Process method for preparing calcium phytate and calcium lactate by using corn soaking water

A technology of corn soaking water and process methods, applied in the preparation method of peptides, chemical instruments and methods, and carboxylate preparation, etc., can solve the problems of waste water and other problems, achieve the effect of zero discharge of waste water and avoid the generation of waste water

Active Publication Date: 2021-07-20
ZHUCHENG HAOTIAN PHARMA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the existing process can obtain phytic acid, protein, lactic acid and other products after the corn soaking water is treated, the existing process will produce a large amount of waste water, which mainly comes from two parts: (1) after the corn soaking water settles The phytic acid is adsorbed by the anion resin column, and the collected effluent is desorbed with hydrochloric acid, and the collected effluent is neutralized with lime water and filtered with a plate and frame to obtain calcium phytate and a large amount of waste water; (2) the corn effluent after the resin column absorbs phytic acid Calcium salt is added to the permeate after nanofiltration membrane filtration, calcium lactate is obtained by adding calcium salt, or calcium lactate is obtained after resin adsorption, desorption, and neutralization, but the above operations will generate waste water; therefore, for the above problems, there are It is necessary to establish a process for preparing calcium phytate and calcium lactate by using corn soaking water

Method used

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  • Process method for preparing calcium phytate and calcium lactate by using corn soaking water
  • Process method for preparing calcium phytate and calcium lactate by using corn soaking water

Examples

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Effect test

Embodiment 1

[0022] A process for preparing calcium phytate and calcium lactate by utilizing corn soaking water, comprising the following steps:

[0023] (1) 200L of corn soaking water enters the anion resin column (resin model is LX-67, and the volume of the resin in the anion resin column is 15L) with 1.5BV / h after the supernatant after 4h sedimentation of corn soaking water, collects the first effluent for subsequent use, Adopting resin volume 1.5BV, concentration is that 5% w / v hydrochloric acid enters in the anion resin column according to the flow velocity of 0.5BV / h as desorbing agent, adds lime milk in the desorbing liquid that collects and is neutralized to the pH value of desorbing liquid is 6, adopts Plate and frame filter press, adding hydrochloric acid in the collected liquid phase (the main component is calcium chloride) is used as the desorbent of the next batch of anion resin columns (the content control of chloride ions in the desorbent prepared together by the collected li...

Embodiment 2

[0028] A process for preparing calcium phytate and calcium lactate by utilizing corn soaking water, comprising the following steps:

[0029] (1) 200L of corn soaking water enters the anion resin column (resin model is LX-67, and the volume of the resin in the anion resin column is 15L) with 1.5BV / h after the supernatant after 4h sedimentation of corn soaking water, collects the first effluent for subsequent use, Use hydrochloric acid with a resin volume of 1.5BV and a concentration of 5.5% w / v as a desorbent to enter the anion resin column at a flow rate of 0.5BV / h, add lime milk to the collected desorption solution and adjust the pH to 6.3, and use plate and frame filter press , add hydrochloric acid in the collected liquid phase (main component is calcium chloride) after adding hydrochloric acid as the desorbent of the next batch of anion resin column (the content of chloride ion in the desorbent prepared together in the collected liquid phase and hydrochloric acid is control...

Embodiment 3

[0034] A process for preparing calcium phytate and calcium lactate by utilizing corn soaking water, comprising the following steps:

[0035] (1) 200L of corn soaking water enters the anion resin column (resin model is LX-67, and the volume of the resin in the anion resin column is 15L) with 1.5BV / h after the supernatant after 4h sedimentation of corn soaking water, collects the first effluent for subsequent use, Using a resin volume of 1.5BV and a concentration of 6% w / v hydrochloric acid as a desorbent enters the anion resin column at a rate of 0.5BV / h, adds milk of lime to the collected desorption solution to neutralize the pH of the desorption solution to 6.5, and press-filters. After adding hydrochloric acid in the collected liquid phase (the main component is calcium chloride), it is used as the desorbent of the next batch of anion resin columns (the content of chloride ions in the desorbent prepared together from the collected liquid phase and hydrochloric acid is control...

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Abstract

The invention relates to the technical field of corn soaking water treatment, in particular to a process method for preparing calcium phytate and calcium lactate by using corn soaking water, which comprises the following steps: (1) settling the corn soaking water to obtain supernate, enabling the supernate to enter an anion resin column, collecting first effluent, enabling the first effluent to enter the anion resin column by using hydrochloric acid as a desorption agent, and collecting a desorption solution; (2) after the first effluent in the step (1) is filtered by a nanofiltration membrane, respectively collecting trapped fluid and permeate; (3) enabling the permeate collected in the step (2) to enter a weakly alkaline anion resin column, collecting a second effluent, enabling a calcium chloride solution as a desorption agent to enter the weakly alkaline anion resin column, and collecting a desorption solution; and (4) drying the trapped fluid in the step (2), and concentrating the second effluent collected in the step (3). According to the process method, the corn soaking water is effectively treated, the calcium phytate and the calcium lactate are obtained, and the discharge of wastewater is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of corn soaking water treatment, in particular to a process for preparing calcium phytate and calcium lactate from corn soaking water. Background technique [0002] L-Calcium Lactate is widely used in food and pharmaceutical industries, and is a good source of calcium. The current production of calcium lactate belongs to one of the series derivatives of lactic acid production. The production methods of lactic acid mainly include fermentation, synthesis and enzymatic methods. The fermentation method has complex nutritional requirements and strict aseptic operation, which brings inconvenience to actual production; the chemical synthesis method uses acetaldehyde and highly toxic substances as the raw materials. The production of hydrocyanic acid is greatly restricted, and the production cost is high; the enzymatic process is complicated, and further research and breakthroughs are still needed for its applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F9/117C07C51/42C07C51/41C07C51/43C07C59/08C07K1/18C07K1/34C07K1/36C05F11/00C05G5/20
CPCC07F9/117C07C51/42C07C51/412C07C51/43C07K1/36C07K1/34C07K1/18C05F11/00C05G5/20C07C59/08
Inventor 朱理平崔鑫杜国营曲松杰魏萍萍
Owner ZHUCHENG HAOTIAN PHARMA
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