520results about How to "Reduce disposal costs" patented technology

A method and apparatus for transporting syringes containing radioactive material. The apparatus includes a radiopharmaceutical pig having an inner chamber in which a sharps container can be secured. The sharps container has a housing and an attachable cap. The method includes assembling the radiopharmaceutical pig so that the chamber of the radiopharmaceutical pig contains the syringe in the sharps container housing. The radiopharmaceutical pig is disassembled, where upon the syringe is removed, discharged, and then replaced in the sharps container housing. The cap of the sharps container is affixed to the housing of the sharps container, thus enclosing the contaminated syringe therein. The radiopharmaceutical pig is assembled so that its chamber contains the sharps container and the syringe. The radiopharmaceutical pig is transported to a disposal area, where it is disassembled and the sharps container containing the syringe is placed in a particular disposal container.

A method for the controlled delivery of a fracturing fluid to a well bore comprises formulating an aqueous base fluid such that it meets or exhibits desired physical and chemical characteristics for an optimal fracturing fluid. The formulation of the aqueous base fluid max involve commingling one or more sources of waste water with a source of fresh water followed by controlled injection of one or more additives. This process is substantially completed prior to delivering the aqueous base fluid to the well site. This allows the delivery of an optimal volume of the aqueous base fluid with homogeneously blended additives to the well bore.

A containerless tissue sample collection trap featuring, in the preferred embodiment, a flexible filter and an applicator having a shaft terminating in a distal end with a channel therein receiving a portion of the flexible filter, the combination of the applicator and the flexible filter receivable in a suction tube and configured such that when the applicator is removed, the flexible filter forms a removable elongated tissue trap in the suction tube. Also disclosed is a method of trapping tissue wholly within a suction tube thereby eliminating the need for a specimen trap container and a method of making a containerless tissue specimen trap.

An ink cartridge includes an ink chamber; a communication chamber that is capable of communicating with the ink chamber; a valve that is movable; a support disposed within the communication chamber, the support including a valve seat and an opening exposing a bottom of the valve at an approximately central portion, wherein the valve seat is adjacent to the valve at an outer periphery of the opening; and an urging device that extends from the valve seat, the urging device directly contacting the valve and urging the valve toward the valve seat, wherein the valve separates from the valve seat when a predetermined force is applied to the valve and the support and the urging device are formed as a one-piece member.

The present invention is directed to the removal of one or more selected target materials from various streams using a rare earth metal-containing fixing agent.

A process and system for treating waste water containing contaminants to prevent excessive accumulation on demineralizer media of a driver contaminate capable of such accumulation before another contaminant can reach a predetermined level of accumulation. The waste water is treated upstream of the demineralizer media with removal means for specifically removing the driver contaminant while leaving the other contaminant for subsequent removal by the demineralizer media. The amount of accumulation on the demineralizer media of the other contaminant is monitored, and the supplying of treated waste water to the demineralizer media is terminated when its accumulation reaches the predetermined level.

A system for dispensing product includes a track support, the track support comprising a one-piece frame and a roller assembly slidably engaged with the one-piece frame, the roller assembly including a first lobed roller and a second lobed roller. The system further includes a valve assembly attached to a base portion of the one-piece frame, wherein a flexible product filled bag is retainable between the roller assembly and wherein the roller assembly translates down the track support to force the product toward the valve assembly.

A plastic mulch retriever is disclosed comprising a body and at least one cutting or digging element mounted to the body to loosen plastic mulch embedded in the ground. A conveyor is mounted to the body rearward of the at least one cutting or digging elements to engage the loosened plastic mulch and remove at least some of the ground material attached to the extracted plastic mulch. At least one storage device is mounted to the body rearward of the conveyor to store the retrieved plastic mulch.

A rack jacket is disclosed. The rack jacket comprises a support member portion for covering an external surface of at least one of a plurality of support members, and a cross brace portion, for covering an external surface of at least one cross brace disposed between at least two of the vertical support member. The rack jacket is sized and shaped to conform to an exterior surface of the rack.

