nuredrain: nutrient removal and recovery from drainage water - … · 2019-02-03 · nuredrain 2...
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Els Pauwels
NuReDrain: Nutrient Removal and Recovery from Drainage Water
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
NuReDrain
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• Nutrient Removal and Recovery from Drainage water
Interreg project North Sea Region
– NSR = intensive farming area
– Nutrient (N + P) input from land to rivers, lakes, coastal zones
– Eutrophication: less oxygen, less water quality, less aquatic biodiversity, toxins
– Affects drinking water production
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
• Actively remove N and P in agricultural (waste)waters
Adsorption on filters
- Drainage discharges (low N and P, discontinuous)
- Greenhouse effluent (high N and P, small volume)
- Surface water (low N and P, big volume)
Project goals
• Actively remove N and P in agricultural (waste)waters
• Recover P from filter materials and reuse it as fertilizer
Project goals
• Actively remove N and P in agricultural (waste)waters
• Recover P from filter materials and reuse it as fertilizer
• Advise to growers to lead to a better quality of surface water
• Measure the impact in 2 catchment areas in the NSR
• Provide implementation guidelines for the NSR
1/03/2017 – 30/09/2020 (= 42 months)
Project goals
Universities and research stations
6© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
• Production filtermaterial (DiaPure (P) and Zero valent iron (N))
• Modelling: impact filtersystems on ecosystem
• N and P-removal: lamel-filter (sediment + P) + cocoschips
• Database characteristics available P-filter materials• MBBR: N-removal• ICS: P-removal
• N-removal: follow up filter techniques drainage discharges in open field
• Production filter materials • Study of available filter materials
Practical research in agri- and horticulture
7© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
• Fieldtrials: open field and container
• Field demonstrations Dümmer-lake• P-filtersystems for drainage water of agriculture
=> Vulgarisation of knowledge to agri-and horticulture
• Filterinstallations (N en P- removal)
• Fieldtrials: azalea and nursery stock
Drinking water companies
8© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
• Drink water production De Blankaart (West-Flanders).
• Testing 3 filters with as filtermaterial: ICS and Vito A and Vito B
• Oldenburgische-Ostfriesische Wasserverband
• Drinkwaterproduction Nedersaksen
• Field demonstrations on the river Lethe
Selection of filtermaterials
Identification of suitable filter materials and filter configurations for the removal of P @ 3 concentration levels
High nutrient loaded waste streams: 25 mg PO4-P/L and - KU Leuven
Low nutrient loaded waste streams: 0.5 mg PO4-P/L - UGent
Medium nutrient loaded waste streams and discontinuous flows 5 mg PO4-P/L - VITO
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 9
Selection of filtermaterials
10© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
Adsorption capacity, price, availability, desorption-characteristics
Screening/selection of 11 filter materials → 4
FerroSorb Redmedite ICS LiDonit BaseLith Vito sorbent A
DiaPure Phoslock
• PO4-P solution: 0.5 ppm P
• Bed height: 14 cm corresponds with a bed volume of 150 mL
• Temperature: 20 °C, Flow rate: 0.66 L/24 h
• Downscale industrial filter application handling 4.4 m3 of water per day and per m3
filter material = slow filtration rate
• Materials: ICS, Diapure, Redmedite, BaseLith, LiDonit, Vito A, Vito B, LDH, FerroSorp
•
P-removal – column tests
• 0.5 ppm P: Breakthrough curves Breakthrough point is reached
Influent P concentratie
Effluent P concentratie
P-removal – column tests
40% N- removal
60% N-removal
N-removal from run off water (Denmark)
Field demonstrations: drainage water - DK
P-removal from drainage water (Denmark)
50% P- removal
Field demonstrations: drainage water - DK
P-removal from drainage water (Belgium)
90% P- removal
Field demonstrations: drainage water - BE
Collector
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Percolation reed bed (30 m²)
Storage pond (120 m³)Root zone reed bed (55
m²)
Time switches Flow meters
P filters (ICS) P filters (pellet) Disposal of filtered water (analysis)© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
