CN105967345A - Biological fermentation treating agent for medical waste water - Google Patents

Biological fermentation treating agent for medical waste water Download PDF

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Publication number
CN105967345A
CN105967345A CN201610365013.8A CN201610365013A CN105967345A CN 105967345 A CN105967345 A CN 105967345A CN 201610365013 A CN201610365013 A CN 201610365013A CN 105967345 A CN105967345 A CN 105967345A
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agent
parts
raw material
weight portion
medical waste
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Inventor
李章德
许智军
蔡锦源
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Guangxi Ruixing Environmental Engineering Co Ltd
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Guangxi Ruixing Environmental Engineering Co Ltd
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Priority to CN201610365013.8A priority Critical patent/CN105967345A/en
Publication of CN105967345A publication Critical patent/CN105967345A/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • C02F3/342Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/003Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms

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  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Activated Sludge Processes (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)

Abstract

The invention discloses a biological fermentation treating agent for medical waste water. The biological fermentation treating agent is prepared from, by weight, 110-150 parts of biological nutritional agent, 55-80 parts of biological growth irritant, 22-40 parts of compound bacteria, 10-30 parts of humic acid, 10-40 parts of activated carbon, 5-15 parts of coagulant aid, 5-12 parts of demulsifier, 3-10 parts of deoxidant, 2-8 parts of tyrosine kinase inhibitor, 1-6 parts of flotation agent and 1-5 parts of foaming agent. The biological fermentation treating agent for the medical waste water has the advantages of being free of toxins, safe, environmentally friendly and the like, and is free of influence on the health of the human body. The biological fermentation treating agent for the medical waste water is thorough in sewage treatment, the pH value is basically neutral after treatment, and the SS removal rate reaches 99.12% to 99.21%, the COD removal rate reaches 99.01% to 99.07%, and the oil removal rate reaches 99.02% to 99.11%.

Description

A kind of medical waste water biofermentation inorganic agent
[technical field]
The present invention relates to sewage-treating agent preparing technical field, be specifically related to a kind of medical waste water biofermentation inorganic agent.
[background technology]
The sewage disposal of medical waste disposal factory typically uses routine biochemistry and materializing strategy, but due to clinical waste Special handling process, medical waste disposal factory sewage quality is complicated, and the general water yield is less.Certain city, Shandong province medical waste disposal factory Using SBR biochemical treatment, disinfectant solution waste water enters biochemistry pool, is all killed by antibacterial, and result is to run.Henan Province cures Treating Waste disposal factory and use materializing strategy technique sand filtration+ozone+activated carbon adsorption, not only operating cost is high, and dirty after processing Water also needs to transport sewage treatment plant's pin and receives.Hubei Province's medical waste disposal factory uses integrated sewage treating apparatus, resonable It is not reach discharge standard on Lun.It addition, medical waste disposal factory uses high-temp steam sterilizing to process the general scale of investment of technique Less, but the water quality that medical waste disposal factory produces is complex, takes out very containing high concentrated organic wastewater mainly steriliser The clinical waste percolate produced in null process, the disinfected wastewater produced in medical waste transfer car and Turnover Box disinfecting process, Sanitary sewage, punching ground, workshop water, primary rainwater etc..The most effectively process medical waste water, and reduce cost, become a research Direction.
[summary of the invention]
The present invention provides a kind of medical waste water biofermentation inorganic agent, to solve existing fermentation process agent process sewage effect Difference, high in cost of production problem.The medical waste water biofermentation inorganic agent of the present invention has avirulence, the advantage such as safe and environment-friendly, to people Body health is without impact;It is thorough that the medical waste water biofermentation inorganic agent of the present invention processes sewage, and the water quality after process is limpid, it is possible to Meeting emission request, processing procedure will not produce new rubbish or pollutant.
