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Through high-pressure water pump and special nozzle to spray water at high speed from up to down to atomize water to form fan-shaped "silver screen", the movie is displayed on the atomized screen.

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The technology is appiled to not only the treatment of organic industry waste water, but also pretreatment of city water supply source that is polluted , and it is the perfect biology filtering material that deal with matter of azote and phosphor in water.

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The percentage of Cyanide, phenol, mercury and chromium which have little effect on water quality is small and the variation tendency is slow. The percentage of Ammoniac azote, TP, TN, Cd, potassium permanganate index and fluoride which have much effect on water quality is big and the variation tendency is great. The percentage of DO, BOD5, petrochemical compounds and lead lies in the mean place between two guidelines above, which plays a normal role in contributing to the water quality of Yuehai, but the variation tendency is obvious.

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A process for treating the sludge generated by alumina sewage treating system incldues such steps as pumping the alumina sewage in sand depositing pool then in depositing pool, mixing the bottom sludge, the sewage from sand-water separator, and the regenerated water from filter to obtain backflush water, heating in desilicating heater, washing the secondary red mud to recover Na2O and Al2O3, anjd returning the washing liquid containing Na2O and Al2O3 back to the flow of production of alumina.

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From 93 to begin production barium hydroxide products so far, the company re-technology, and management is the production of "Pui-yu," licensing eight water barium hydroxide, a water barium hydroxide powder, a crystal water barium hydroxide, barium borate partial , barium carbonate, thiourea, and other products exported to the United States, Japan, Europe, South Africa, Southeast Asia, Taiwan, and other countries and regions.

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I have eight main products plant water barium hydroxide, a water barium hydroxide powder, a crystal water barium hydroxide, barium borate partial, thiourea, barium carbonate, barium chloride, barium nitrate, after I plant refined products up to no chlorine, no sodium, low Sr, low iron.

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