WO2015184935A1 - 一株高效底改芽孢杆菌及其制成的复合底改菌剂和应用 - Google Patents

一株高效底改芽孢杆菌及其制成的复合底改菌剂和应用 Download PDF

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WO2015184935A1
WO2015184935A1 PCT/CN2015/077473 CN2015077473W WO2015184935A1 WO 2015184935 A1 WO2015184935 A1 WO 2015184935A1 CN 2015077473 W CN2015077473 W CN 2015077473W WO 2015184935 A1 WO2015184935 A1 WO 2015184935A1
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bacillus
bacillus subtilis
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composite
water
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French (fr)
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张梁
石孔泉
唐旭彪
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Jiangsu Dayou Biological Developmental Co Ltd
Taizhou Lvshengyuan Biological Co Ltd
Jiangnan University
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Jiangsu Dayou Biological Developmental Co Ltd
Taizhou Lvshengyuan Biological Co Ltd
Jiangnan University
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Priority to EP15802344.0A priority Critical patent/EP3095855B1/en
Priority to US15/113,441 priority patent/US9828581B2/en
Publication of WO2015184935A1 publication Critical patent/WO2015184935A1/zh
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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    • C12N1/00Microorganisms; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20Bacteria; Culture media therefor
    • C12N1/205Bacterial isolates
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    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
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    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
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    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • C02F2101/166Nitrites
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/005Black water originating from toilets
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/007Contaminated open waterways, rivers, lakes or ponds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/02Odour removal or prevention of malodour
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/20Prevention of biofouling
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    • C12RINDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00Microorganisms ; Processes using microorganisms
    • C12R2001/01Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/07Bacillus
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    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12RINDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00Microorganisms ; Processes using microorganisms
    • C12R2001/01Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/07Bacillus
    • C12R2001/10Bacillus licheniformis
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    • C12R2001/00Microorganisms ; Processes using microorganisms
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    • C12R2001/00Microorganisms ; Processes using microorganisms
    • C12R2001/01Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/07Bacillus
    • C12R2001/125Bacillus subtilis ; Hay bacillus; Grass bacillus

Definitions

  • the present invention relates to the field of industrial biotechnology, and in particular to the use of a Bacillus licheniformis and a composite bacterium prepared therefrom for aquaculture and wastewater treatment.
  • micro-ecological preparations for water treatment or improvement and maintenance of a good ecological environment is a typical example of the effective combination of modern bioengineering technology and practical application.
  • how to achieve the excellent treatment effect with the most effective and minimal amount of microorganisms is the direction of continuous research and development by various research institutions, schools and enterprises.
  • the applicant provides a high-efficiency Bacillus subtilis and a composite bottom-alkali agent and application thereof.
  • the Bacillus licheniformis provided by the invention has the high-purity bottom purification ability, can rapidly decompose and reduce the bottom sludge, effectively improve the black water and drowning phenomenon of the environmental water body, and can be used for aquaculture environmental treatment and city. Wastewater treatment.
  • the applicant provides a strain of Bacillus tequile is ZSGD5, the accession number is CCTCC NO: M 2014004, the date of deposit is January 6, 2014, and the deposit is the China Center for Type Culture Collection. China, Wuhan, Wuhan University.
  • Bacillus subtilis preparation which consists of the following bacterial species: [0008] Bacillus licheniformis, the first type of Bacillus subtilis, the second type of Bacillus subtilis, the first type of Bacillus licheniformis, the second type of Bacillus licheniformis, Bacillus pumilus, Bacillus megaterium;
  • the Bacillus licheniformis has the accession number CCTCC NO: M 2014004, and the first type of Bacillus subtilis has the accession number CCCTC NO: M
  • CCTCC NO: M 2012458 the first type of Bacillus licheniformis was deposited as CCTCC NO: M 2012458, and the deposit sites were all typical Chinese culture collection centers; the remaining strains were commercially available products.
  • the effective viable cell count of the composite Bacillus subtilis preparation is 5.0 ⁇ 10 8 ⁇ 2.0 ⁇ 10 10 cfu/g, and the amount used is 20-100 g per acre, and the composition of each strain is as follows:
  • strains The number of viable bacteria per gram of product, the unit is cfu / g
  • Bacillus licheniformis 1.0x10 8 ⁇ 5.0xl0 9
  • the total viable count is 5.0 x 10 8 ⁇ 2 x 10 10 .
