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1987-07-16
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1984-05-24
Method of treating acid liquid wastes
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1986-01-29
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1985-11-27
Method of isolating methacrylic acid
IL60577A0
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1980-09-16
Process and device for purifying waste sulfuric acid containing fluoride
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1986-03-13
Thermal decomposition of waste sulfuric acid
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1988-10-27
Apparatus and process for the concentration of sulphuric acid
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1985-06-01
Process of removing arsenic from waste sulfuric acid
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1983-05-05
Preparation of sulfuric acid
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1989-07-06
Method of solidifying waste slurries containing high concentrations of boric acid
IL67730A
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1986-08-31
Method of purifying wet process phosphoric acid
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1987-10-01
Method of purifying methacrylic acid
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1984-01-02
Method of concentration of waste sulfuric acid
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1986-01-16
Process for decomposing diluted sulfuric acid
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1985-04-09
Method of separation of arsenic from acid solutions
CS422783A2
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1989-12-13
Method of stable waste concentrates production with high salt concentration
DE3360664D1
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1985-10-03
Novel method for determination of 5-aminosalicylic acid
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1982-03-25
Method of processing burnable nuclear waste without using sulfuric acid
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1985-10-17
Method of using higher concentration sulfuric acid for stripping and precipitation of adsorbed magnesium
ZA835647B
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1985-03-27
Process of producing sulfuric acid
JPS573704A
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1982-01-09
Method of decomposing iron sulfate and sulfuric acid
PL244175A1
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1985-04-24
Method of concentration of sulfuric acid solution
PL254140A1
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1987-02-09
Method of utilizing waste sulfuric acid
JPS5549138A
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1980-04-09
Method of treating waste acid
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1984-09-10
Method of manufacture of sulfuric acid