SEM images of Fe-precipitates formed in the solutions with the loading volume percentage of 20% (a) and 70% (b).

<p>SEM images of Fe-precipitates formed in the solutions with the loading volume percentage of 20% (a) and 70% (b).</p

EDS analysis of Fe-precipitates formed at 48 h sealed and unsealed reaction solutions.

<p>EDS analysis of Fe-precipitates formed at 48 h sealed and unsealed reaction solutions.</p

Changes in the concentrations of DO, Fe²⁺, Fe³⁺, and Fe-precipitates during the jarosite formation process with reaction solution loading volume percentages ranging from 20% to 70% (■70% of loading volume, ○40% of loading volume, Δ20% of loading volume).

<p>Changes in the concentrations of DO, Fe²⁺, Fe³⁺, and Fe-precipitates during the jarosite formation process with reaction solution loading volume percentages ranging from 20% to 70% (■70% of loading volume, ○40% of loading volume, Δ20% of loading volume).</p

XRD patterns of Fe-precipitates formed at 48 h sealed (a) and unsealed reaction solutions (b).

<p>XRD patterns of Fe-precipitates formed at 48 h sealed (a) and unsealed reaction solutions (b).</p

MOESM1 of Toward facilitating microalgae cope with effluent from anaerobic digestion of kitchen waste: the art of agricultural phytohormones

Additional file 1: Table S1. Comparison of effluent from anaerobic digestion of different digester feedstocks. Table S2. Fatty acid levels (% of total FAME) in Chlorella SDEC-11 and Scenedesmus SDEC-13

Changes in the concentrations of DO, Fe²⁺, Fe³⁺, and Fe-precipitates during the jarosite formation process with limiting oxygen supply (■sealed at 0 h, Δsealed at 48 h, ○unsealed).

<p>Changes in the concentrations of DO, Fe²⁺, Fe³⁺, and Fe-precipitates during the jarosite formation process with limiting oxygen supply (■sealed at 0 h, Δsealed at 48 h, ○unsealed).</p