Anticorrosive microbicide

An anticorrosive biocide of the peroxide/peracid type wherein the in use solution comprises:

• a) hydrogen peroxide from about 0.004% to about 30% by weight;
• b) peracetic acid from about 0.0003% to less than 55% by weight;
• c) acetic acid from about 0.025% to about 12% by weight;
• d) balance water;
• and
• e) an anticorrosive additive or additives in an amount of from about 0.001% by weight up to the solubility limit of said additive or additives. Said additive or additives being selected from the group consisting of:
• (i) sodium hydroxide reaction products of an aliphatic alcohol and phosphorous pentoxide
• (ii) a mixture of sodium pentakis (2-ethyl hexyl) triphosphate and phosphoric acid;
• and
• (iii) potassium perfluoroalkyl sulfonate.

A two-component, anticorrosive, stable, peroxide/peracid biocide, which is shippable in sealed containers, said peroxide/peracid biocide comprising Part A and Part B, wherein Part A comprises:

• a) hydrogen peroxide from about 18% to about 30% by weight;
• b) peracetic acid from about 3% to about 5% by weight;
• c) acetic acid from about 6% to about 10% by weight;
• d) balance water;
• and wherein Part B comprises an anticorrosive additive or additives, said anticorrosive additive or additives being selected from the group consisting of:
• (i) from about 0.005% by weight up to the solubility limit of sodium hydroxide reaction products of an aliphatic alcohol and phosphorous pentoxide;
• (ii) from about 0.001% by weight up to the solubility limit of potassium perfluoroalkyl sulfonate;
• and
• (iii) from about 0.001% by weight up to the solubility limit of a mixture of sodium pentakis (2-ethyl hexyl) triphosphate and phosphoric acid, disodium;
• and wherein Parts A and B when mixed result in a dilution of Part A to a biocidally effective level, and wherein the resulting solution has greater than 0.001% by weight of the additive or additives.

A two-component, anti-corrosive, stable peroxide/peracid biocide, which is shippable in sealed containers, said biocide comprising Part A and Part B wherein Part A comprises:

• a) hydrogen peroxide from about 18% to about 30% by weight;
• b) peracetic acid from about 3% to about 5% by weight;
• and
• c) acetic acid from about 6% to about 10% by weight;
• d) balance water;
• and wherein Part B comprises an additive selected from the group consisting of:
• i) sodium hydroxide reaction products of an aliphatic alcohol and phosphorous pentoxide;
• ii) a mixture of sodium pentakis (2-ethyl hexyl) triphosphate and phosphoric acid, di sodium;
• and
• iii) potassium perfluoroalkyl sulfonate;
• and wherein Part A is diluted in Part B from 66 to 80 times to form a final solution having a concentration of the additive from 0.001% by weight to the solubility limit of the additive in the final solution.

A peroxide/peracid biocide concentrate comprising:

• a) hydrogen peroxide from about 18% to about 30% by weight;
• b) peracetic acid from about 3% to about 5% by weight;
• c) acetic acid from about 6% to about 10% by weight;
• and
• d) an anticorrosive additive or additives selected from the group consisting of:
• i) sodium hydroxide reaction products of an aliphatic alcohol and phosphorous pentoxide;
• ii) a mixture of sodium pentakis (2-ethyl hexyl) triphosphate and phosphoric acid, di sodium, and
• iii) potassium perfluoroalkyl sulfonate;
• wherein, on dilution of the concentrate with water to a biocidally effective level the anticorrosive additive will be present in an amount from about 0.005% by weight up to the solubility limit.

An anticorrosive biocide of the peroxide/peracid type wherein the in use solution comprises:

• a) hydrogen peroxide from about 0.004% to about 30% by weight;
• b) peracetic acid from about 0.0003% to less than 55% by weight;
• c) acetic acid from about 0.025% to about 12% by weight;
• d) water;
• and
• e) an anticorrosive additive or additives in an amount of from about 0.001% by weight up to the solubility limit of said additive or additives, said additive or additives being selected from the group consisting of:
• (i) sodium hydroxide reaction products of an aliphatic alcohol and phosphorous pentoxide;
• (ii) a mixture of sodium pentakis (2-ethyl hexyl) triphosphate and phosphoric acid;
• and
• (iii) potassium perfluoroalkyl sulfonate.