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What is the thickness of manganese sand in the iron and manganese tank 20? Many towns and industrial and mining enterprises in China use groundwater as water source.However, there is an excess of iron in groundwater in many areas,Its content is generally 2-16mq/L range.'Automatic iron and manganese removal filter' overcomes the human operation,Various problems caused by backwashing,Give full play to the special features of fully automatic work,Therefore, it has incomparable superiority in other iron removal devices,The iron content of groundwater after treatment is ≤ 0.3 mg/L,National GB5749-85 quality standards for drinking water.In addition to iron and manganese in water,Make the oxygen in the air two-valent iron,Oxidation of manganese at two prices,Generate Fe (OH) 3,Manganese dioxide,According to the content of iron and manganese in water,Jet aeration or hollow multi-face ball aeration are selected.Filter with first-class or multi-stage manganese sand filter,Can meet the processing re
What is the difference between the ultra-clean workbench and the bio-safety cabinet? 1. the biosafety cabinet is to suck air into it,Prevent biological germs or reagents from splashing out of safety cabinets to pollute laboratories and experimenters,It is mainly used to protect the human body.2. the super-clean workbench is blowing out,Regardless of lab and experimenter,It is an instrument to ensure the sterile environment of the test bench.3. the biosafety cabinet is a widely used safety equipment in scientific research, teaching, clinical inspection and production in the fields of microbiology, biomedicine, Gene restructuring, animal experiments, biological products, etc,It is also the most basic safety protection equipment in the first-level protection barrier of laboratory biosafety.4. the biosafety cabinet is a purification workbench with negative pressure,Properly operate the biosafety cabinet,Able to fully protect staff, test samples and prevent cross-contamination;The ultra-clean work
Can rural sewage be treated with integrated sewage treatment equipment? Since reform and opening up,Especially since the Seventeenth Party Congress,China has obviously accelerated the pace of new rural construction,Vigorously develop the construction of new countryside or small towns,It is a big strategy to promote the development of rural economy or small towns.But,While developing a rural economy or a small town economy,And brought about the problem of environmental pollution,Pollution control and environmental protection,It is another major measure of sustainable development.Construction of new rural areas and small towns in China,Environmental issues involved,There are two main aspects: rural sewage pollution and rural garbage pollution.In terms of rural sewage pollution,Mainly domestic sewage pollution, livestock sewage pollution, pesticide and fertilizer pollution, and some industrial pollution and other pollution.These pollutants