For solve above technical problem, the present invention by the following technical solutions:
A kind of medical waste water biofermentation inorganic agent, in units of weight portion, including following raw material: biological nutritive agent 110- 150 parts, biological growth stimulant 55-80 part, compound bacteria 22-40 part, humic acids 10-30 part, activated carbon 10-40 part, flocculation aid 5-15 part, demulsifier 5-12 part, oxygen scavenger 3-10 part, enzyme agent 2-8 part, flotation agent 1-6 part, foaming agent 1-5 part;
Described biological nutritive agent is in units of weight portion, including following raw material: yeast extract 35-50 part, sodium gluconate 35- 45 parts, peptone 15-20 part, potassium acetate 15-20 part, sodium phosphate 10-15 part;
Described biological growth stimulant is in units of weight portion, including following raw material: cerous sulfate 35-50 part, aluminum sulfate 20- 30 parts;
Described compound bacteria is in units of weight portion, including following raw material: bacillus cereus 5-10 part, aspergillus niger 6-10 part, red Coccus 4-8 part, brick red streptomycete 4-6 part, nitrobacteria 3-6 part;
The preparation method of described medical waste water biofermentation inorganic agent, comprises the following steps:
S1: carry out bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria respectively activating, amplification culture, After completing, described bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria are mixed and add biological growth stimulation Agent, biological nutritive agent, 350-500 part water mix homogeneously, after cultivating 12-15h at temperature is 36-37 DEG C, centrifugation prepares multiple Close bacterium;
S2: vinegar factory waste liquid is stood clarification, it is thus achieved that supernatant, then described supernatant is heated to 68-82 DEG C and carries out Evaporation and concentration, being concentrated into pH value is 2.3-3.6, stops heating, left at room temperature activation 11-16h, is subsequently adding ammonium carbonate regulation PH value is to 6.1-7.7, it is thus achieved that humic acid solution, is dried humic acid solution to water content≤5%, mistake after pulverizing at 80-106 DEG C 60-90 mesh sieve, prepares humic acids;
S3: by step S1 prepare compound bacteria, step S2 prepare humic acids, activated carbon, flocculation aid, demulsifier, deoxygenation Stirring and regulate to pH after agent, enzyme agent, flotation agent, foaming agent, the mixing of 400-600 part water is 5.9-6.2, prepares medical treatment useless Aquatic organism fermentation process agent.
Preferably, described flocculation aid is in units of weight portion, including following raw material: sodium polyacrylate 2-6 part, osseocolla 2-5 Part, sodium alginate 1-4 part.
Preferably, described demulsifier is in units of weight portion, including following raw material: fatty alcohol-polyoxyethylene ether 2-5 part, secondary OPEO 1-3 part, oxirane 1-2 part, sodium hydroxide 1-2 part.
Preferably, described oxygen scavenger is in units of weight portion, including following raw material: sodium sulfite 1-5 part, hydrazine 1-3 part, Potassium acid sulfite 1-2 part.
Preferably, described enzyme agent is in units of weight portion, including following raw material: protease 1-5 part, cellulase 1-3 part.
Preferably, described flotation agent is in units of weight portion, including following raw material: the double dodecyl ammonium nitrate of dimethyl 0.6-4 part, thio urea 0.4-2 part.
Preferably, described foaming agent is in units of weight portion, including following raw material: cetyl trimethyl ammonium nitrate 0.5- 3 parts, alkyl propanesulfonate 0.5-2 part.
The method have the advantages that
(1) inorganic agent of the present invention has the advantages such as nontoxic, safe and environment-friendly, low cost, on health without impact;
(2) inorganic agent of the present invention processes sewage thoroughly, and the water quality after process is limpid, it is possible to meet emission request, processes Cheng Buhui produces new rubbish or pollutant;
(3), after processing sewage with medical waste water biofermentation inorganic agent of the present invention, pH value basically reaches neutrality, SS Value is reduced to 0.99-1.09mg/L, reaches 99.12%-99.21% except SS leads, and COD value is reduced to 5.26-5.57mg/L, except COD Rate reaches 99.01%-99.07%, and oil content is reduced to 0.41-0.45mg/L, and oil removal rate reaches 99.02%-99.11%, it is seen then that this It is effective that the medical waste water biofermentation inorganic agent of invention processes sewage, and effluent quality is excellent.
[detailed description of the invention]
For ease of being more fully understood that the present invention, being illustrated by following instance, these examples belong to the protection of the present invention Scope, but it is not intended to protection scope of the present invention.
A kind of medical waste water biofermentation inorganic agent, in units of weight portion, including following raw material: biological nutritive agent 110- 150 parts, biological growth stimulant 55-80 part, compound bacteria 22-40 part, humic acids 10-30 part, activated carbon 10-40 part, flocculation aid 5-15 part, demulsifier 5-12 part, oxygen scavenger 3-10 part, enzyme agent 2-8 part, flotation agent 1-6 part, foaming agent 1-5 part.
