57results about How to "Control odor" patented technology

The invention discloses an efficient low-toxicity formaldehyde scavenger containing the following raw material components by weight: 0.5%-5% of hydrazide, 0.1%-5% of a water-soluble ester, 0.5%-10% of a moisture absorbent, 0.1%-0.5% and of a buffer, 0.05%-1% of a surface active agent, 0.02%-0.5% of a preservative and 80%-98% of water. The free hydrazine content in the efficient low-toxicity formaldehyde scavenger product is controlled in the range as low as possible by the manner of fine selection of the hydrazide raw material, control of free hydrazine content, adding of the water-soluble ester, adding of the buffer, and the like, and the efficient low-toxicity formaldehyde scavenger product has better security. The efficient low-toxicity formaldehyde scavenger product is good in formaldehyde removal effect, safe to people and objects, and simple in production process, and can be used for governance of the problem of formaldehyde exceeding the standard in new decorated residence or furniture.

A composition is provided that includes Bacillus subtilis 2084 (NRRL B-50013) or a strain having all of the identifying characteristics of the Bacillus subtilis 2084 (NRRL B-50013), B. subtilis 27 (NRRL B-50105) or a strain having all of the identifying characteristics of the B. subtilis 27 (NRRL B-50105), and B. licheniformis 21 (NRRL B-50134) or a strain having all of the identifying characteristics of the B. licheniformis 21 (NRRL B-50134). Animal bedding that includes the Bacillus strains is also provided, as well as a method of making the animal bedding. Also provided are methods of controlling odors from animal waste. A method of making a composition including the Bacillus strains is also provided.

A packaged insulation product is provided comprising at least one insulation product oriented for storage or transportation and disposed in a package, wherein the package comprises a vapor-permeable membrane.

The present invention relates to a cosmetic process which applies onto the skin a self-standing cosmetic sheet for the skin, comprising: • at least one biocompatible and / or biodegradable hydrophobic polymer layer • wherein • the self-standing cosmetic sheet has a thickness of from 10 to 1000 nm, preferably from 30 to 500 nm, and more preferably from 50 to 300 nm. The cosmetic sheet according to the present invention may comprise at least one cosmetic active ingredient. The cosmetic sheet used in the present invention is very thin and not easily perceived on the skin; can be prepared with a variety of materials such as a biocompatible and / or biodegradable material, preferably non-cross-linked poly(lactic acid) or a combination of chitosan and alginic acid; and can adhere well onto the skin without any adhesive layer so that it is less irritable or no irritable to the skin.

Methods to control and suppress odor in papermaking sludge are described. One method involves admixing sludge from a papermaking process and cyclodextrin to provide treated sludge with the cyclodextrin present in an effective amount to control odors in the treated sludge. The deodorized sludge may be used as a component of resin-wood composite products, such as composite decking materials, walls, flooring, casting forms, and the like.

A packaged insulation product is provided comprising at least one insulation product oriented for storage or transportation and disposed in a package, wherein the package comprises a vapor-permeable membrane.

A packaged insulation product is provided comprising at least one insulation product oriented for storage or transportation and disposed in a package, wherein the package comprises a vapor-permeable membrane.

The invention relates to a fruit and vegetable preservative and a use method thereof. The preservative comprises a carbon dioxide adsorbent used for absorbing the carbon dioxide to ensure the volume content of the carbon dioxide in the enclosed environment to be 0.1-20%, an ethylene absorbent used for absorbing the ethylene to ensure the volume content of the ethylene in the enclosed environment to be less than 0.01% and a gas release agent used for releasing the oxygen to ensure the volume content of the oxygen in the enclosed environment to be 1-5%. The gas release agent is hyperoxide and is mixed with the carbon dioxide adsorbent and the ethylene absorbent in a weight ratio of 0-50:50-95:2-50. The preservative can prolong the fruit and vegetable preservation period, can effectively control the change of the smell, mouthfeel, color and the like, belongs to pure physical preservation and has no influence on the inner quality of the fruits and vegetables.

