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Process of sealing leaks

阅读:378发布:2021-12-30

专利汇可以提供Process of sealing leaks专利检索,专利查询,专利分析的服务。并且Leaks in pipelines, conduits, tanks, vessels and the like are sealed by introducing ammonia gas under pressure into such equipment which will escape through any existing leaks and react with an aqueous metal salt solution supplied at the external site of the leak to form a solid reaction product which seals the leak. Ammonia gas admixed with carbon dioxide gas may also be used in this process to produce complex solid reaction products for sealing leaks.,下面是Process of sealing leaks专利的具体信息内容。

  • 2. The process of claim 1 wherein the aqueous solution of the metal salt is retained at the external locus of the leak in an absorbent porous solid inert vehicle.
  • 3. The process of claim 1 wherein the equipment is buried in the ground and the ground is soaked at the locus of a leak with said aqueous metal salt solution.
  • 4. The process of claim 1 wherein the gas is ammonia gas.
  • 5. The process of claim 1 wherein the water-soluble metal salt is selected from the group consisting of the respective chloride, sulfate and nitrate salts of iron, copper, nickel, cobalt, lead, cadmium, manganese, zinc, tin, bismuth, mercury, magnesium, aluminum, antimony, calcium, strontium, barium, and chromium.
  • 6. The process of claim 1 wherein ammonia gas is first introduced into the equipment and then carbon dioxide gas is introduced.
  • 7. The process of claim 1 wherein a volatile alkyl amine is introduced into the equipment.
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