Described biological nutritive agent is in units of weight portion, including following raw material: yeast extract 35-50 part, sodium gluconate 35- 45 parts, peptone 15-20 part, potassium acetate 15-20 part, sodium phosphate 10-15 part.
Described biological growth stimulant is in units of weight portion, including following raw material: cerous sulfate 35-50 part, aluminum sulfate 20- 30 parts.
Described compound bacteria is in units of weight portion, including following raw material: bacillus cereus 5-10 part, aspergillus niger 6-10 part, red Coccus 4-8 part, brick red streptomycete 4-6 part, nitrobacteria 3-6 part.
Described flocculation aid is in units of weight portion, including following raw material: sodium polyacrylate 2-6 part, osseocolla 2-5 part, Sargassum Acid sodium 1-4 part.
Described demulsifier is in units of weight portion, including following raw material: fatty alcohol-polyoxyethylene ether 2-5 part, secondary octyl phenol Polyoxyethylene ether 1-3 part, oxirane 1-2 part, sodium hydroxide 1-2 part.
Described oxygen scavenger is in units of weight portion, including following raw material: sodium sulfite 1-5 part, hydrazine 1-3 part, sulfurous acid Hydrogen potassium 1-2 part.
Described enzyme agent is in units of weight portion, including following raw material: protease 1-5 part, cellulase 1-3 part.
Described flotation agent is in units of weight portion, including following raw material: the double dodecyl ammonium nitrate 0.6-4 part of dimethyl, Thio urea 0.4-2 part.
Described foaming agent is in units of weight portion, including following raw material: cetyl trimethyl ammonium nitrate 0.5-3 part, alkane Base propanesulfonate 0.5-2 part.
The preparation method of described medical waste water biofermentation inorganic agent, comprises the following steps:
S1: carry out bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria respectively activating, amplification culture, After completing, described bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria are mixed and add biological growth stimulation Agent, biological nutritive agent, 350-500 part water mix homogeneously, after cultivating 12-15h at temperature is 36-37 DEG C, centrifugation prepares multiple Close bacterium;
S2: vinegar factory waste liquid is stood clarification, it is thus achieved that supernatant, then described supernatant is heated to 68-82 DEG C and carries out Evaporation and concentration, being concentrated into pH value is 2.3-3.6, stops heating, left at room temperature activation 11-16h, is subsequently adding ammonium carbonate regulation PH value is to 6.1-7.7, it is thus achieved that humic acid solution, is dried humic acid solution to water content≤5%, mistake after pulverizing at 80-106 DEG C 60-90 mesh sieve, prepares humic acids;
S3: by step S1 prepare compound bacteria, step S2 prepare humic acids, activated carbon, flocculation aid, demulsifier, deoxygenation Stirring and regulate to pH after agent, enzyme agent, flotation agent, foaming agent, the mixing of 400-600 part water is 5.9-6.2, prepares medical treatment useless Aquatic organism fermentation process agent.
Below by more specifically embodiment, the present invention will be described.
Embodiment 1
A kind of medical waste water biofermentation inorganic agent, in units of weight portion, including following raw material: biological nutritive agent 130 Part, biological growth stimulant 70 parts, compound bacteria 30 parts, humic acids 20 parts, activated carbon 25 parts, flocculation aid 10 parts, demulsifier 9 parts, Oxygen scavenger 6 parts, enzyme agent 5 parts, flotation agent 3 parts, foaming agent 3 parts.
Described biological nutritive agent is in units of weight portion, including following raw material: yeast extract 45 parts, sodium gluconate 40 parts, Peptone 18 parts, potassium acetate 17 parts, sodium phosphate 10 parts.
Described biological growth stimulant is in units of weight portion, including following raw material: cerous sulfate 45 parts, 25 parts of aluminum sulfate.
Described compound bacteria is in units of weight portion, including following raw material: bacillus cereus 8 parts, aspergillus niger 7 parts, Rhodococcus fascians 6 Part, brick red streptomycete 5 parts, nitrobacteria 4 parts.
Described flocculation aid is in units of weight portion, including following raw material: sodium polyacrylate 4 parts, 3 parts of osseocolla, sodium alginate 3 Part.
Described demulsifier is in units of weight portion, including following raw material: fatty alcohol-polyoxyethylene ether 5 parts, secondary octyl phenol are poly- Oxygen vinyl Ether 2 parts, 1 part of oxirane, sodium hydroxide 1 part.