Yak meat has a very high nutritional value, is rich in protein, amino acids and trace elements of carotene, calcium, phosphorus and the like, is extremely low in fat content, is extremely high in caloricity, and has significant effects of improving disease resistance, cell viability and organ functions of a human body. The yak meat in the existing market appears in the form of dried yak meat and frozen fresh yak meat. Because the shelf life of fresh meat is short and the transportation of fresh meat is difficult, the so-called fresh meat in the existing market appears in the form of frozen yak meat. With the improvement of the living conditions of people, the requirements of people for foods are also gradually increased. Due to the defects in the processing mode, the existing frozen yak meat still has problems of being heavy in mutton flavor, rough in meat quality and too tough for people to chew. The invention provides a processing method of chilled yak meat. The processing method of chilled yak meat comprises the steps of slaughtering, acid discharge, cutting, packaging and transporting.

A system and method for the purification and biodeodorizing of a gas are disclosed. The system is highly adaptable and capable of operating in a variety of modes to tailor performance of the system to specific odor control applications. The scrubber stages of the system may each be maintained at different conditions to selectively promote bacterial activity that targets a variety of odorous constituents. The pH level of the irrigation fluid provided to each scrubber stage may be controlled.

The invention discloses an exudate self-adjusting composite dressing and a preparation method thereof. The dressing consists of a contact layer composed of a porous super-hydrophobic modified polyurethane film and a porous antibacterial super-hydrophilic composite film, water absorption foam serving as a middle layer, and a breathable adhesive tape serving as an outer layer. The preparation methodcomprises the following steps: superposing and combining a polyurethane film subjected to graft modification to realize super-hydrophobicity and an antibacterial super-hydrophilic film taking polyvinyl alcohol as a base material so as to form the contact layer, and performing punching, wherein the pore diameter is 50-300 microns; and bonding the contact layer with the medical water absorption foam, and bonding and covering a breathable film on an obtained product. According to the exudate self-adjusting composite dressing, through the design of the super-hydrophobic film / antibacterial super-hydrophilic contact layer and the coordination effect of the four layers, the exudate self-adjusting function is achieved, wound exudate can be absorbed, the surface of a wound is kept moist, wound healing is promoted, impregnation can be prevented, bacteria are resisted, infection is prevented, and surrounding skin is protected.

The invention discloses a self-heating food heating bag. The heating bag is formed by assembling an outer packaging bag and a heating composition packaged in the outer packaging bag, the heating composition is prepared by mixing the following substances in percentage by mass: 25%-45% of aluminum powder, 20%-43% of calcium oxide, 5%-10% of sodium hydroxide, 1%-5% of carboxymethyl cellulose, 2%-7% of polyethylene glycol, 1%-4% of zeolite powder, 1%-4% of sodium chloride, 1%-4% of activated carbon and 0.5%-2% of graphite powder. The self-heating food heating bag is not limited by time and placesin use, free of open fire, safe, reliable, long in heat generation duration, high in heating efficiency, environmentally friendly, sanitary and capable of meeting the requirements of consumers in multiple areas. Meanwhile, exothermic reaction is quick and controllable, the price is low, and the method can be well applied to the field of self-heating food.

An air purification system and apparatus including a housing, the housing incorporating various deflectors therein, and which support one or more blowers, for drawing contaminated air in through and intake grill and filter, and passing it through the housing, and its deflectors, into a confined space in proximity with one or more ultraviolet lamp, to attain air purification, before the air is forced by the deflectors out of an exhaust outlet for the housing and back into the room as purified air.

