Pioneers in Anaerobic Digestion System optimization

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Whether you need comprehensive analysis, tailored solutions, or ongoing support, Digester Doc is your first and only stop for achieving optimal results in anaerobic digestion.

A Step-By-Step Roadmap To Success

Using chemistry & biology to maximize your biogas system

As a full-service center for anaerobic digestion, we are positioned to identify industry needs and develop personalized solutions where those needs are unmet in current practice. This background has led to the development of several revolutionary services. From our full check-up of your anaerobic digestion system to our continual care optimization service.

Why Choose Us

Accurate

Accurate

Our state-of-the-art equipment and team of experts, ensures that every sample undergoes rigorous testing processes, guaranteeing unparalleled accuracy.

Thorough

Thorough

We excel in providing comprehensive reporting to our clients. Our meticulous attention to detail, ensures that each report is a thorough analysis that translates complex findings into actionable insights.

Transparent

Transparent

We believe in providing our clients with clear, comprehensive insights into every aspect of our process. From initial testing to ongoing monitoring, we ensure that all data is readily accessible and understandable.

Experts

Experts

We are your go-to experts for laboratory testing. With a wealth of experience and cutting-edge technology, we provide comprehensive analyses and insights to optimize your system's performance.

Individual Tests

Test

Sample Size

Liquid

Solid

TS; VS

Total Solids/Volatile Solids

Total solids are determined by measuring weight loss resulting from dehydrating the sample in an oven under controlled conditions. The percentage of weight remaining is reported as total solids.
 
  • The percentage of weight combusted is reported as volatile solids.

25mL

25g

TDS; TSS

Total Dissolved / Suspended Solids

Total Suspended Solids (TSS) are determined through a quick centrifugation of weighed sample, then the resulting supernatant is filtered through a filter paper into a Buchner funnel and subjected to vacuum suction filtration. the Total Dissolved Solids (TDS), the filtrate (filtered liquid) is poured onto a prepared aluminum pan and is dried in an oven overnight. The percentage of weight remaining is reported as the total dissolved solids.

15mL

pH

This test measures the pH of respective test samples to inquire optimal pH are within limits

25mL

VFA

Volatile Fatty Acids

Analysis and quantification in parts per million of volatile fatty acids based on calibrations of known standards.

50mL

BOD

Biological Oxygen Demand

 Measures the amount of dissolved oxygen that must be present in a solution for microorganisms to biochemically breakdown organic materials. BOD is used to measure the waste strength of the respective organic material in question.

300mL

COD

Chemical Oxygen Demand

 Dissolved oxygen that must be present in water to oxidize chemical organic materials; like petroleum. COD is used to gauge the short-term impact wastewater effluents will have on the oxygen levels of receiving waters

15mL

Alkalinity

 Determine the amount of weak acids and their conjugate bases to determine the buffering strength of samples

15mL

TOC w/TN/TC

Total Organic Carbon

50mL

50g

TN; TC

Total Nitrogen and Carbon

50mL

50g

Trace Elements

The samples are prepared by microwave digestion with nitric acid. Samples are analyzed by Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-OES) to identify and quantify elements in parts per million based on calibration curves of known standards.

5mL

5g

Ammonia (NH3)

This test measures the amount of ammonia (bacterial waste) within a sample.

15mL

Chloride

The released SCN generates brightly colored ferric thiocyanate in a concentration proportionate to the initial chloride concentration when ferric ions are present.

15mL

Sulfate

 To determine the amount of sulfate within a sample using a calibration curve created by known concentrations of sulfate

50mL

Phosphate

Identify a particular type of phosphorus by processing a sample that has already been pretreated and producing orthophosphate ion-specific reactions.

15mL

Conductivity

25mL

TON

15mL

TON w/ Nitrate & Nitrite

15mL

Salinity

25mL

Soluble Prep

50mL

Microscopy

50mL

50g

Viscosity

Determine how resistive to motion a sample is when subjected to a known force, also informally known as “thickness”

1L

Bulk Density

500mL

500g

BIOMETHANE POTENTIAL TESTS (BMP)​

A Biomethane Potential Test is a standardized laboratory test to determine the gas potential from a feedstock.

Test

Sample Size

Liquid

Solid

BMP - Standard

A BMP performed using primarily substrate to most accurately characterize digester feedstock.

2L

1kg

BMP - Academic

A traditional BMP, performed with mostly seed, and a small amount of substrate to provide an assumed BMP value. These studies are good when dealing with a substrate that is a partial feed to your AD system, and does not represent a significant feedstock.

1L

500g

BMP - Large Volume

This BMP is performed in 2 L vessels as opposed to 500 ml vessels that both our academic and Industry BMPs are done with.  This is typically for low solids wastewaters that are typical with lagoon digesters, or also with feedstocks that need to be heavily diluted to produce a stable biological system

Contact us for specifics

BMP - HSAD

This BMP is our newest product line, simulating a batch plug flow scenario, this HSAD process allows us to understand the biomehane potential in a high solids AD situation, typically for solids that are 30% to 50% solids.

Contact us for specifics

BMP - Chemical Adjustment

To ensure a sample can provide accurate BMP results; a minimum level of certain nutrients are required. This adjustment adds cobalt; nickel; selenium; molybdenum; and zinc to minimum required levels for BMP testing.
 
*Requires Trace Metals Analysis to determine current levels

2L

1kg

BMP testing must be scheduled in advance with our representatives to ensure timely and accurate results. Reach out to our team to get your BMP testing scheduled now!

