A low-mineralization soft water purification process suitable for mother and baby drinking

Abstract

The application discloses a low-mineralization soft water process suitable for mothers and infants, and belongs to the technical field of drinking water processing. In view of the industry pain point that existing drinking water cannot simultaneously consider low metabolic burden and high-quality taste for mothers and infants, the conventional pure water is excessively desalted to cause harsh taste, and the ordinary mineral water is high in sodium and mineralization degree, which is not suitable for the problem of the delicate kidney metabolism of infants and young children, the application provides a whole-process pure-physical and chemical-free water purification process. The process is characterized in that: through the core processes of multi-stage precision pretreatment, double-stage gradient precise control of mineral desalination, selective low-sodium adsorption and physical water molecule softening and aging, the water body indexes are accurately controlled, the low-mineralization and ultra-low-sodium purified water is stably prepared, the macromolecular water clusters are broken, the hydrogen bond structure of the water body is reconstructed, and the super-soft water quality is realized. The drinking water prepared by the process is suitable for the physiological characteristics of mothers and infants in mineralization degree and sodium content, has no metabolic burden and has a warm and delicate taste, is free of external source addition in the whole process, is safe and stable in water quality, can be mass-produced, and is suitable for the scenes of daily direct drinking, milk powder preparation, complementary food preparation and the like of mothers and infants.

Description

Technical Field

[0001] This invention relates to the field of refined drinking water processing technology, specifically to a low-mineralized, gentle water purification process suitable for mothers and infants, and is particularly applicable to the industrial production of low-burden, ultra-gentle, high-end drinking water specifically for infants, pregnant women, and postpartum women. Background Technology

[0002] Pregnant women and infants have underdeveloped kidneys and delicate physiological functions, requiring significantly higher levels of mineralization, sodium ion content, and smoothness in their drinking water compared to ordinary drinking water. Currently, mainstream drinking water on the market has obvious limitations: traditional double-stage reverse osmosis purified water completely removes minerals, resulting in near-zero mineralization and larger water molecule clusters, leading to a dry taste and hard water quality, making it unsuitable for long-term consumption; while conventional natural mineral water and mineralized water generally have high total mineralization and high sodium ion content, which can increase the metabolic burden on infants' kidneys and easily cause electrolyte imbalances, failing to meet the low-burden drinking needs of mothers and infants.

[0003] Most existing water purification processes only pursue water purity, failing to achieve precise and differentiated control of mineralization and sodium ions. This makes it difficult to simultaneously meet the two core requirements of low metabolic burden and ultra-soft taste, and there is a lack of refined water purification processes specifically tailored for mothers and infants. Therefore, developing a water purification process specifically for mothers and infants that can precisely control minerals, achieve ultra-low sodium, produce soft water, and is safe and additive-free is an urgent need in the production of high-end drinking water for mothers and infants. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies, such as unreasonable mineralization parameters, high sodium content, harsh and dry taste, and unsuitability for mothers and infants. It provides a low-mineralized and gentle water purification process suitable for mothers and infants. Through pure physical fine-grained graded control technology, it accurately locks in the low-mineralized and ultra-low sodium water quality range, while modifying the microstructure of the water body to create a low metabolic burden and ultra-gentle water for mothers and infants.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A low-mineralized, gentle water purification process suitable for mothers and infants is characterized by employing a purely physical treatment process throughout, without any chemical additives or artificial mineral blending. Through precise mineral control, selective sodium reduction, and synergistic physical softening of the water, it prepares low-mineralized, ultra-gentle purified water suitable for mothers and infants, including the following steps:

[0007] Step 1: Multi-stage precision pretreatment of raw water: Using natural spring water as the source, the raw water is filtered through a multi-stage gradient filtration process, including quartz sand filtration, coconut shell activated carbon filtration, and a 5μm precision security filter, to thoroughly remove sediment, suspended solids, colloids, residual chlorine, and large molecular organic matter from the water, resulting in clean and impurity-free pretreated raw water.

[0008] Step 2, Two-stage gradient precision mineral control and desalination: The pretreated raw water is sent into a two-stage reverse osmosis system. The gradient treatment mode of primary high-pressure reverse osmosis for preliminary desalination and secondary low-pressure precision mineral control is adopted. The complete desalination process is abandoned, and excess inorganic salts and heavy metals are precisely intercepted. The total mineralization of the water body is stably controlled at 20-50 mg / L, forming a low-mineralized basic water body with balanced mineralization.