The invention provides a method for preparing multifunctional biological organic fertilizer and the technical scheme of the invention comprises fermenting bacillus subtilis, bacillus megaterium and bacillus mucilagimosus individually. The fermented bacterial liquid is adsorbed by rice husk separately. Three adsorbed single microbial inoculum is blended and grinded according to the proportion of 1:0.8-1.2:1.5-2.5 to obtain the compound microbial inoculum. The hydrolytic slag which is obtained in the production procedure of gourment powder after treatment is charged by trace element raw material and 4%-7% compound microbial inoculum with relative to total weight to obtain the needed compound microbe fertilizer. The method is simple in production technique, which facilitates to do batch production.

The invention discloses a method for treating wastewater from livestock and poultry breeding based on a vertical flow artificial wetland with water supply plant sludge as fillers, belonging to the technical field of wastewater treatment. The method is characterized in that water supply plant sludge is dried and crushed as fillers to construct a vertical flow artificial wetland for treating high-concentration wastewater from livestock and poultry breeding, wastewater from livestock and poultry breeding is allowed to enter the artificial wetland by stages and discharged out from the system for a certain hydraulic retention time under the condition of intermittent aeration. The pollutants such as organic substances, nitrogen and phosphorus in wastewater can be effectively removed by the treatment method disclosed by the invention and the total removal rates of ammonia nitrogen and total phosphorus are higher than 90%. According to the method disclosed by the invention, the problem of a way out for water supply plant sludge is also solved while wastewater from livestock and poultry breeding is effectively treated, and thus the method is conducive to achieving a purpose of "treatment of wastes with processes of wastes" and is in line with the concept of circular economy and sustainable development.

Cotton-like aggregates (B) containing grinding chips from an iron-based metal and a grinding fluid containing oil and water are compression molded thereby forming a brittle compact (C) in which the fibrous grinding chips are roughly sheared and which is removed of excessive water and oil. The brittle compact (C) is crushed for further finely shearing the grinding chips and then, the resultant grinding chips are mixed with a solidification assistant (D) for obtaining powder (E) containing the solidification assistant (D). The powder (E) is solidified by compression molding, thereby forming a water-containing briquette (F). A briquette (A) for use as steelmaking material, which contains powdery pure iron and oil, is obtained by removing the water from the water-containing briquette (F). Without crushing the brittle compact (C), it is also possible to form the briquette (A) for use as steelmaking material by impregnating the brittle compact (C) with the solidification assistant (D) and then drying th compact.

The invention belongs to the technical field of sludge reduction for cold rolling pickling wastewater in the steel industry, and discloses a method for sludge reduction for the cold rolling pickling wastewater in the steel industry. In the method disclosed by the invention, neutral salt wastewater and wastewater mixed with acid are completely and separately treated to obtain sludge containing hazardous wastes and general sludge respectively, and the sludge output of each unit is reduced by accurately adding chemical agents at each unit; in the technology for treating the neutral salt wastewater, caustic soda liquid is respectively added in a first stage neutralizing tank and a second stage neutralizing tank; in the technology for treating the wastewater mixed with acid, the treatment is performed by using a lime and austic soda liquid combination method; and in the treatment of a neutralizing tank, the pH value is controlled between 1.5 and 3.0, and the pH value during neutralization reaction is controlled between 8.2 and 8.7; and a flocculation process is adopted after the neutralization reaction, polyaluminum chloride, polyacrylamide and other flocculants are added for reacting and are mixed so as to enlarge pollutant particles. By use of the method, the output water can stably reach the standard, and the water treatment cost per ton is reduced.

The present invention provides a composition comprising a polymer of a β-hydroxy short-medium chain fatty acid, which is used for delivering the β-hydroxy short-medium chain fatty acid or an oligomer thereof to the large intestine. In case the composition is administrated orally, the composition will be delivered to the large intestine, without being degraded in the stomach or short intestine, and degraded by the large intestinal bacterial flora and release the short-medium chain fatty acid or an oligomer thereof. The released short-medium chain fatty acid or an oligomer thereof has useful physiological activities and is effective for treating or preventing inflammatory diseases or cancer in the large intestine.

