Method for treating nitrated bamboo cellulose soda boiling wastewater
A treatment method and cellulose technology, which is applied in the direction of processing wastewater treatment, water/sewage treatment, water treatment parameter control, etc., can solve the problems of recycling nitrated bamboo cellulose alkali-boiled wastewater, environmental pollution, Waste of resources and other problems, to achieve the effect of solving the problem of sewage discharge, good treatment effect and low cost
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Embodiment 1
[0017] A kind of processing method of nitrated bamboo cellulose alkali boiling waste water, concrete steps are as follows:
[0018] Transfer 1000L of nitrobamboo cellulose alkaline cooking wastewater to container A with a capacity of 2000L, and inject nitrobamboo cellulose washing wastewater into container A while container A is stirring, and monitor the pH value in container A during the injection process Change, when the pH value reaches 7, stop injecting nitrocellulose washing wastewater into container A, and measure the amount of washing wastewater injected at this time to be 423L; heat the temperature of container A to 70°C, stir for 10 minutes, and observe again The pH value in container A is found to have no change, and the mixed liquid in container A is recorded as liquid M at this time; liquid M in container A is transferred to vacuum evaporation container B, and under stirring state, vacuum evaporation container B Vacuumize, in the state of continuous vacuuming, rais...
Embodiment 2
[0021] A kind of processing method of nitrated bamboo cellulose alkali boiling waste water, concrete steps are as follows:
[0022] Transfer 150L of nitrobamboo cellulose alkaline cooking wastewater to 300L container A, and inject nitrobamboo cellulose washing wastewater into container A under the stirring state of container A. During the injection process, monitor the pH value change in container A, When the pH value reaches 7-8, stop injecting nitrocellulose washing waste water into container A, measure and inject a total of 45L; heat container A to 50°C, stir for 15 minutes, and observe the pH in container A again Value changes, and now the pH value is close to 9, higher than 7, in the stirring state, add nitrocellulose washing waste water in the container A, and monitor the pH value change in the container A simultaneously, when the pH value reaches 7, Stop adding the nitrocellulose washing waste water in the container A, measure and add 5L altogether, the mixed liquid in ...
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