More than 1, the rest of the relative density is less than 1 (
Floating oil, oil droplets size is larger than 100 (including m, is easy to be separated from the wastewater is my company introduction of foreign advanced technology to produce XRAF series eddy concave gas floatation processing equipment, mainly used in the papermaking industry, chemical industry, printing and dyeing, oil refining and other industrial wastewater and urban sewage purification treatment with XRAF eddy concave air-flotation equipment urban sewage and industrial sewage without pressure dissolving tank, air compressor, circulating pump accessories such as the device to remove the grease, jelly, suspended solids in the wastewater, COD and BOD, midway through chemical pulping wastewater treatment with it can be big sea product processing wastewater treatment equipment
and biochemical secondary treatment wastewater treatment equipment manufacturing company (
If use waste paper as raw material, in the process of waste water after deinking, bleaching, etc, to satisfy the need for biochemical secondary treatment, or recycling)
The size of the equipment, can even save biochemical treatment process directly discharging standard, thereby significantly reducing the overall investment costs 2, 2019 new laboratory wastewater treatment equipment in shandong province water environmental engineering co. , LTD. Product environmental protection tool walter hua yu lu lab sewage treatment equipment
is widely applied in medium and institutions of higher learning, scientific research institutes, medical institutions, biological pharmaceutical wastewater treatment equipment production company, the centers for disease control and prevention, ring, product quality inspection, inspection and quarantine, drug inspection, blood stations, livestock, hospitals, petrochemical industry, enterprises and other laboratory, laboratory wastewater treatment, after processing wastewater comply with the class a of integrated wastewater discharge standard'
Of primary, secondary and tertiary standard, treated sewage can be discharged into the municipal sewage pipe network, and can also through the process again after the treatment of wastewater for reuse product quality inspection, food analysis room, laboratory wastewater generated by the agricultural technology center: chemical ventricular, drug residues, such as laboratory wastewater produced by biological pharmaceutical, chemical and physical analysis, quality inspection room, laboratory wastewater produced by companies such as: central laboratory, quality inspection room, laboratory and other sewage treatment equipment accessories laboratory wastewater generated by three, sewage wastewater treatment equipment in the domestic wastewater, food processing and paper and other industrial waste water, contain carbohydrates, protein, oil, lignin and other organic substances.
These substances to suspended or dissolved state exists in sewage, can be decomposed by microbial biochemical effect.
Need to consume oxygen in the process of its decomposition, and thus is called oxygen contamination.
These pollutants can cause the water dissolved oxygen decrease, affect the growth of fish and other aquatic organisms.
After the water dissolved oxygen depletion, anaerobic decomposition of organic matter, produce the bad smell, such as hydrogen sulfide, ammonia and mercaptan worsen water quality further.
Composition of organic matter in water is very complex, oxygen concentration of organic matter per unit volume of water is commonly used oxygen consumption substances in the process of decomposition of biochemical oxygen, said that by biochemical oxygen demand (
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