Contaminant removal from natural resources

A zero-valent metal emulsion comprising,

• a) a plurality of zero-valent metal particles or a plurality of bimetallic particles;
• b) a surfactant;
• c) an oil or d-limonene or both oil and d-limonene;
• and
• d) water including an acid or a base.

A method for remediating a natural resource containing a halogenated aromatic compound comprising:

• a) providing a zero-valent metal emulsion comprising,
• i) a plurality of bimetallic particles
• ii) a surfactant;
• iii) an oil or d-limonene or both oil and d-limonene;
• and
• iv) water;
• and
• b) adding said zero-valent metal emulsion to said natural resource, whereby said natural resource is dehalogenated.

A method for remediating a metal from a natural resource comprising:

• a) providing a zero-valent metal emulsion comprising,
• i) a plurality of zero-valent metal particles or a plurality of bimetallic particles
• ii) a surfactant;
• iii) an oil or d-limonene or both oil and d-limonene;
• and
• iv) water including an acid or a base;
• and
• b) adding said zero-valent metal emulsion to said natural resource, whereby said metal is removed from said natural resource.