Efficient multi-dimensional carbon source and preparation method thereof

A multi-dimensional, carbon source technology, applied in chemical instruments and methods, water pollutants, water/sludge/sewage treatment, etc., can solve the problem of difficulty in further improving the TN effluent standard, and achieve the goal of inhibiting the activity of methanogens and reducing production. The effect of high air volume and COD concentration

CN113772814AActive Publication Date: 2021-12-10SHENZHEN SHENSHUI WATER RESOURCES CONSULTING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2021-12-10

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Abstract

The invention discloses an efficient multi-dimensional carbon source and a preparation method thereof and relates to the technical field of carbon sources. The efficient multi-dimensional carbon source is prepared from the following components in percentage by weight: 30%-50% of alcohol substances, 20%-30% of biomass digestive juice, 1%-10% of carbohydrates, 0.5% of polymethyl methacrylate and the balance of water. The preparation method of the high-efficiency multi-dimensional carbon source comprises the following steps: 1, measuring raw material formulas with corresponding mass fractions; 2, sequentially adding the biomass digestive juice, the alcohol substance, the carbohydrate, the water and the polymethyl methacrylate into a reactor, and uniformly performing mixing to obtain the efficient multi-dimensional carbon source. By adopting the technical scheme, by-products and wastes of various industries are used as raw materials to produce and compound the efficient multi-dimensional carbon source, so the efficient multi-dimensional carbon source plays a positive role in recycling the wastes and improving the denitrification effect of sewage treatment, and solves the problem that the TN effluent standard is difficult to further improve due to lower COD in the current sewage treatment process.
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Description

technical field

[0001] The invention relates to the technical field of carbon sources, in particular to an efficient multidimensional carbon source and a preparation method thereof. Background technique

[0002] The economy is developing day by day, people's living standards are improving day by day, and the amount of sewage discharge is also increasing day by day. However, due to the imperfect construction of the pipeline network and the low C / N of sewage, it is difficult for the denitrification effect of some sewage treatment plants to meet the new national standard. At the same time, as a policy vigorously promoted by the state, resource regeneration has gradually improved its status.

[0003] Studies have shown that for every 1 ton of biodiesel produced, 0.1t of by-product glycerin will be produced. According to reports, the global production of biodiesel has reached 29.1 million tons in 2015. Therefore, the resource utilization of crude glycerol, a by-product in the pro...

Examples

Embodiment 1

[0041] Embodiment 1: A high-efficiency multi-dimensional carbon source, consisting of the following components in weight percentage: 30% alcohols, 30% biomass digestion liquid, 10% sugars, 1% polymethacrylate ester, and the rest is water.

Embodiment 2

[0042] Embodiment 2: A high-efficiency multidimensional carbon source, consisting of the following components in weight percentage: 50% alcohols, 20% biomass digestion liquid, 1% carbohydrates, 0.5% polymethacrylate ester, and the rest is water.

Embodiment 3

[0043] Embodiment 3: A high-efficiency multidimensional carbon source, consisting of the following components in weight percentage: 40% alcohols, 25% biomass digestion liquid, 5.5% carbohydrates, 0.5% polymethacrylate ester, and the rest is water.

[0044] After putting the high-efficiency multi-dimensional carbon sources of the above three embodiments into sewage treatment, the following data are obtained:

[0045]

[0046] in conclusion:

[0047] 1. Low cost, fast reaction rate and high COD concentration. Among them, the raw material of the biomass digestion liquid is biomass waste, and the alcohols are by-products of biodiesel production, so the price is lower than that of chemical products such as sodium acetate.

[0048] 2. It contains more trace elements, nutrients and growth factors for the growth of microorganisms in the activated sludge process, meets the needs of metabolism, can enhance the activity of microorganisms, and increase the biomass in the reaction syste...