JPS5877805A - Agent for controlling living thing attached to material in sea - Google Patents

Abstract

PURPOSE:An agent for controlling living things, having extremely improved effects on living things attached to materials in sea, such as hydrozoans, Mytilus edulis, etc. attached to a cooling water system for thermoelectric steam power plant station, iron mill, etc. using seawater, comprising a zirconium compound as an active ingredient. CONSTITUTION:An agent for controlling living things attached to materials in sea comprising a zirconium compound (e.g., zirconium chloride, zirconium sulfate, zirconium nitrate, zirconium acetate, ammonium zirconium carbonate) as an active ingredient. Usually about 0.005-3ppm calculated as zirconium of the agent is added to the flow of seawater for 1-24hr a day. The use of an alkyl- dimethylammonium chloride, beef tallow alkylpropylenediamine, sodium dimethylthiocarbamate, etc. with the agent provides further effect.

Description

[Detailed description of the invention] TECHNICAL FIELD This invention relates to an agent for controlling nasal breath-adhering organisms.

In factories such as thermal power plants and steel mills that use seawater, organisms that attach to the nasal passages (such as mussels, fujibos, water bugs, bryozoans, and sea squirts) adhere to the cooling water systems.
performance. Among them, Tadaumihydra (hydropods of the suborder Apodium of the phylum Coelenterata, class Hydrozoa) reproduces rapidly, and if they begin to attach to heat exchangers, etc., they will cause a decline in their functionality within 2 to 3 weeks. The season is said to be from April to October, but in areas where the water temperature is high, such as in heat exchangers, they can reproduce and grow even in the winter.Then, they are stripped off by water pressure and flow velocity, and become clogged in heat exchanger tubes and strainers. The mussels adhere to each other and grow at a high rate.For this reason, the mussels attached at the bottom are unable to absorb nutrients and dissolved oxygen. can't be done in one minute and dies.

As the mussels die, the byssus threads attached to the walls become thinner and fall off due to water pressure and water flow, causing blockages in the cooling tubes, preventing the passage of seawater and reducing their functionality.

This invention was made as a result of various research conducted to solve these problems, and it was found that zirconium compounds have a control effect on snort-adhering organisms, and are particularly effective against water worms and mussels. This was done by discovering the facts that it is effective.

Zirconium compounds are the agglomeration of fine particles from zirconyl soap, lake pigments, and catalyst 9 paper/pulp wastewater.

Used as a white leather tanning agent, fiber treatment agent, water repellent raw material, etc. - 13 PPm of Zirnium oxychloride (6.7 PPm as Zr)
There is a description that rotifers and ciliates can be floc-formed and removed by adding 18 ppm (9.2 ppm as Zr) of Zr. However, compared to protozoa such as rotifers and ciliates, bivalve larvae of molluscs and hydromushi larvae of coelenterata have more developed functions, different physiological activities and motility, and There are also many differences from the skin, which is an organism that grows attached to the skin.

Therefore, mussels, 7 zitsupo, due to zirconium compounds,
Prevention against nasal breath-adhering organisms such as hydrophiles.

As far as the inventors of the present invention know, the deterrent action is completely unknown.According to the present invention, there is provided an agent for controlling nasal breath-fouling organisms, which contains 1 m or 2 or more of a silconylim compound as an active ingredient.

The zirconium compound used in this invention may at least be a compound capable of liberating zirconium ions or zirconyl ions in the target system, and zirconium hydroxides can also be used, but zirconium hydroxides are usually used. Compounds, oxyacid salts, organic acid salts, etc. are suitable. Specifically, zirconium chloride, zirconyl chloride, and zirconium iodide.

7% rogenation such as zirconyl tauride, sulfur-removed zirconium, zirconyl sulfate, 444 acid') treconium A, d-acid zirconyl, carbonate zirconium, carbonate zirconyl, a
Oxygen acid salts such as zirconium ammonium, zirconyl ammonium carbonate, zirconium phosphate, silconium phosphate, zirconium acetate, zirconyl acetate, zirconium citrate, zirconyl citrate, zirconium laurate, zirconyl laurate, zirconium stearate, .

f7') Organic acid salts such as di-, luconyl, and zirconium salts of aliphatic dicarboxylic acids can be mentioned.

Among these, zirconium chloride, zirconium sulfate,
Zirconium nitrate, IB[zirconium, ammonium zirconium carbonate, and zirconyl compounds corresponding to these 6 are preferred from the viewpoint of water solubility and the like.

In addition, in this invention, there is no problem even if these ratios of 2:1 or more are used.