  • the Applicant provides an application of a composite Bacillus subtilis preparation for use in the bottom water quality reform of aquaculture objects, which can effectively control the pollution of the bait in the aquaculture water body and the pollution caused by the excrement of the culture object. Maintain the growth of dissolved oxygen, inhibit the moss at the bottom of the pool, and reduce the amount of ammonia nitrogen, nitrite, and hydrogen sulfide.
  • the Applicant provides an application of a composite Bacillus subtilis preparation for use in the treatment of black water and swill in urban rivers, which can improve the state of dead black water in the river channel and reduce the river water COD of the river channel by 40%.
  • Bacillus licheniformis The main biological characteristics of Bacillus licheniformis are: Gram-positive bacteria, rod-shaped, size 0.7-0.8 umx2-3 urn, non-capsulated, flagellated, able to move.
  • the source of the Bacillus licheniformis strain is the sediment of the aquaculture pond, and the screening method is as follows: The sediment obtained from the aquaculture pond is added to the sterile physiological saline, and shaken at 120 rpm on a 37 ° C shaker. 20 min, the supernatant was aspirated, added to the liquid of other contaminated river sediments, shaken for 6 hr, and the enrichment solution was diluted 10,000 times, and then coated with a coating bar to the solid of the contaminated river sediment as the sole matrix. In the tablet, The strain was grown in a 37 ° C incubator for 40 to 48 hr to obtain a strain grown on the plate, which was screened after expansion [0024] The culture method of the strain of Bacillus licheniformis was:
  • Seed medium formula peptone 10 g / l, sodium chloride 10 g / l, yeast powder 5 g / l, prepared with distilled water, all dissolved to adjust P H 7.5 ⁇ 7.6, solid medium in After adjusting the pH, 15 g/1 agar powder was added to the medium, and the above prepared solution was sterilized at 121 ° C for 20 min.
  • the number of viable cells in the obtained bacterial solution was 1 x 10 7 ⁇ 3 x 10 1 () / ml.
  • the strain can grow well in a medium containing nitrate or nitrite as a single nitrogen source, and the single nitrification medium is: glucose 20 g/l, sodium nitrate 2 g/1 (or nitrous acid) Sodium 2 g/1), potassium dihydrogen phosphate 2 g/1, magnesium sulfate 0.5 g/1, pH 6.0 6.2.
  • Enlarged medium formula glucose 20 g / l, yeast powder 10 g / l, peptone 15 g / l, potassium dihydrogen phosphate 5 g / 1, magnesium sulfate lg / l, pH 7.0.
  • Expanded culture method Liquid fermentation in a liquid fermenter, maintaining aeration of l:2 vvm, stirring 200 rpm, pressure l kg/m 2
  • the total number of spores in the fermentation broth can reach 1 ⁇ 10 9 ⁇ 5 ⁇ 10 1 ( ⁇ ⁇ / ⁇ 1.
  • the fermentation broth collects the cells by centrifugation, plate and frame filtration, and then sprays the cells to obtain the desired spores.
  • the obtained spore strains are used to prepare the composite bottom of the invention.
  • the bacterial material of the microbial agent is used to prepare the composite bottom of the invention.
  • the micro-ecological composite microbial preparation prepared by the invention can maintain the high efficiency of the internally added strain after high-temperature granulation, and the composite micro-ecological microbial agent is tested in different aquaculture water bodies and urban river source water bodies.
  • the bacteria showed good efficacy and the high viability of the microbial inoculum added internally.
  • the microecological preparation strain prepared by the invention can rapidly decompose the organic matter at the bottom of the water body to be treated (the bait, the feces, etc. of the aquaculture water body) to completely transform, and remove the bottom odor; prevent the bottom of the pool from being black and stinky. Control the toxic and harmful substances such as sulfurized oxygen and ammonia nitrogen in the pool; prevent the occurrence of yellow mud water and soy sauce water, red water, concentrated water and turbid water, and obviously inhibit the growth of harmful algae such as moss and cyanobacteria, and make the target water body Maintain a good ecological environment.
