Novel high-efficiency petroleum waste liquid comprehensive treatment device
A comprehensive treatment and high-efficiency technology, applied in water/sewage treatment, aerobic process treatment, natural water treatment, etc., can solve the problems of large impact on sewage treatment plants, achieve strong applicability, prevent pollution of the atmosphere and water resources, and react high efficiency effect
Inactive Publication Date: 2016-12-14
林妙娥
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Problems solved by technology
Among these types of alkali residues, the ones with the highest sulfide content are catalytic gasoline and diesel alkali residues and liquid hydrocarbon alkali residues. At present, wet oxidation treatment is widely used. The oxidation waste liquid is neutralized with sulfuric acid, and phenol and petroleum acid are recovered to produce alkali residues for neutralization. water, but the COD is still high, up to 30000-60000mg / L, and a large amount of salt is produced during the oxidation and neutralization process, which has a great impact on the sewage treatment plants of refining and chemical enterprises
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[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0016] see Figure 1-2 , the present invention provides a technical solution: a novel high-efficiency petroleum waste liquid comprehensive treatment device, comprising a sedimentation treatment unit, the sedimentation treatment unit includes a sulfuric acid storage tank 3, and the top of the sulfuric acid storage tank 3 is connected to the inside through a pipeline. Mixing pipeline 1, the inlet of the mixing pipeline 1 is connected with a sulfuric acid pump 2 ...
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The invention discloses a novel high-efficiency petroleum waste liquid comprehensive treatment device, wherein the internal part of the top end of a sulfuric acid storage tank is communicated with a mixed pipeline through a pipeline; the inlet of the mixed pipeline is communicated with a sulfuric acid pump through a pipeline; the inlet of the sulfuric pump is communicated with the sulfuric acid storage tank through a pipeline; a mounting plate is arranged at the bottom end of the internal part of a settlement treatment tank; an air injection head is arranged on a base body of the mounting plate, and is communicated with an aerator through a first pipeline; the inlet of the aerator is communicated with an ammonia gas storage tank through a pipeline; and a tail gas treatment device, an oil phase recycling device and a biochemical treatment device are arranged on the right side of the settlement treatment tank. The novel high-efficiency petroleum waste liquid comprehensive treatment device has high reaction efficiency, increases the additional value of waste liquid treatment, prevents air pollution and water resource pollution, has high applicability, and is suitable for large-scale popularization.
Description
technical field [0001] The invention relates to the technical field of waste liquid treatment, in particular to a novel and efficient comprehensive treatment device for petroleum waste liquid. Background technique [0002] During the alkali refining process of oil products in refineries, alkaline waste liquids containing high concentrations of pollutants will be produced, and the emissions of COD, sulfides and phenols account for more than 40%-50% of the emissions of such pollutants in refineries. It is mainly composed of atmospheric diesel soda slag, catalytic gasoline soda slag, catalytic diesel soda slag, liquid hydrocarbon soda slag, etc. If the alkali residue waste liquid is discharged directly, it will seriously pollute the environment; if it is sent to the sewage treatment plant, it will seriously affect the normal operation of the sewage treatment plant, making it difficult to discharge the sewage up to the standard, and severely corrode the equipment. The caustic s...
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IPC IPC(8): C02F9/14B01D53/78B01D53/52C02F103/36
CPCC02F9/00B01D53/52B01D53/78C02F1/52C02F1/60C02F3/02C02F2103/365
Inventor 林妙娥
Owner 林妙娥