JPH0739858A - Treating agent for liquid waste - Google Patents

Abstract

PURPOSE:To suppress splashing of polluted liquid waste and to easily and safely execute the treatment thereof by constituting a treating agent of a compsn. which is formed by uniformly mixing a solid active chlorine agent and a high- polymer flocculating agent to be contained as essential components and is in a substantially solid state. CONSTITUTION:This treating agent for the liquid refuse is composed of the compsn. of the substantially solid state which contains the solid active chlorine agent and the high-polymer flocculating agent as the essential components and is formed by uniformly compounding these components. The method of using the treating agent is executed by an either of a method of previously throwing the treating agent into a container of the liquid waste or storing the liquid waste in this container, then spraying the treating agent to the waste. The treating agent contains the solid active chlorine agent and the high-polymer flocculating agent and, therefore, if the treating agent is brought into contact with the liquid waste, microorganisms, such as bacteria, are inactivated by the strong antimicrobial effect of the solid active chlorine agent and the liquid waste is rapidly solidified, flocculated and gelatinized by the high-polymer flocculating agent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a treating agent for liquid waste, which is used for inactivating microorganisms,
Since it has the effect of preventing foul odors, it is particularly useful for treating infectious waste generated in medical institutions.

[0002]

2. Description of the Related Art When treating a liquid waste by using a solid activated chlorine agent such as a chlorinated isocyanuric acid compound, the solid activated chlorine agent is directly administered to the waste to be treated or activated. A method is used in which a chlorine agent is dissolved in water and brought into contact with waste to be treated.

[0003]

According to the method of directly administering the solid active chlorine agent to the liquid waste to be treated, a great deal of labor is required to bring the both into uniform contact, and the infectivity However, there is a problem in handling the waste, such as increased risk of handling, and even when the active chlorine agent is dissolved in water and brought into contact with the waste to be treated, it is safe to run due to the outflow and scattering of the liquid waste. It was difficult to handle.

When treating this type of waste, a method is known in which a coagulant is added to a liquid waste and solidified and incinerated. However, the waste solidified by the coagulant is sterilized and disinfected. Since it is difficult to make uniform contact with the agents, there was a risk when handling infectious waste.

[0005]

Means for Solving the Problems The inventors of the present invention have made extensive studies in view of such circumstances, and as a result, they contain a solid active chlorine agent and a polymer flocculant as essential components, and these are uniformly blended. Further, it was confirmed that the intended purpose can be achieved by bringing a composition in a substantially solid state into contact with a liquid waste, and the present invention has been completed.

Typical solid active chlorine agents used as the treating agent of the present invention are trichloroisocyanuric acid,
Sodium dichloroisocyanurate, potassium dichloroisocyanurate, dichloroisocyanuric acid, etc., and typical polymer flocculants are polyacrylic acid salts such as sodium polyacrylate or polyacrylamide compounds or mixtures thereof. Is.

The mixing ratio of the solid active chlorine agent and the polymer flocculant in the treatment agent of the present invention is usually 5 to 30 parts by weight of the former, and 70 to 95 parts by weight of the latter is practical. When a liquid flocculant is used as the polymer flocculant, the amount thereof should be reduced and the composition should be in a substantially solid state. In carrying out the present invention, solid active chlorine agents such as sodium sulfate, sodium tripolyphosphate, boric acid, and stearates, and auxiliary agents that do not react with the polymer flocculant can be added. The treatment agent of the present invention is used in the form of pills, coarse granules, granules, powders, tablets, capsules and the like.

[0008] These may be used either by putting the treating agent in a container of liquid waste in advance or by storing the liquid waste in the container and then spraying it on the waste. . The treatment agent of the present invention is preferably used in a ratio of 4 to 400 liters of liquid waste, usually 20 to 80 liters, per kg of the product.

[0009]

【Example】

(Example 1) 20 parts by weight of granular sodium dichloroisocyanurate and 80 parts by weight of granular sodium polyacrylate were mixed for 5 minutes to prepare a solid processing agent in which both were uniformly dispersed. When 500 g of the treating agent thus obtained was put into a container made of synthetic resin and placed therein, and 20 liters of waste mainly consisting of animal blood was collected therein, the treating liquid rapidly became a gel, As a result of measuring the number of general bacteria of the thus treated by the smear plate culture method, the number of bacteria was 0.

Example 2 15 parts by weight of granular sodium dichloroisocyanurate and 85 parts by weight of granular sodium polyacrylate were mixed for 5 minutes to prepare a solid treatment agent in which both were uniformly dispersed. Treatment agent 25 thus obtained
As a result of uniformly dispersing 0 g of the liquid medical waste in 10 liters, the treatment liquid immediately became a gel and the unpleasant odor immediately disappeared.

[0011]

Since the treatment agent of the present invention contains a solid active chlorine agent and a polymer flocculant, when it is brought into contact with a liquid waste, the strong active antimicrobial action of the solid active chlorine agent causes bacteria In addition to inactivating microorganisms such as, the polymer coagulant rapidly solidifies, aggregates, and gels liquid waste, and the scattering of contaminated liquid waste is suppressed, making its treatment easy and safe. Can be carried out.

The polymer flocculant used in the present invention has a good blending property with the solid active chlorine agent, so that the treatment agent can be stably stored for a long period of time. Further, when the polymer flocculant contacts the liquid waste and gels, the flocculant is moderately deposited on the surface of the solid active chlorine agent, which improves the stability of the active chlorine agent over time. , Its effect lasts for a long time. Since this treatment agent contains an active chlorine agent and a polymer flocculant that are uniformly mixed, when the treatment agent comes into contact with liquid waste, solidification of the waste with the active chlorine agent taken in, Aggregation and gelation proceed. Therefore, since the action of the active chlorine agent can be exerted even inside the gelled waste, it is possible to eradicate the generation of unpleasant odor due to sterilization and sterilization of bacteria.

As described above, the treatment agent of the present invention is particularly useful for treating infectious liquid waste generated from medical institutions.
A remarkable effect is recognized.

Claims (1)

[Claims] 1. Treatment of liquid waste, which comprises a solid active chlorine agent and a polymer flocculant as essential components, and is composed of a composition in a substantially solid state in which these are uniformly blended. Agent.