The invention discloses a low-smell low-VOC modified thermoplastic elastomer material. The low-smell low-VOC modified thermoplastic elastomer material is composed of 5 to 35 parts of polyethylene resin, 10 to 40 parts of SEBS, 10 to 50 parts of food-grade paraffin oil, 0.1 to 1.0 part of an anti-oxidant, 5 to 35 parts of calcium carbonate, 0.1 to 0.5 part of a lubricant, 0.01 to 1.0 part of an acid absorption agent, and 0.1 to 1.0 part of an anti-aging agent. According to a preparation method, low smell and low VOC content raw materials are adopted, small amounts of auxiliary agents such as the anti-oxidant, the lubricant, the acid absorption agent, and the anti-aging agent are adopted for chemical reaction with small molecules generated in preparation process, so that material smell and VOC content are reduced thoroughly. In material preparation process, different temperature zones are adopted to ensure full plasticizing of rubber materials in a screw, so that generation of small molecular substances in material preparation process is reduced greatly, and in addition, modified calcium carbonate is adopted, the internal mutually nested channels are adopted in absorption of small molecular substances and prevention of escape of the small molecular substances. After using as long as one year, the smell grade of the low-smell low-VOC modified thermoplastic elastomer material is equal to or lower than 3 grade, and VOC content reaches index required in GB / T27630-2011.

The invention discloses a cultivation method for controlling bacillus not to generate odor, and belongs to the technical field of microbial fermentation. The method comprises the steps that glucose or glycerinum is added into a fermentation medium containing 0.5% of yeast powder, 1% of peptone and 1% of NaCl, and the concentration of the glucose or the glycerinum is controlled, so that no odor is generated in the bacillus fermentation process, wherein the pH of the fermentation medium is 7.0, Both the addition amount of the glucose and that of the glycerinum are 2-3%. The method achieves the technical effect of controlling bacillus not to generate odor, and the problem that the influence is caused by odor generated by bacillus added into the food fermentation process on the food quality is avoided.

The invention relates to a suspension type animal fixing device. According to the invention, an object carrying platform is made from flexible materials, ear notches are arranged at one side of the object carrying platform, hind limb notches are arranged at the other side of the object carrying platform relative to the ear notches, forelimb notches are arranged between the ear notches and the hind limb notches, bonding devices are respectively arranged at end parts of the object carrying platform close to the ear notches and the hind limb notches, and form an animal head accommodating chamber and an animal hip accommodating chamber when being folded, an excrement collecting device consists of an excrement collecting opening and an excrement collecting barrel, the excrement collecting opening is formed on the object carrying platform, and is positioned between the two hind limb notches and near to the back, the excrement collecting barrel is arranged on a base frame, and the excrement collecting opening is orthographically projected on the base frame. As the object carrying platform is made from the flexible materials, is soft in texture, and is fixed in a suspending manner, and moreover hollows are introduced, an animal cannot find leveraging points in the struggle, thereby getting a higher comfort level, so that panic degree of the animal is greatly lowered, internal environment of the animal per se tends to be stable, and therefore errors are reduced during a pharmaceutical experiment.

Disclosed are an electric dust remover and a head of electric dust remover. The electric dust remover includes: an electric blower (7) for generating a suction air flow for drawing in dirt; a dust collecting chamber (6) communicating with the electric blower (7), for catching and collecting dust; an exhaust portion (9) for exhausting air from the motor driven blower (7) into the atmosphere; a suction head (4) in communication with the dust collecting chamber (6) and an ion generator (13) for generating negative, positive, or both ions, disposed on the a part of a communication passage between the suction head (4) and the exhaust portion (9). Ions generated by the ion generator (13) can deodorize the dust and improve dust collecting performance for collecting dust from a surface to be cleaned.

The invention relates to a microbial wastewater treatment system, comprising a filter tank, a bioreactor, a settling tank and a disinfecting tank which are connected in sequence via a pipeline. A grille is arranged in the filter tank; the bioreactor is filled with a biofiller; the filter tank is provided with a water inlet; the disinfecting tank is provided with a water outlet; the wastewater treatment system also comprises a drug feeder including a trace nutrient storage tank and a drug feeding pipe; an outlet of the drug feeding pipe is extended to the inner lower portion of the bioreactor and is not in contact with the bottom of the bioreactor; the wall of the part, extended into the bioreactor, of the drug feeding pipe is provided with drug release holes. The microbial wastewater treatment system can promote the growth of facultative bacteria in a microbial system and increase degrading efficiency of organic pollutants, can effectively improve the ecological environment of wastewater, control odor and improve water quality, enables water to flow out more stably, and can decrease water content of sludge and reduce the amount of sludge to be treated, thereby saving treatment costand saving power.

