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Laboratory effluent treatment device

A laboratory waste liquid and treatment device technology, which is applied in the field of pollution prevention and control devices, can solve the problems of difficult to effectively treat combustion tail gas and high processing costs, and achieve the effects of increasing waste liquid types, small footprint, and low engineering investment

Active Publication Date: 2015-02-25
YANGZHOU UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, this kind of treatment technology has problems such as high treatment cost and difficulty in effectively treating combustion exhaust gas.

Method used

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  • Laboratory effluent treatment device
  • Laboratory effluent treatment device
  • Laboratory effluent treatment device

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Experimental program
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Embodiment Construction

[0019] Such as Figure 1-3 As shown, the device includes a waste liquid classification storage tank, a redox reactor 7, a mixing tank 8, a pH adjustment tank, a micro-electrolysis reactor 11, a hydrolytic acidification reactor 15, a DN biological aerated filter 16, and a C / N aeration tank. Gas biofilter 17, inclined plate sedimentation tank, sludge concentration tank 18, multiple medicine storage boxes and chamber filter press 20; there are multiple waste liquid classification storage tanks, which are respectively waste acid liquid storage tank 1, organic waste Liquid storage tank 2, mercury-based waste liquid storage tank 3, hexavalent chromium waste liquid storage tank 4, heavy metal waste liquid storage tank 5 and cyanide-containing waste liquid storage tank 6; the medicine storage box includes a calcium hydroxide medicine storage box 22 , sodium hydroxide storage box 24, polyacrylamide storage box 29, polyaluminum chloride storage box 28, ferrous sulfate storage box 27, hy...

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Abstract

The invention relates to a laboratory effluent treatment device in the field of pollution prevention equipment. The effluent treatment device comprises a plurality of effluent classified storage tanks, a redox reactor, a mixing pond, a pH regulating tank, a microelectrolysis reactor, a hydrolytic acidification reactor, a DN biological aerated filter, a C / N biological aerated filter, a sloping panel settling pond, a sludge thickening pond, a plurality of reagent storage boxes and a chamber type filer press, wherein collected acid pickle is used as a regent of the treatment device to regulate the pH value; the effluent is classified and pretreated through the redox reactor, and then the pollutant in the water is further removed by using physico-chemical and biochemical treatment devices after the classified effluent is mixed, and then the water is discharged after achieving the standard; the sludge is treated by using the dehydrating device to form a mud cake and then is disposed by rule. The device can be used for treating high concentration laboratory effluent, the engineering investment is saved, the floor area is small, and the operation management is convenient. The COD, ammonia nitrogen, phosphorous and heavy metal can be effectively removed, and the average removal rate can achieve above 99.5%.

Description

technical field [0001] The invention relates to a pollution prevention device, in particular to a device for treating laboratory waste liquid. Background technique [0002] The laboratory waste liquid mainly comes from the experimental laboratories of various scientific research units and the scientific research and teaching laboratories of colleges and universities. Waste liquid can be divided into high-concentration laboratory waste liquid and low-concentration laboratory waste water according to the degree of pollution. The main components of high-concentration laboratory waste liquid are liquid invalid reagents (waste washing liquid, waste potassium cyanide, waste organic solvents, etc.), liquid experimental waste products or intermediate products (such as various organic solvents, centrifuges, liquid by-products etc.) and various washing liquids (high-concentration washing liquid of products or intermediate products, rinsing liquid of instruments or utensils and high-c...

Claims

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Application Information

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IPC IPC(8): C02F9/14
CPCC02F1/461C02F1/66C02F1/70C02F1/72C02F3/02C02F3/28C02F9/00C02F2103/003C02F2209/06C02F2209/40C02F2301/08
Inventor 张键周详何成达周俊李宜详李忠成
Owner YANGZHOU UNIV
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