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Toxicity Testing Product Applications In Hungary
4 applications found
Objective: Certain constituents of the test waste were know to be biodegradable but were suspected of being toxic to aerobic biological processes when present in high concentrations. The objective was then to determine how much waste could be added to an activated sludge process before toxic impacts would be ...
ByChallenge Technology based in Springdale, ARKANSAS (USA)
Measurement of oxygen uptake of the pesticides: carbaryl, carbofuran and aldicarb in samples seeded with microorganisms extracted from ...
ByChallenge Technology based in Springdale, ARKANSAS (USA)
ByBuck Scientific Inc based in Ansonia, CONNECTICUT (USA)
METHOD: A seed culture from a full-scale anaerobic digester was placed in a number of 200 mL respirometer vessels. A synthetic wastewater having a 20,000 mg COD/L in a nutrient/ mineral/buffer solution was fed daily to each reaction vessel — along with various amounts of the cleaning agent The reactors were operated for a four day test period with measurement of gas production using a CHALLENGE ANR-200 anaerobic ...
ByChallenge Technology based in Springdale, ARKANSAS (USA)