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

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 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 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.