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Method for controllably producing calcium carbonate under high-temperature condition
The invention relates to a method for controllably producing calcium carbonate under a high-temperature condition. The method comprises the following steps: 1) dissolving bean flour in distilled water, uniformly shaking, standing, and centrifugally filtering to obtain a supernant, namely urease liquid; and 2) preparing a mixed solution of urea and calcium acetate to obtain a gelling liquid; and uniformly mixing a urease solution with an isometric NBPT solution, then mixing the mixture with the isometric gelling liquid, filling the mixture into a PVC pipe filled with sand grains under a heating condition, and cementing the loose sand by calcium carbonate; or mixing the urease solution and the gelling liquid in equal volume, adding the garlic juice, heating to a higher temperature, filling the mixture into the PVC pipe filled with the sand grains, and cementing the loose sand by calcium carbonate. The optimal garlic juice concentration and the optimal NBPT solution concentration under the high-temperature condition can be obtained according to the actually needed calcium carbonate generation speed and strength and aiming at different temperatures. And operation is simple, and the calcium carbonate yield and strength are controllable.
本发明涉及一种高温条件下可控地产出碳酸钙的方法，步骤如下：1）将豆粉溶解于蒸馏水中，摇匀后静置离心过滤得到的上清液即为脲酶液；2）制备尿素与醋酸钙的混合溶液获得胶凝液；取脲酶溶液与等体积的NBPT溶液混合均匀，然后与等体积胶凝液混合，在加热条件下，灌入装有沙粒的PVC管中，松砂被碳酸钙胶结；或者，将脲酶液与胶凝液等体积混合后添加大蒜汁，在加热至更高温度条件下，灌入装有沙粒的PVC管中，松砂被碳酸钙胶结。本发明可根据实际需要的碳酸钙生成速度、强度，针对不同温度得出高温条件下的最佳蒜汁浓度、NBPT溶液浓度。操作简便，碳酸钙产率、强度可控。
Method for controllably producing calcium carbonate under high-temperature condition
The invention relates to a method for controllably producing calcium carbonate under a high-temperature condition. The method comprises the following steps: 1) dissolving bean flour in distilled water, uniformly shaking, standing, and centrifugally filtering to obtain a supernant, namely urease liquid; and 2) preparing a mixed solution of urea and calcium acetate to obtain a gelling liquid; and uniformly mixing a urease solution with an isometric NBPT solution, then mixing the mixture with the isometric gelling liquid, filling the mixture into a PVC pipe filled with sand grains under a heating condition, and cementing the loose sand by calcium carbonate; or mixing the urease solution and the gelling liquid in equal volume, adding the garlic juice, heating to a higher temperature, filling the mixture into the PVC pipe filled with the sand grains, and cementing the loose sand by calcium carbonate. The optimal garlic juice concentration and the optimal NBPT solution concentration under the high-temperature condition can be obtained according to the actually needed calcium carbonate generation speed and strength and aiming at different temperatures. And operation is simple, and the calcium carbonate yield and strength are controllable.
本发明涉及一种高温条件下可控地产出碳酸钙的方法，步骤如下：1）将豆粉溶解于蒸馏水中，摇匀后静置离心过滤得到的上清液即为脲酶液；2）制备尿素与醋酸钙的混合溶液获得胶凝液；取脲酶溶液与等体积的NBPT溶液混合均匀，然后与等体积胶凝液混合，在加热条件下，灌入装有沙粒的PVC管中，松砂被碳酸钙胶结；或者，将脲酶液与胶凝液等体积混合后添加大蒜汁，在加热至更高温度条件下，灌入装有沙粒的PVC管中，松砂被碳酸钙胶结。本发明可根据实际需要的碳酸钙生成速度、强度，针对不同温度得出高温条件下的最佳蒜汁浓度、NBPT溶液浓度。操作简便，碳酸钙产率、强度可控。
Method for controllably producing calcium carbonate under high-temperature condition
一种高温条件下可控地产出碳酸钙的方法
MIAO LINCHANG (author) / SUN XIAOHAO (author) / WANG HENGXING (author) / GUO XIN (author) / ZHANG JIZHOU (author) / ZHAO XUDONG (author) / YIN WENHUA (author) / ZHANG YICHEN (author)
2021-09-14
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
C12N
Mikroorganismen oder Enzyme
,
MICROORGANISMS OR ENZYMES
/
C12P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
,
Gärungsverfahren oder Verfahren unter Verwendung von Enzymen zur gezielten Synthese von chemischen Verbindungen oder Zusammensetzungen oder zur Trennung optischer Isomerer aus einer racemischen Mischung
| European Patent Office | 2017