Microorganism cause concrete or concrete, producing method and application thereof

Microorganism cause concrete or concrete, producing method and application thereof

  • CN 101,270,369 A
  • Filed: 05/06/2008
  • Published: 09/24/2008
  • Est. Priority Date: 05/06/2008
  • Status: Active Application
First Claim
Patent Images

1. , a kind of microorganism cause cement is characterized in that being prepared as follows:

  • (1) according to 1;

    20~

    1000 weight percent Pasteur genus bacillus kind bacterium is inoculated in the nutrient solution, at 15~

    38 ℃

    of following shaking culture 8~

    72h, bacterium liquid;

    The composition of described nutrient solution is nutriment, buffer reagent, ammonium source and deionized water;

    (2) pH with step (1) gained bacterium liquid transfers to 6~

    9, then bacterium liquid and fluid,matching is mixed by 1;

    5~

    5;

    1 volume ratios, gets mixed solution;

    Described fluid,matching contains urea and mineral calcium salt;

    (3) mixed solution is reacted 2~

    72h down at 15~

    38 ℃

    , the gained precipitation is microorganism cause cement.

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