a plate heat exchanger, an ultrasonic cavitation cavity and a differential emulsification reaction tower which are connected in sequence; the fractionation assembly is arranged at the downstream of the pretreatment assembly and comprises a dehydration and dealdehyding tower, a limonene separation tower and a cineole separation tower which are connected in series; and the barrel body is provided with a feed port and a discharge port. The invention provides a high-vacuum scraper type film evaporation system integrating efficient pretreatment, enhanced heat transfer and low-pressure-drop evaporation.

The application discloses an anti-explosion pod agricultural adhesive and an application method thereof, and belongs to the field of agricultural technology. The anti-explosion pod agricultural adhesive is prepared from 48% natural rosin, 48% pine oil and 2-ethyl-1-hexanol distillate byproduct, and 4% emulsified OP-10 according to mass proportions. Four weeks before crop harvesting, the anti-explosion pod agricultural adhesive is sprayed on crops by using an unmanned aerial vehicle or a ground walking pesticide spraying machine. The spraying amount is that 100 ml of the anti-explosion pod agricultural adhesive is dissolved in 5 liters of water, and the mixture is mixed and stirred at room temperature to obtain diluted anti-explosion pod agricultural adhesive. The diluted anti-explosion pod agricultural adhesive is sprayed according to a use amount of 5 liters per mu, so as to prevent the cracking of rapeseed pod bodies, ensure the integrity of the pod bodies and prevent seed loss, and the anti-explosion pod agricultural adhesive can effectively improve the anti-cracking performance of crops, plays an important role in reducing grain scattering and improving yield per unit, and has important significance for the mechanized harvesting of Chinese rapeseed and other crops and the improvement of production efficiency.

The application discloses a recovery method and application of iron tailings, and belongs to the field of mineral processing technology.The recovery method comprises the following steps: 1) slurry preparation of the iron tailings to obtain a slurry; adding water glass and sodium oleate related substances into the slurry in sequence, and then performing flotation to obtain a mixed flotation froth product and a mixed flotation sand; 2) filtering the mixed flotation froth product to obtain a solid; drying the solid, and then performing roasting at 400-650 DEG C to obtain a roasting product; performing grinding of the roasting product to obtain a grinding product; 3) slurry preparation of the grinding product to obtain a grinding product slurry; adding sodium sulfide, water glass, sodium alginate, hydroxamic acid and pine oil into the grinding product slurry in sequence, and then performing flotation to obtain a rare earth concentrate and a rare earth tailings.The rare earth concentrate obtained by the application has a high grade, and the phosphorus content and the sulfur content in the rare earth concentrate can be reduced simultaneously.

The application provides a process for reducing the content of arsenic in antimony concentrate, which comprises adding dextrin and hydroxyl polyacrylamide to inhibit arsenic in the ore slurry during the heavy dressing slurry mixing process, adding lead nitrate as an antimony activator, butyl ammonium as an antimony collector and pine oil as a foaming agent, so that the antimony in the heavy dressing slurry can float under the combined action of the above flotation reagents and the arsenic minerals are further inhibited, and the arsenic in the antimony concentrate can be removed by the heavy dressing more easily. The test results show that, compared with the process of single flotation or single heavy dressing, the process of adding flotation reagents to the heavy dressing operation can effectively reduce the content of arsenic in the antimony concentrate, the process equipment is simple, and the indexes are stable. In addition, the process does not use toxic reagents such as cyanide, is environmentally friendly and non-polluting, and can realize green and efficient separation of antimony and arsenic.

The invention discloses a heat exchange mechanism and a terpilenol rectifying tower, and relates to the technical field of heat exchange. The heat exchange mechanism comprises a tube shell arranged on a tubular heat exchanger, a liquid inlet, a liquid outlet, an air inlet and an air outlet. According to the heat exchange mechanism and the terpilenol rectifying tower, the hollow cover and the heat exchange pipe can be automatically rotated and shaken up and down by using impact force generated when liquid flows as power, and meanwhile, the surfaces of the heat exchange pipe and the hollow cover can be cleaned, adsorbed, extruded and dehydrated; cleaning liquid drops can be conveniently collected, and waste heat of the liquid drops can be utilized to preheat tower bottom liquid entering the liquid inlet, so that the device is more energy-saving and environment-friendly; the multiple communicated hollow covers are arranged on the surfaces of the heat exchange pipes, the heat exchange area can be increased, and when the heat exchange pipes rotate, the hollow covers can be driven to rotate, so that the effect of stirring hot steam can be achieved, the hot steam is more uniform, and the heat exchange efficiency and effect can be improved.

A composition comprising at least citrus oil, pine oil, and salt water is effective in mitigating or eliminating harmful microorganisms, in one embodiment, gram-negative bacterial diseases present in plants. The mixture is effective against citrus greening and other gram-negative bacterial diseases. The mixture comprising at least the above ingredients can be used to treat the roots and / or foliage of a plant by diluting a concentrated mixture of the composition and spraying it on the foliage of a diseased plant or a plant susceptible to disease. Similarly, the combined composition can be used in a root drench or irrigation system to treat a diseased plant. Other active ingredients in the composition as described herein can optionally include a surfactant (especially in foliar applications) and a growth stimulant (especially in root drench or irrigation applications).

The invention discloses a dechlorination reagent Ng131 as well as a preparation method and application thereof. The dechlorination reagent Ng131 is prepared from the following raw materials: tri-octyl decyl alkyl tertiary amine, bismuth molybdate and pine oil. The method comprises the following steps of: reacting the raw materials of tri-octyl decyl alkyl tertiary amine, bismuth molybdate and pine oil according to a formula ratio for 1-4 hours at the oxygen pressure of 0.5-1.0 KPa and the temperature of 200-300 DEG C; the application is the application of the dechlorination reagent Ng131 in a copper sulfate solution defluorination process. The dechlorination reagent Ng131 is stable in chlorine removal performance under high-acid and high-temperature conditions, and has efficient dechlorination performance.

A recyclable waterproof sealing membrane that features the following: a. a bituminous binder comprising a recycled bituminous binder (RBB), optionally a virgin polymer and optionally virgin bitumen; and b. an intensification; wherein the bituminous binder comprises a rejuvenating agent selected from the group consisting of bio-based oils and / or mineral oils, wherein the rejuvenating agent is preferably bio-based, more preferably plant-based, and even more preferably based on pine oil or vegetable oil; and wherein the cold flexibility of the bituminous binder lies between -10 °C and -35 °C and wherein the cold flexibility is determined as described here under the heading "Flexibility"; and the recycled bituminous binder is optionally obtained by grinding and melting waterproof sealing membranes that contain bituminous binder, polymers and a reinforcement.