Field demonstrations: greenhouse effluent- BE
OR
N-removal at PCS – Constructed wetland
17© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
40% N- removal
N-removal at PCS – MBBR (KUL)
18© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
P-removal at PCS – ICS grains and pellets
19© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
Pellets
ICS grains
95% P- removal
P-removal at PCS – ICS grains and pellets
20© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
0.0
5.0
10.0
15.0
20.0
25.0
Storage pondICS granulesPelletsP
(m
g/l
)
P-removal at floristry Meuninck
21© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
90% P- removal
NuReDrain Video: www.pcsierteelt.be
N en P-removal from greenhouse effluent (Belgium)
Field demonstrations: greenhouse effluent- BE
P-removal from buffer basin for drinking water production (Belgium)
Field demonstrations: drinking water production BE
P-removal form drainage water (Germany)
setup drainage filter system for field demonstrations
o exchange battery/ bottles: 7-10 dayso trafficability has to be ensured (field/bank)
drain: 1.00 -1.30 m below surface
filter height:min. 0.50 m
max. 0.25 m
+P -P
(P)P(P) P
(P)
P
P P
(P)
(P)gravel filterICS
coconut mat
Field demonstrations: drainage water - D
P-filter shaft: installation of pre-filter
Field demonstrations: drainage water - D
• North-Western Germany
• River length: 36.5 km
• Catchment area: 180 km²
• Sum fish pond area: 120 ha
• Area nature reserve: 465 ha
• No continuity between
Upper- and Lower-Lethe
2
a)
b)
Field demonstrations: river water - D
P- removal
Field demonstrations: river water
• Wood chips as C-source for denitrification
• Retention time around 8h
• Increasing efficiency with increasing N-
concentrations
- 60-80% NO3 removal
• 9-10 years until re-filling with wood chips
• Depth: 1.20m + 1.30m (depth of pre-existing
drainage pipes)
• Construction costs: 60,000€ for two plants
- One big and one small
- Area of big plant: 180m²
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Nitrate removal and Nitrogen recovery from Agricultural Drainage Water using a filter system
based on Zero-Valent Iron and Zeolite - DK
29© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
28/05/2018 13/06/2018 18/06/2018
17/07/2018 30/07/2018 03/08/2018
09/08/2018 13/08/2018 04/09/2018
P-recovery and re-use
P-recovery and re-use
30© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
• Start trial: 15/05/2018
• 30% ICS added – evaluation after 4 weeks (14/06/2018)
left without ICS – right with ICS
P-recovery and re-use
31© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018
• Evaluation at end of trial (16/07/2018)
left without ICS – right with ICS
Modeling of the impact of filter techniques
Doel: Impact of reduction measures on N and P losses in drained catchments
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Examples
% reductie
N 0 % 40 % 5 %
P 70 % 0 % 20 %
P-Filter CW Buffer strips
Overall reductionN: 20 %P: 35 %
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 33
Modeling of the Kemmelbeek
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 34
Impact of example:• P Filter Box
• Constructed wetlands
• Buffer strips
• Results of the P Filter Box and other measures will be upscaled to the Warnow basin
• Overall load reduction for N and P will be estimated at catchment scale
Modellering van de impactModeling of the impact of filter techniques
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 35
Targeted regulation of nitrogen in Denmark
implementation of measures to reduce drainage nutrient losses
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 36
Targeted regulation of nitrogen in Denmark
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 37
Targeted regulation of nitrogen in Denmark
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 38
Targeted regulation of nitrogen in Denmark
© Almeria | NuReDrain, Fertinnowa, 3-5 October 2018 39
Targeted regulation of nitrogen in Denmark
Met steun van
• Interreg North Sea Region
• Province of West-Flanders, East-Flanders and Antwerp
Sponsors
Visit our website www.pcsierteelt.beFollow PCS on LinkedIn proefcentrum-voor-sierteelt
Any questions?
E:els.pauwels@pcsierteelt.be
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