Method for performing treatment of wastewater from sources, such as coke plants to facilitate efficient removal of cyanide and color from wastewater, involves subjecting wastewater to ultraviolet radiation in acidic environment, and treating UV irradiated wastewater with adsorbent
	BISWAS P; PANDEY N
	2023-09-26
专利权人	TATA STEEL LTD (TAST-C)
申请日期	2023-09-26
专利号	IN202331064705-A
成果简介	NOVELTY - The method involves subjecting the wastewater to ultraviolet (UV) radiation in an acidic environment, and the UV irradiated wastewater is treated with an adsorbent. The wastewater is selected from a group comprising coke plant wastewater, biological oxidation treated (BOT) wastewater, industrial aqueous effluent and water from contaminated water bodies or any combination. The UV irradiation of the wastewater is conducted for about 1 hour to about 3 hours. USE - Method for performing treatment of wastewater from sources, such as coke plants to facilitate efficient removal of cyanide and color from wastewater. ADVANTAGE - The method reduces total cyanide content in the wastewater to less than 0.2 ppm and removes 99% of total cyanides from the wastewater, and reduces color in wastewater to less than about 200 Platinum-Cobalt (PtCo), and provides a multi-step method for the treatment of effluent or wastewater from sources, such as coke plants to facilitate efficient removal of cyanide and color from wastewater. The method overcomes the limitation and can be effectively employed for cyanide and color mitigation from industrial wastewater. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for use of a combination of UV irradiation and adsorbent for removing cyanide and colour from wastewater. DESCRIPTION OF DRAWING(S) - The drawing shows a graphical representation of removal of free cyanide from wastewater with and without subjecting the wastewater to UV irradiation.
IPC 分类号	C01B-031/08
国家	印度
专业领域	化学化工
语种	英语
成果类型	专利
文献类型	科技成果
条目标识符	http://119.78.100.226:8889/handle/3KE4DYBR/20251
专题	中国科学院新疆生态与地理研究所
作者单位	TATA STEEL LTD (TAST-C)
推荐引用方式 GB/T 7714	BISWAS P,PANDEY N. Method for performing treatment of wastewater from sources, such as coke plants to facilitate efficient removal of cyanide and color from wastewater, involves subjecting wastewater to ultraviolet radiation in acidic environment, and treating UV irradiated wastewater with adsorbent. IN202331064705-A[P]. 2023.

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