Artificial soil manufacturing method using purified water sewage sludge and pruning by-products

• Main Authors: JUNG HYO JIN, CHOI JAE JIN, YUN YOUNG BEOM, PARK SEOK GON
• Format: Patent
• Language: English; Korean
• Published: 15.07.2021
• Subjects: ADHESIVES; AGRICULTURE; ANIMAL HUSBANDRY; CHEMISTRY; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED; DYES; FISHING; FORESTRY; HORTICULTURE; HUMAN NECESSITIES; HUNTING; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES; TRAPPING; WATERING

The present invention relates to a method for manufacturing artificial soil using water purification/sewage sludge and pruning by-products. Disclosed are artificial soil, bed soil for landscaping, soil improvement materials, and planting base materials, which are suitable for tree growth and use water purification/sewage sludge and pruning by-products, and a manufacturing method thereof. According to the present invention, recycled artificial soil manufactured by using waste, such as water purification/sewage sludge, pruning products, and the like, realizes resource circulation by reusing the waste and has nutrients and physical properties suitable for tree growth. According to experimental results, chemical properties of artificial soil manufactured by using only waste were comparable to those of commercially available bed soil and physical properties of the same were evaluated as superior to evaluation criteria for landscape soil. In addition, growth was superior to that of a control group (bed soil, decomposed granite soil) in herbs and landscape tree cultivation experiments. Accordingly, the artificial soil is recycled artificial soil suitable for reducing waste treatment cost and planting trees for landscaping such as street trees and the like to reduce the waste treatment cost, thereby being as eco-friendly resource for soil, landscaping soil, soil improving materials, and planting base materials. 본 발명은 정수, 하수슬러지 및 전정부산물을 이용한 인공토양 제조방법에 관한 것으로, 수목 생장에 적합한 정수, 하수슬러지 및 전정부산물을 이용한 인공토양, 조경용 상토, 토양개량재, 식재기반재 및 이의 제조방법이 개시된다. 본 발명에 따르면, 정수·하수슬러지 및 전정부산물 등의 폐기물을 이용해 제조한 재활용 인공토양은 폐기물을 재사용하여 자원순환을 실현하며, 수목 생장에 적합한 양분과 물리성을 가지고 있다. 실험결과에 따르면, 폐기물만을 이용해 제조한 인공토양의 화학성은 시판되는 상토와 비슷한 수준이었으며, 물리성은 조경토양 평가기준 상급으로 평가되었다. 또한 초화류 및 조경수 재배 실험에서 대조구(상토, 마사토)에 비해 생장이 우수하게 나타났다. 따라서, 폐기물 처리비용 절감 및 가로수 등 조경용 수목 식재에 적합한 재활용 인공토양으로서, 폐기물의 처리비용을 절감하여 토양, 조경용 상토, 토양개량재 및 식재기반재에 친환경적인 자원으로 활용될 수 있다.