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Pleopylene -produced uncle butadium -butyl ether wastewater treatment process and their treatment equipment

A technology of methyl tert-butyl ether and propylene oxide, which is applied in the field of propylene oxide co-production methyl tert-butyl ether wastewater treatment process and its treatment equipment, can solve problems such as non-compliance with national standards and environmental pollution, and achieve The effect of increasing residence time, improving removal rate and improving mixing degree

Active Publication Date: 2022-08-09
南京化工园博瑞德水务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The direct discharge of these waste waters will cause environmental pollution and does not meet the national standards. Therefore, it is urgent to treat this kind of waste water so that the COD content reaches the standard before discharge.

Method used

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  • Pleopylene -produced uncle butadium -butyl ether wastewater treatment process and their treatment equipment
  • Pleopylene -produced uncle butadium -butyl ether wastewater treatment process and their treatment equipment
  • Pleopylene -produced uncle butadium -butyl ether wastewater treatment process and their treatment equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0037]Embodiment: a kind of propylene oxide co-production methyl tertiary butyl ether wastewater treatment process, such as figure 1 , including the following steps:

[0038] Anaerobic treatment: the wastewater is passed into the anaerobic granules, and the inoculation amount of the anaerobic granular sludge is 45%-65% of the effective volume of the anaerobic reaction zone;

[0039] Precipitation treatment: the anaerobic treated wastewater is precipitated by the isolation method, and the waste residue is separated out;

[0040] Aerobic treatment: Continue to blow oxygen or air into the precipitation-treated wastewater and mix thoroughly. The activated sludge method is used for aerobic treatment. The sludge concentration of the activated sludge method is 3.0-6.5g / L, and the wastewater residence time is 48 -60h;

[0041] Oxidation treatment: The oxidant is introduced into the aerobic treated wastewater and mixed thoroughly.

[0042] Treatment process: propylene oxide co-produ...

Embodiment 2

[0043] Embodiment 2: a kind of treatment equipment of propylene oxide co-production methyl tertiary butyl ether waste water, such as figure 2 , including treatment pool 1, treatment pool 1 includes anaerobic zone 2, sedimentation zone 3, aerobic zone 4, oxidation zone 5 and concentration zone 6, anaerobic zone 2 is located on the left side of treatment pool 1, aerobic zone 4 and oxidation zone 5 is located on the right side of the treatment tank 1, the aerobic zone 4 is located below, the oxidation zone 5 is located above, and a concentration zone 6 is provided on the side of the oxidation zone 5 away from the anaerobic zone 2. The precipitation zone 3 is located between the aerobic zone 4, the oxidation zone 5 and the anaerobic zone 2 and separates the aerobic zone 4, the oxidation zone 5 and the anaerobic zone 2.

[0044] like figure 2 and image 3 , the anaerobic zone 2 is filled with anaerobic particles, and the effective volume of the anaerobic particles is 45%-65%, s...

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Abstract

The present invention disclosed a propylene oxide -produced nail uncle butyl ether wastewater treatment process and its treatment equipment. It is applied to the field of wastewater treatment. The main point of its technical solution is: including the treatment pool.In the oxygen area and oxidation area, anaerobic zone is located on the left side of the treatment pool, the oxygen and oxidation areas are located on the right side of the processing pool, and the oxidation zone is located below.The anaerobic zone is separated between the oxygen area, the oxidation area, and the anaerobic area. The bottom of the precipitation area has a separators along the vertical direction. The top of the partition is lower than the top of the oxidation zone.The sedimentation area is divided into area A and B; the technical effects are: all processing areas are combined into a processing pool, which greatly reduces the space occupation space, and uses the principle of connectors to reduce the use of water pumps, thereby saving energy, green environmental protectionEssence

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a wastewater treatment process for co-production of methyl tert-butyl ether with propylene oxide and a treatment device thereof. Background technique [0002] At present, the sewage discharge links in the production process of propylene and isobutane co-oxidation to produce propylene oxide and co-production of methyl tertiary butyl ether are mainly as follows: the main device peroxidation reaction system, epoxidation reaction system, tert-butanol (TBA) refining system and etherification reaction system both generate waste water. Among them, the etherification reaction system (MTBE one-step reactor) produces the largest amount of waste water. Under normal production conditions, COD is 22000~23000mg / L, BOD5 is 6700~6800 mg / L, TOC is 10000~11000mg / L, TDS (dissolved solid) is about 10 g / L. [0003] In addition to the main sewage in the production process, the production process a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14C02F103/36C02F101/30
CPCC02F9/00C02F3/301C02F1/52C02F1/72C02F1/001C02F2103/36C02F2101/30C02F2209/08C02F2203/006C02F2301/046C02F2301/08Y02W10/10
Inventor 石剑峰倪志伟王强林凯王文涛
Owner 南京化工园博瑞德水务有限公司