Refining method for microalgae biodiesel
A technology of microalgae and diesel, which is applied in the fields of biofuel, petroleum industry, fat production, etc., can solve the problem of high cost of drying operation, and achieve the effect of reducing loss, saving time, and simple and efficient steps
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[0019] Example 1
[0020] A method for refining microalgae biodiesel, through the steps of crushing microalgae, extracting algae slurry, in-situ extraction and separation and purification, to complete the refining of microalgae biodiesel, the specific steps are as follows:
[0021] (1) Broken microalgae: After the microalgae is harvested, pass the algae liquid into the crushing tank, and use ultrasound to break the microalgae.
[0022] (2) Extraction of algae slurry: the algae liquid after crushed microalgae is flowed into the sedimentation tank through a water pump for natural precipitation to form upper and lower layers. The upper layer is water and the lower layer is algae slurry. The lower layer of algae slurry is pumped into the reaction tank .
[0023] (3) In-situ extraction: Add reactant and extractant into the reaction tank with algae slurry. The reactant is a mixture of methanol and concentrated sulfuric acid. The volume ratio of concentrated sulfuric acid to methanol is 0.0...
Example Embodiment
[0026] Example 2
[0027] A method for refining microalgae biodiesel, through the steps of crushing microalgae, extracting algae slurry, in-situ extraction and separation and purification, to complete the refining of microalgae biodiesel, the specific steps are as follows:
[0028] (1) Broken microalgae: After the microalgae is harvested, pass the algae liquid into the crushing tank, and use ultrasound to break the microalgae.
[0029] (2) Extraction of algae slurry: the algae liquid after crushed microalgae is flowed into the sedimentation tank through a water pump for natural precipitation to form upper and lower layers. The upper layer is water and the lower layer is algae slurry. The lower layer of algae slurry is pumped into the reaction tank .
[0030] (3) In-situ extraction: Add reactant and extractant into the reaction tank with algae slurry. The reactant is a mixture of methanol and concentrated sulfuric acid. The volume ratio of methanol to concentrated sulfuric acid is 0.0...
Example Embodiment
[0033] Example 3
[0034] A method for refining microalgae biodiesel, through the steps of crushing microalgae, extracting algae slurry, in-situ extraction and separation and purification, to complete the refining of microalgae biodiesel, the specific steps are as follows:
[0035] (1) Broken microalgae: After the microalgae is harvested, pass the algae liquid into the crushing tank, and use ultrasound to break the microalgae.
[0036] (2) Extraction of algae slurry: the algae liquid after crushed microalgae is flowed into the sedimentation tank through a water pump for natural precipitation to form upper and lower layers. The upper layer is water and the lower layer is algae slurry. The lower layer of algae slurry is pumped into the reaction tank .
[0037] (3) In-situ extraction: Add reactant and extractant into the reaction tank with algae slurry. The reactant is a mixture of methanol and concentrated sulfuric acid. The volume ratio of methanol to concentrated sulfuric acid is 0.0...
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