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Processing method for eliminating metal ions in rice by bacterial colonies

A metal ion and processing method technology, applied in the field of metal ion removal in rice, can solve the problems of complex process and low efficiency, and achieve the effect of simple process, high efficiency and low cost

Inactive Publication Date: 2019-08-30
安徽稼仙金佳粮集团股份有限公司
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Problems solved by technology

[0005] The present invention mainly provides a processing method for eliminating metal ions in rice by using bacterial colonies, in order to solve the disadvantages of low efficiency and complex process of existing methods for removing metal ions in rice proposed in the background technology

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] S01: First stage agitation and cleaning

[0029] Add the obtained mixed mold into the sodium hydroxide solution, and add a small amount of ionized water, adjust the pH value to 7.2-8.3 with 5%-10% calcium hydroxide, and weigh a certain amount of raw materials Add to the mixed solution, add eluent, control the temperature at 30°C-45°C, mix and stir for 0.5h, remove the floating matter, and filter the raw material;

[0030] Ag, Au, Cd, Cr, Cu, Pb, Hg, Mn, Ni, U can be effectively adsorbed by mixing Rhizopus with one or more of Aspergillus niger, Penicillium chrysogenum, Rhizopus niger, and Cladomyces , Th, Zn ions, and suspended in the form of suspended scoops on the water surface;

[0031] S02: Second stage agitation cleaning

[0032] Add the raw materials filtered in step S01 to the sodium chloride solution, add deionized water, adjust the pH value to between 3.3-4.5, add a certain amount of Gordonia ditch, add an eluent, and control the temperature at 30°C-35°C, aft...

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Abstract

The invention provides a processing method for eliminating metal ions in rice by bacterial colonies, comprising steps of cleaning rice in a mixed solution containing mixed mold and gordona amarae oneby one while stirring, then adding an eluent into the mixed solution, and controlling the temperature at 30-45 DEG C while stirring. The processing method is reasonable, highly efficient, simple in process and cheap in cost, and capable of eliminating metal ions in rice to the greatest extent with the optimal cost.

Description

technical field [0001] The invention mainly relates to the technical field of removing metal ions in rice, in particular to a processing method for eliminating metal ions in rice by using bacterial colonies. Background technique [0002] Food safety issues are getting more and more attention, and heavy metal pollution of crop fields is always a serious problem. Rice is the staple food of residents in many areas of our country. However, the results of random sampling of commercially available rice in our country show that the metal content in about 10% of the rice exceeds the standard, and a large amount of technical ion content exceeds the standard. unreasonable health disease. [0003] In order to prevent the technical content of crops from exceeding the standard, two methods are adopted, one is to restore metal-contaminated soil from the external environment; the other is to control the metal content in agricultural products through processing technology starting from the...

Claims

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Application Information

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IPC IPC(8): A23L5/20
CPCA23L5/28A23L5/273
Inventor 邱张生杨积洪
Owner 安徽稼仙金佳粮集团股份有限公司
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