Described oxygen scavenger is in units of weight portion, including following raw material: sodium sulfite 3 parts, hydrazine 2 parts, Potassium acid sulfite 1 Part.
Described enzyme agent is in units of weight portion, including following raw material: protease 3 part, cellulase 2 parts.
Described flotation agent is in units of weight portion, including following raw material: dimethyl double dodecyl ammonium nitrate 2 parts, sulfur generation 1 part of carbamide.
Described foaming agent is in units of weight portion, including following raw material: cetyl trimethyl ammonium nitrate 2 parts, alkyl third Sodium sulfonate 1 part.
The preparation method of described medical waste water biofermentation inorganic agent, comprises the following steps:
S1: carry out bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria respectively activating, amplification culture, After completing, described bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria are mixed and add biological growth stimulation Agent, biological nutritive agent, 450 parts of water mix homogeneously, after cultivating 14h at temperature is 36 DEG C, centrifugation prepares compound bacteria;
S2: vinegar factory waste liquid is stood clarification, it is thus achieved that supernatant, then described supernatant is heated to 75 DEG C and is evaporated Concentrate, being concentrated into pH value is 3, stop heating, left at room temperature activation 14h, be subsequently adding ammonium carbonate regulation pH value to 7.1, obtain Obtaining humic acid solution, being dried at 90 DEG C by humic acid solution to water content is 5%, crosses 80 mesh sieve, prepare humic acids after pulverizing;
S3: by step S1 prepare compound bacteria, step S2 prepare humic acids, activated carbon, flocculation aid, demulsifier, deoxygenation Stirring and regulate to pH after agent, enzyme agent, flotation agent, foaming agent, 500 parts of water mixing is 6, prepares medical waste water biofermentation Inorganic agent.
Embodiment 2
A kind of medical waste water biofermentation inorganic agent, in units of weight portion, including following raw material: biological nutritive agent 110 Part, biological growth stimulant 55 parts, compound bacteria 22 parts, humic acids 10 parts, activated carbon 10 parts, flocculation aid 5 parts, demulsifier 5 parts, remove Oxygen agent 3 parts, enzyme agent 2 parts, flotation agent 1 part, foaming agent 1 part.
Described biological nutritive agent is in units of weight portion, including following raw material: yeast extract 35 parts, sodium gluconate 35 parts, Peptone 15 parts, potassium acetate 15 parts, sodium phosphate 10 parts.
Described biological growth stimulant is in units of weight portion, including following raw material: cerous sulfate 35 parts, 20 parts of aluminum sulfate.
Described compound bacteria is in units of weight portion, including following raw material: bacillus cereus 5 parts, aspergillus niger 6 parts, Rhodococcus fascians 4 Part, brick red streptomycete 6 parts, nitrobacteria 3 parts.
Described flocculation aid is in units of weight portion, including following raw material: sodium polyacrylate 2 parts, 2 parts of osseocolla, sodium alginate 1 Part.
Described demulsifier is in units of weight portion, including following raw material: fatty alcohol-polyoxyethylene ether 2 parts, secondary octyl phenol are poly- Oxygen vinyl Ether 1 part, 1 part of oxirane, sodium hydroxide 1 part.
Described oxygen scavenger is in units of weight portion, including following raw material: sodium sulfite 1 part, hydrazine 1 part, Potassium acid sulfite 1 Part.
Described enzyme agent is in units of weight portion, including following raw material: 1 part of protease, cellulase 1 part.
Described flotation agent is in units of weight portion, including following raw material: dimethyl double dodecyl ammonium nitrate 0.6 part, sulfur For 0.4 part of carbamide.
Described foaming agent is in units of weight portion, including following raw material: cetyl trimethyl ammonium nitrate 0.5 part, alkyl Propanesulfonate 0.5 part.
The preparation method of described medical waste water biofermentation inorganic agent, comprises the following steps:
S1: carry out bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria respectively activating, amplification culture, After completing, described bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria are mixed and add biological growth stimulation Agent, biological nutritive agent, 350 parts of water mix homogeneously, after cultivating 12h at temperature is 36 DEG C, centrifugation prepares compound bacteria;
S2: vinegar factory waste liquid is stood clarification, it is thus achieved that supernatant, then described supernatant is heated to 68 DEG C and is evaporated Concentrate, being concentrated into pH value is 2.3, stop heating, left at room temperature activation 11h, be subsequently adding ammonium carbonate regulation pH value to 6.1, Obtaining humic acid solution, being dried at 80 DEG C by humic acid solution to water content is 3%, crosses 60 mesh sieve, prepare humic acids after pulverizing;
S3: by step S1 prepare compound bacteria, step S2 prepare humic acids, activated carbon, flocculation aid, demulsifier, deoxygenation Stirring and regulate to pH after agent, enzyme agent, flotation agent, foaming agent, 400 parts of water mixing is 5.9, prepares medical waste water biology and sends out Ferment inorganic agent.
