Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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A Study on the Utilization of Industrial Solid Organic Wastes (I). The Physical and Chemical Characteristics of Industrial Solid Wastes with Regard to Fertilizer Value and Humus Sources

산업 고형유기폐물의 자원화에 관한 연구 (제1보) 산업 고형유기폐물의 비료와 Humus 원으로서의 물리적 및 화학적 특성에 관하여

  • Park Nae Joung (Departmento of Chemical Engineering, Hong Ik University) ;
  • Kim, Yong In (Departmento of Chemical Engineering, Hong Ik University)
  • 박내정 (홍익대학교 이공대학 화학공학과) ;
  • 김용인 (홍익대학교 이공대학 화학공학과)
  • Published : 1975.08.30
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Abstract

The physical and chemical characteristics of solid organic wastes from paper and pulp industries, tanneries, and food processing industries were studied with regard to fertilizer value as well as humus sources as a rational method of waste utilization. The pulp and paper mill wastes containing low mineral nutrients but high lignin may be utilized for soil amendments through humus preparation. Chemical treatment sludges of tannery wast water contained appreciable fertilizer nutrients andiliming materials, but utilization as fertilizers or soil amendments depends on the pollution effect of high chromium content, which has not been well understood. Food processing wastes may be utilized as organic fertilizers or micronutrient sources for plant. Some wastes containing high water-soluble sugars or lower C/N ratio than 20 may be utilized as additives for rapid humus preparation.

유기폐물을 다량으로 배출하는 산업중에서 대표적인 제지·펄프공업, 식품공업을 선택하여 고형유기폐물과 폐수처리오니의 합리적인 자원화 방법으로서 이들물질의 비료적 가치 및 humus원으로서의 개발가치를 중심으로 이들 물질의 물리적 및 화학적 특성을 조사한 결과이다. 제지${\cdot}$펄프공업 유기고형폐물은 비료성분이 적고 lignin 함량이 높아 비료로서 보다는 humus화하여 토양개량제로서 개발하는 것이 합리적이다. 제혁공업 폐수처리오니는 비료로서 효과도 기대되어 산성토양 개량효과도 기대되나 다량으로 함유한 Cr 으로 인해 오염효과가 문제가 된다. 식품공업의 고형 유기폐물 또는 폐수처리오니는 비료로서 또는 미량요소 공급원으로서 가치가 인정되며 수용성 당류의 량이 높거나 C/N율이 20이하로 낮은 물질은 속성 humus화를 위한 첨가 재료로서의 가치도 인정된다.

Keywords

References

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