93results about How to "No foul smell" patented technology

A harmless processing comprehensive utilization technology for life garbage is mainly used for solving the technical problems such as non-environmental protection of prior life garbage processing manner. The technical proposal mainly comprises the following steps of: separating and screening raw life garbage to separate recyclable waste materials such as paper, plastic and heavy metals for recycling and reusing, and combustible materials such as plants and waste clothes for burning in a burner; and then crushing the rest garbage, sieving, sorting, adding active bacteria, stirring completely, feeding into a high-temperature fermenter, and fermenting to obtain organic fertilizer and nutrient soil. According to the invention, the full process for processing the life garbage including fermenting, decomposition, deodorization, sterilization, purification, concentration and discharge only takes 18 to 30 hours, the volume of the waste materials can be reduced by about 30% to 70%, and high-quality organic fertilizer and nutrient organic substrate excellent in color, odor and nutrient can be produced. The process is energy-saving and environment-friendly, and can be widely used to process and reuse the life garbage.

The invention provides a method and a device for synchronously dehydrating and recycling oil from oil-containing sludge. The method comprises the following steps: mixing oil-containing sludge with a conditioning chemical, and preheating; further heating the oil-containing sludge and the conditioning chemical to carry out a hydrothermal reaction so as to obtain hydrothermal oil sludge; carrying outflash evaporation rapidly to achieve separation of steam, oil gases and solid-phase residues, wherein generated flash vapor is adopted for preheating to achieve heat recycling; carrying out filter pressing dehydration on separated flash evaporation oil sludge, thereby obtaining a solid-phase residue and liquid-phase oil-water mixture; and standing and layering the oil-water mixture, recycling oilfrom an upper layer, and recycling organic wastewater from a lower layer, wherein the conditioning chemical is composed of a heat-sensitive metal oxide, a catalyst and a demulsifier. By adopting theprocess, good reduction and oil recycling effects can be achieved at a low hydrothermal temperature, the reaction energy consumption can be greatly reduced, the COD (Chemical Oxygen Demand) of a generated waste liquid can be greatly reduced, in addition, the toxicity is degraded, and biochemical treatment can be facilitated.

The invention provides a method for extracting aroma and flavor-producing substances from splenic edema, comprising the following steps: obtaining splenic edema liquid through pre-filtering the splenic edema; reducing the pressure of the splenic edema liquid; controlling the negative pressure between 0.5 and 1.0 MPa; maintaining the temperature between 45 and 80 DEG C; extracting the volatile aroma and flavor-producing substances with the alcohol content higher than 10 percent (voL); controlling the negative pressure between 0.8 and 1.2 MPa after the extraction in the first period; maintaining the temperature between 70 and 95 DEG C; extracting the involatile aroma and flavor-producing substances; and using a certain amount of aroma and flavor-producing substances with lower boiling points remained in water used by vacuum pumping as paste adding water after the completion of the extraction. The invention realizes the effective extraction by a pressure reduction vacuum pumping concentration extraction method, improves the extraction efficiency, reduces the cost, and improves the quality of the extraction liquid.

A paper pulping bleaching and waste purification integration technology comprises two technology stages of paper pulping bleaching and waste water purification; wherein the paper pulping bleaching technology stage comprises: (1) slicing; (2) solution preparing; (3) initial reaction by adding enzyme and medicament; (4) deep reaction by adding medicament; (5) sieving, sedimentation and grinding; and (6) pulp washing, bleaching and stabilizing to obtain paper pulp finished product; and the waste water purification technology stage comprises: (1) purification, sedimentation and separation; and (2) concentration, drying and sediment recovery. The invention combines chemistry and biology, pulping and bleaching are completed in the same container in an integration way, neither chorine element is required nor black liquor is produced during pulping and bleaching, COD, BOD, SS and chrominance in pulping water are reduced to the utmost extent, waste water of pulping can be reused in pulp washing after purification treatment, and finally zero discharge or standard discharge of the whole waste water of pulping is realized.

