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90results about How to "Low content of harmful ingredients" patented technology

Application of Chinese yam extractives in cigarettes

The invention discloses an application of Chinese yam extractives in cigarettes. The Chinese yam extractives are prepared according to the method that a. a fresh Chinese yam is washed, cut into slices, dried and smashed; b. the Chinese yam is extracted and condensed through ethyl alcohol with the certain concentration to obtain Chinese yam alcohol extraction liquid; c. material residues after alcohol extraction are further extracted through water; d. after water extraction liquid is filtered and condensed, ethyl alcohol is added to the water extraction liquid, precipitating, standing and filtering are conducted, and precipitates are dried to obtain Chinese yam crude polysaccharide; e. deproteinization and purification are conducted. When being applied in a cigarette perfuming link, Chinese yam alcohol extraction liquid can improve perfuming quality, cover sundry flavors, increase clean aroma and sweet aroma, ensure that smoke is more delicate, and improve cigarette smoking and absorbing comfort. After being dissolved in water and used as cigarette material liquid, the Chinese yam crude polysaccharide plays a role in thickening smoke, reducing stimulation and improving mouthfeel, and can reduce the amount of harmful ingredients such as cigarette smoke free radicals. The application of the Chinese yam extractives in the cigarettes does not change the previous performance and the previous processing processes of the cigarettes, improves perfume quality of the cigarettes and sense organ comfort of cigarette smoking, and also has practical production significance and value.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC +1

Processing method of secondary hemp fibers

The invention provides a processing method of secondary hemp fibers, and relates to a method for processing the secondary hemp fibers which are the materials separated from hemp stalk bark. The method adopts the combination of bio-enzyme and chemical and mechanical degumming. The method comprises the following technical steps of: mechanical opening and impurity removing, bio-enzyme degumming and preprocessing, chemical degumming processing, mechanical dehydrating and degumming processing, and post-degumming processing. According to the method, the secondary hemp fibers are processed through the way in the combination of bio-enzyme and chemical and mechanical degumming. The method is simple in technology and easy to carry out. Over 95% of pectin, lignin and waxiness in the fibers can be removed via the method. The processed fibers have soft handfeel and the separation degree over 2000Nm, and the fiber main body is 33 to 40mm in length, thus, the spinnability and the stainability of the fibers can be greatly improved. The processing method effectively increases the economic value of the secondary hemp fibers; and moreover, as the bio-enzyme preprocessing is firstly adopted in the production, the harmful components in the waste water produced by the chemical processing have low contents and can be easily purified. The method is an ideal processing method of the secondary hemp fibers.
Owner:YINGKOU XINYI TEXTILE

Method for smelting ferro-molybdenum from ammonia leaching residue to recover molybdenum

The invention discloses a method for smelting ferro-molybdenum from ammonia leaching residue to recover molybdenum. The method comprises the following steps: 1, the ammonia leaching residue and an auxiliary material are added into a mixer to be mixed uniformly to obtain a mixture, wherein the auxiliary material comprises ferro-silicon, ferro-phosphorus, aluminum particles, sodium nitrate and a fluxing agent, and the fluxing agent adopts calcium oxide or fluorite; 2, the mixture is loaded in a smelting furnace, the surface of the mixture is covered with a layer of firelighter, and a reaction product is obtained after ignition for smelting; the reaction product stands still so that iron is precipitated to form smelting residue and a ferro-molybdenum ingot, the smelting residue is removed, the ferro-molybdenum ingot cools naturally to be solidified, and the purpose of smelting ferro-molybdenum from the ammonia leaching residue to recover molybdenum is achieved. According to the method provided by the invention, the ammonia leaching residue is mixed with the smelting auxiliary material on the basis of a silicon-aluminium thermal reduction method, and the smelting residue and the ferro-molybdenum ingot are produced by a ferro-alloy self-heating reaction technique, so that the effect of recycling molybdenum metal is achieved; when used for smelting ferro-molybdenum to recover molybdenum in ammonia leaching residue, the method has the advantages of high resource utilization rate, low smelting auxiliary material consumption, small environmental pollution and high metal recovery rate.
Owner:JINDUICHENG MOLYBDENUM CO LTD

