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Webb10 apr. 2024 · The remaining sludge gets recycled into fertilizer that’s used in nearly 20 states. But now that fertilizer is raising fresh concerns. That’s because wastewater treatment plants like Deer ... Webb13 apr. 2024 · Screw pump for transporting sludge Screw pump for dry, horizontal installation. Screw pump for transporting sludge (a mixture of wet sludge and excess compacted activated sludge with a density of up to 1100 kg/m3, temperature up to 30 °C and pH 6-8, with the presence of long-fiber materials tending to curl, winding (rags, long … how deep to plant gladiolus
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