Wastewater treatment ICBB(inorganic coagulant and biological bacteria) process and device in ginkgo biloba extract extracting process

An extraction process and wastewater treatment technology, applied in the field of wastewater treatment and ginkgo biloba extract, can solve the problems of low treatment efficiency, the wastewater is difficult to meet the effluent requirements, and the effluent quality is unstable, and achieves high treatment efficiency, improved biodegradability, The effect of improving biodegradability and aerobicity

Active Publication Date: 2017-03-15
南京大善环境科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The first object of the present invention is to provide an ICBB process for wastewater treatment in the extraction process of ginkgo biloba extract, so as to solve the problems in the prior art that the effluent quality is unstable, the treatment efficiency is low, and the treated wastewater is difficult to meet the effluent requirements, etc. question

Method used

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  • Wastewater treatment ICBB(inorganic coagulant and biological bacteria) process and device in ginkgo biloba extract extracting process
  • Wastewater treatment ICBB(inorganic coagulant and biological bacteria) process and device in ginkgo biloba extract extracting process
  • Wastewater treatment ICBB(inorganic coagulant and biological bacteria) process and device in ginkgo biloba extract extracting process

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Embodiment 1

[0097] Such as figure 1 and figure 2 As shown, the waste water treatment ICBB process in the extraction process of the ginkgo biloba extract of the present embodiment comprises the following steps:

[0098] (1) Regulating homogenization treatment: introduce the waste water to be treated into the regulating homogenization tank for homogenization regulation of water quality and quantity, and adjust the pH value of the waste water to 6 by adding alkaline aqueous solution or acidic aqueous solution;

[0099] (2) DSIC coagulation and sedimentation treatment: introduce the wastewater treated in step (1) into the coagulation sedimentation tank, and add coagulant and alkalization agent in turn for coagulation and sedimentation treatment; the coagulation pH is 8, and the coagulation and stirring time was 10 minutes, and the precipitation time was 30 minutes.

[0100] Among them, the coagulant is DSIC inorganic coagulant, and the DSIC inorganic coagulant is a mixture of alumina and c...

Embodiment 2

[0117] In the present embodiment, except step (5) anaerobic treatment is different from embodiment 1, all the others are the same as embodiment 1.

[0118] The anaerobic treatment in this embodiment adopts such as image 3 The anaerobic reactor shown performs anaerobic treatment.

[0119] Specifically, the wastewater treated by biological bacteria enters the reactor shell 3 through the water inlet pipe 10, and then the water distributor 14 distributes the incoming water in the mixing zone in the reactor shell 3, and the water from the return pipe 12 The mud-water mixture in the internal circulation is mixed to dilute and homogenize the incoming water. Under the joint promotion of influent water and circulating water, the mixed wastewater and granular sludge enter the first anaerobic zone 13 (also known as the granular sludge expanded bed zone) for biochemical degradation, because this treatment zone has a high volume load In addition, due to the large height-to-diameter rati...

Embodiment 3

[0123] In this embodiment, the difference from embodiment 1 is:

[0124] (1) During the homogenization treatment, the pH value of the waste water is 7;

[0125] (2) In DSIC coagulation and sedimentation treatment, the coagulation pH is 9, the coagulation stirring time is 15 minutes, and the precipitation time is 60 minutes; the dosage of coagulant is 1g / L, and the dosage of alkalizing agent is 5g / L;

[0126] Wherein, the coagulant is a DSIC inorganic coagulant, and the DSIC inorganic coagulant is a mixture of calcium oxide, sodium carbonate and potassium carbonate; the alkalizing agent is a mixture of calcium hydroxide and sodium hydroxide;

[0127] (4) In the treatment of DSBB biological bacteria, the dosage of DSBB biological bacteria accounts for 0.01% of the weight of wastewater;

[0128] Among them, DSBB biological bacteria include ammonifying bacteria, nitrifying bacteria, achromobacter, Flavobacterium and denitrifying bacteria;

[0129] (9) In the DS terminal treatm...

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Abstract

The invention relates to the technical field of wastewater treatment in the field of ginkgo biloba extracts and in particular to wastewater treatment ICBB process and device in a ginkgo biloba extract extracting process. The wastewater treatment ICBB process in the ginkgo biloba extract extracting process, provided by the invention, comprises regulating and homogenizing treatment, DSIC (disperse solubleness inorganic coagulant) coagulation-sedimentation treatment, AOPs (advanced oxidation processes), DSBB (disperse solubleness biological bacteria), anaerobic treatment, hydrolytic acidification treatment, aerobic treatment, BAF (biological aerated filter) treatment, DS terminal treatment and the like, wherein the DS terminal treatment step comprises the following sub-steps: adding a coagulant under the condition of stirring, and regulating the pH value of wastewater to be 8-11.5, wherein the coagulation time is 5-30 minutes, and the sedimentation time is 20-90 minutes; discharging the wastewater subjected to terminal treatment into a municipal wastewater pipe network. According to the wastewater treatment ICBB process disclosed by the invention, the effluent stability can be guaranteed, up-to-standard discharge or recycling of the water is realized, and the process is convenient in operation and management, high in treatment efficiency, low in investment, low in operating cost, high in adaptability and high in stability.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment in the field of ginkgo leaf extract, and relates to an ICBB process and device for wastewater treatment in the extraction process of ginkgo leaf extract, in particular to an ICBB process and device for wastewater treatment of ginkgo ketone ester extracted from ginkgo leaf. Background technique [0002] Ginkgo biloba is an important medicinal and health food raw material. Its extract has a strong antioxidant effect, which can remove excess free radicals in the body, prevent lipid oxidation in the body, improve immunity, delay aging, and prevent nerve damage. Systemic diseases and other functions. Ginkgo biloba contains ginkgo ketone esters, terpenoids, phenols, alkaloids, polysaccharides and other active ingredients with pharmacological effects. Ginkgo biloba extract has therefore become the basic raw material for ginkgo biloba preparations in various pharmaceutical companies. In rece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
Inventor 史云祥吴佩颖高崎
Owner 南京大善环境科技有限公司
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