Comparison: ELODE+NVD vs Other Thermal Dryers


Subject : Carbon Emissions, Energy Consumption, and Sludge Disposal Costs

The comparison between sludge treatment costs and carbon emissions before and after implementing ELODE+NVD is straightforward. Below is an outline of the key benefits and data for reference. Additionally, we encourage you to review the provided conference papers on ELODE+NVD to gain deeper insights into its impact on carbon emissions, which can also be discussed with your clients.

Actual Performance Data

Plant Location

Wastewater Organic Public Sludge Treatment Plant, South Korea

Smallest Daily Treatment Capacity

Inlet: 15m³/hr @ 1.5% SS Organic Municipal Sludge

By implementing ELODE+NVD, significant improvements in sludge treatment efficiency and reductions in both energy consumption and carbon emissions can be achieved, making it an eco-friendly and cost-effective solution compared to other thermal dryers.

Index
Before ELODE+NVD
After ELODE+NVD
Application 1st stage Dewatering Mechanical machine
CENTRIFUGE Dewatering Machine
BELTPRESS
FILTERPRESS
SCREWPRESS
EODS-3000+NVD-3000*1set
Throughput15m³/hr @1.5%ss15m³/hr @1.5%ss15m³/hr @1.5%ss15m³/hr @1.5%ss15m³/hr @1.5%ss get 18%ds from 1st Mechanical Dewatering M/C → Inlet 1.25 ton/hr
Model and 1setKOWATS-360 DAKI-BFS-2000FB-500KOWATS-500SPEODS-3000+NVD-3000*
Electric consumption50kW15kW10kW5.5kW300kW
Dry Solid20%18%18%20%80%
CAKE Out Volume/year1.125 ton × 24 hr × 350 days
= 9,450 ton
1.25 ton × 24 hr × 350 days
= 10,500 ton
1.25 ton × 24 hr × 350 days
= 10,500 ton
1.125 ton × 24 hr × 350 days
= 9,450 ton
0.28 ton × 24 hr × 350 days
= 2,352 ton
① Sludge Disposal fee/ton.year$1,134,000$1,260,000$1,260,000$1,134,000$0
② CO2 Emission cost for generated when sludge is incinerated to get 80%ds (or using Thermal dryer)7,087,000 liter water × 0.98kW energy needs = 6,945,260 kW × 0.5kg = 3,472 ton CO₂ × $65
= $225,680
8,137,500 liter water × 0.98kW energy needs = 7,974,750 kW × 0.5kg = 3,987 ton CO₂ × $65
= $259,155
8,137,500 liter water × 0.98kW energy needs = 7,974,750 kW × 0.5kg = 3,987 ton CO₂ × $65
= $259,155
7,087,000 liter water × 0.98kW energy needs = 6,945,260 kW × 0.5kg = 3,472 ton CO₂ × $65
= $225,680
2,520,000 liter water × 0.98kW energy needs = 1,260 ton CO₂ × $65
= $65,520
③ Energy consumption cost to get 80%ds/year6,945,260 kW × $1.2
= $8,334,000
7,974,750 kW × $1.2
= $9,569,700
7,974,750 kW × $1.2
= $9,569,700
6,945,260 kW × $1.2
= $8,334,000
2,520,000 kW × $1.2 = $3,024,000
ELODE+NVD System: An Innovative Sludge Treatment Solution for Addressing the Climate Crisis

As climate change and carbon emissions emerge as urgent global issues, reducing carbon emissions and enhancing energy efficiency are more critical than ever. The ELODE+NVD system offers an optimized solution for sustainable sludge treatment, reducing carbon emissions significantly compared to traditional thermal drying methods.

Actual Performance Data

Guaranteed 10% Moisture Content

The ELODE+NVD system achieves a final moisture content of as low as 10%, making it suitable for effective sludge resource recovery. The low moisture content allows sludge to be repurposed without additional incineration, providing a more sustainable approach to sludge management.

Four Key Environmental Benefits: No E. coli, No Airborne Dust, No Secondary Pollution, No Additives

The ELODE+NVD system retains the intrinsic calorific (heat energy) value of the sludge, which is advantageous for repurposing it as fuel or fertilizer. This retained energy value enhances the efficiency and economic viability of sludge recycling.

Guaranteed Lowest Operational and Capital Costs

The ELODE+NVD system requires significantly lower operating (OPEX) and capital expenses (CAPEX) compared to thermal drying systems. This makes it a cost-effective choice that provides both economic and environmental advantages, ideal for addressing climate crisis needs.


Over 70% Reduction in CO₂ Emissions

Unlike thermal dryers, the ELODE+NVD system is powered primarily by electricity, reducing CO₂ emissions by more than 70% compared to traditional thermal drying methods. This significant reduction directly contributes to climate action goals.


Minimal Energy Consumption

The ELODE+NVD system consumes only 0.45 kWh per liter of water removed, significantly lowering energy consumption compared to traditional thermal drying. This low energy usage not only reduces operating expenses (OPEX) but also supports carbon neutrality by minimizing carbon emissions.


Preservation of Sludge Calorific Value

The ELODE+NVD system retains the intrinsic calorific (heat energy) value of the sludge, which is advantageous for repurposing it as fuel or fertilizer. This retained energy value enhances the efficiency and economic viability of sludge recycling.


Rapid Return on Investment

Due to its high-efficiency dewatering process, the ELODE+NVD system allows for full recovery of initial investment within 24 months. In markets like the U.S., Europe, and South Korea, the return on investment (ROI) is even faster, with increasing carbon credit costs further enhancing economic benefits.


Carbon Reduction Impact and Environmental Value

Aligned with global carbon neutrality goals, the ELODE+NVD system achieves up to 98% carbon reduction compared to thermal drying processes. Using the daily sludge output of 871 tons at Seoul’s Tancheon and Seonam wastewater treatment facilities as an example, the ELODE+NVD system can drastically reduce carbon emissions, making it an effective solution for tackling climate change.

98%

Carbon Emission Reduction

871TON

Daily Sludge Output (tons)

Carbon Emissions Calculation

CO₂ emissions for 1 kW of electricity

Approximately 0.5 kg of CO₂.

Tree planting offset

Approximately 0.1 pine tree per kW.

Carbon credit cost

Around 52 EUR per ton (2021 estimate).

Conclusion : The Ideal Choice for
Carbon Neutrality and Climate Action


If 80% moisture sludge is incinerated without prior drying, the costs and carbon emissions are significantly higher. High moisture sludge requires more energy to burn, producing secondary pollutants like dioxins and sulfur oxides, which add further environmental burdens. 


The ELODE+NVD system addresses these challenges as a high-efficiency, low-carbon solution that contributes to carbon neutrality goals. It uses less energy and emits fewer carbon emissions than thermal drying processes, while controlling secondary pollutants. As carbon credit prices rise, the ELODE+NVD system’s economic value will continue to increase, benefiting both the environment and users alike. 


This English version highlights the ELODE+NVD system's environmental benefits and effectiveness in reducing carbon emissions, tailored for a climate-conscious audience. Please let me know if you would like any adjustments!

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