Pig fodder

The invention provides a pig fodder, belonging to the technical field of fodder processing. The pig fodder is prepared through the following steps: heating, stirring and mixing paris polyphylla root,Chinese lobelia herb, peristrophe japonica herb, herba bidentis bipinnatae, rhizoma arisaematis and water, filtering, decompressing and concentrating to obtain a traditional Chinese medicine extracting solution; mixing, standing and swelling agar powder and water in a mass ratio of (1:50)-(1:100), then heating, stirring and mixing to obtain agar liquid; mixing soybean curb residue, soya bean meal,wine residue, the traditional Chinese medicine extracting solution, vitamin, shell powder, plant essential oil, the agar liquid, sepiolite, pollen, lotus root starch, caffeine, biogas slurry and a glucose solution, fermenting, decompressing and concentrating, squeezing to granulate, and drying to obtain the pig fodder. According to the technical scheme, the prepared pig fodder has the characteristics of improving reproductive performance and increasing yield, not only is the yield of piglets improved, but also the pork quality is obviously improved, secondly, anti-venom factors exist in pork,after eaten by a person, the anti-venom factors in the pork enter a human body, and the anti-venom capacity of the human body is enhanced.
Owner:石磊

Direct lead-smelting comprehensive metallurgical device and smelting process

The invention relates to an energy-saving high-efficient direct lead-smelting comprehensive metallurgical device, which is formed by serially joining three melting bath smelting furnaces: a first furnace, a second furnace and a third furnace; and the second furnace consists of a furnace cylinder and a furnace body which is arranged on the furnace cylinder. The top part of the upper furnace body is provided with a smoke exhaust port and a standby feeding port; a charge feeding port and a slag feeding port are arranged above the lower furnace body; and the bottom part of the lower furnace body is provided with a slag siphonic water-collecting well. The furnace body is provided with three rows of supply-air outlets. The bottom part of the furnace cylinder is provided with a metal siphonic outlet. Due to the adoption of the direct lead-smelting comprehensive metallurgical device, the heat loss is small, the heat utilization rate is high, sulfuric dioxide smoke with high concentration can be produced, and the requirement for producing the acid can be more favorably satisfied; and molten high-lead thermal slag which is produced through oxidation and smelting directly flows into a reducing furnace, so the heat of the thermal molten slag can be adequately utilized. The land occupied area is small, the investment can be saved, the heat loss is less, the heat utilization rate is high, the heat energy can be adequately utilized, a great amount of energy consumption can be saved, output of smoke is small, the content of harmful ingredients in smoke is low, and the environmental pollution problem can be more effectively solved.
Owner:JIYUAN WANYANG SMELTING GROUP +2

Solid waste pyrolysis and related gas combustion device

The invention discloses a solid waste pyrolysis and related gas combustion device. The device comprises a solid processor, a gas combustor and a draught fan; the solid processor comprises a shell, a raw material conveying mechanism, a pyrolyzing furnace and a slag conveying mechanism; the gas combustor comprises a heat exchanger and a combustion chamber, wherein the heat exchanger is provided withan air inlet channel and an air outlet channel which are isolated from each other and can exchange heat with each other, wherein the air inlet channel is provided with a waste gas inlet and a waste gas outlet, and the air outlet channel is provided with a flue gas inlet and a flue gas outlet; and the waste gas outlet and the flue gas inlet communicate with the combustion chamber, the waste gas inlet communicates with an air extraction port through a pipeline and the draught fan, and the flue gas outlet communicates with a chimney. According to the device, the problem that combustible gas generated by pyrolysis is difficult to combust after being diluted due to the fact that a large amount of fresh air is sucked in due to air extraction conducted on the solid processor is solved; and the technological process is simplified, and the equipment investment can be reduced.
Owner:FOSHAN HUAJIEYUAN THERMAL ENERGY & ENVIRONMENTAL ENG TECH CO

Planting method for improving nutritional quality of summer green vegetables

The invention belongs to the technical field of green vegetable planting, and particularly relates to a planting method for improving the nutritional quality of summer green vegetables. Themethod comprises the steps that (1) at the beginning of July, a planting place with a fore-rotating crop of rapeseed is selected,bio-organic fertilizers of cow dung and grape skin are applied, shallow ploughingis conducted, and farmlands are made; (2) in mid-July, the seeds of the full-bodied green vegetables are irradiated with 60Co-gamma rays,immersed in a soaking agent, and irradiated with the 60Co-gammarays to obtain seeds of the green vegetables to be sown; (3)the seeds of the green vegetables to be sown are sown in the planting area, two micro-spraying treatment is conducted after emergence, first foliar application of a nutrient solution is conducted after the growth of 1-2 true leavesof the green vegetable seedlings, and second foliar application of the nutrient solution is conducted after13-15 days;the emergence rate and emergence index are effectively improved,the content of nutrients such as carotene, cellulose, vitamin C, protein and the like in the green vegetables is improved, the content of harmful components such as nitrite, cadmium, mercury, arsenic and the like is reduced, and the green vegetables are green, hygiene, nutritious and healthy.
Owner:安徽双圆农业科技有限公司
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