Agent for the purification of waste waters and process for its production

Claim 2

A chemical agent for the treatment of contaminated waste waters, especially of waste waters in the form of oily emulsions, the agent being composed by weight of the following compounds in the following proportions: ______________________________________ Talc 1.5-2.5 kg Adipic Acid 2.0-3.0 kg Aluminum Sulfate 17.0-23.0 kg An acid activated bentonite, comprising approximately 56.7% SiO.sub.2 ; 20.2% Al.sub.2 O.sub.3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na.sub.2 O + K.sub.2 O 35.0-48.0 kg A polymeric organic Flocculating Agent 0.3-0.5 kg Lime 12.0-15.0 kg Bentonite 20.0-28.0 kg 87.8-120.0 ______________________________________

Claim 3

The chemical agent as defined in claim 1 wherein the flocculating agent is polyacrylamide.

Claim 4

A chemical agent for the treatment of contaminated waste waters, especially of waste waters in the form of oily emulsions, wherein substantially 101 kg of the agent have the following composition by weight: ______________________________________ Talc 2 kg Adipic Acid 2.5 kg Aluminum Sulfate 20 kg A bentonite activated by contacting the bentonite with a mineral acid, heating the acid treated bentonite near 100° C. and removing excess acid, said activated bentonite comprising approximately 56.7% SiO.sub.2 ; 20.2% Al.sub.2 O.sub.3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na.sub.2 O + K.sub.2 O 42 kg A polymeric organic Flocculating Agent 1 kg Lime 13.5 kg Bentonite 20 kg ______________________________________

Claim 5

A chemical agent for the treatment of contaminated waste waters, especially of waste waters in the form of oily emulsions, wherein substantially 101 kg of the agent have the following composition by weight: ______________________________________ Talc 2 kg Adipic Acid 2.5 kg Aluminum Sulfate 20 kg A bentonite activated by contacting the bentonite with a mineral acid, heating the acid treated bentonite near 100° C. and removing excess acid, said activated bentonite comprising approximately 56.7% SiO.sub.2 ; 20.2% Al.sub.2 O.sub.3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na.sub.2 O + K.sub.2 O 42 kg A polymeric organic Flocculating Agent 1 kg Lime 13.5 kg Bentonite 20 kg ______________________________________

Claim 6

A process for the production of a chemical agent for the purification of waste waters, the chemical agent comprising talc, adipic acid, aluminum sulfate, a bentonite activated by contacting the bentonite with a mineral acid, heating the acid treated bentonite near 100° C. and removing excess acid, said activated bentonite comprising approximately 56.7% SiO 2 ; 20.0% Al 2 O 3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na 2 O+K 2 O, a polymeric organic flocculating agent, lime and bentonite, the process including the steps of: (a) introducing the talc and the adipic acid and mixing them into an homogeneous mixture; (b) adding the aluminum sulfate to the talc-adipic acid mixture, and mixing until homogeneity is achieved; (c) adding said acid activated bentonite to the talc-adipic acid-aluminum sulfate mixture and mixing until homogeneity is achieved; (d) adding the polymeric organic flocculating agent to the talc-adipic acid-aluminum sulfate-acid activated bentonite mixture and mixing until homogeneity is achieved; (e) adding the lime to the talc-adipic acid-aluminum sulfate-acid activated bentonite-flocculating agent-lime mixture and mixing until homogeneity is acheived.

Claim 7

A process for the production of a chemical agent for the purification of waste waters, the chemical agent comprising talc, adipic acid, aluminum sulfate, a bentonite activated by contacting the bentonite with a mineral acid, heating the acid treated bentonite near 100° C. and removing excess acid, said activated bentonite comprising approximately 56.7% SiO 2 ; 20.0% Al 2 O 3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na 2 O+K 2 O, a polymeric organic flocculating agent, lime and bentonite, the process including the steps of: (a) introducing the talc and the adipic acid and mixing them into an homogeneous mixture; (b) adding the aluminum sulfate to the talc-adipic acid mixture, and mixing until homogeneity is achieved; (c) adding said acid activated bentonite to the talc-adipic acid-aluminum sulfate mixture and mixing until homogeneity is achieved; (d) adding the polymeric organic flocculating agent to the talc-adipic acid-aluminum sulfate-acid activated bentonite mixture and mixing until homogeneity is achieved; (e) adding the lime to the talc-adipic acid-aluminum sulfate-acid activated bentonite-flocculating agent-lime mixture and mixing until homogeneity is acheived.

Claim 8

The process of claim 4 wherein the flocculating agent is polyacrylamide.

Claim 9

A chemical agent for the treatment of contaminated waste waters, especially of waste waters in the form of oily emulsions, the agent being composed by weight of the following compounds in the following proportions: ______________________________________ Talc 1.5-2.5 kg Adipic Acid 2.0-3.0 kg Aluminum Sulfate 17.0-23.0 kg A bentonite activated by contacting the bentonite with a mineral acid, heating the acid treated bentonite and removing excess acid, said activated bentonite comprising approximately 56.7% SiO.sub.2 ; 20.2% Al.sub.2 O.sub.3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na.sub.2 O + K.sub.2 O 42 kg A polymeric organic Flocculating Agent 0.3-0.5 kg Lime 12.0-15.0 kg Bentonite 20.0-28.0 kg 87.8-120.0 ______________________________________

Claim 10

A chemical agent for the treatment of contaminated waste waters, especially of waste waters in the form of oily emulsions, the agent being composed by weight of the following compounds in the following proportions: ______________________________________ Talc 1.5-2.5 kg Adipic Acid 2.0-3.0 kg Aluminum Sulfate 17.0-23.0 kg A bentonite activated by contacting the bentonite with a mineral acid, heating the acid treated bentonite and removing excess acid, said activated bentonite comprising approximately 56.7% SiO.sub.2 ; 20.2% Al.sub.2 O.sub.3 ; 2.9% CaO; 4.3% MgO; and 2.7% Na.sub.2 O + K.sub.2 O 42 kg A polymeric organic Flocculating Agent 0.3-0.5 kg Lime 12.0-15.0 kg Bentonite 20.0-28.0 kg 87.8-120.0 ______________________________________