  • the microbial strain suitable for water quality improvement is isolated from the sediment and water body of the aquaculture pond, and the species of the strain are effectively and accurately determined by means of morphological observation, physiological and biochemical experiments, and 16S rDNA analysis.
  • the cells were cultured in a 37 ° C incubator for 40 to 48 hr, and three strains grown on the plates were obtained, numbered ZSGD-1, ZSGD-5, ZSGD-9, and single colonies were picked for expansion.
  • the accompanying bacteria were tested for contaminated river water, and one of the strains ZSGD-5 with good effect was selected.
  • the strain belongs to Bacillus licheniformis. The Bacillus can rapidly grow nutrients that consume polluted water at low oxygen concentrations.
  • n-1 Bacillus tequilemis
  • CCTCC M 2014004 accession number
  • the slanted Bacillus licheniformis CCTCC M 2014004 is expanded to obtain a certain concentration of spore liquid of Bacillus subtilis, and then subjected to centrifugation and spray drying, etc. Means to obtain a spore powder product.
  • composite bottom modified bacteria agent ie, composite Bacillus subtilis preparation
  • the selected strains of Bacillus licheniformis and other effective strains are mixed according to the ratio of the number of viable bacteria of the respective solid bacteria powder, wherein the proportion of the live bacteria of the solid bacteria powder of each effective strain (according to the total viable bacteria of the product) The number is calculated as follows:
  • bacterial powder After the above-mentioned bacterial powder is uniformly mixed according to a predetermined ratio, one or several supplements of a carrier (brown powder, glucose, corn flour, rice bran powder, zeolite powder, diatomaceous earth, activated carbon, sericite powder) are added. 100% of the total weight (with Bacillus as the active ingredient, the carrier is added so that the total weight of the product meets the final viable count of 5.0x10 9 C f u /g), and granulation is carried out to obtain the granules of the granules, which are then put into use. .
  • a carrier brown powder, glucose, corn flour, rice bran powder, zeolite powder, diatomaceous earth, activated carbon, sericite powder
  • each of the effective single bacterial powders is strictly prepared according to the above method, and the composite microbial bottoming agent according to the present invention is also obtained, which is also referred to as a composite Bacillus subtilis preparation.
  • the product is used for effectively reforming various organic polluted water bodies, turning the sediment from black to yellow, reducing the residual bait and feces at the bottom of the aquaculture water, and effectively removing ammonia nitrogen, nitrite, hydrogen sulfide and the like at the bottom of the pool.
  • the entire processing process described above should ensure the cleanliness of the operating environment and avoid contamination.
  • the humidity of the controlled environment is below 70%, and the moisture content of each raw material is less than 15%.
  • the product is stored at room temperature for 18 months after being made, and the storage period can reach 36 months at -18 °C.
  • the number of viable bacteria in the shelf life is stable.
  • Test Example 1 The composite Bacillus subtilis preparation is used for the modification of the carp culture water body.

