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	Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability
	Lombardi, P; Montuschi, M; Formozov, A; Brigatti, A; Parmeggiano, S; Pompilio, R; Depnering, W; Franke, S; Gaigher, R; Joutsenvaara, J; Mengucci, A; Meroni, E; Steiger, H; Mantovani, F; Ranucci, G; Andronico, G; Antonelli, V; Baldoncini, M; Bellato, M; Bernier, E; Brugnera, R; Budano, A; Buscemi, M; Bussino, S; Caruso, R; Chiesa, D; Clementi, C; Corti, D; Dal Corso, F; Ding, XF; Dusini, S; Fabbri, A; Fiorentini, G; Ford, R; Galet, G; Garfagnini, A; Giammarchi, M; Giaz, A; Grassi, M; Insolia, A; Isocrate, R; Lippi, I; Malyshkin, Y; Mari, SM; Marini, F; Martellini, C; Martini, A; Mezzetto, M; Miramonti, L; Monforte, S; Montini, P; Nastasi, M; Ortica, F; Paoloni, A; Pedretti, D; Pelliccia, N; Previtali, E; Re, AC; Ricci, B; Riondino, D; Romani, A; Saggese, P; Salamanna, G; Sawy, FH; Settanta, G; Sisti, M; Sirignano, C; Stanco, L; Strati, V; Verde, G; Votano, L
	2019
Source Publication	NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume	925
Subtype	Article
Abstract	This paper describes the design, construction principles and operations of the distillation and stripping pilot plants tested at the Daya Bay Neutrino Laboratory, with the perspective to adapt these processes, system cleanliness and leak-tightness standards to the final full scale plants to be used for the purification of the liquid scintillator of the JUNO neutrino detector. The main goal of these plants is to remove radio impurities from the liquid scintillator while increasing its optical attenuation length. Purification of liquid scintillator will be performed with a system combining alumina oxide, distillation, water extraction and steam (or N(2)gas) stripping. Such a combined system will aim at obtaining a total attenuation length greater than 20 m @430 nm, and a bulk radiopurity for (238)Uand(232)Th in the 10(-15)divided by 10(-17)g/g range. The pilot plants commissioning and operation have also provided valuable information on the degree of reliability of their main components, which will be particularly useful for the design of the final full scale purification equipment for the JUNO liquid scintillator. This paper describes two of the five pilot plants since the Alumina Column, fluorescent material mixing and the Water Extraction plants are being developed by the Chinese part of the collaboration.
Keyword	LAB Radiopurity Liquid scintillator Attenuation length Scintillator transparency Light yield Nitrogen purging Large-scale experiments
DOI	10.1016/j.nima.2019.01.071
Indexed By	ADS
Language	英语
WOS ID	WOS:000460539400002
ADS Bibcode	2019NIMPA.925....6L
ADS URL	https://ui.adsabs.harvard.edu/abs/2019NIMPA.925....6L
ADS CITATIONS	https://ui.adsabs.harvard.edu/abs/2019NIMPA.925....6L/citations
Citation statistics	Cited Times:14 [ADS]
Document Type	期刊论文
Identifier	http://ir.ihep.ac.cn/handle/311005/297550
Collection	江门中微子实验
Recommended Citation GB/T 7714	Lombardi, P,Montuschi, M,Formozov, A,et al. Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2019,925.
APA	Lombardi, P.,Montuschi, M.,Formozov, A.,Brigatti, A.,Parmeggiano, S.,...&Votano, L.(2019).Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,925.
MLA	Lombardi, P,et al."Distillation and stripping pilot plants for the JUNO neutrino detector: Design, operations and reliability".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 925(2019).

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