The invention discloses a landfill leachate treatment method for a garbage transfer station. Firstly a flocculation method is used to remove particulate matters and part of heavy metal ions in a leachate to reduce the subsequent treatment pressure and reduce the treatment cost, the leachate is further treated by an electrolysis air flotation manner to remove fine particles and impurities in the leachate, the high concentration ammonia nitrogen in the leachate is removed by a stripping process, microorganisms are used to remove the organic matter pollution in the leachate, finally the leachateis subjected to deep treatment, and the selection matching is carried out according to requirements of outlet water to ensure that the discharge of wastewater is up to standards. The method does not use an anaerobic treatment process, reduces the generation amount of odor gases, is beneficial to the environment of a treatment zone, avoids the occurrence of biogas combustion, improves the safety ofthe entire apparatus, and is more practical. The method can make discharge indexes of the wastewater obtained after the landfill leachate treatment meet requirements, and thus the method is environment-friendly and practical.

The invention discloses a sludge recycling technique which comprises the following steps: sending sludge to a drying machine to carry out low-temperature drying; separating sludge and fume from the drying machine by a gas-solid separator; sending the separated dry sludge to a dry distillation machine to carry out dry distillation; carrying out deficient-oxygen or no-oxygen dry distillation while keeping the temperature of the dry distillation furnace at 150-800 DEG C, wherein organic substances in the sludge are subjected to cracking reaction in the dry distillation process to produce abundant high-heat-value combustible gas which can be used as a fuel, and the fume generated by the dry distillation furnace is discharged after being subjected to waste heat utilization and purification; and after the dry distillation finishes, cooling the residual solid slag to below 50 DEG C by a slag cooling machine, thereby obtaining biological carbon. By using sludge drying+dry distillation technology, the sludge is prepared into the biological carbon for soil amendment, thereby thoroughly solving the problem that the sludge is hard to treat; and the invention does not need subsequent treatment or produce secondary pollution, has the advantage of low treatment cost, and can thoroughly change waste sludge into valuable substances, thereby implementing recycling and cyclic utilization.

A method of manufacturing material suitable for the construction of a component of a fuel cell, such as a flow field plate or electrode, is provided. Uncured resin impregnated flexible graphite sheet is ground into particles. Without re-expanding the particles, and without adding further resin to the particles, the particles are molded into the form of the desired material. The material is then cured. Additives may be mixed with the particles to improve the properties of the material.

Cotton-like aggregates (B) including grinding chips from an iron-based metal and a grinding fluid containing oil and water are compression molded for forming a brittle compact (C) having the fibrous grinding chips roughly sheared and excessive water and oil removed therefrom. The brittle compact (C) is crushed for further finely shearing the grinding chips and the resultant grinding chips are mixed with a solidification assistant (D) for producing an iron-based powder material (E) containing the solidification assistant (D).

A resource utilization method of paint slag includes the following steps that (1) pretreatment and separation are conducted, specifically, the wet paint slag is pretreated through a grinding modified spray drying method and separated into two components which are powdery or granular slag and organic matter waster liquid, or the wet paint slag is pretreated and separated into two components which are solid slag and organic matter waster liquid through an acid-modified baking hardening treatment technology; and (2) the water-containing organic matter waster liquid obtained in the step (1) is placed in a stirring tank, an emulsifying agent and a modifier are sequentially added into the water-containing organic matter waster liquid with constant stirring, uniform stirring is conducted, and a product is obtained. According to component characteristics of the wet paint slag, the wet paint slag is pretreated and separated into the two components which are the solid slag raw material convenient to use and the organic matter waster liquid containing volatile matter, namely water, and then the water-containing organic matter waster liquid is made into the liquid-state coal clean combustion improver; and the process method is simple, safe and free of secondary pollution, takes effect rapidly, is low in treatment or utilization cost, and is good in economical efficiency.