Microbial active filler containing paenibacillus sp., and application thereof
A technology of microbial activity and bacillus, applied in the field of environmental governance, can solve the problems of slow startup, easy shedding of load, poor acid and high temperature resistance, etc., and achieve the effect of short adaptation period, not easy to rot and deform, and not easy to lose
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[0044] Example 1: Identification of strains
[0045] Use the automatic magnetic bead nucleic acid extractor Smart LabAssist-16 and the corresponding environmental sample DNA extraction and purification kit (Taiwan Dot Nanotechnology Co., Ltd.) to screen the strain DNA for extraction and purification, and use the bacterial universal primer F16S-27 And R16S-1492 for PCR amplification, the primer sequences are:
[0046] F16S-27(5`-AGAGTTTGATCCTGGCTCAG-3`)
[0047] R16S-1492(5`-CGGTTACCTTGTTACGACTTC-3`)
[0048] The PCR reaction conditions were set as follows: pre-denaturation at 94°C for 5min; subsequent denaturation at 94°C for 30s, annealing at 56°C for 30s, extension at 72°C for 90s, and cycling for 25 cycles; then extension at 72°C for 10min; and finally at 4°C for 10min. Then the PCR product was ligated to the PMD-19T vector (Dalian Bao Biological Co., Ltd.), and then transformed into E. coli DH5α competent cells (Dalian Bao Biological Co., Ltd.). 50 μl of transformed competent ce...
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[0049] Example 2: A microbial filler for removing sulfur dioxide gas and its preparation
[0050] A microbial active filler for removing sulfur dioxide-containing gas, the filler is attached with a suspension of Paenibacillus sp. IB1, the Paenibacillus sp. IB1, the preservation number is CGMCC No. 10775, and the filler is polyurethane Foam block
[0051] The packing density is 15kg / m 3 , The porosity is 90%, and the particle size is 20mm;
[0052] The Paenibacillus IB1 is attached to the filler in the form of a bacterial suspension;
[0053] The mass ratio of the Paenibacillus IB1 suspension to the filler is 60:10;
[0054] The concentration of Bacillus IB1 cells in the microbial active filler is 1.1×10 6 CFU / g;
[0055] The preparation steps of the microbial active filler are as follows:
[0056] (1) Slant culture: prepare Paenibacillus sp. IB1 slant strain;
[0057] The composition of the Bacillus sp. IB1 slant medium is: glucose 0.5g, KH 2 PO 4 2.0g, NaHCO 3 2.0g, KNO 3 2.0g, NH 4 Cl 0...
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[0066] Example 3: A microbial filler for removing sulfur dioxide gas and its preparation
[0067] A microbial active filler for removing sulfur dioxide-containing gas, the filler is attached with a suspension of Paenibacillus sp. IB1, the Paenibacillus sp. IB1, the preservation number is CGMCC No. 10775, and the filler is volcanic rock ;
[0068] The packing density is 25kg / m 3 , The porosity is 55%, and the particle size is 10mm;
[0069] The Paenibacillus IB1 is attached to the filler in the form of a bacterial suspension;
[0070] The mass ratio of the Paenibacillus IB1 bacterial suspension to the filler is 36:10;
[0071] The concentration of Bacillus IB1 cells in the microbial active filler is 3.5×10 6 CFU / g;
[0072] The preparation steps of the microbial active filler are as follows:
[0073] (1) Slant culture: prepare Paenibacillus sp. IB1 slant strain;
[0074] The composition of the Paenibacillus IB1 slant medium is: glucose 0.5g, KH 2 PO 4 2.0g, NaHCO 3 2.0g, KNO 3 2.0g, NH 4 C...
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