阅读说明：本技术 一种离子硒的生产工艺 (Production process of ionic selenium ) 是由 高昌胜 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种离子硒的生产工艺,涉及离子硒生产技术领域,包括有含硒土壤,所述工艺包括以下主要步骤：含硒土壤的测定、含硒土壤的挖取、含硒土壤的加工及离子硒的生成。该离子硒的生产工艺,通过对含硒土壤中的硒化物进行微生物菌落分解操作,散发出气态烷基硒化物,使得气态烷基硒化物能够与化学试剂之间进行充分反应,产生离子硒,整个过程处于密闭空间进行,有效保证离子硒在生产过程中,避免其因密闭性不足,造成氧化现象,出现亚硒酸盐或硒酸盐,难以被植物吸收,需要进行再次提纯的现象。(The invention discloses a production process of ionic selenium, which relates to the technical field of ionic selenium production, and comprises selenium-containing soil, wherein the process comprises the following main steps: measuring selenium-containing soil, digging the selenium-containing soil, processing the selenium-containing soil and generating the ionic selenium. This ionic selenium's production technology, through carrying out the operation of microbial community decomposition to the selenide in the soil that contains selenium, give out gaseous state alkyl selenide for gaseous state alkyl selenide can carry out abundant reaction with chemical reagent between, produce ionic selenium, and whole process is in airtight space and goes on, effectively guarantees ionic selenium and in the production process, avoids it because of the leakproofness is not enough, causes oxidation phenomenon, appears selenite or selenate, is difficult to be absorbed by the plant, the phenomenon that needs purify once more.)

1. A production process of ionic selenium is characterized in that: comprises selenium-containing soil, and the process comprises the following main steps: measuring selenium-containing soil, digging the selenium-containing soil, processing the selenium-containing soil and generating the ionic selenium.

2. The process of claim 1, wherein the ionic selenium comprises: the determination of the selenium-containing soil comprises the following steps:

1) carrying out multi-point sampling measurement operation on the selenium-containing soil through a detection instrument, and measuring the selenium-containing degree in the soil;

2) and synchronously selecting the soil in the area, so that the organic selenium in the soil completes the subsequent operation to be processed.

3. The process of claim 2, wherein the ionic selenium comprises: the detection instrument can be one of an ultraviolet-visible spectrophotometer, a vortex mixer, a constant temperature oscillator and a constant temperature water bath.

4. The process of claim 1, wherein the ionic selenium comprises: the selenium-containing soil excavation method comprises the following steps:

1) excavating the selenium-containing soil in the multi-point location determination area through an excavating device, and weighing quantitative soil through weighing equipment;

2) and screening out impurities in the soil, and selecting a container for storage.

5. The process of claim 1, wherein the ionic selenium comprises: the processing of the selenium-containing soil comprises the following steps:

1) the method comprises the following steps of (1) introducing microbial colonies into soil in a container, decomposing organic-state selenides in the soil, volatilizing and dissipating gaseous alkyl selenides into a closed container, and collecting the gaseous alkyl selenides through a collecting device;

2) and then carrying out chemical reaction on the gaseous alkyl selenide, and adding a chemical reagent to enable the gaseous alkyl selenide to generate the ionic selenium.

6. The process of claim 1, wherein the ionic selenium comprises: after the selenium-containing soil is processed through the steps, the ionic selenium is generated, belongs to organic selenium, and is easy to absorb by plants after being complexed with fulvic acid.

Technical Field

The invention relates to the technical field of ionic selenium production, in particular to a production process of ionic selenium.

Background

Selenium is a rare dispersion element, the content of selenium in the earth crust is very small, the distribution in soil is very uneven, even the distribution is different from point to point, the existence mode of the soil selenium element is mainly embodied by elemental selenium and organic combined selenium, the selenium also exists in various forms in the soil, including mineral selenium, water-soluble selenium, adsorbed selenium, volatile selenium and the like, the chemical properties and the bioavailability of the selenium in different forms are different, the form influences the effectiveness of the selenium, and meanwhile, the ionic selenium is mainly applied to compound fertilizers and guarantees the nutrient components required by crops in agricultural planting.

In the production process of the existing ionic selenium, due to insufficient sealing property, oxidation reaction is easy to occur, selenite or selenate is formed, the preparation and production processes are difficult, and the ionic selenium is insoluble in water and is not beneficial to plant absorption.

Disclosure of Invention

The invention aims to provide a production process of ionic selenium, and aims to solve the problems that in the production process of general ionic selenium provided in the background art, due to insufficient sealing property, oxidation reaction is easy to occur, selenite or selenate is formed, the preparation and production processes are difficult, and the ionic selenium is insoluble in water and not beneficial to plant absorption.