The invention discloses an iron-carbon microelectrolysis coupled submerged plant module and an application thereof. The module comprises a submerged plant system and an aeration system, the submergedplant system comprises planting baskets and submerged plants, the submerged plants are fixed in the planting baskets, the roots of the submerged plants are wrapped with an iron-carbon filler and are fixed, and the submerged plants are fixed in the planting baskets by ceramsite; and the aeration system is characterized by underground aeration or surface aeration. The iron-carbon microelectrolysis coupled submerged plant module is applied to the repairing of the black and odorous/eutrophic water to significantly reduce the chroma and odor thresholds of the black and odorous/eutrophic water within 2 d, and achieves no foul odor, significant increase of the transparency of the water, the COD removal rate of 70% or above, the ammonia nitrogen removal rate of 95% or above, the denitrification rate of 60% or above, the phosphorus removal rate of 95% or above, the dissolved oxygen concentration of 2.5-5.5 mg/L, the transparency of 35-70 cm and increase of the number of kinds of microorganismsin the water after 10 d.

The present invention provides one kind one continuous carbonizing method and apparatus. The method can treat great amount of matter without generating offensive odor, and has raised carbonizing efficiency, reduced fuel consumption and lowered cost. The continuous carbonizing apparatus includes long horizontal tunnel kiln comprising preparing zone, pre-heating zone, carbonizing zone, cooling zone and conveying zone successively; and re-burning deodorizing furnace performing heat treatment to gas exhausted from the tunnel kiln. The full carbonizing process from loading the matter to be carbonized into the storing boxes to discharging the carbonized matter is completed in the tunnel kiln.

The invention relates to faint scent-type cat litter added with camellia japonica. The faint scent-type cat litter is characterized by comprising the following components: 50 to 85 parts of plant wood chips, 5 to 10 parts of starch, 3 to 5 parts of an antimicrobial agent, 8 to 10 parts of sodium bicarbonate, 4 to 5 parts of a binder, 1 to 2 parts of super absorbent resin, 2 to 4 parts of camellia japonica and 5 to 10 parts of water. The cat litter provided by the invention has the beneficial effects of small density, high expansion and hygroscopicity, biodegradability, high antibacterial property, low bacterium breeding possibility, faint scent of camellia japonica, and capability of absorbing urine and feces without generating stink.

An apparatus for treating organic wastes material and a method for recycling as a liquid fertilizer is disclosed, in which the parasites and pathogens are all annihilated, and the treatment can be carried out at a relatively low cost. The aerobic thermophilic digestion bacteria are added into a closed treatment tank, and the tank accommodates an organic wastes slurry which includes animal manure, kitchen waste, sewage and the like. Then the treatment tank is aerated for promoting the proliferation of the aerobic thermophilic digestion bacteria. Thus, the organic wastes slurry is treated with a thermophilic fermentation. Then photo-tropic bacteria are added to convert the organic waste slurry into a liquid fertilizer. The slurry type organic waste are decomposed by utilizing the aerobic thermophilic digestion bacteria which stably flourishes at about 60 DEG C. Then the decomposing is continued by utilizing the photo-tropic bacteria, thereby finally obtaining the product in the form of a liquid fertilizer. The decomposing treatment can be continued for a long time at a high temperature, and the fermentation can be finished in a relatively short period of time without generating any foul odors. Further, parasites and pathogens can all be annihilated.

