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The present disclosure is directed to a desulphurization agent for removing sulphurous species from a diluent or process stream, and a use of such agent. In some examples, the agent may include a compound of manganese, pore forming particles and a compound of copper. The agent may be introduced into

The present disclosure is directed to a desulphurization agent for removing sulphurous species from a diluent or process stream, and a use of such agent. In some examples, the agent may include a compound of manganese, pore forming particles and a compound of copper. The agent may be introduced into or mixed with the diluent or process stream to effectuate removal of sulphorous species from the diluent or process stream.

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1. A desulphurisation agent for removing sulphurous species from a diluent or process stream, the agent comprising at least one compound of manganese, pore forming particles, and at least one compound of copper. 2. Use of an agent for desulphurisation of a process or diluent stream, the agent compri

1. A desulphurisation agent for removing sulphurous species from a diluent or process stream, the agent comprising at least one compound of manganese, pore forming particles, and at least one compound of copper. 2. Use of an agent for desulphurisation of a process or diluent stream, the agent comprising at least one compound of manganese, at least one compound of copper, and pore forming particles. 3. The agent of claim 1, further comprising at least one of a compound of iron and a compound of zinc. 4. The agent of claim 3, wherein a ratio of the compound of manganese to the at least one compound of iron and/or copper and/or zinc is between 8:1 and 1:8 by weight. 5. The agent of claim 3, wherein a ratio of the compound of manganese to the at least one compound of iron and/or copper and/or zinc is between 3:1 and 1:3 by weight. 6. The agent of claim 1, wherein the pore forming particles comprise thermoplastic particles. 7. The agent of claim 1, wherein the pore forming particles comprise thermoplastic spheres. 8. The agent of claim 7, wherein between 5% and 95% of a total volume of the agent comprises thermoplastic spheres. 9. The agent of claim 7, wherein between 10% and 30% of a total volume of the agent comprises thermoplastic spheres. 10. The agent of claim 1, wherein the compound of manganese comprises at least one of an oxide, a hydroxide and a carbonate. 11. The agent of claim 3, wherein each of the at least one compound of iron, copper, and zinc is selected from an oxide, a hydroxide and a carbonate. 12. The use of the agent of claim 2, wherein the agent is introduced into the process or diluent stream. 13. The use of the agent of claim 2, wherein the agent is mixed with the process or diluent stream. 14. The use of the agent of claim 2, wherein heat is applied to the agent.