47results about How to "Increase in biofilm" patented technology

The invention discloses a hydrophilic and active biological film suspended carrier as well as the manufacturing method thereof. The carrier substrate adopts polyethylene or polypropylene resin, and hydrophilic and polymeric surfactant, biological enzyme accelerator and microbial affinant mixing granulations are added, thereby being molded by extrusion. The carrier is characterized in that firstly, the carrier has good hydrophilicity and mass transferring property; secondly, the carrier has the characteristics of catalyzing the oxidation reaction and the reduction reaction; thirdly, the carrier has microbial affinity; fourthly, the carrier has the characteristics of large specific surface area, fast biological film cultivation speed and high load impact resistance; and fifthly, the manufacturing cost is low, and the processing technology is simple.

An auto-lift environment-friendly material platform for planting of submerged plants comprises a planting platform and a fixture for fixing the planting platform and is characterized in that the planting platform comprises a frame and a bearing face, a diatomite layer serving as a growth medium and a palm fiber braid upper layer with reserved planting holes are arranged on the bearing face sequentially, the frame is provided with a light sensor for sensing underground light intensity, the light sensor is connected with a control system that controls a lifting device, and the planting platform is automatically liftably arranged on the fixture through the lifting device. The auto-lift environment-friendly material platform for planting of submerged plants is simple in structure and made of environment-friendly material, breaks the manual operation limits, is automatically lifted through the light sensor, allows submerged plants to be planted effectively under poor water transparency, and is low in cost, good in treatment effect and convenient to maintain.

The invention discloses a biological rotating disc in combination of non-woven fabrics package and biological carrier filler filling. The biological rotating disc comprises a plurality of biological discs, wherein cylindrical nets are arranged between every two adjacent biological discs; and the two ends of each cylindrical net are fixed on the corresponding biological disc. A rotary shaft sleeve passes through the centers of all biological discs and the cylindrical nets; and the rotary shaft passes through the rotary shaft sleeve and is fixed together with the rotary shaft sleeve and also can rotate synchronously therewith. The biological discs are made of macromolecule plastics and non-woven fabrics are covered outside the biological discs. The two ends of each cylindrical net are provided with biological membrane protection nets parallel to the biological disc corresponding to the cylindrical net; and each filler chamber is divided into three small filler chambers by three filler chamber filters. The biological disc disclosed by the invention has short membrane hanging circle; the biological discs on the disc have excellent adhesion properties; the matrix in the biological discs can be uniformly mixed; the transferring effect is excellent; and the pollutant removal performance of a reactor is improved.

The invention provides a sewage biochemical processor, comprising a shell body, a water distributor, an aerator, filling materials, a supporting board and a mud-water-gas separating device that are arranged in the shell body, an inlet tube, an outlet tube and a mud discharging tube that are connected with the shell body and arranged outside the shell body, and gas gathering holes arranged at the top part of the shell body. The invention is characterized in that: the mud-water-gas separating device is formed by inclined boards or inclined tubes that are arranged on the upper part of the shell body in an inclined way and in parallel with each other, a drug feeder is arranged between the filling materials and the mud-water-gas separating device in the shell body and connected with a drug feeding tube arranged in a drug feeding device outside the shell body, and a return tube, the upper end and the lower end of which is communicated with the outlet tube and the inlet tube, is provided. The invention has reasonable and compact structure and compound filling materials that are in reasonable arrangement, thus, biochemical effects of biological oxidation, flocculation and absorption, etc. to the sewage and physical and chemical effects of filtration, micro-flocculation, sedimentation, etc. can be completed in the same tank body, thereby having the advantages of high treatment efficiency, rapid start, low cost, simple operation, easy maintenance and lower operating cost.

The invention relates to a highly effective hollow cancellate spherical suspended filler, which comprises hollow grid spherical plastic (1) and flexible rough weaving fibers (2). The hollow grid spherical plastic (1) is hollow cancellate spherical plastic. The character of the flexible rough weaving fibers (2) is flexible and rough fiber. The flexible rough weaving fibers (2) are enlaced on the hollow grid spherical plastic (1). The filler has simple structure, does not waste most area of the fibers because the fibers are filled in the hollow grid spherical plastic, can enlarge organic membrane amount and the contact area with the sewage at the same time that the cost of the whole suspended filler is not changed, has quick suspended filler membrane forming speed and a great deal of organic membrane, improves the removing efficiency of the system, and has very good removing effect in particular to NH3<-N>.

The invention relates to a microbial preparation for processing industrial fermentation wastewater. The microbial preparation is prepared by mixing nitrosobacterium, Trichoderma longibrachiatum Rifai, aerobic denitrifying bacterium, acinetobacter baumannii, aspergillus niger, alcaligenes faecalis, Streptomyces lateritius, Candida albicans, Paenibacillus polymyxa and an adsorbent carrier. The microbial preparation contains multiple microbes having excellent ability of degrading non-biodegradable pollutants. Through reasonable compatibility between various strains, the microbial preparation has a good degradating effect and has a wide application prospect.