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Abstract

提供了一株特基拉芽孢杆菌(Bacillus tequilensis)ZSGD5,保藏编号为CCTCC NO:M 2014004,保藏日期为2014年1月6日。还提供了一种复合微生态芽孢杆菌制剂,由以下菌种组成:特基拉芽孢杆菌、第一类枯草芽孢杆菌、第二类枯草芽孢杆菌、第一类地衣芽孢杆菌、第二类地衣芽孢杆菌、短小芽孢杆菌、巨大芽孢杆菌。所述特基拉芽孢杆菌具有高效水体底部净化能力,能快速分解和降低池底污泥,有效改善环境水体的黑水、浑水现象,可以用于水产养殖的水体环境处理和城市废水治理中。

Description

发明名称:一株高效底改芽孢杆菌及其制成的复合底改菌剂和应用 技术领域
[0001] 本发明涉及工业生物技术领域, 尤其是涉及一种特基拉芽孢杆菌以及由其制备 而成的复合菌剂在水产养殖及废水治理中的应用。
背景技术
[0002] 利用微生态制剂进行水质处理或改良, 维护良好生态环境, 是现代生物工程技 术与实际应用有效结合的一个典型。 但由于各种微生物的效用差别较大, 如何 用最有效和最少量的微生物来达到优异的处理效果, 是各科研机构、 学校和企 业进行不断研究和幵发的方向。
[0003] 现在水产养殖中的残余饵料以及养殖对象的排泄物对养殖环境造成严重影响, 许多城市的河道, 也因为人类的生活垃圾污水排放, 导致河道有机质富集, 最 终造成河水发黑等现象。 利用各种不同功效微生物的自身特性, 幵发有效的微 生物种群组合来对养殖水体以及城市河道中的多余有机质进行处理, 对于未来 的水质改良和处理, 具有十分积极的意义。
技术问题
[0004] 针对现有技术存在的上述问题, 本申请人提供了一株高效底改芽孢杆菌及其制 成的复合底改菌剂和应用。 本发明所提供的特基拉芽孢杆菌具有高效水体底部 净化能力, 能快速分解和降低池底污泥, 有效改善环境水体的黑水、 浑水现象 , 可以用于水产养殖的水体环境处理和城市废水治理中。
问题的解决方案
技术解决方案
[0005] 本发明的技术方案如下:
[0006] 本申请人提供了一株特基拉芽孢杆菌 Bacillus tequile is) ZSGD5 , 保藏编号 为 CCTCC NO: M 2014004 , 保藏日期为 2014年 1月 6日, 保藏地点为中国典型培 养物保藏中心, 中国, 武汉, 武汉大学。
[0007] 本申请人提供了一种复合微生态芽孢杆菌制剂, 由以下菌种组成复合菌剂: [0008] 特基拉芽孢杆菌、 第一类枯草芽孢杆菌、 第二类枯草芽孢杆菌、 第一类地衣芽 孢杆菌、 第二类地衣芽孢杆菌、 短小芽孢杆菌、 巨大芽孢杆菌;
[0009] 所述特基拉芽孢杆菌的保藏编号为 CCTCC NO: M 2014004、 第一类枯草芽孢 杆菌的保藏编号为 CCCTC NO: M
2011443、 第一类地衣芽孢杆菌的保藏编号为 CCTCC NO: M 2012458 , 保藏地 点均为中国典型培养物保藏中心; 其余菌种为市售产品。
[0010] 所述复合微生态芽孢杆菌制剂的有效活菌数为 5.0x10 8〜2.0xl0 10cfu/g, 使用量 为每亩使用 20-100 g, 各菌种的组成如下:
[0011] 菌种 每克产品对应菌种活菌数, 单位为 cfu/g
[0012] 特基拉芽孢杆菌 1.0x10 8〜5.0xl0 9
[0013] 第一类枯草芽孢杆菌 1.0x10 8〜5.0xl0 9
[0014] 第二类枯草芽孢杆菌 1.0x10 8〜5.0xl0 9
[0015] 第一类地衣芽孢杆菌 5.0x10 7〜1.0xl0 9
[0016] 第二类地衣芽孢杆菌 0.8x10 7〜5.0xl0 8
[0017] 短小芽孢杆菌 0.2x10 7〜1.0xl0 8
[0018] 巨大芽孢杆菌 5.0x10 7〜 1.0x10 9
