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Treatment of Timtek process water by co-composting and aqueous phytoremediation.

机译:通过共同堆肥和水性植物修复来处理Timtek工艺水。

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摘要

The Timtek process involves crushing of small diameter trees to form mats which are coated with adhesive then pressed into boards. Crushing yields an effluent water that has a high biological oxygen demand (BOD), chemical oxygen demand (COD), and total suspended solids (TSS). This water must be remediated before it can be discharged into water ways.;The objective of this study is to evaluate: (1) the co-composting potential for process waste water, scrim wood waste and poultry manure; and (2) the potential for phytoremediation of diluted process water using duckweed;The results showed that co-composting reduced the bulk and toxicity of both process waste water and wood waste. Plant growth studies showed the composted material is suitable for use as a soil amendment. The results of the phytoremediation study showed that the BOD of the water could be reduced, but levels were still too high for discharge in public waterways.
机译:Timtek工艺包括压碎小直径树木以形成垫子,该垫子上涂有粘合剂,然后压制成板。粉碎产生的废水具有很高的生物需氧量(BOD),化学需氧量(COD)和总悬浮固体(TSS)。该水必须经过修复后才能排放到水中。本研究的目的是评估:(1)工艺废水,稀松木废料和家禽粪便的共同堆肥潜力; (2)使用浮萍对稀释的工艺用水进行植物修复的潜力;结果表明,协同堆肥减少了工艺废水和木材废料的体积和毒性。植物生长研究表明,堆肥材料适合用作土壤改良剂。植物修复研究的结果表明,可以降低水的生化需氧量,但水平仍然太高,无法在公共水道中排放。

著录项

  • 作者

    Mangum, Lauren Heard.;

  • 作者单位

    Mississippi State University.;

  • 授予单位 Mississippi State University.;
  • 学科 Agriculture Wood Technology.;Engineering Environmental.
  • 学位 M.S.
  • 年度 2009
  • 页码 64 p.
  • 总页数 64
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 森林采运与利用;环境污染及其防治;
  • 关键词

  • 入库时间 2022-08-17 11:37:38

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