[0009] Step 3, Selective ultra-low sodium modification treatment: The low-mineralized base water is passed through a food-grade specific sodium ion chelation adsorption filter layer. Utilizing the selective adsorption characteristics of the filter material, sodium ions in the water are preferentially and precisely removed, while trace amounts of beneficial trace elements such as calcium and magnesium are retained. The sodium content of the finished water is controlled to ≤8mg / L, which significantly reduces the metabolic burden on the kidneys of mothers and infants.

[0010] Step 4, Physical Ultra-Softening Low-Temperature Maturation: The modified low-sodium, low-mineralized water is transported to a sealed constant-temperature stabilization tank, and the water temperature is controlled at 10-15℃. Low-speed spiral turbulence is used for homogenization for 40-60 minutes, combined with high-pressure turbulent shearing process to break down large water molecule association groups, reconstruct the hydrogen bond arrangement structure of the water, eliminate the dry and harsh texture of the water, and form a delicate and smooth ultra-soft water quality.

[0011] Step 5, Aseptic Sealed Constant Temperature Filling: The matured purified water is filled at a constant temperature in a Class 10,000 aseptic cleanroom. A micro-negative pressure screw cap sealing process is used to prevent the intrusion of external air and microorganisms, avoid secondary pollution of the water, and ensure the long-term purity and stability of the finished water quality.

[0012] Compared with the prior art, the present invention has the following significant advantages:

[0013] Ultra-low sodium, low metabolic burden, suitable for mothers and infants: This process uses selective sodium ion adsorption technology to precisely control sodium to within 8mg / L, which is far below the national standard limit for drinking water for mothers and infants. This minimizes the metabolic burden on the kidneys of infants and young children, is suitable for the delicate physiological functions of pregnant women and infants, and is suitable for long-term drinking, preparing formula, and making complementary foods.

[0014] Precise low mineralization, mild and balanced water quality: Adopting a two-stage gradient mineralization control process, the water mineralization is stabilized in the golden range of 20-50mg / L. This avoids the blandness and dryness of pure water with zero mineralization, and also avoids the hard irritation of highly mineralized water. The water quality is mild and balanced, suitable for the exclusive drinking water needs of mothers and infants.

[0015] Physical modification for an ultra-smooth water taste: Through high-pressure turbulent shearing combined with low-temperature constant-temperature maturation technology, large water molecule clusters are broken down and the microstructure of the water is optimized, resulting in higher water molecule activity and a finer texture. The water is soft and smooth on the palate, completely solving the problem of the harsh taste of conventional purified water.

[0016] Purely physical process, safe and additive-free: The entire process contains no chemical reagents, no artificial minerals, and no water quality regulators. It relies entirely on physical filtration, adsorption, and water modification to optimize water quality, resulting in no secondary pollution and naturally safe water that meets high-end drinking water safety standards for mothers and infants.

[0017] Stable parameters and scalable mass production: The parameters of each process are precise and controllable, the water quality is highly consistent across batches, and it can be directly adapted to existing drinking water production lines without major equipment modifications. It is suitable for the large-scale and standardized production of mother and baby-specific water purification. Attached Figure Description

[0018] Figure 1 This is a flowchart illustrating the overall process of this invention. Detailed Implementation

[0019] Example 1:

[0020] A low-mineralized, gentle water purification process suitable for mothers and infants includes the following specific steps:

[0021] Step 1: Raw water pretreatment: Natural spring water is selected as the raw water and passes through a quartz sand filter, a high iodine value coconut shell activated carbon filter, and a 5μm precision security filter in sequence to remove impurities, residual chlorine, and odors from the water, resulting in clean pretreated raw water.

[0022] Step 2, Gradient mineralization control and desalination: The raw water undergoes a first-stage high-pressure reverse osmosis to initially remove most of the inorganic salts and heavy metals, and then undergoes a second-stage low-pressure reverse osmosis to precisely control the mineralization, ultimately stabilizing the total mineralization of the water at 32 mg / L;

[0023] Step 3, Selective Sodium Reduction Treatment: The water flows through a food-grade sodium ion-specific chelating filter media layer, which precisely adsorbs and removes sodium ions. The sodium content of the finished product is measured to be 6.1 mg / L, while retaining trace amounts of beneficial calcium and magnesium ions.