[0019] 总活菌数 5.0x10 8〜2xl0 10
[0020] 本申请人提供了一种复合微生态芽孢杆菌制剂的应用, 用于水产养殖对象的池 底水质底改中, 可以有效控制养殖水体中饵料残澄以及养殖对象排泄物造成的 污染, 保持溶氧的增长、 抑制池底青苔, 降低氨氮、 亚硝酸盐、 硫化氢的量。
[0021] 本申请人提供了一种复合微生态芽孢杆菌制剂的应用, 用于城市河道黑水、 浑 水的治理中, 可以改善河道死黑水的状态, 降低河道的河水 COD为 40%。
[0022] 特基拉芽孢杆菌的主要生物学特征为: 革兰氏阳性细菌, 杆状, 大小 0.7-0.8 umx2-3 urn, 无荚膜, 有鞭毛, 能运动。
[0023] 特基拉芽孢杆菌菌株的来源为水产养殖池塘的底泥, 筛选方法为: 将从水产养 殖池塘中取得的底泥加入无菌生理盐水, 在 37°C摇床上 120 rpm条件下振荡 20 min, 吸取上清液, 加入其他污染河流底泥为基质的液体中, 振荡 6 hr, 将富集 液稀释 10000倍后, 用涂布棒涂布到该污染河流底泥为唯一基质的固体平板中, 在 37°C恒温培养箱中培养 40~48 hr, 得到在平板上生长的菌株, 扩培后进行筛选 [0024] 特基拉芽孢杆菌菌株的培养方法为:
[0025] ( 1) 种子培养基配方: 蛋白胨 10 g/l, 氯化钠 10 g/l, 酵母粉 5 g/l, 用蒸馏水配 制, 全部溶解后调节 PH 7.5~7.6, 固体培养基在调节 pH后在往培养基中添加 15 g/1琼脂粉, 上述配制好的溶液在 121°C下灭菌 20min。
[0026] (2) 从平板上挑取 1环芽孢杆菌移入灭菌的试管固体斜面培养基中, 37°C培养 18~24hr。
[0027] (3) 将上述长好的菌株斜面在 95~100°C水浴中热处理 5~10min, 取出迅速冷却 至室温, 挑取 1环接种于装有 50ml液体培养基的 500ml三角瓶中, 在 37
°C下摇床 150 rpm培养 18~24 hr, 得到的菌液中活菌数为 1x10 7~3xl0 1()个 /ml。
[0028] (4) 该菌株能在以硝酸盐或亚硝酸盐为单一氮源的培养基中良好生长, 单一 硝化培养基为: 葡萄糖 20 g/l, 硝酸钠 2 g/1 (或者亚硝酸钠 2 g/1) , 磷酸二氢钾 2 g/1, 硫酸镁 0.5 g/1, pH 6.0 6.2。
[0029] 特基拉芽孢杆菌菌株的扩大培养方法为:
[0030] 扩大培养基配方: 葡萄糖 20 g/l, 酵母粉 10 g/l, 蛋白胨 15 g/l, 磷酸二氢钾 5 g/1 , 硫酸镁 l g/l, pH 7.0。 扩大培养方法: 在液体发酵罐中进行液体发酵, 过程维 持通气量 l:2 vvm, 搅拌 200 rpm, 压力 l kg/m 2
, 用 NaOH或者 HC1溶液控制过程 pH 6.0。
[0031] 在上述条件下培养 24~48小吋后, 可以得到菌种的芽孢体, 芽孢占活菌总数的 9 5%以上, 发酵液中的总芽孢数可以达到 1χ10 9~5χ10 1(^ήι/ηι1。 发酵液经过离心 、 板框过滤等手段收集菌体, 再将菌体经过喷雾干燥即可获得所需的芽孢。 将 获得的芽孢体菌种, 用作配制本发明中复合底改菌剂的菌种原料。
发明的有益效果
有益效果
[0032] 本发明有益的技术效果在于:
[0033] 本发明所制备的微生态复合菌剂, 经过高温造粒, 仍然能保持内部添加菌种的 高效性, 在不同的养殖水体和城市河道来源水体的试验中, 该复合微生态菌剂 菌表现出了良好的功效性, 以及内部添加微生物菌剂的高存活性。
[0034] 本发明所制备的微生态制剂菌种, 能迅速分解处理对象水体底部的有机质 (养 殖水体的饵料、 粪便等) 使其彻底转化, 去除底部臭味; 防止池底发黑、 发臭 ; 控制池中的硫化氧、 氨氮等有毒有害物质; 预防黄泥水、 酱油水的发生、 红 水、 浓水、 浊水, 对青苔、 蓝藻等有害藻类的生长有明显的抑制作用, 使对象 水体维持良好的生态环境。