Studies

Test

Sample Size

Liquid

Solid

Microbial Matrix

Study to understand biology of a feedstock. Sample will be processed for DNA speciation and categorized by function. This study can help to identify lacking species in the methanogenic process, as well as identifying preferred physical characteristics of existing species.
 
*Effluent sample required*

1L

1kg

H₂S Reductive Study

In-depth study to analyze influent and identify ways to reduce H2S production. Testing shall consist of a biological assay to determine microbial speciation and a nutrient panel to identify chemistry imbalances that lead to unhealthy bacterial populations. Results shall be cross-referenced against our microbial database to identify biochemistry adjustments that we believe will reduce H2S yields.
 
**Note: Digester Doc highly recommends trialing the results of this study prior to full-scale implementation.

5L

2.5kg

H₂S Predictive Analysis

An analytical testing and report based on calculations of specific Sulfate components in the feedstock that we than correlate with specific operating conditions and parameters of your proposed AD project to provide H2S levels at 15% COD conversion efficiency, 35% COD conversion efficiency and 65% COD conversion efficiency. This test allows our clients to predict the size and type of H2S treatments that they should employ. As part of this service we provide a high level estimate on what options are available and how they price out for your specific proposed application and needs

500mL

Optimization Study

A team of experienced digester professionals will assess the key digestive parameters of your anaerobic digester operations and prescribe solutions based on those assessments. This includes an in-depth review of operations; conducting a toxicity & nutrient deficiency screen (TND); performing a baseline BMP to determine current gas yields; a VFA analysis; and additional BMPs as needed to test identified corrective measures.Our optimization study is designed to provide the highest level of service for your digester operations. We offer a 100% money-back guarantee that our optimization study will result in at least a 20% improvement in biogas yields*.

20L

10kg

Valkyrie Analysis

500mL

Full Panel

A full analytical analysis to know how your digester is performing year over year. This study looks at all the various parameters of an AD biological system from a chemical perspective to provide an indepth view on the digester production efficiencies and were the biology may be struggling and what could be done to provide improved production.
 

Tests included: TS/VS, TDS/TSS, COD, BOD, Alkalinity Ammonia, Chloride, Phosphate, Sulfate, Trace Elements, TN, TC, TOC, VFA, Conductivity, and pH.

1L

1kg

Nutrient Panel

Al, As, Ba, B, Cd, Ca, Cr, Co, Cu, Fe, Pb, Mg, Mn, Mo, Ni, K, Se, Na, Zn, Ammonia, Alkalinity, TKN, Chloride, Phosphate, Sulphate, Total Solids

500mL

500g

Feedstock Evaluation

Studies to review feedstocks in a region that are suitable for AD applications

Test

Sample Size

Liquid

Solid

Start-up Test

Contact us for specifics

Advanced

Contact us for specifics

How to Order Our Services

Email

Ordering our services is as easy as shooting an email to our dedicated sales team. Simply reach out with your requirements, and our experts will guide you through the process seamlessly.

Call

Turning your organic waste into value is easier than ever. Simply pick up the phone and dial our dedicated sales team to kickstart your journey. Our experts are standing by, ready to tailor a solution that fits your unique needs.

Contact Form

Simply fill out our contact form to learn more or schedule a consultation at a time that suits you best. Let Digester Doc revolutionize the way you handle waste.

Get Your Quote!

Sit back and relax as we tailor a quote specifically to meet your unique needs. From start to finish, we're here to guide you through the process, ensuring a seamless experience every step of the way.

Helpful Resources

Whether you’ve already submitted a request to our dynamic sales team or you’re simply curious about how we can revolutionize your operations, we’ve got you covered. Dive into our treasure trove of resources designed to enlighten, empower, and elevate your understanding of what we do and how we can tailor our solutions to meet your needs.

Why trust Digester Doc with your Laboratory needs?

Experience

Experience

Our years as a trusted business means your system is in skillful hands. Our team knows how to tackle all digester challenges and disruptions so your system never has an off day.

Proven Results

Proven Results

Our expertise has persistently and successfully proven to significantly optimize diverse digester operations. From wastewater treatment plants to food waste and livestock AD facilities, our handcrafted solutions demonstrate a 30% average increase in production.

Knowledge

Knowledge

Chemistry and biology are the keys to unlocking your system's potential. This is our specialty. We have the knowledge and skills to keep your digester operating at peak efficiency and staying there.

Clarity

Clarity

We pride ourselves in offering results met with precision and efficiency so you have the clarity and peace of mind to know your digester will be operating without any hiccups along the way.
Play Video
At Digester Doc, we're not just a stop along the way, we're the definitive destination for correcting anaerobic digestion system inefficiencies and optimizing your facility's performance. With our unparalleled blend of full-service laboratory offerings and expert consultancy, we stand head and shoulders above the rest. Our commitment to innovative solutions, precise and timely results, and unwavering integrity is what sets us apart. Trust Digester Doc to not only diagnose the issues but to provide comprehensive solutions that propel your facility to peak performance.
Will Charlton
President | Digester Doc

Order Now for Seamless Stability and Maximum Results.

Lab Testing Inquiry

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Valkyrie Consultation

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Toxicity & Nutrient Deficiency Screen

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Sulfur Remediation Study

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Sulfur Remediation Study

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Foaming Remediation Study​

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Redefine your system's performance.