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Talk again " 0 discharge " the application of technology of water treatment of c
From;    Author:Stand originally

1 overview

Of water treatment of closed circuit loop " 0 discharge " technology, it is to will eletroplate the water pollution of the process is eliminated again in producing a course. Workpiece cleans water to be only inside the system circular answer is used, not to discharge outside the system, this is handy the water treatment technology with easy travel, practical economy.

"0 discharge " research only then at 20 centuries 70 time later period, applied be current to 90 time initial stage be on the wane. Because transfer matic investment is huge,the reason of decline is, effects is very small and bring about.

If why invest the least, achieve the optimal result of water treatment technology, it is the problem that eletroplates to place of project technology personnel should be discussed and be solved all the time. Should sum up historical lesson currently, let " 0 discharge " technology of closed circuit loop returns to economy afresh practical former come up.

  

Talk again " 0 discharge " the application of technology of water treatment of closed circuit loop

2 give priority to circularly with natural closed circuit, compulsive closed circuit is circularly complementary " 0 discharge " technology

Plating the loop that cleans water is used do not discharge, by need not the loop of natural closed circuit that equipment handles and the compulsive closed circuit that use equipment processing less circulate two systems composition. Former it is individual processing, latter is integrated processing, both can divide a pace to carry out, also can undertake at the same time, but cannot intersected whole.

The 2.1 individual event that give priority to circularly with natural closed circuit administer a technology

Need not the natural closed circuit with equipment processing, low cost circulates, plant by each plating craft plating chamfer reachs his 4 class clear washing trough and perch reclaim fluid reserves the circulatory system with groovy respective composition, use method of periodic intermittent and refluent full. Outside the complement that full water divides plating fluid, it is only inside the system circular answer is used, not to discharge outside the system. Full is suitable direction, answer recover to use be not being cleaned is those who return way pour groove. The standard of cycle pouring groove is: Of exalted chamfer reclaim fluid fills plating chamfer pours groove for normal cycle, if because of water of end chamfer full rudimental fluid chroma affects work when effective full pour groove, pour groove to be not normal cycle.

Pour groovy measure: Water of 1 chamfer full pours chamfer of exalted chamfer;2 to pour 1 chamfer, enter 3 chamfer till 4 chamfer, when workshop loop water fills to need bulk into 4 chamfer place, new total cycle time begins. Pour groovy method, because of the condition different, the condition uses filter well to pour groove, what differ a bit is usable small acid-proof pump pours groove, too poor pour groove artificially.
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