What are the precautions for plastic filter (PP) cleaning? PP filter: single-cylinder filter with various PP filter elements,Generally low prices,But the filter element is easily blocked,Need to be replaced frequently,And the filtering accuracy is not high,For preliminary filtration of water only.1. Overview PP filter element is made of polypropylene (PP) Hot MeltThe number of micron is from 1um to 300um.The filter element has no internal shaft and adopts the design of internal dense and external sparse,Not only can stable flow, poor pressure and service life be maintained,At the same time, it has excellent deep filtration effect and pollutant accumulation,It is a filter element with high efficiency, low pressure difference, long service life and wide applicability.Because the chemical composition of PP is clean,And meet the hygiene standards for consumption,It will not cause secondary pollution to the liquid to be filtered due to the material,With high flow rate, high precision, corrosion resistance and high
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How to deal with waste batteries? Recycling method: Laboratory recycling method: ordinary dry batteries are cylindrical,The outer cylinder is made of zinc,This zinc cylinder is the negative pole of the battery;The central carbon rod of the cylinder is the positive pole;Manganese dioxide in the cylinder,Ammonium chloride and zinc chloride.(1) extraction of ammonium chloride: stir and filter the black substance in the battery in water,Put part of the filter in the pan to evaporate,Solid White,Re-heating,Use 'sublimation' to collect more pure ammonium chloride.(2) preparation of zinc particles: cut the zinc sheet on the zinc cylinder into pieces,Medium-strong heat in The Crucible (419 degrees melting point of zinc ),Carefully pour the zinc sheet into cold water after melting,Get zinc.Industrial recycling methods: There are roughly three kinds of waste battery treatment methods in the world: Curing Deep Buried, storing in waste mines and recycling.For example, a French factory extracts nickel and cadm