本发明的实施方式
[0035] 1、 高效底改菌种的筛选
[0036] 从水产养殖池塘的底泥及水体中分离得到适合水质改良的微生物菌株, 通过对 菌株进行形态学观察、 生理生化实验、 16S rDNA分析等手段有效而准确的确定 菌种的属种。
[0037] 将从江苏泰州姜堰某螃蟹养殖池塘中取得的底泥样品称取 2 g, 加入 98 ml无菌 生理盐水, 在 37°C摇床上 120 rpm条件下振荡 20 min, 吸取上清液 1 ml加入取自无 锡市某污染河底泥为基质的液体中, 振荡 6 hr, 将富集液稀释 10000倍后, 用涂 布棒涂布到该河流底泥为唯一基质的固体平板中, 在 37°C恒温培养箱中培养 40~ 48 hr, 得到三株在平板上生长的菌株, 编号为 ZSGD-1 , ZSGD-5 , ZSGD-9 , 并 挑取单菌落进行扩陪, 后利用扩陪得到的菌体进行污染河水的处理测试试验, 挑选出效果较好的其中一株菌种 ZSGD-5 , 经过 16S rDNA及生理生化性能的鉴定 和测试, 该菌种属于特基拉芽孢杆菌, 该芽孢杆菌能在低氧浓度下快速生长消 耗污染水体的营养物质。
[0038] n-1的分类命名为特基拉芽孢杆菌 Bacillus tequilemis) , 于 2014年 1月 6日保 藏于中国典型培养物保藏中心, 保藏编号为 CCTCC M 2014004。
[0039] 2、 菌株扩大培养及产品收集
[0040] 按照前面所述菌株的培养和扩大培养方法, 将斜面的特基拉芽孢杆菌 CCTCC M 2014004进行扩培, 得到一定浓度的枯草芽孢杆菌的孢子液, 再将其经过离心 和喷雾干燥等手段, 得到芽孢粉剂产品。
[0041] 3、 复合底改菌剂 (即复合微生态芽孢杆菌制剂) 制作方法 [0042] 将筛选到的特基拉芽孢杆菌以及其它有效菌株按照各自固体菌粉的活菌数配比 比例混合, 其中各个有效菌株固体菌粉的活菌添加比例 (按照占产品的总活菌 数计算) 如下:
[0043] 菌种 每克产品对应菌种活菌数 (cfu/g)
[0044] 特基拉芽孢杆菌 (CCCTC M 2014004) 1.0x10 9
[0045] 第一类枯草芽孢杆菌 (CCCTC M 2011443) 1.0x10 9
[0046] 第二类枯草芽孢杆菌 1.0x10 9
[0047] 第一类地衣芽孢杆菌 (CCTCC M 2012458) 1.0x10 8
[0048] 第二类地衣芽孢杆菌 0.8xl0 8
[0049] 短小芽孢杆菌 0.2xl0 8
[0050] 巨大芽孢杆菌 1.0x10 8
[0051] 总活菌数 5.0X10 9
[0052] 上述保藏编号均为中国典型培养物保藏中心保藏, 而第二类枯草芽孢杆菌、 第 二类地衣芽孢杆菌、 短小芽孢杆菌、 巨大芽孢杆菌均是由泰州绿圣元生物科技 有限公司提供。
[0053] 上述各菌粉按照既定比例混合均匀后, 添加载体 (麸皮粉、 葡萄糖、 玉米粉、 米糠粉, 沸石粉、 硅藻土, 活性炭、 绢云母粉) 中的一种或者几种补充到总重 量的 100% (以芽孢杆菌作为有效成分, 加入载体使产品总重量满足最终的活菌 数达到 5.0x10 9 Cfu/g) , 并进行造粒, 得到菌剂颗粒, 然后投入使用。
[0054] 各个有效单菌粉按照上述方法严格配制, 即可得到本发明所述的复合微生物底 改菌剂, 又称为复合微生态芽孢杆菌制剂。 该产品用于对各种有机质污染水体 进行有效底改, 使底泥从黑变黄, 可以降低养殖水体池底残饵、 粪便, 有效去 除池底的氨氮、 亚硝酸盐、 硫化氢等物质。
[0055] 上述整个加工过程应保证操作环境的清洁, 避免污染。 控制环境湿度在 70%以 下, 各原料水分含量低于 15%, 该产品制成后常温下保存 18个月, -18°C下保存 期限可以达到 36个月, 保质期内活菌数稳定。
