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[Chemical Knowledge]：Production and manufacturing method and process of potassium water glass

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The manufacturing method
of potassium water glass
1. Introduction

potassium water glass, also known as potassium silicate, is an important inorganic chemical raw material, widely used in ceramics, glass, soap, textiles, coatings, building materials and other fields. Because of its unique physical and chemical properties, potassium water glass has an important position in the field of chemical production raw materials. This article will detail the manufacturing method of potassium water glass.

2. raw materials and equipment

1 raw materials: potassium hydroxide (KOH), quartz sand (SiO2), water (H2O).
2. Equipment: reaction kettle, stirrer, thermometer, pH meter, filter, storage tank.

3. manufacturing steps

1 ingredients: according to a certain proportion of potassium hydroxide, quartz sand and water into the reaction kettle. In general, the mass ratio of potassium hydroxide to quartz sand is 1:2 to 1:3, and the amount of water added is determined according to the reaction requirements and equipment capacity.
2. Stirring and reaction: Start the stirrer and mix the raw materials in the reaction kettle. As the reaction proceeds, the potassium water glass is gradually formed. The reaction temperature is controlled within an appropriate range, generally 80 to 120°C. At the same time, use a pH meter to monitor the pH of the reaction system to ensure that the reaction proceeds smoothly.
3. Aging: After the reaction is completed, stop stirring and let the potassium water glass mature in the reactor for a period of time to improve its stability and quality.
4. Filtration and storage: After the maturation is completed, the potassium water glass is separated from the solid residue through a filter, and then the clear potassium water glass is poured into a storage tank and sealed for storage.

4. precautions

1. Strictly control the proportion of raw materials and reaction temperature to ensure that the generated potassium water glass meets the quality requirements.
2. During the reaction, pay close attention to the change of pH value and adjust the amount of potassium hydroxide in time to maintain the stability of the reaction system.
3. aging time should be appropriate, too long or too short will affect the quality of potassium water glass.
4. Keep the equipment clean during the filtration process to avoid impurities entering the potassium water glass.

5. quality control and testing

In order to ensure the quality of potassium water glass, it is necessary to carry out a series of quality control and testing. First of all, the quality of raw materials should be inspected regularly to ensure that the raw materials meet the standard requirements. Secondly, in the reaction process, we should pay close attention to the pH value, temperature and viscosity of the reaction system and adjust it in time. Finally, the quality of the resulting potassium water glass should be tested, including appearance, concentration, viscosity, pH and other indicators, to ensure that the product meets the relevant standards and quality requirements.

6. safety and environmental protection

In the manufacturing process of potassium water glass, we must always pay attention to safety and environmental protection. First of all, to ensure the safety of the operator, comply with the relevant safety procedures, equipped with the necessary protective equipment. Secondly, it is necessary to reduce the discharge of wastes and pollutants, make rational use or treatment of wastes, and protect the environment.

7. conclusion The manufacturing method of

potassium water glass involves many links and precautions, and it is necessary to strictly control the requirements of raw material ratio, reaction conditions and quality inspection. By mastering appropriate manufacturing methods and quality control measures, high-quality potassium water glass can be produced, which provides important support for the field of chemical production raw materials.

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