CN103503922A

CN103503922A - Disinfection powder for hospital wastewater disinfection

Info

Publication number: CN103503922A
Application number: CN201310501363.9A
Authority: CN
Inventors: 孔令义
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-23
Filing date: 2013-10-23
Publication date: 2014-01-15

Abstract

The invention discloses disinfection powder for hospital wastewater disinfection. The disinfection powder consists of the following components by mass percent: 40-70 percent of potassium monopersulfate, 4-14 percent of sodium chloride, 8-20 percent of sulfamic acid, 5-10 percent of sodium dodecyl sulfate, 5-15 percent of sodium hexametaphosphate, 5-15 percent of malic acid, 0-15 percent of citric acid, 0-10 percent of tartaric acid and 0-5 percent of a coating agent. The disinfection powder has the benefits that (1) concentration of active ingredients (effective reactive oxygen) is high, and disinfection can be effectively performed; (2) nascent oxygen and series of free radicals thereof are continuously generated in a water body through a chain reaction, so that bactericidal ability retention time is long in the water body; (3) multiple active ingredients coexist, and an antibacterial spectrum is expanded, so that the disinfection powder is effective to bacteria and spores thereof, fungi and viruses; (4) the factors which influence the microbe killing effect are few; (5) toxic and harmful carcinogenic byproducts are not produced.

Description

A kind of disinfectant powder for disinfection of hospital sewage

Technical field

The present invention relates to a kind of sterile products of disinfection of hospital sewage, be specially a kind of disinfectant powder for disinfection of hospital sewage.

Background technology

Hospital sewage source and complicated component, harmfulness is large.Source is mainly the sewage of the discharges such as consulting room, laboratory, ward, laundry, X sheet photo studio and the operating room of hospital.In sewage, contain a large amount of pathogenetic bacterias, virus, there is the feature of space-pollution, acute infection and latent infection.If the hospital sewage that contains pathogenic microorganism, enters urban sewage pipeline or environment water without disinfecting discharge, tend to cause the pollution of water body, cause various diseases and infectious disease, serious harm people's is healthy.

Sewage disposal of hospital mainly uses chloridising (comprising again sodium-hypochlorite process, liquid chlorine method and Chlorine Dioxide Method), ozonization etc. to process hospital wastewater now.

1, chloridising is processed hospital wastewater

Chlorine as the sewage committee of the chemical agent ，Cong 19th-century Britain imperial family first Application waste water treatment of a kind of chlorination and sterilization so far, the history of existing more than 100 year.Chloridising is processed according to adding muriatic difference and is divided into again sodium-hypochlorite process, liquid chlorine method and Chlorine Dioxide Method.

(1) clorox adds method

Clorox (NaClO) is one of the most original disinfection treatment method.The method, due to features such as raw material sources convenience, product stability and safety, convenient transportations, is applied comparatively extensive.Clorox can be bought in market as commodity, also can field fabrication.Small hospital sewage is processed field fabrication and is generally adopted brine electrolysis at present.But a little less than clorox disinfecting power, in processing procedure, bring waste residue, just progressively by other products, substituted.

(2) liquid chlorine method

Liquid chlorine disinfection is strong with its disinfecting power, low price is widely used in running water and disinfection of hospital sewage.Liquid chlorine containing cl concn high, available chlorine content reaches more than 99%, higher 5～10 times than liquor natrii hypochloritis.But chlorine is a kind of yellow toxic gas of irritant smell, must have special-purpose bunkerage and chlorination equipment.At present, typical chlorination equipment has artificial timed-opening type chlorination and automatic lifting chlorination.But interrelated data research shows, liquid chlorine (Cl2) can generate monochloro amine, dichlormaine and three chloramines and consume liquid chlorine with ammonia react, also can be formed with the haloform (THM) of carcinogenesis, add the imperfection of liquid chlorine, so liquid chlorine disinfection is restricted.

(3) Chlorine Dioxide Method

The solvability of chlorine dioxide (C1O2) in water is 5 times of chlorine, and its oxidability is 215 times of left and right of chlorine, is a kind of strong oxidizer.It is high effect disinfectants unique in the chlorine-containing disinfecting of generally acknowledging in the world.It can kill all microorganisms, comprises bacterial propagule, cell gemma, fungi, mycobacterium and virus etc.It can destroy the micro quantity organic pollutant in water effectively, as BaP anthraquinone, chloroform, carbon tetrachloride, phenol, chlorophenol, cyanide, hydrogen sulphide and organic sulfur compound etc.Well in oxidize water the metal ion of some reducing states as Fe2+, Mn2+, Ni2+ etc.The advantage of chlorine dioxide maximum is to react and produce hardly diversity organohalogen compounds with humus and organic matter, does not generate and suppress to generate the haloform that has carcinogenesis, does not also react with ammonia and amino compound.There is hospital wastewater to need unit to be processed, also can arrive the enterprise that the precious project service platform consulting of sewage possesses similar waste water treatment experience.