The invention discloses a honeycomb modified biological stuffing applied to water treatment and a preparation method thereof. The stuffing is prepared from a macro molecule base material, the cross section of the stuffing is of a honeycomb structure, and activated carbon particles are embedded in and distributed on the internal and external surfaces of honeycombs of the stuffing. Compared with common biological stuffing in the prior art, the modified honeycomb biological stuffing has the advantages that hydrophily is stronger, the mass transfer performance and the attached biomass are increased, the aeration impact resistance and the load impact resistance are improved, and the microorganisms are easily attached and grow, thereby shortening the biofilm formation period.

The invention belongs to the field of water body purification, and in particular discloses a carrier for microbial purification of a water body and a manufacturing method of the carrier. The carrier for microbial purification of the water body consists of a central rope formed by twisting folded single-core cable lines and basalt fiber bundles which are spirally arranged along the outer side of an insulating layer of each single-core cable line in sequence, wherein the basalt fiber bundles are twisted and clamped into the two folded single-core cable lines. The carrier for microbial purification of the water body, disclosed by the invention, has the characteristics of large tensile strength, no filament looseness, easily-expanded filaments, uniform distribution, large specific surface area, long service life and the like, and can be widely applied to a biological treatment process of wastewater.

The invention belongs to the technical field of fermentation production of amino acids, and discloses a production technology of purified glutamic acid. The technology comprises the following steps: 1, separating mycoproteins; 2, preparing crystals; and 3, carrying out biological oxidation. Finished glutamic acid prepared in the invention has the advantages of high purity, good color feeling, and uniform crystal grain; and a fermentation mother liquor processing method has the advantages of simplicity, feasibility, low cost and good treatment effect.

The invention relates to a novel aerobiont fluidized bed reactor and a technology thereof. The novel aerobiont fluidized bed reactor comprises a reactor tank, a water outlet, an exhaust valve, an air inlet, a water inlet, a sludge discharge pipe, swastika-shaped biological stuffing, an outer support, a flow meter, a water inlet pipe and a tilted plate settling pond. The technology for treating sewage by means of the novel aerobiont fluidized bed reactor comprises the steps that 1, sludge is acclimated; 2, the biological stuffing is added; 3, sludge is discharged after aeration is performed; 4, sewage is led in and then aeration is performed; 5, sludge is discharged; 6, the COD removal rate is calculated; 7, the fourth, fifth and sixth steps are repeatedly executed, and the amount of sewage to be treated and the sewage amount are increased gradually after the COD removal rate is higher than 50%; 8, the amount of the sewage to be treated reaches 25-50% of the effective volume of the reactor tank, and water outlet and backflow are started when the COD removal rate is higher than 80%; 9, the treated water is drained into the tilted plate settling pond through the water outlet.

The invention discloses a combined biological turntable reactor for implementing a one-step autotrophic nitrogen removal process. A plurality of biological discs, an aeration device and an inner heating device are arranged in a reaction container; and water outlets are arranged on the wall of the reaction container. A cylindrical net is arranged between two adjacent discs, the cylindrical nets are fixed on the discs, and a rotating shaft sleeve penetrates through the centers of all the discs and the cylindrical nets. Each disc is made of macromolecular plastic and is wrapped by a non-woven fabric layer; and a biological film protective net is arranged at each of the two ends in each cylindrical net. A plurality of water outlets are positioned at different heights of the wall of the reaction container; and a reactor cover capable of being opened and closed is arranged on the top of the reaction container, and a gas collecting device and a dissolved oxygen control hole are arranged on the reactor cover. According to the reactor, the film forming periods of the discs and a filler are short, the attachment performance of the filler is good, the matrix in the reactor is mixed uniformly, and the mass transfer effect is good; and dissolved oxygen in the reactor is easy to control, the nitrogen removal performance of the reactor is enhanced, and the running cost and the energy consumption are reduced.

The invention relates to the field of the treatment of amino acid fermentation waste liquid, and discloses a preparation method of a composite biological agent for restoring threonine fermentation waste liquid. The preparation method comprises the steps of preparing a biological carrier, preparing composite microorganism liquid and preparing the composite biological agent. The preparation method is unique, the prepared biological agent is little in consumption and low in cost, and the capability for treating the pollutants is greatly improved.

The invention discloses a biological agent for treating ammonia-nitrogen wastewater. According to the formulation, the biological agent is prepared from 10-15 parts of N-fatty acyl amino acid salt, 12-30 parts of dipotassium phosphate, 2-15 parts of glucose, 20-25 parts of silica gel powder, 3-8 parts of ammonium sulfate, 1-4 parts of polyvinylpyrrolidone, 30-50 parts of mixed bacterium liquid and 15-25 parts of water. All microorganisms are reasonable in compatibility, coexist and coordinate, and do not generate antagonism, the biomass is large, and reproduction is fast.