Embodiment 3
A kind of medical waste water biofermentation inorganic agent, in units of weight portion, including following raw material: biological nutritive agent 150 Part, biological growth stimulant 80 parts, compound bacteria 40 parts, humic acids 30 parts, activated carbon 40 parts, flocculation aid 15 parts, demulsifier 12 parts, Oxygen scavenger 10 parts, enzyme agent 8 parts, flotation agent 6 parts, foaming agent 5 parts.
Described biological nutritive agent is in units of weight portion, including following raw material: yeast extract 50 parts, sodium gluconate 45 parts, Peptone 20 parts, potassium acetate 20 parts, sodium phosphate 15 parts.
Described biological growth stimulant is in units of weight portion, including following raw material: cerous sulfate 50 parts, 30 parts of aluminum sulfate.
Described compound bacteria is in units of weight portion, including following raw material: bacillus cereus 10 parts, aspergillus niger 10 parts, Rhodococcus fascians 8 Part, brick red streptomycete 6 parts, nitrobacteria 6 parts.
Described flocculation aid is in units of weight portion, including following raw material: sodium polyacrylate 6 parts, 5 parts of osseocolla, sodium alginate 4 Part.
Described demulsifier is in units of weight portion, including following raw material: fatty alcohol-polyoxyethylene ether 5 parts, secondary octyl phenol are poly- Oxygen vinyl Ether 3 parts, 2 parts of oxirane, sodium hydroxide 2 parts.
Described oxygen scavenger is in units of weight portion, including following raw material: sodium sulfite 5 parts, hydrazine 3 parts, Potassium acid sulfite 2 Part.
Described enzyme agent is in units of weight portion, including following raw material: 5 parts of protease, cellulase 3 parts.
Described flotation agent is in units of weight portion, including following raw material: dimethyl double dodecyl ammonium nitrate 4 parts, sulfur generation 2 parts of carbamide.
Described foaming agent is in units of weight portion, including following raw material: cetyl trimethyl ammonium nitrate 3 parts, alkyl third Sodium sulfonate 2 parts.
The preparation method of described medical waste water biofermentation inorganic agent, comprises the following steps:
S1: carry out bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria respectively activating, amplification culture, After completing, described bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria are mixed and add biological growth stimulation Agent, biological nutritive agent, 500 parts of water mix homogeneously, after cultivating 15h at temperature is 37 DEG C, centrifugation prepares compound bacteria;
S2: vinegar factory waste liquid is stood clarification, it is thus achieved that supernatant, then described supernatant is heated to 82 DEG C and is evaporated Concentrate, being concentrated into pH value is 3.6, stop heating, left at room temperature activation 16h, be subsequently adding ammonium carbonate regulation pH value to 7.7, Obtaining humic acid solution, being dried at 106 DEG C by humic acid solution to water content is 4%, crosses 90 mesh sieve after pulverizing, and prepared corruption is planted Acid;
S3: by step S1 prepare compound bacteria, step S2 prepare humic acids, activated carbon, flocculation aid, demulsifier, deoxygenation Stirring and regulate to pH after agent, enzyme agent, flotation agent, foaming agent, 600 parts of water mixing is 6.2, prepares medical waste water biology and sends out Ferment inorganic agent.
Medical waste water is carried out processing test by the biofermentation inorganic agent using the present invention, and result is as shown in the table.
As seen from the above table, after processing sewage with medical waste water biofermentation inorganic agent of the present invention, pH value reaches substantially To neutrality, SS value is reduced to 0.99-1.09mg/L, reaches 99.12%-99.21% except SS leads, and COD value is reduced to 5.26- 5.57mg/L, reaches 99.01%-99.07% except COD leads, and oil content is reduced to 0.41-0.45mg/L, and oil removal rate reaches 99.02%- 99.11%, illustrate to use the medical waste water biofermentation inorganic agent of the present invention to process sewage effective, effluent quality is excellent.