The zirconium compound of the present invention is usually used as a nasal biological control agent in the form of a solution, suspension, or powder. In the case of a liquid agent, a 5 to 20 mt% aqueous solution can be used, and a powder agent (for example, zirconium sulfate 5 to 30 weight %, Glauber's salt 95 to 70 weight % S) can also be used. 8! It is also effective as an IMAs agent when using a chemical salt,
It can be used in Of course, when a powdered compound is used, it may be used as it is as a powder. In addition, when adding these preparations, it is necessary to pre-dissolve or suspend them in water, methanol, ethanol, dimethylformamide, methyl cellosolve, etc., in order to make them uniformly sensitive to seawater. It is preferable to add it afterwards.

When using the pesticidal agent of this invention, its older sister Violet has a slight increase or decrease due to the strength of its physiological activity against organisms attached to the nasal passages.
r) Toshiro-rO, 0.005 to 3 PPm is suitable for addition for about 1 to 24 hours a day.

In addition, the pesticidal agent of the present invention further contains sodium dimethyldithiocarbamate, 5-chloro-2-methyl-isothiazolin-3one, lucium chloride, and tallow alkylpropylene.
It is effective to use resin diamine, N,N-dimethyl-β-hydroxyalkylamine, alkyl 2-dimethylbenzylammonium chloride, glare 1L water cord, sodium hypochlorite, etc. in combination. When these small aliphatic amines are used together, there is a difference in mixing ratio with the zirconium compound - manufacturing power. Examples of these formulations are illustrated in the Examples below. Note that the aliphatic amines used include cationic surfactants such as alkyldimethylammonium chloride and alkyltrimethylammonium chloride;
Beef tallow alkylpropylene diamine, alkylamine, β
-Hydroxyalkylamines, etc. and their ethylene-oxide adducts, 8.

N-dimethylalkylamine, N,N-dimethyl-β-
Examples include hydroxylamine.

The pest control agent of the present invention exhibits a good control effect on various nasal-adhering organisms, and particularly exhibits a particularly excellent control effect on water beetles.

This prediction will be explained below with reference to Examples, but the present invention is not limited thereto.

Example 1 A test plant was used in which a test plate was placed in a vinyl chloride pipe with a vk of 100 mm and a length of 2 seconds. Approximately 5 tons/hour), each drug is injected with a chemical pump, and the adherent organisms (water beetles, uneven snails,
Table 111 shows the results of comparing the Fujibbo amount] with the blank.

Example 2 In the same manner as in Example 1, a test was conducted using a mixed preparation of a zirconium compound and aliphatic amines shown below, and an excellent control effect was obtained. The results are shown in Table 2. (% weight%) (Formulation example 1) N,N-dimethyllaurylamine acetate 1 (zirconyl monochloride 15% water 75% (Formulation example 2) Lauryldimethylbenzylammonium chloride 20
g6 Zirconyl nitrate 10% Water 7096 (Formulation example 3) Beef tallow η-Ka ~ 64 Keshiya Ado 3-7 adduct 10-Dylbenyl acetate 15% Water 7596 (Formulation example 4) N, N-dimethyl-β-7droxyhexadecylamine AN
Salt production: 0 g 6 Zirconyl chloride l, 0 - Water 8056 Example 3 In the same manner as in Example 1, excellent pesticidal effects were obtained when a zirconium compound was used in combination with aliphatic amines and other compounds.

The results are shown in Table 3.

Claims (1)

[Scope of Claims] 1. An agent for controlling nasal breath-adhering organisms, which contains one or more zirconium compounds as an active ingredient. λ The pesticidal agent according to claim 1, wherein the zirconium compound is a zirconium halide, oxyacid salt, or organic acid salt. 1 The zirconium compound is zirconium chloride, zirconyl 11, monozirconium, zirconyl tritide,
Zirconium sulfate, zirconyl sulfate, zirconium nitrate, zirconyl nitrate, zirconium carbonate, IU19 luconyl, zirconium ammonium carbonate, zirconyl ammonium carbonate, zirconium phosphate, zirconyl phosphate, zirconium acetate, zirconyl acetate, zirconium citrate, zirgonyl citrate, lauric acid The pesticidal agent according to claim 1 or 2, which is zirconium, zirconyl laurate, zirconium stearate, or zirconyl stearate. 4. The zirconium compound is zirconium chloride, zirconyl chloride, zirconium sulfate, am zirconyl, 1I4
i11 Sirconi. The pesticidal agent according to claim 1 or 2, which is rum, zirconyl nitrate, ammonium zirconium carbonate, ammonium zirconyl carbonate, zirconium acetate, or zirconyl acetate. 5. The control agent according to any one of claims *i to 4, which is used for controlling hydrobugs. Claim 111 in which 6 and 4 are used for controlling type A
4. The pesticidal agent according to any one of items 4 to 4.