The invention belongs to the technical field of glucose production, and discloses a clean production technique of crystalline dextrose, which comprises the following steps: 1) separating waste liquor; 2) preparing a biological carrier; 3) preparing a biological agent; and 4) carrying out biological oxidation treatment. The clean technique for treating crystalline dextrose waste liquor is simple and feasible, and has the advantages of favorable pollutant removal effect and low cost.

The invention discloses a mixed oxygenate-microorganism immobilization biological enhanced artificial floating island which comprises a photovoltaic water pump system, a water flow raising system, a Venturi gas inlet system, an upper floating body and a lower floating body, wherein the upper floating body floats on water; the Venturi gas inlet system comprises a longitudinally arranged Venturi pipe with openings formed in the two ends and a plurality of gas inlet pipes which is communicated with the throat of the Venturi pipe; an gas inlet hole of each gas inlet pipe is above the water level;the water flow raising system longitudinally penetrates through a floating body; the bottom of the water flow raising system is connected with an upper part straight cylinder of the Venturi pipe; thebottom of a lower part straight cylinder of the Venturi pipe is communicated with a water inlet hole of the photovoltaic water pump system; plants in the upper floating body and the lower floating body have the purification effect on the water quality; pollutants such as nitrogen, phosphorus and organic matters in water can be effectively degraded through biological membranes; and spherical fillers in the floating body greatly strengthen the adsorption and degradation effect on the pollutants. The mixed oxygenate-microorganism immobilization biological enhanced artificial floating island provided by the invention can greenly run with low carbon, can economically and efficiently improve the water quality of water bodies in shallow river lake and reservoirs in situ without power consumptionand controls eutrophication of the water body.

The invention belongs to the technical field of sewage treatment, and provides a double-tank synchronous nitrification and denitrification process based on a carbon source slow-release suspended biological carrier. Firstly, poly (butylene succinate), bamboo powder and natural clinoptilolite are added into a biological carrier, so that the carrier has the capabilities of slowly releasing a carbon source, adsorbing ammonia nitrogen and enriching nitrifying bacteria in the early stage of biofilm formation, and the biofilm formation performance is improved. Secondly, the reactor is divided into two tanks with the volume ratio of 1: 1, each tank is provided with an aeration disc and a stirrer, two-tank alternate continuous flow or two-tank alternate intermittent flow water inflow is adopted, a water inlet tank in the current period is an aeration tank in the last period, and microorganisms are in a starvation state, then a large quantity of external carbon sources can be stored and converted into internal carbon sources during water inflow, and used for a later denitrification process, so that under the condition of low-carbon-nitrogen-ratio inflow water, the removal of nitrate is enhanced, the synchronous nitrification and denitrification nitrogen removal effect is enhanced, and the effluent ammonia nitrogen and total nitrogen concentration can meet the up-to-standard discharge requirement.

The invention belongs to the technical field of grain further processing and discloses a production method for preparing starch sugar. The production method comprises the following steps that 1, corn starch is prepared; 2, enzymatic hydrolysate is prepared; 3, starch sugar is prepared; 4, waste liquid is processed. By means of the production method for preparing the starch sugar, the technical barrier in the prior art that the waste water of the starch sugar is hard to process is overcome, the technology is simple and practicable, the cost is low, and the processing effect is good.

The invention belongs to the field of biotechnologies, and discloses a biological preparation for monitoring and treating industrial waste water. A method for manufacturing the biological preparation includes 1), weighing raw materials; 2), smashing and grinding the raw materials; 3), stirring and drying the raw materials; 4), manufacturing mixed liquid; 5), manufacturing the biological preparation. The biological preparation has the advantages that ammonia nitrogen, sulfide and aniline substances in the industrial waste water can be effectively removed by the biological preparation, and accordingly emission standards can be completely met.

The invention belongs to the field of fermentation waste liquid treatment in the biological fermentation industry, and discloses a method for treating threonine fermentation wastewater by using biochemical technology, which includes the following steps: step 1) preparing a carrier, step 2) preparing a biological agent, step 3) biological deal with. The biotechnology method of the invention for treating fermentation waste water is simple and feasible, has good treatment effect and low cost, and is suitable for popularization and use.

The invention belongs to the technical field of amino acid fermentation wastewater treatment and discloses a treatment method for L-arginine fermentation waste liquid. The treatment method comprises the following steps: step 1) preparing a microbial carrier; step 2) preparing a microbial preparation; and step 3) carrying out microbial treatment. The method for treating waste liquid disclosed by the invention is simple and feasible, good in effect, low in cost and easy to be accepted by enterprises.