Aluminous profile abandons water treatment

One, introductive
Water consumption of processing of aluminous profile appearance is big, produce liquid waste much, harmful material is discharged continuously in liquid waste. If do not try,processing is sure to pollute an environment. A companion is opposite as China the pay taxes of blowdown flow rate, the capital that also can add a company and load. Consequently, from the social responsibility of the company and benefit two respects consider, having useless water treatment is to must be mixed necessary. The craft delibrate that the author sums up processing of appearance of old aluminous profile and liquid waste processing is experienced with what deal with, put forward to a practical liquid waste is handled and answer maneuver to delimit, consult for the person of the same trade.

2, the source that aluminous profile appearance handles liquid waste and sort
The acidity after be being counteracted what the liquid waste that aluminous profile appearance handles has pre-treatment except oil is bath water, alkaline the acidity bath water after water of bath of the acidity after the alkalescent bath water after corroding, acid etching, oxidation, the useless acid that equipment of ion exchange of lacquer of water of 2 ＋ of the 2 ＋ of the ｉ that contain N after chromatically, S ｎ , acidity bath, electrophoresis produces, useless alkaline with liquid waste of lacquer of a few electrophoresis. Acidity is shown after liquid waste mixes, contain a lot ofA ｌ the cation such as 3 ＋ of 4 ＋ of 2 ＋ of 2 ＋ of 3 ＋ , N ｉ , S ｎ , S ｎ , N ａ ＋ , C ｒ , and ｌ of SO42- , F- , NO3- , C - , ｃ of A ｌ O2- , A - wait for anion, and the organic matter such as colophony of rare acid of outside activator and third. Waste liquid has defatted counteract those who happen is useless vitriolic, the waste liquid such as the 2 ＋ of the ｉ that contain N of happening of the useless acrylic juice that lacquer of the abandons vitriolic, chromatically happening waste liquid that useless nitric acid and oxidation produce, electrophoresis produces, sealing of hole, F- .

3, the method that cuts liquid waste and waste liquid to discharge
The method that cuts liquid waste and waste liquid has reasonable hold accuse to accuse water time and hold accuse viewpoint of feed a machine to cut down groovy fluid to take an amount, use 2 level as far as possible 3 class are refluent full, reduce water consumption. Acid etching and defatted hind the bath after bath water is corroded with Yu Jian, water of the bath after oxidation is used at acid etching to mix defatted hind bath. Other to cut down or avoid liquid waste is discharged with what abandon groovy fluid, product line should plan and apply all sorts of calling in equipment, if acid etching calls in,equipment, alkaline corrode calls in equipment, zincous oxidation divides RO of fluid of aluminous equipment, chromatically to call in RO of lacquer of equipment, electrophoresis calls in equipment, apply these calling in equipment can fall liquid waste dosage and waste liquid discharge capacity utmost, together also of utmost reduced manufacturing capital.

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