Coating standard: discharge standard of pollutants for titanium dioxide industry

Core tips: 1 Serial number of water pollutants unit discharge concentration limit of pollutants monitoring position of advanced enterprise standard pollutant discharge of existing enterprises 1 Hexavalent chromium mg / l0.50.20.5gb8978-1996 / discharge port 2 Total chromium mg / l1.51.00.51.0gb8978-1996 (blue word) 3 Total mercury mg / l0.050.050.050.05gb8978-19964 Total lead mg / l1.01.00.51.0gb8978-19 Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint In fact, there is no ugly color in the wall paint, only the disharmonious color matching The use of wall color contains the knowledge of health Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health Grasp the basic principles of wall color and paint a colorful space 1、 Wall paint color selection notice 1 Light color is generally used for the top surface Light colors make people feel light, dark colors make people feel heavy Usually, the treatment of rooms is from top to bottom, from shallow to deep For example, the ceiling and walls of rooms are white and Paint Home News: 1 Water pollutant No pollutant unit emission concentration limit advanced enterprise standard pollutant emission monitoring location of existing enterprises 1 hexavalent chromium mg / L 0.50.20.5 GB8978-1996 / discharge port 2 total chromium mg / L 1.51.0.51.0 GB8978-1996 (blue word) 3 total mercury mg / L 0.05 0.05 0.05 GB8978-1996 4 total lead mg / L 1.01.0 GB8978-1996 5 total cadmium mg / L 0.1 0.1 0.05 0.1 GB8978-1996 6 pH immeasurable steel 6 to 9 6 to 9 6 to 9 6 to 9 6 to 9 GB8978-1996 7 sulfide mg / L 1.01.0 0 0.5 1.0 GB8978-1996 8 suspended solids SS mg / L 150 100 80 100 GB8978-1996 9 chemical oxygen demand COD mg / L 150 120 100 100 GB8978-1996 10 radioactive sewage GB18871-2002 2 Exhaust gas No pollutant maximum allowable emission concentration (mg / Nm3) maximum allowable emission concentration Emission rate (kg / h) unorganized emission (mg / m3) pollutant emission monitoring position 1 particle 120 51.6 1.0 GB16297-1996 2 Cl2 85 5.9 0.4 GB16297-1996 3 SO2 700 39 0.4 GB16297-1996 4 HCl 150 4.5 0.2 GB16297-1996 paint home is focused on coatings, diatom mud, paint coating materials, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, Decoration knowledge and effect drawing of fireproof coating,