The invention relates to the technical field of tobacco processing and in particular relates to cut stems for cigarettes and a preparation method thereof as well as the cigarettes. The preparation method comprises: carrying out size screening, microwave expansion, stem washing, pressure stem wetting, ultrafine stem pressing, stem cutting, cut stem feeding and cut stem storage on tobacco stem material to obtain a cut stem crude product; taking the cut stem crude product and carrying out cut stem drying; winnowing, adding aroma into the cut stems and storing the cut stems to obtain the cut stems for the cigarettes. According to the preparation method provided by the invention, a previous stem size is pre-treated; meanwhile, expanded stems with a specific specification are obtained through utilizing a microwave technology; then the cut stem crude product is obtained through adopting an ultrafine stem pressing and primary shredding technology; finally, the filiform cut stems are obtained through utilizing a pipe plate drying technology. An experiment result shows that compared with the cut stems prepared by a traditional method, the cut stems for the cigarettes, prepared by the method, have the advantages that the sensory quality is greatly improved, the color and luster are improved, the aroma quantity is more sufficient, odor and irritation are alleviated, the aftertaste is more comfortable, and the ratio of doping the cut stems into cut tobaccos is improved.

The invention relates to a preparing method of peptide-containing dietary fiber powder and the prepared peptide-containing dietary fiber powder. The preparing method comprises the steps of pretreatment of fiber raw materials; superfine pulping through a thermal method; enzyme hydrolysis, wherein superfine fiber pulp obtained after superfine pulping through the thermal method in step 2 is subjectedto protease hydrolysis or compound enzyme hydrolysis, polypeptides and small-molecule peptides are generated in the superfine fiber pulp after the superfine fiber pulp is subjected to enzyme hydrolysis, and then peptide-containing fiber pulp is prepared. According to the preparing method, the process steps are simple, the production cost is low, no bean dregs are discharged, soybean fibers are all utilized, and sufficient utilization of full-soybean resources is facilitated; meanwhile, environmental pollution can be avoided, and promotion of traditional bean product industries is facilitated.

The invention discloses a low-temperature fermentation flavor large yellow croaker and a preparation method thereof. The preparation method comprises the following steps: pretreating a large yellow croaker, punching the fish meat, salting, performing low-temperature fermentation, and performing ultrasonic vacuum drying, thereby obtaining the product. The whole production process is almost performed at low temperature, and the color, freshness, taste and nutritional ingredients of the large yellow croaker can be well preserved.

A treatment for pruritus is described that is based upon amylase. The amylases (α-, β-, γ-amylase) are noted for the cleavage of the α-glycosidic bonds of polysaccharides, yielding lower molecular weight carbohydrate / sugar fragments. It has now been found that α-amylase is effective in the reduction of pruritus (itching) of affected tissue.

The invention discloses a low-oxygen drying method and device for pneumatic drying of tobacco. According to the low-oxygen drying method and device for the pneumatic drying of the tobacco, a pressure detector and an oxygen content detector are installed on a pneumatic drying device, a damp discharging valve is installed on a damp discharging pipeline, a steam injection device is installed on a pipeline extending into a hot blast stove, an interlocking control relation of the pressure P detected by the pressure detector, the oxygen content O2 detected by the oxygen content detector, the steam injection flow Q and the open degree of the damp discharging valve is established through a control system, and the oxygen content of the system is adjusted by the changing of the steam injection amount or the changing of the pressure value of the system. According to the low-oxygen drying method and device for the pneumatic drying of the tobacco, low-oxygen drying control of a pneumatic drying process of the tobacco can be achieved, the oxygen content of the system is adjusted through two regulating variables, odor of the dried tobacco can be effectively controlled, and safe running of the device is guaranteed. The low-oxygen drying device for the pneumatic drying of the tobacco is simple in structure and reliable in operation.