Above content is it cannot be assumed that the present invention is embodied as being confined to these explanations, for the technical field of the invention Those of ordinary skill for, without departing under present inventive concept premise, it is also possible to make some simple deduction or replace, all answer When being considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.

Claims (7)

1. a medical waste water biofermentation inorganic agent, it is characterised in that in units of weight portion, including following raw material: biological Nutrient 110-150 part, biological growth stimulant 55-80 part, compound bacteria 22-40 part, humic acids 10-30 part, activated carbon 10-40 Part, flocculation aid 5-15 part, demulsifier 5-12 part, oxygen scavenger 3-10 part, enzyme agent 2-8 part, flotation agent 1-6 part, foaming agent 1-5 part;
Described biological nutritive agent is in units of weight portion, including following raw material: yeast extract 35-50 part, sodium gluconate 35-45 Part, peptone 15-20 part, potassium acetate 15-20 part, sodium phosphate 10-15 part;
Described biological growth stimulant is in units of weight portion, including following raw material: cerous sulfate 35-50 part, aluminum sulfate 20-30 Part;
Described compound bacteria is in units of weight portion, including following raw material: bacillus cereus 5-10 part, aspergillus niger 6-10 part, Rhodococcus fascians 4-8 part, brick red streptomycete 4-6 part, nitrobacteria 3-6 part;
The preparation method of described medical waste water biofermentation inorganic agent, comprises the following steps:
S1: carry out bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria respectively activating, amplification culture, completes Afterwards described bacillus cereus, aspergillus niger, Rhodococcus fascians, brick red streptomycete, nitrobacteria are mixed and add biological growth stimulant, life Thing nutrient, 350-500 part water mix homogeneously, after cultivating 12-15h at temperature is 36-37 DEG C, centrifugation prepares compound bacteria;
S2: vinegar factory waste liquid is stood clarification, it is thus achieved that supernatant, then described supernatant is heated to 68-82 DEG C and is evaporated Concentrating, being concentrated into pH value is 2.3-3.6, stops heating, left at room temperature activation 11-16h, is subsequently adding ammonium carbonate regulation pH value To 6.1-7.7, it is thus achieved that humic acid solution, humic acid solution is dried to water content≤5% at 80-106 DEG C, after pulverizing, crosses 60-90 Mesh sieve, prepares humic acids;
S3: by step S1 prepare compound bacteria, step S2 prepare humic acids, activated carbon, flocculation aid, demulsifier, oxygen scavenger, enzyme Stirring and regulate to pH after agent, flotation agent, foaming agent, the mixing of 400-600 part water is 5.9-6.2, prepares medical waste water raw Thing fermentation process agent.
Medical waste water biofermentation inorganic agent the most according to claim 1, it is characterised in that described flocculation aid with weight portion is Unit, including following raw material: sodium polyacrylate 2-6 part, osseocolla 2-5 part, sodium alginate 1-4 part.
Medical waste water biofermentation inorganic agent the most according to claim 1, it is characterised in that described demulsifier with weight portion is Unit, including following raw material: fatty alcohol-polyoxyethylene ether 2-5 part, secondary octyl phenol polyethenoxy ether 1-3 part, oxirane 1-2 Part, sodium hydroxide 1-2 part.
Medical waste water biofermentation inorganic agent the most according to claim 1, it is characterised in that described oxygen scavenger with weight portion is Unit, including following raw material: sodium sulfite 1-5 part, hydrazine 1-3 part, Potassium acid sulfite 1-2 part.
Medical waste water biofermentation inorganic agent the most according to claim 1, it is characterised in that described enzyme agent is with weight portion as list Position, including following raw material: protease 1-5 part, cellulase 1-3 part.
Medical waste water biofermentation inorganic agent the most according to claim 1, it is characterised in that described flotation agent with weight portion is Unit, including following raw material: dimethyl double dodecyl ammonium nitrate 0.6-4 part, thio urea 0.4-2 part.
Medical waste water biofermentation inorganic agent the most according to claim 1, it is characterised in that described foaming agent with weight portion is Unit, including following raw material: cetyl trimethyl ammonium nitrate 0.5-3 part, alkyl propanesulfonate 0.5-2 part.
CN201610365013.8A 2016-05-26 2016-05-26 Biological fermentation treating agent for medical waste water Pending CN105967345A (en)

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