[0024] Step 4, Water softening and maturation: The water is sent into a sealed constant temperature stabilization tank, the water temperature is controlled at 12℃, and the water is homogenized by low-speed spiral turbulence for 50 minutes. Combined with high-pressure turbulent shearing to break up large water molecules, the hydrogen bond structure of the water is reconstructed to complete the water quality super softening modification.

[0025] Step 5, Aseptic Filling: Filling is carried out at a constant temperature in a Class 10,000 aseptic workshop, and a micro-negative pressure is used to seal the cap to isolate external contamination, resulting in the finished product of mother and baby-specific purified water.

[0026] Testing showed that the finished water from this embodiment was clear, had a soft and smooth taste, and was not dry or harsh. All indicators met the standards for drinking water for mothers and infants, and the metabolic burden was extremely low.

Claims

1. A low-mineralized, gentle water purification process suitable for mothers and infants, characterized in that, The entire process employs a purely physical, additive-free technique to prepare mother-and-baby-specific purified water through precise mineral control, selective sodium reduction, and physical softening of the water. The steps include: Step 1: Multi-stage precision pretreatment of raw water: Raw water is sequentially filtered through quartz sand, coconut shell activated carbon, and a 5μm precision security filter to remove suspended solids, colloids, residual chlorine, and organic matter, obtaining clean pretreated raw water; Step 2: Two-stage gradient precision mineral control and desalination: A gradient process of first-stage high-pressure reverse osmosis for preliminary desalination and second-stage low-pressure precision mineral control is used to stably control the total mineralization of the water at 20–50 mg / L, preparing low-mineralized basic water; Step 3: Selective ultra-low sodium modification treatment: The low-mineralized water is further modified by... The process begins with the following steps: Step 1: Using a food-grade, specific sodium ion chelation and adsorption filter layer, sodium ions are precisely removed from the base water, ensuring the sodium content of the finished water is ≤8mg / L while retaining trace amounts of beneficial trace elements such as calcium and magnesium. Step 2: Physical ultra-softening low-temperature maturation. The water is then placed in a sealed, constant-temperature stabilization tank and homogenized at 10–15℃ using low-speed spiral turbulence for 40–60 minutes. This is combined with high-pressure turbulent shearing to break down large water molecules and reconstruct the hydrogen bond structure of the water, achieving ultra-softening of the water quality. Step 3: Aseptic, sealed, constant-temperature filling. The matured purified water is then filled at a constant temperature in a Class 10,000 aseptic workshop using a micro-negative pressure screw cap to prevent secondary contamination, resulting in a finished product of low-mineralized, soft purified water specifically for mothers and infants.

2. The low-mineralized, gentle water purification process suitable for mothers and infants as described in claim 1, characterized in that: In step 2, the dual-gradient reverse osmosis adopts a non-complete desalination mode. The first-stage reverse osmosis removes heavy metals and excess salt under high pressure, while the second-stage reverse osmosis precisely adjusts the mineralization under low pressure to avoid excessive purification of the water, which would result in a dry taste.

3. The low-mineralized, gentle water purification process suitable for mothers and infants as described in claim 1, characterized in that: In step 3, the food-grade specific sodium ion chelating adsorption filter media has the characteristic of selective adsorption of sodium ions, preferentially adsorbing sodium ions in water, and without adsorption loss of beneficial minerals such as calcium and magnesium.

4. The low-mineralized, gentle water purification process suitable for mothers and infants as described in claim 1, characterized in that: In step 4, the low-speed spiral turbulence velocity is controlled at 0.8–1.2 m³ / h to ensure the homogeneity of the water body without damaging the modified microstructure of the water body.

5. The low-mineralized, gentle water purification process suitable for mothers and infants as described in claim 1, characterized in that: The core indicators of the finished water purifier are: total mineralization of 20-50 mg / L, sodium content of ≤8 mg / L, water with a small molecular soft structure, no dry or harsh taste, suitable for pregnant women, infants and young children to drink directly, as well as for the preparation of complementary foods and milk powder.

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