In order to achieve the purpose, the invention provides the following technical scheme: a production process of ionic selenium comprises selenium-containing soil, and the process comprises the following main steps: measuring selenium-containing soil, digging the selenium-containing soil, processing the selenium-containing soil and generating the ionic selenium.

Preferably, the determination of the selenium-containing soil comprises the following steps:

1) carrying out multi-point sampling measurement operation on the selenium-containing soil through a detection instrument, and measuring the selenium-containing degree in the soil;

2) and synchronously selecting the soil in the area, so that the organic selenium in the soil completes the subsequent operation to be processed.

Preferably, the detection instrument can be one of an ultraviolet-visible spectrophotometer, a vortex mixer, a constant temperature oscillator and a constant temperature water bath.

Preferably, the excavation of the selenium-containing soil comprises the following steps:

1) excavating the selenium-containing soil in the multi-point location determination area through an excavating device, and weighing quantitative soil through weighing equipment;

2) and screening out impurities in the soil, and selecting a container for storage.

Preferably, the processing of the selenium-containing soil comprises the following steps:

1) the method comprises the following steps of (1) introducing microbial colonies into soil in a container, decomposing organic-state selenides in the soil, volatilizing and dissipating gaseous alkyl selenides into a closed container, and collecting the gaseous alkyl selenides through a collecting device;

2) and then carrying out chemical reaction on the gaseous alkyl selenide, and adding a chemical reagent to enable the gaseous alkyl selenide to generate the ionic selenium.

Preferably, after the selenium-containing soil is processed through the steps, ionic selenium is generated, belongs to organic selenium, and is easily absorbed by plants after being complexed with fulvic acid.

Compared with the prior art, the invention has the beneficial effects that: this ionic selenium's production technology, through carrying out the operation of microbial community decomposition to the selenide in the soil that contains selenium, give out gaseous state alkyl selenide for gaseous state alkyl selenide can carry out abundant reaction with chemical reagent between, produce ionic selenium, and whole process is in airtight space and goes on, effectively guarantees ionic selenium and in the production process, avoids it because of the leakproofness is not enough, causes oxidation phenomenon, appears selenite or selenate, is difficult to be absorbed by the plant, the phenomenon that needs purify once more.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a technical scheme that: a production process of ionic selenium comprises selenium-containing soil, and comprises the following main steps: measuring selenium-containing soil, digging the selenium-containing soil, processing the selenium-containing soil and generating the ionic selenium.

Example 1

Carrying out multi-point sampling determination operation on the selenium-containing soil through a vortex mixer, determining the selenium content in the soil, and synchronously selecting the soil in the area to enable the organic selenium in the soil to complete the subsequent operation to be processed; excavating selenium-containing soil in the multi-point location determination area through an excavating device, weighing quantitative soil through weighing equipment, screening impurities in the soil, and selecting a container for storage; the method comprises the steps of introducing microbial colonies into soil in a container, decomposing organic-state selenides in the soil, volatilizing and dissipating gaseous alkyl selenides into the closed container, collecting the gaseous alkyl selenides through a collecting device, carrying out chemical reaction on the gaseous alkyl selenides, and adding a chemical reagent to enable the gaseous alkyl selenides to generate ionic selenium.

Example 2

Sampling and determining selenium-containing plants by an ultraviolet-visible spectrophotometer, and synchronously selecting plants in the region to enable the organic selenium in the plants to complete subsequent to-be-processed operation; picking up the selenium-containing plants in the area through a picking-up device, weighing quantitative plants through weighing equipment, screening out impurities in the plants, and selecting a container for storage; the plant is decomposed by introducing microbial colonies into the plant in the container, the gaseous alkyl selenide is volatilized and dissipated into the closed container, the gaseous alkyl selenide is collected by the collecting device, the gaseous alkyl selenide is subjected to chemical reaction, and a chemical reagent is added, so that the gaseous alkyl selenide generates ionic selenium.

The production process of the ionic selenium firstly selects the detection instruments of the ultraviolet-visible spectrophotometer, the vortex mixer, the constant temperature oscillator and the constant temperature water bath tank by the staff, the detection instrument is used for sampling and determining the selenium-containing soil or the selenium-containing plants, then the selenium-containing soil is dug and taken, and immediately weighing a quantitative sample, screening out impurities in the soil, putting the impurities into a closed container to finish the storage operation, then microbial colonies are introduced to decompose the organic selenide in the soil, the gaseous alkyl selenide is volatilized and dissipated into a closed container, then the gaseous alkyl selenide is collected by a collecting device, chemical reagent is added, and chemically reacting with the gaseous alkylselenide in the collecting device to make the gaseous alkylselenide produce ionic selenium.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.