The invention discloses a novel efficient amine liquid decoking powder purification device which comprises an amine liquid tank B, a machine pump, a filter press, an amine liquid tank A, a thermo-stable salt adsorber, a 5mu m filter, an activated carbon filter, a 10mu m filter, an amine liquid inlet, a valve A and a valve B, wherein the 10mu m filter and the 5mu m filter are respectively connected in parallel at the left end and the right end of the activated carbon filter, and then an efficient suit filtering separation device is formed; the amine liquid tank A, the machine pump, the valve B, the suit filtering separation device and the thermo-stable salt adsorber form a circulation closed loop; and multiple times of efficient filtration and purification can be implemented according to demands. Compared with the prior art, the novel efficient amine liquid decoking powder purification device has the characteristics of being convenient to mount, simple to operate, stable to operate and capable of effectively purifying coking powder in an amine liquid, improving product quality, reducing corrosion and replacement of devices and lowering the cost.

Methods to control and suppress odor in papermaking sludge are described. One method involves admixing sludge from a papermaking process and cyclodextrin to provide treated sludge with the cyclodextrin present in an effective amount to control odors in the treated sludge. The deodorized sludge may be used as a component of resin-wood composite products, such as composite decking materials, walls, flooring, casting forms, and the like.

The invention belongs to the technical field of kitchen waste wastewater treatment, and particularly relates to a kitchen waste wastewater treatment system and a treatment process thereof. The system comprises a residue slurry tank, a three-phase separation unit, an adjusting tank, an air floatation tank and a biochemical tank which are communicated in sequence, and the slag slurry tank is used for mixing kitchen waste wastewater to be treated with activated sludge. The residue slurry tank can control odor before the kitchen waste water enters the treatment process and is convenient for dehydration separation, the activated sludge and the kitchen waste water can adsorb the oil phase in slurry after being combined, and the kitchen waste water is mixed with the sludge and a first flocculating agent, so that the dehydration efficiency can be further improved. The system can control the odor in the kitchen waste wastewater, and simplifies the treatment process of the kitchen waste wastewater.

The invention discloses a urine treatment system. The system comprises a phosphorus removal tank, a photocatalyst biochemical tank, a micro-battery biological oxidation tank and special material-modified activated carbon. Decomposition, deodorization and purification are achieved when urine is treated, so the pollution to the environment is reduced, peculiar smell can be effectively controlled, and even if the system is continuously used by a person, the system still runs normally to control the peculiar smell; the system does not need to be washed with water, so water can be effectively saved, and installation and operation are convenient; and the photocatalyst biochemical tank kills bacteria by breaking walls, so macromolecular organic matters are converted into micro-molecular organicmatters, and preparation is made for later biochemical reaction; and a compound microorganism is extracted from the nature and is domesticated, and a special carrier is grafted with the compound microorganism population in order to remove pollutants in high-nitrogen and high-COD sewage such as urine.

The invention belongs to the technical field of waste recycling and animal feed preparation, and discloses a fermented feed for hermetia illucens hatching. The feed comprises the following componentsby the mass percentage: 30-40% of kitchen waste fermentation residues, 20-30% of auxiliary materials, 10-30% of wheat bran, 10-20% of corn flour, 3-5% of sweet potato vine powder, 0.3-2% of feed composite vitamins and 0.1-3% of bacillus subtilis probiotics. The newly hatched hermetia illucens sucks liquid nutrition; after most of the fermented feed is subjected to enzymolysis and water adding forblending, more nutrients are dissolved in water, utilization of hermetia illucens larvae is facilitated, the fermented hatching feed cannot mildew in the hermetia illucens hatching process (2-3 days),the survival rate of hermetia illucens and the like can be increased, and the peculiar smell of the feed in the hatching process is effectively controlled.

The invention discloses low-odor rolling oil for steel cold rolling. The rolling oil comprises the following components in percentage by mass: 0-30% of natural oil, 50-90% of synthetic lubricating grease, 0.8-4.5% of a surfactant, 2.0-6.5% of an extreme-pressure antiwear agent and 0.5-1.5% of an antioxidation additive. An emulsion prepared by using the rolling oil can effectively reduce the smellcaused by the natural oil with stink in the rolling oil, and the odor of the rolling oil is controlled to be at a very low level through reducing use of active sulfur compounds.