The invention discloses a method for preparing a biological organic fertilizer by using a fermentation tank. The method comprises the following steps of: (1) preparing a biological organic fertilizer fermentation tank; (2) mixing 60 to 70 weight percent of sludge, 30 to 40 weight percent of organic matters and 2 to 8 kinds of beneficial strains; (3) feeding the mixed materials into the fermentation tank, and fermenting in a sealed negative pressure environment; (4) controlling a heating mechanism, a humidifying mechanism, a turning, polishing and aerating mechanism and a strain adding mechanism to heat and humidify the materials, add the strains and turn, polish and aerate the materials in a reaction tank by using an automatic control system; and (5) extracting stink generated in the reaction tank by using an air extractor, feeding into environment-friendly equipment for treating, and fermenting and decomposing the materials in the reaction tank for 15 to 17 hours to obtain the biological organic fertilizer. By the method for preparing the biological organic fertilizer, fermentation time is short, the fertilizer is quickly discharged, production efficiency is high, the materials are driven to move forwards by a conveying belt, feeding, fermenting and discharging are connected, and the method is suitable for industrial production; and the stink is not generated in the production process, so the method is environment-friendly.

The invention relates to the field of exhaust treatment and relates to a three-phase catalytic deodorization process for RTO emission exhaust. The method is as follows: gas obtained after RTO is burn passes through a flue gas cooling tower and a three-phase catalytic deodorization device to achieve the effect of purifying the exhaust, wherein the flue gas cooling tower can be used for reducing the temperature of the gas while removing acid gas in the exhaust so as to ensure that subsequent devices can continuously and stably operate. The three-phase catalytic deodorization device is used for performing coupling catalysis gas, liquid, solid phases to degrade odor matters in the exhaust to achieve deodorization effect. The method has the advantages of being easy to operate, low in processing cost, small in device investment, and the like.

The invention relates to a type of rose-added cat sand with a fresh scent. The cat sand is characterized by comprising constituents including 50-85 parts of plant wood bits, 5-10 parts of starch, 3-5 parts of antibacterial agent, 8-10 parts of sodium bicarbonate, 4-5 parts of binder, 1-2 parts of super absorbent resin, 2-4 parts of roses and 5-10 parts of water. The cat sand provided by the invention has the beneficial effects that the density of the cat sand is low; expansion moisture absorptivity is high; the cat sand is biodegradable and has a high anti-bacterial property; bacteria breeding does not take place easily; and the cat sand has the fresh rose scent, so that no foul smell is generated after the cat sand adsorbs urine and faeces.

The invention discloses a detergent for removing sulfur scales. The detergent comprises a main solvent, a co-solvent, a phase activator and a phase stabilizer. The above product combines the advantages of a physical solvent and chemical cleaning, and the obtained detergent has the advantages of no offensive odor, no irritation, little corrosion to stainless steel and carbon steel, and realizationof stable phase system after dissolving the sulfur scales. The detergent subjected to sulfur removal allows sulfur in the system to form crystallized sulfur precipitated from the detergent system through cooling and other simple operating means; and the detergent can be continuously recycled, so the cleaning cost is reduced. The detergent also has the advantages of simplicity in preparation, no dangerous reaction, extremely small environmental influences, convenience in use, and convenience in onsite operation.

The invention discloses a harmless treatment technology for household garbage. The harmless treatment technology mainly solves the technical problems that an existing household garbage treatment method is not environment-friendly and the like. According to the technical scheme of the harmless treatment technology, firstly, a raw material of the household garbage is sorted and screened, recyclable waste articles such as paper, plastic and heavy metal are sorted out and recycled, a combustible such as plants and waste clothes are sorted out and are conveyed to a combustor to be combusted; and then the rest of the garbage is crushed and screened and then is classified, active bacteria are added into the classified garbage, and the active bacteria and the classified garbage are uniformly stirred and then are conveyed to a high-temperature fermentation machine to be fermented so as to prepare organic fertilizer nutrient soil. The harmless treatment technology has the advantages that the whole process that the household garbage is fermented, decomposed, deodorized, sterilized, purified, concentrated and discharged only needs 18-30 hours, the volume of the garbage can be decreased by about 30-70%, and a high-quality organic fertilizer with excellent color, smell and nutrients and a nutritional type organic matrix can be produced; and the harmless treatment technology is energy-saving and environment-friendly and can be widely applied to treatment and reutilization of the household garbage.