Paper Industry Water Pollutant Emission Standards Gb3544
This standard production process in accordance with the provisions of the Paper Industry tons of products daily maximum allowable displacement, the maximum allowable daily average emission maximum allowable concentration and tons of product water emissions.
2 Scope This standard applies to the pulp and paper industry, paper and pulp and paper wastewater management joint ventures, and the paper industry construction project environmental impact assessment, environmental protection facilities construction project design, project acceptance and post-production wastewater management.
Technical content 1 into the GB3838 in Class water (except for water protection area), IV, V Class of waters and GB3097 in two, three, four categories of industrial waste waters of paper, respectively, in accordance with the implementation of the standard production process prescribed standard value.
2 into the set 2 Sewage Treatment Factory towns of the paper industry wastewater sewer should be provided to the local sewage treatment plant water standards.
3 standard value 2001 1 1, the paper industry are the implementation of water pollutant discharge standard value specified in Table 1.
4 Paper Pulp wastewater by enterprises with and without de-inking process to execute the bleached pulp and unbleached kraft pulp standards.
Chemical mechanical pulping wastewater discharged by enterprises with and without bleaching process to execute the bleached pulp and unbleached kraft pulp standards.
Monitoring and Implementation 1 samples Sampling points located in the discharge of waste water. Discharge must be set in permanent outfall signs, sewage and waste water flow measurement device proportion of continuous sampling devices.
Table 1 paper industry water pollutants discharge standard value type of project unit 3) and biochemical oxygen demand (BOD5) of chemical oxygen demand (CODcr) suspended solids (SS) AOX (AOX) 4) pH
M3 / t product kg / t product mg / L kg / t product mg / L kg / t product mg / L kg / t product mg / L
Pulping, pulp and paper 1) pulp character 150 10.5 70 52.5 350151006-9
Bleach 220 1.54 708840022100 2.64 126-9
Non-wood pulp qualities of 100 101,004,040,010,100 6-9
Bleach 300 3,010,013,545,030,100,279 6-9
Paper 2) the general mechanism of paper and paperboard 60 3.6 60610061006-9
Note: 1) pulping, pulp and paper: pure pulp or pulp and paper production output balance.
2) Paper: a simple paper or paper pulp production yield than paper production.
3) displacement of reference for the production process.
4) AOX (AOX) as reference. 2 sampling frequency Sampling frequency determined by the production cycle. Production cycle of 8 hours, and collected once every 2 hours; production cycle more than 8 hours, every 4 hours to collect one.
3 displacement Displacement, including displacement of pulp and paper production, chemical preparation of drainage does not include indirect cooling water, plant life, drainage and plant Boiler , Power plant discharge.
Mean daily discharge and concentration of emissions calculations.
4 product production statistics Pulp, paper or pulp and paper raw materials and the use of joint ventures, product yield to statutory months Report Prevail. According to their actual number of days normal production to calculate the average daily output of various products.
5 to determine the value of mixed-waste standards
Pulping, pulp and paper and mixed paper waste water emissions, its emissions target calculated in accordance with Appendix A.
6 Determination Determination of the standard used by the implementation of Table 2. Table 2 Determination of pollutants in the project method of determination of the standard serial number project
1 2 3 4 5 BOD5 CODCr SS pH AOX dilution and inoculation method the weight of potassium dichromate method Glass Micro-electrode coulometric method GB7488-86 BGll914-87 GBll901-89 GB6920-89GB/T15959-1995
Appendix A Mixed wastewater Standard Value
Pulping, pulp and paper and mixed paper waste water discharge, the use of tons of products are calculated daily maximum allowable displacement, the maximum allowable daily discharge of water pollutants in tons of product concentration and maximum allowable water matter emissions.
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