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Organosilicone wastewater treatment system and treatment method thereof

A waste water treatment system and treatment method technology, applied in water/sewage treatment, natural water body treatment, biological water/sewage treatment, etc., can solve the problems of complex treatment process, large amount of sludge generation, large floor area, etc., to achieve Developed pore structure, excellent adsorption performance, and high-efficiency treatment effect

Inactive Publication Date: 2018-11-09
ZHEJIANG XINAN CHEM INDAL GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method involves many treatment systems such as evaporation system, micro-electrolysis system, advanced oxidation system, UASB system, and contact oxidation system.

Method used

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  • Organosilicone wastewater treatment system and treatment method thereof
  • Organosilicone wastewater treatment system and treatment method thereof
  • Organosilicone wastewater treatment system and treatment method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0088] The organosilicon wastewater treatment system of this embodiment includes a wastewater pretreatment system and a wastewater treatment system connected in sequence, the wastewater pretreatment system includes a silicone resin wastewater pretreatment system (rectification unit), and the wastewater treatment system includes sequentially connected Neutralization adjustment unit, inorganic ion precipitation unit, heating unit (heat exchange and preheating unit), catalytic wet oxidation unit, gas-water separation unit and biochemical treatment unit. The process flow diagram of the organosilicon wastewater treatment system provided in this embodiment is as follows figure 1 shown.

[0089] Its processing method includes the following steps:

[0090] 1) Add 8000Kg of silicone resin microsphere wastewater with methanol content of 15%, CODcr of 230000mg / L, and pH of 9, add 5Kg of sodium hydroxide, adjust the pH to 10.5, and control the reflux ratio of 1:1, then rectify to the tow...

Embodiment 2

[0097] The organosilicon wastewater treatment system of the present embodiment includes a wastewater pretreatment system and a wastewater treatment system connected in sequence, the wastewater pretreatment system includes a silicone rubber wastewater pretreatment system (grease separation unit), and the wastewater treatment system includes sequentially connected Neutralization adjustment unit, inorganic ion precipitation unit, heating unit (heat exchange and preheating unit), catalytic wet oxidation unit, gas-water separation unit and biochemical treatment unit. The process flow diagram of the organosilicon wastewater treatment system provided in this embodiment is as follows figure 2 shown.

[0098] Its processing method includes the following steps:

[0099] 1) After 8000Kg of mixed rubber wastewater is treated by an oil separation device, the low molecules in the mixed rubber wastewater are removed, and the low molecules are reused for the production of 107 raw rubber. T...

Embodiment 3

[0106] The organosilicon wastewater treatment system of this embodiment includes a wastewater pretreatment system and a wastewater treatment system connected in sequence, and the wastewater pretreatment system includes a silicone resin wastewater pretreatment system (rectification device) and a silicone rubber wastewater pretreatment system (dissolved air Air flotation device), the wastewater treatment system includes a neutralization adjustment unit, an inorganic ion precipitation unit, a heating unit (heat exchange and preheating unit), a catalytic wet oxidation unit, a gas-water separation unit and a biochemical treatment unit connected in sequence. The process flow diagram of the organosilicon wastewater treatment system provided in this embodiment is as follows image 3 shown.

[0107] Its processing method includes the following steps:

[0108] 1) After 8000Kg of mixed rubber wastewater is degreased by a dissolved air flotation device, the low molecules in the mixed rubbe...

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Abstract

The invention provides an organosilicone wastewater treatment system and a treatment method thereof. The system comprises a wastewater pretreatment system and a wastewater treatment system connected in series, wherein the wastewater treatment system comprises a neutralization adjustment unit, an inorganic ion precipitation unit, a heating unit, a catalytic wet oxidation unit, a gas-water separation unit, and a biochemical treatment unit which are connected in sequence. The treatment method comprises pre-treating organosilicone wastewater, and sequentially performing neutralization adjustment,inorganic ion precipitation, heating, catalytic wet oxidation, gas-water separation and biochemical treatment on the pre-treated organosilicone wastewater, and obtaining standard wastewater. The system provided by the invention has simple process flow and good compatibility, and avoids the use of multi-stage oxidation, and can be continuously operated, and can greatly reduce the area occupied by the equipment and effectively treat a variety of silicone resin and silicone rubber wastewater with complex composition, various types and poor biodegradability in the same system.

Description

technical field [0001] The invention belongs to the field of waste water treatment, and in particular relates to an organosilicon waste water treatment system and a treatment method thereof. Background technique [0002] Silicone materials have excellent properties such as high and low temperature resistance, weather resistance, electrical insulation, radiation resistance, flame retardant, corrosion resistance, physiological inertness and biocompatibility, so they are widely used in aerospace, national defense, electronic appliances, petroleum, light industry , Construction, metallurgy, machinery, office equipment, transportation, food processing, daily chemical industry and other fields, known as "industrial monosodium glutamate", its products can be divided into silicone oil, silicone rubber, silicone resin and silane coupling agent four category. [0003] At present, silicone resin is mainly produced by siloxane hydrolysis in China, and a large amount of wastewater conta...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F103/36C02F103/38
CPCC02F1/04C02F1/20C02F1/24C02F1/40C02F1/58C02F1/66C02F1/725C02F3/00C02F3/02C02F9/00C02F2103/36C02F2103/38
Inventor 李遵陕刘继俞军姜权尤小姿何伟超
Owner ZHEJIANG XINAN CHEM INDAL GROUP
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