title: ÐÐ¿ÑÐ¸ÑÐµÑÐºÐ¸Ðµ Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÐµÐ»Ð¸ Ð² Ð¾ÑÐµÐ½ÐºÐµ ÐºÐ°ÑÐµÑÑÐ²Ð° ÑÑÑÐ¾Ð¹ Ð²Ð¾Ð´Ñ Ð½Ð° Ð²Ð¾Ð´Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ð½ÑÑ ÑÑÐ°Ð½ÑÐ¸ÑÑ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Optical indicators in raw water quality estimation at WTP
Creators: name: ÐÑÐ½Ð°Ð²Ð°Ð½, Ð¯ÑÐ¸Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÐÐ¾Ð´Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ñ
ÐÐ¾Ð´Ð°
ÑÐµÐºÐ° ÐÐµÐ²Ð°
Ð¼Ð¾Ð½Ð¸ÑÐ¾ÑÐ¸Ð½Ð³ ÐºÐ°ÑÐµÑÑÐ²Ð° Ð²Ð¾Ð´Ñ
ÐºÐ¾ÑÑÐµÐ»ÑÑÐ¸Ð¾Ð½Ð½Ð°Ñ Ð¼Ð°ÑÑÐ¸ÑÐ°
Ð¼ÐµÑÐ¾Ð´ Ð³Ð»Ð°Ð²Ð½ÑÑ ÐºÐ¾Ð¼Ð¿Ð¾Ð½ÐµÐ½Ñ
Neva river
water quality control
correlation matrix
principal components analysis

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description: The topic of the graduate qualification work is Â«Optical indicators in raw water quality estimation at WTPÂ». The goal of work is to make statistical analysis of data about raw water quality at intakes of water treatment plants in St. Petersburg with special attention to optical parameters such as color and turbidity. The following tasks were set in the research: 1. Analysis of factors influencing on river water quality. 2. Correlation analysis of data on chemical and microbiological parameters of raw water. 3. Principal component analysis of the data chemical and microbiological parameters of raw water and recommendations on water quality control based on its results.The work showed high or moderate positive correlations between color and permanganate index, turbidity and concentration of aluminum, low or moderate correlations between turbidity and permanganate index, turbidity and microbiological indicators.Â Principal component analysis revealed 2-4 principal components (PCs) determining raw water quality in the Neva. Color and turbidity showed good relation with important water quality parameters and could be used for basic water quality control at intakes and after treatment.