Read the following materials and answer the questions. material 1: China is one of the 13 most water-deficient countries in the world. the per capita freshwater resources are only four points of the world's per capita level. (1) the problems existing in the use of water resources in the location are: free discharge of domestic sewage and washing cars with a large amount of water instead of manual scrubbing;(2) measures to save water in life: flush toilets with washing clothes and use water-saving toilets;(3) the method of purifying water used in the above experiment: static precipitation, adsorption precipitation, filtration;(4) one of the instruments still missing in the filtration operation with the filtration method shown in the figure is the glass rod,Its function is drainage,There are some matters that should be paid attention to in the filtering operation,Otherwise, it will lead to adverse consequences such as failure of the experiment. for example, if the glass rod is close to one side o
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Formation of soil leakage in beer filtration The filtration of suspended solids in beer has always been a technical problem and key point of brewery, and its research is a subject integrating theory and practice. To solve this technical problem by exploring the formation mechanism of beer suspended matter, studying and identifying the method of beer suspended matter and sediment, and identifying the composition of suspended matter is a long-term and complicated work. For enterprise technicians, it is an effective way to solve the problem by strengthening filtration in the appropriate process and avoiding suspended matter entering liquor.Liquid bag filter has been widely used and promoted by famous manufacturers in the domestic food and beverage industry. it is a closed filtration system, which is divided into various forms such as single bag, double bag and multi bag, its working principle is to filter by pressure. The complete bag filter consists of three parts: filter container, support net ba