[0056] 4、 检测例 1 : 复合微生态芽孢杆菌制剂用于鲫鱼养殖水体的改性。
[0057] 水样取样: 苏州太仓某养殖池塘, 离岸 1.5m, 水面下 30cm水样, 按照 《海洋监 测规范》 进行处理。 测试吋养殖水温为 22-27°C, 对照池为不添加本复合底改菌 剂的结果。 每亩 ·米池塘中撒入 500g菌剂颗粒, 处理结果如表 1所示。
[0058] 表 1
[0059]
[XXXX
[0060] 从表 1的数据可以看到, 使用本复合菌剂, 可以有效降低水体的氨氮、 亚硝酸 盐、 总无机氮、 磷酸盐, 同吋增加水体溶解氧含量。
[0061] 5、 检测例 2: 复合微生态芽孢杆菌制剂用于河道黑水处理。
[0062] 取自无锡某河道不同位置的污染水体 2份, 分别使用本菌剂进行处理试验, 对 照组为不进行处理, 试验规模为 5L, 按照国标检测 COD。 按照重量每亩 ·米水体 加入 500g菌剂颗粒, 处理结果如表 2所示。
[0063] 表 2
[XXXX
[0064] 从表 2的数据可以看到, 使用本菌剂处理河道污水, 可以有效降低河道污水的 C
OD。

Claims

权利要求书
[权利要求 1] 一株特基拉芽孢杆菌 ( Bacillus tequilensis
) ZSGD5 , 保藏编号为 CCTCC NO: M
2014004, 保藏日期为 2014年 1月 6日, 保藏地点为中国典型培养物保 藏中心, 中国, 武汉, 武汉大学。
[权利要求 2] 一种复合微生态芽孢杆菌制剂, 其特征在于由以下菌种组成复合菌剂 特基拉芽孢杆菌、 第一类枯草芽孢杆菌、 第二类枯草芽孢杆菌、 第一 类地衣芽孢杆菌、 第二类地衣芽孢杆菌、 短小芽孢杆菌、 巨大芽孢杆 菌;
所述特基拉芽孢杆菌的保藏编号为 CCTCC NO: M 2014004、 第一类 枯草芽孢杆菌的保藏编号为 CCCTC NO: M 2011443、 第一类地衣芽 孢杆菌的保藏编号为 CCTCC NO: M 2012458 , 保藏地点均为中国典 型培养物保藏中心; 其余菌种为市售产品。
[权利要求 3] 根据权利要求 2所述的复合微生态芽孢杆菌制剂, 其特征在于所述复 合微生态芽孢杆菌制剂的有效活菌数为 5.0x10 8〜2.0xl0 10cfu/g ! 使 用量为每亩使用 20- 100 g, 各菌种的组成如下: 菌种 每克产品对应菌种活菌数, 单位为 cfu/g
特基拉芽孢杆菌 1.0x10 8〜5.0xl0 9
第一类枯草芽孢杆菌 1.0x10 8〜5.0xl0 9
第二类枯草芽孢杆菌 1.0x10 8〜5.0x l0 9
第一类地衣芽孢杆菌 5.0x10 7〜1.0χ 10 ή
第二类地衣芽孢杆菌 0.8x10 7〜5.0χ10 8
短小芽孢杆菌 0.2x10 7〜1.0χ10 8
巨大芽孢杆菌 5.0x10 7〜 1.0x10 9
总活菌数 5.0x10 8〜2χ10
[权利要求 4] 一种权利要求书 2所述的复合微生态芽孢杆菌制剂的应用, 其特征在 于用于水产养殖对象的池底水质底改中。
[权利要求 5] 根据权利要求 4所述的应用, 其特征在于所述的复合微生态芽孢杆菌 制剂可以有效控制养殖水体中饵料残澄以及养殖对象排泄物造成的污 染, 保持溶氧的增长、 抑制池底青苔, 降低氨氮、 亚硝酸盐、 硫化氢 的量。
[权利要求 6] —种权利要求书 2所述的复合微生态芽孢杆菌制剂的应用, 其特征在 于在用于城市河道黑水、 浑水的治理中。
[权利要求 7] 根据权利要求 6所述的应用, 其特征在于所述的复合微生态芽孢杆菌 制剂可以改善河道死黑水的状态, 降低河道的河水 COD为 40%。
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