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Semen armeniacae amarae debitterizing water recycling method

A processing method and technology for bitter almonds, which are applied in the field of resource treatment of bitter almond debittered water, can solve problems such as loss of nutrients and waste water pollution, and achieve the effects of cost reduction, easy purification and extraction, and low cost.

Pending Publication Date: 2019-01-04
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of nutrient loss and wastewater pollution in bitter almond debittering water, the present invention proposes a treatment method for bitter almond debittering water, which can effectively recover the nutrient components in the debittering water, make the wastewater discharge up to the standard, and reduce environmental pollution

Method used

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Experimental program
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Effect test

Embodiment 1

[0032] see figure 1 , the bitter almond debitterization and water resources treatment method provided by the invention, its concrete processing steps are:

[0033] (1) Bitter almond debittering water is filtered out the larger impurities therein through coarse filtration;

[0034] (2) The debittered water in step (1) enters the ceramic membrane filtration device for concentrated filtration of the ceramic membrane, the pore size of the ceramic membrane is 5nm, the inlet pressure of the regulating device is 0.4MPa, the temperature is 20°C, and the valve flow rate entering the ceramic membrane is 3.5m 3 / h, filter for 180min, separate the protein and amygdalin, obtain the concentrated solution A and the permeate B after the filtration is complete, so that the protein with larger molecules is trapped in the concentrated solution A and recovered, and the concentration ratio of the concentrated solution A is 0.9778, The content of amygdalin in the permeate B was 2.3 times that of ...

Embodiment 2

[0038] The method for debittering and water-recycling of bitter almonds provided by the invention, its concrete processing steps are:

[0039] (1) Bitter almond debittering water is filtered out the larger impurities therein through coarse filtration;

[0040] (2) After the debittered water in step (1) enters the ceramic membrane filtration device for ceramic membrane concentration filtration, the pore size of the ceramic membrane is 8nm, the inlet pressure of the regulating device is 0.3MPa, the temperature is 30°C, and the valve flow rate entering the ceramic membrane is 3m 3 / h, filter for 150min, separate the protein and amygdalin, obtain the concentrated solution A and the permeate B after the filtration is complete, so that the protein with larger molecules is trapped in the concentrated solution A for recovery, and the concentration ratio of the concentrated solution A is 0.98, The content of amygdalin in the permeate B is 2.35 times that of the amygdalin content in th...

Embodiment 3

[0044] The method for debittering and water-recycling of bitter almonds provided by the invention, its concrete processing steps are:

[0045] (1) Bitter almond debittering water is filtered out the larger impurities therein through coarse filtration;

[0046](2) After the debittered water in step (1) enters the ceramic membrane filtration device for concentrated filtration with ceramic membrane, the pore size of the ceramic membrane is 10nm, the inlet pressure of the regulating device is 0.6MPa, and the temperature is 45°C, and the valve flow rate entering the ceramic membrane is 5m 3 / h, filter for 60min, separate the protein and amygdalin, obtain concentrated solution A and permeate B after the filtration is complete, so that the protein with larger molecules is trapped in concentrated solution A and recovered, and the concentration ratio of concentrated solution A is 0.982, The content of amygdalin in the permeate B is 2.4 times that of the amygdalin content in the debitt...

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Abstract

The invention relates to a semen armeniacae amarae debitterizing water recycling method. The method mainly includes: roughly filtering semen armeniacae amarae debitterizing water, using a ceramic membrane of 5-10nm in pore diameter for concentrating and filtering, separating protein from amygdalin to obtain concentrate A and permeate B, intercepting protein in the concentrate A for recycling, filtering the permeate B through an organic membrane of 150-300Da to obtain concentrate C and permeate D, and intercepting macromolecular substances like amygdalin and benzaldehyde in the concentrate C. Membrane separation technology is adopted to concentrate and separate nutritional substances in the semen armeniacae amarae debitterizing water, concentrated nutritional substances are easier for purifying and extracting, cost for extracting the nutritional substances can be reduced, and substances like high-purity amygdalin, flavone and polyphenol and natural perfume substance benzaldehyde can befurther concentrated and separated out; final wastewater obtained by treatment reaches indexes of national wastewater treatment, and the method plays a certain role in environment protection.

Description

technical field [0001] The invention belongs to the technical field of waste water treatment, and in particular relates to a method for the resource utilization of debittered water from bitter almonds. Background technique [0002] Bitter almond is the bitter seed kernel of the ripe fruit of the Rosaceae plant. It is widely distributed at home and abroad. It is mainly produced in Inner Mongolia, Hebei, Shaanxi, Gansu and other places in China, and the resources are very rich. Bitter almonds are rich in nutrients, containing 25% protein, about 50% crude fat, and about 10% sugar. According to reports, there are a lot of unsaturated fatty acids in almond oil, mainly oleic acid and linoleic acid, accounting for 90% of fatty acids. ;Each 100g of almonds also contains 65.8mgVE, so almond oil has anti-aging, cardiovascular disease prevention and other effects, is a good tonic. [0003] Bitter almond contains about 3% amygdalin, which can be decomposed (hydrolyzed) to produce benza...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02C02F103/32
CPCC02F1/001C02F1/44C02F2103/32C02F2301/08
Inventor 张清安张宁黄浪
Owner SHAANXI NORMAL UNIV
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