How H&H Group reduced leachate ammonia levels by 90% in 24 hours – and lowered the size and costs of their treatment plant. News How H&H Group reduced leachate ammonia levels by 90% in 24 hours – and lowered the size and costs of their treatment plant. High levels of ammonia in landfill leachate meant treatment was Read More How H&H Group reduced leachate ammonia levels by 90% in 24 hours – and lowered the size and costs of their treatment plant.nicholas@align.me2021-08-09T15:17:13+10:00