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Crotonaldehyde is a chemical compound with the formula CH₃CH=CHCHO. The compound is usually sold as a mixture of the E- and Z-isomers, which differ with respect to the relative position of the methyl and formyl groups. The E-isomer is more common (data given in Table is for the E-isomer). This lachrymatory liquid is moderately soluble in water and miscible in organic solvents. As an unsaturated aldehyde, crotonaldehyde is a versatile intermediate in organic synthesis. It occurs in a variety of foodstuffs, e.g. soybean oils.
Degradable crotonaldehyde strain, complex bacterial population and application thereof in water treatment
The present application relates to the field of water treatment, and discloses a strain capable of degrading crotonaldehyde, a complex bacterial population and application thereof in water treatment. The present application provides a strain of Bacillus tequilensis H21, which can simultaneously and efficiently degrade crotonaldehyde and COD in wastewater, and the strain also has very high tolerance to high-concentration crotonaldehyde production wastewater, and thus can be applied to the treatment of high-concentration and high-toxicity crotonaldehyde production wastewater, thereby reducing the load on the subsequent biochemical treatment system and improving the biochemical treatment efficiency. Further, after alkali pretreatment of high-concentration and high-toxicity crotonaldehyde wastewater, fermentation treatment is performed by using Bacillus tequilensis H21 or a complex bacterial population containing Bacillus tequilensis H21, which can further reduce the toxicity of the wastewater, thereby reducing the load on the subsequent biochemical treatment system of the wastewater after biological pretreatment and improving the biochemical treatment efficiency.
Owner:HANGZHOU XIUCHUAN TECH CO LTD