洗濯廢水의 效率的 處理에 關한 硏究

Abstract

Conclusion that get laundry wastewater achieving effective treatment is as following. 1. The Jar- test of coagulation process experimented as alkaline aid Ca(OH) 500㎎/ℓ impose and at Alum 600㎎/ℓ as polymer coagulant at slowly mixed after pour A 101 0.5㎎/ℓ. 2. Results of chemical treatment shown that powdered activated carbon dosage 0.6㎎/ℓ economical, and quality of water was the best, The quality of water of effluent SS 9.5㎎/ℓ, CODMn 14.0㎎/ℓ, CODCr 21.3㎎/ℓ, T-N 41.4㎎/ℓ and T-P 4.65㎎/ℓ, rate of removal SS 40.6%, CODMn 44.2%, CODCr 74.6%, T-N 21.9% and T-P 73.1%. 3. Using the biofilm on biochemical treatment it is HRT 18 hours when handle concentration of treatment SS 11.2㎎/ℓ, CODMn ㎎/ℓ, CODCr ㎎/ℓ, T-N 30.2㎎/ℓ and T-P ㎎/ℓ, rate of removal CODMn 65.1%, CODCr and T-N 61.8%. 4. Biological treatment that use biofilm and chemical treatment used powdered activated carbon appeared that quality of water of powdered activated carbon treatment is better when compare quality of water that pours and does adsorption processing that SS, CODCr, and T-P, quality of water of biological treatment is better CODMn and T-N.