Chlorine dioxide is due to its instability and lability, and production, transportation and storage are all more difficult, generally necessary field fabrication, and the initiation material of preparing chlorine dioxide has chloride mineral salt (being mainly clorox, sodium chlorate etc.) and chlorine.

At present domestic existing this kind of product sold, and conventionally claims chlorine dioxide generator (chemical method).In addition, having the device of preparing chlorine dioxide by electrolytic saltwater on domestic market, facts have proved, there are many shortcomings in electrolysis C102 generator.Chlorine dioxide has efficiently, fast, the antiseptic property of wide spectrum, more and more cause people's concern.But showing the chlorine dioxide that (1) is added to the water, current research have 50%～70% to change C1O-2, C1O-3 into.And C1O-2, C1O-3 have infringement to red blood cell, the Absorption And Metabolism of iodine is had to interference, also can make blood cholesterol levels raise.

2, ozonization

Ozonization is widely used in city water, Disinfection of Municipal Wastewater.Ozonization has overcome the danger of chlorine in transportation, storage and processing procedure.Its sterilization is short time of contact, can improve sewage quality, is a kind of good disinfectant, and ozonization is also widely used in food industry and medical industry.

Ozone, for disinfection of hospital sewage, can be killed the viruses such as colon bacillus, polio effectively.Ozonization effect is not subject to the impact of ammonia-nitrogen content and pH value in waste water.

Ozone also must making in site produces, and has produced to take air and as source of the gas, prepare ozone and take oxygen and prepare ozone as source of the gas.According to the size of ozone generating capacity, its manufacturing cost is also different, and in general, ozone generator price comparison is expensive.Owing at present the sewage that is emitted on clear and definite hospital discharge in GBJ48-83 standard of hospital sewage must not being detected to every liter of pathogenic entero becteria and tubercle bacillus and total coli group, must not be greater than 500.Or while using chlorination, the contents of residual chlorine of take in time of contact and contact chamber water outlet is standard.In addition ozonization price is expensive compared with chloridising.

The problems such as that existing sterilization method exists is dangerous, not environmental protection.Appeal in the whole society today of environmental protection, need a kind of disinfectant preparation of environmental protection to solve existing problem.

Summary of the invention

In order to overcome above technical problem, the present invention is directed to the problem that above water body disinfection method exists, a kind of pathogenetic bacteria, the viral micro-organisms that can effectively kill in hospital sewage is provided, again pollution-free, without safe, efficient, the environmental protection of Environmental Residues, stable disinfectant powder.

The technical solution adopted for the present invention to solve the technical problems is, a kind of disinfectant powder for disinfection of hospital sewage is composed of the following components, is respectively by mass percentage:

The beneficial effect that the present invention produces is that the present invention has the following advantages:

(1) effective active composition (effective active oxygen) concentration is high, effectively sterilization.

(2) in water body, by chain reaction meeting, produce lastingly continuously nascent oxygen [O] and serial free radical thereof, therefore keep the sterilizing ability time long in water body.

(3) various active composition coexists, and antimicrobial spectrum is expanded, and makes this product to bacterium and gemma thereof, fungi, virus effectively.

(4) the influenced factor of Germicidal Efficacy is few.

(5) do not produce poisonous and harmful " three cause " accessory substance.

Embodiment

Below in conjunction with specific embodiment, the present invention is described.

Embodiment mono-:

For a disinfectant powder for disinfection of hospital sewage, composed of the following components, be respectively by mass percentage:

Embodiment bis-:

Embodiment tri-:

Embodiment tetra-:

Action principle of the present invention is: this disinfectant powder produces chain reaction in water can produce little molecule free radical, hypochlorous acid, nascent oxygen and active oxygen derivative continuously enduringly, oxidation and chlorination pathogene, bacterium protein sex change is solidified, the OH Free Radical producing is in the phosphodiester bond of DNA, RNA, disturb the synthetic of pathogene DNA and RNA, thus pathogenic microbe killing; In this chain reaction path, sodium chloride is oxidized by Potassium Monopersulfate three salt compounds, the chlorine generating is not released but interacts and form an intermediate compound with sulfamic acid, then this compound generation hypochlorous acid that is decomposed, meanwhile, this reaction loops, after chlorine discharges from sulfamic acid, be used for forming more sodium chloride molecule, for this circulation provides raw material endlessly.In this course of reaction, Disinfection Effect, intermediate product CI and the CIO that can play acid supplement by producing H can play the effect of halogen disinfectant, by discharging O free radical, can play the effect of peroxide disinfectant.

Wherein, dodecyl sodium sulfate is surfactant, and material uniformly emulsify is disperseed, and strengthens acid sterilization;

Calgon PH buffer;

Malic acid, citric acid, tartaric acid form low PH environment and keep product stability and produce Synergistic biocidal effect;

Seed coating medicine strengthens product stability, extends the shelf life.

The technology that the present invention does not describe in detail is known technology.

Claims

1. for a disinfectant powder for disinfection of hospital sewage, it is characterized in that, composed of the following components, be respectively by mass percentage:

2. the disinfectant powder for disinfection of hospital sewage according to claim 1, is characterized in that, composed of the following components, is respectively by mass percentage: