Micro-nano shell powder fruit-vegetable cleaning agent and preparation method thereof
A fruit and vegetable cleaning agent, micro-nano technology, applied in detergent compositions, chemical instruments and methods, non-surface-active detergent compositions, etc., can solve problems such as unfavorable human health and environmental pollution, inconvenience in life, and washing residues. Achieve good adsorption, strong bactericidal ability, and prolong shelf life
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Embodiment 1
[0024] A preparation method of a micronano shell powder fruit and vegetable cleaning agent, comprising using shells as raw materials, wherein: Preparation of micro-nano shell powder: Soak shells in acid for 0.5-1h, then soak in alkali solution for 0.2h; wash with water for 0.2h, desalinate, degrease, and dry, then calcine and catalyze at high temperature, and after cooling, ultrafine Grinding to obtain micronano shell powder;
[0025] Preparation of micronano shell powder fruit and vegetable cleaning agent: steps The prepared micro-nano shell powder is added with citric acid, sodium metasilicate and sodium citrate in a proportion of 0.7%-7% by mass fraction to prepare a fruit and vegetable cleaning agent based on micro-nano shell powder. The shells are treated with specific acid and alkali, and then High-temperature catalysis, after pulverization, the specific surface area increases and uniform pores are presented. The pores have good adsorption performance for oil and so...
Embodiment 2
[0027] A kind of preparation of fruit and vegetable cleaning agent based on micronano shell powder is prepared according to the following steps:
[0028] 1. Preparation of micro-nano shell powder: desalinize the shells first, then degrease, degrease the degreased shells with a drum sieve, perform high-temperature calcination and catalysis at 850°C-900°C, and use an ultra-fine grinder after cooling Grinding into shell powder to obtain micronano shell powder with a particle size of 14.83um; soaking in hydrochloric acid for desalination treatment at room temperature. Preferably, the temperature can be controlled to be 30 degrees, and a product with better performance can be obtained. Alkali treatment uses sodium hydroxide. In this embodiment, the shells of shellfish and shellfish are preferably used as raw materials.
[0029] 2. Preparation of micro-nano shell powder fruit and vegetable cleaning agent: add 0.7%-7% citric acid, sodium metasilicate and sodium citrate to the prepa...
Embodiment 3
[0034] The shells are soaked in 0.5%-1% hydrochloric acid for 0.5-1h, then soaked in 0.3-0.8% sodium hydroxide solution for 0.2h, desalted and degreased, dehydrated, calcined and catalyzed at 900°C, cooled and then crushed with an ultra-fine grinder The calcined shells are ground to 14.83um, and 7% sodium citrate, 0.7% citric acid, and 5.5% sodium metasilicate are added to prepare the micronano shell powder fruit and vegetable cleaning agent.
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