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Innocuity method for treating disused stuffing material

A technology of harmless treatment and fibrous materials, applied in chemical instruments and methods, waste fuels, sustainable biological treatment, etc., can solve problems such as non-existence, secondary pollution, etc., and achieve the effect of simple methods

Inactive Publication Date: 2007-05-09
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the hollow fiber material becomes a waste filler after use and needs further treatment, otherwise it will cause secondary pollution
Currently, there is no research on this

Method used

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  • Innocuity method for treating disused stuffing material

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Effect test

Embodiment 1

[0013] As shown in Figure 1, a kind of harmless processing method of waste packing, it comprises the following steps: the waste packing after being used as biofilm reactor packing by the saponin-containing natural plant hollow fiber material is placed in anaerobic fermentation tank 3 In the process, fill the anaerobic fermentation tank with water until the waste filler 6 is submerged, keep the fermentation tank at 10°C, DO (dissolved oxygen) = 0, and stir at a low speed for 1 day (15 rpm, the stirring device consists of a low-speed stirring motor 1, a low-speed stirring impeller 2), the waste fillers are completely degraded to generate biogas (introduced into the gas production indicator piston 5 from the gas production conduit 4 to measure the gas production), water and residue. The degraded residue can be used as microbial organic fertilizer.

Embodiment 2

[0015] As shown in Figure 1, a kind of harmless processing method of waste packing, it comprises the following steps: the waste packing after being used as biofilm reactor packing by the saponin-containing natural plant hollow fiber material is placed in anaerobic fermentation tank 3 In the process, fill the anaerobic fermentation tank with water until the discarded filler 6 is submerged, keep the fermentation tank at 30°C, DO (dissolved oxygen) = 0, and stir at a low speed for 5 days (15 rpm, the stirring device consists of a low-speed stirring motor 1, a low-speed stirring impeller 2), the waste fillers are completely degraded to generate biogas (introduced into the gas production indicator piston 5 from the gas production conduit 4 to measure the gas production), water and residue. The degraded residue can be used as microbial organic fertilizer.

Embodiment 3

[0017] As shown in Figure 1, a kind of harmless treatment method of waste packing, it comprises the following steps: the waste packing after being used as biofilm reactor packing by the saponin-containing natural plant hollow fiber material is placed in anaerobic fermentation tank 3 In the process, fill the anaerobic fermentation tank with water until the waste filler 6 is submerged, keep the fermentation tank at 50°C, DO (dissolved oxygen) = 0, and stir at a low speed for 10 days (15 rpm, the stirring device consists of a low-speed stirring motor 1, a low-speed stirring impeller 2), the waste fillers are completely degraded to generate biogas (introduced into the gas production indicator piston 5 from the gas production conduit 4 to measure the gas production), water and residue. The degraded residue can be used as microbial organic fertilizer.

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Abstract

This invention relates to a harmless method for treating waste filler from hollow fibers of plants containing saponins used as biological membrane reactor filler. The method comprises: placing the waste filler into an anaerobic fermentation tank, adding water to immerse the waste filler, keeping the fermentation tank at 10-50 deg.C and DO of 0, and stirring at a low speed for 1-10 days to degrade the waste filler and obtain methane, water and residue. The method can degrade waste filler, prevent secondary pollution, and has simple process.

Description

technical field [0001] The invention relates to a harmless treatment method for waste fillers, in particular to a method for treating waste fillers after use by using saponin-containing plant hollow fibers as fillers for biofilm reactors. Background technique [0002] Currently known biofilm reactor fillers can be divided into inorganic filter materials and organic polymer filter materials. Common inorganic filter materials include ceramsite, coke, quartz sand, activated carbon, expanded aluminosilicate, etc., organic polymer filter materials There are polystyrene, polyvinyl chloride, polypropylene and so on. Organic polymer filter material is easy to age and fall off, easy to pollute, easy to block, and expensive, easy to form secondary pollution. Due to the high density, small specific surface area and small porosity of quartz sand in natural inorganic filter materials, when sewage flows through the filter layer, the resistance is large and the biomass is small, so it is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F7/00C05F11/08B09B3/00C02F3/10
CPCY02E50/343Y02A40/20Y02E50/30Y02W10/10Y02W30/40
Inventor 夏世斌张召基
Owner WUHAN UNIV OF TECH
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